def fit_title2rec(self, titles, ID):
keys = [i + " " + t for t, i in zip(titles, ID)]
print('Fit title2rec...')
vectors = list(map(self.fasttext.wv.get_vector, titles))
self.t2r = WordEmbeddingsKeyedVectors(vector_size=100)
self.t2r.add(keys, vectors)
print('done.')
def song_based(self, mode='s2v', by='mean', keyedvector=True):
if mode == 's2v':
if not self.s2v:
print("Song2Vec not exist.\nRun make_s2v first.")
return
elif mode == 'd2v':
if not self.d2v:
print("Doc2Vec not exist.\nRun make_d2v first.")
return
else:
print("mode gets 's2v' or 'd2v'")
if not by in ['mean', 'sum']:
raise RuntimeError("'by' gets 'mean' or 'sum'")
ply_id = []
ply_vec = []
for p in tqdm(self.data):
if by == 'mean':
tmp = []
else:
tmp = 0
for song in p['songs']:
try:
if by == 'mean':
if mode == 's2v':
tmp.append(self.s2v.wv.get_vector(str(song)))
else:
tmp.append(self.d2v.wv.get_vector(str(song)))
else:
if mode == 's2v':
tmp += self.s2v.wv.get_vector(str(song))
else:
tmp += self.d2v.wv.get_vector(str(song))
except KeyError:
pass
if by == 'mean':
if tmp != []:
ply_id.append('(' + str(p['id']) + ') ' +
p['plylst_title'])
ply_vec.append(np.mean(tmp, axis=0))
else:
if type(tmp) != int:
ply_id.append('(' + str(p['id']) + ') ' +
p['plylst_title'])
ply_vec.append(tmp)
print("Original data length: ", len(self.data))
print("Embedded data length: ", len(ply_id))
if not keyedvector:
return ply_id, ply_vec
out = WordEmbeddingsKeyedVectors(vector_size=100)
out.add(ply_id, ply_vec)
return out
def __init__(self, FILE_PATH):
self.FILE_PATH = FILE_PATH
# word2vec의 요소들
# 최소 1번 이상 연관이 있어야 학습한다.
self.min_count = 2
# 의미를 담을 벡터를 150차원으로 만든다.
self.size = 150
# 중심단어 기준으로 앞뒤로 210개 범위까지 학습시킨다.
self.window = 210
# sg = 1이면 skip-gram 아니면 CBOW
self.sg = 1
# 키 + 벡터를 저장함
# KeyedVectors는 추가 교육을 지원하지 않는 대신 더 작고 RAM을 덜 차지한다.
self.p2v_model = WordEmbeddingsKeyedVectors(self.size)
# 유니코드 한글 시작: 44032, 끝:55199
self.BASE_CODE, self.CHOSUNG, self.JUNGSUNG = 44032, 588, 28
# 초성 리스트0~18
self.CHOSUNG_LIST = [
'ㄱ', 'ㄲ', 'ㄴ', 'ㄷ', 'ㄸ', 'ㄹ', 'ㅁ', 'ㅂ', 'ㅃ', 'ㅅ', 'ㅆ', 'ㅇ', 'ㅈ',
'ㅉ', 'ㅊ', 'ㅋ', 'ㅌ', 'ㅍ', 'ㅎ'
]
# 중성 리스트 0~20
self.JUNGSUNG_LIST = [
'ㅏ', 'ㅐ', 'ㅑ', 'ㅒ', 'ㅓ', 'ㅔ', 'ㅕ', 'ㅖ', 'ㅗ', 'ㅘ', 'ㅙ', 'ㅚ', 'ㅛ',
'ㅜ', 'ㅝ', 'ㅞ', 'ㅟ', 'ㅠ', 'ㅡ', 'ㅢ', 'ㅣ'
]
# 종성 리스트 0~27
self.JONGSUNG_LIST = [
'', 'ㄱ', 'ㄲ', 'ㄳ', 'ㄴ', 'ㄵ', 'ㄶ', 'ㄷ', 'ㄹ', 'ㄺ', 'ㄻ', 'ㄼ', 'ㄽ',
'ㄾ', 'ㄿ', 'ㅀ', 'ㅁ', 'ㅂ', 'ㅄ', 'ㅅ', 'ㅆ', 'ㅇ', 'ㅈ', 'ㅊ', 'ㅋ', 'ㅌ',
'ㅍ', 'ㅎ'
]
# 여기에 자모분리된 train의 플레이리스트 제목들이 담긴다.
self.title_list_detach = []
# FILE_PATH가 가리키는 곳에 train, test와 most_popular_res.json, song_meta.json이 있어야 합니다.
with open(FILE_PATH + '/train.json', encoding="utf-8") as f:
self.train = json.load(f)
self.train = random.sample(self.train, 30000)
with open(FILE_PATH + '/val2.json', encoding="utf-8") as f:
self.val = json.load(f)
with open(FILE_PATH + '/most_popular_res.json', encoding="utf-8") as f:
self.most_results = json.load(f)
# song_meta 데이터를 가져온다.
with open(FILE_PATH + '/song_meta.json', encoding="utf-8") as f:
self.song_meta = json.load(f)
def train(args):
# Output during training
logging.basicConfig(format='%(asctime)s : %(levelname)s : %(message)s',
level=logging.INFO)
# use text8 corpus as training data, haikus dont provide sufficient context
training_data = api.load('text8')
# use the phrase model to recognize bigrams like "White House" or "Climate Change"
bigram_model = Phrases(training_data)
# Export the trained model = use less RAM, faster processing. Model updates no longer possible.
bigrams = Phraser(bigram_model)
# # create and train model
model = Word2Vec(bigrams[training_data], size=args.embedding_dim)
word_list = list(model.wv.vocab.keys())
vector_list = [model[word] for word in word_list]
# the basic model doesnt seem to be supporting item assignment
# but WordEmbeddingsKeyedVectors does
kv = WordEmbeddingsKeyedVectors(args.embedding_dim)
kv.add(word_list, vector_list)
kv.add(["<eos>", "<n>", "<unk>"], np.random.rand(3, args.embedding_dim))
# just to be safe, clear the cache of normalized vectors
# as i had a similar issue as https://github.com/RaRe-Technologies/gensim/issues/2532
del kv.vectors_norm
# save the new models
bigrams.save(f"{args.model_path}/bigram.model")
kv.save(f"{args.model_path}/word2vec.model")
def to_keyed_vectors(self, embd_matrix, dim, delete_unknown=True):
"""
Transform to gensim's keyed vectors structure for further usage.
https://github.com/RaRe-Technologies/gensim/blob/develop/gensim/models/keyedvectors.py
"""
vectors = WordEmbeddingsKeyedVectors(vector_size=dim)
tokens = self.corpus.vocab.tokens
if delete_unknown:
# delete last row (for <UNK> token)
embd_matrix = np.delete(embd_matrix, (-1), axis=0)
else:
# the last token is the UNK token so append it
tokens.append("<UNK>")
vectors.add(tokens, embd_matrix)
return vectors
def item2vec(dataset,min_count=3,size=300,sg=5):
window = max(list(map(len,dataset)))
p2v_model = WordEmbeddingsKeyedVectors(size)
w2v_model = Word2Vec(dataset, min_count = min_count, size = size, window = window, sg = sg,seed=1025)
w2v_model.save('item2vec.model')
return w2v_model
def compute_similar_nn(early, later):
M_early = WordEmbeddingsKeyedVectors(300)
M_early.add(words, early.to_numpy())
M_later = WordEmbeddingsKeyedVectors(300)
M_later.add(words, later.to_numpy())
scores = list()
for word in words:
early_similar = get_similar_set(word, M_early)
later_similar = get_similar_set(word, M_later)
count = len(early_similar.intersection(later_similar))
scores.append(count)
return scores
def getRecos(liked, disliked, watched, threshold=1000):
liked = [str(l) for l in liked]
disliked = [str(l) for l in disliked]
watched = [str(w) for w in watched if str(
w) not in liked and str(w) not in disliked]
df_restr = df_movies[~df_movies["movieId"].isin(watched)].sort_values(
by="count", ascending=False)
kv = WordEmbeddingsKeyedVectors(movie_embedding_size)
kv.add(
df_restr['movieId'].apply(str).values,
w[df_restr.movieId]
)
idlist = [int(x[0])
for x in kv.most_similar(positive=liked, negative=disliked, restrict_vocab=4000, topn=12)]
return getAll(idlist=idlist)
def compute_scaled_average_sim(early, later):
M_early = WordEmbeddingsKeyedVectors(300)
M_early.add(words, early.to_numpy())
M_later = WordEmbeddingsKeyedVectors(300)
M_later.add(words, later.to_numpy())
scores = list()
for word in words:
score = 0
early_values = M_early.most_similar(word, topn=20)
later_values = M_later.most_similar(word, topn=20)
early_dict = {v[0]:v[1] for v in early_values}
later_dict = {v[0]:v[1] for v in later_values}
overlap = set([w for w in early_dict.keys() if w in later_dict])
early_avg = 0
later_avg = 0
for entry in overlap:
early_avg += early_dict[entry]
later_avg += later_dict[entry]
early_avg = early_avg / len(overlap) if len(overlap) else 0
later_avg = later_avg / len(overlap) if len(overlap) else 0
scores.append(len(overlap) + (1 - abs(later_avg - early_avg)))
return scores
def make_prediction(favofite_movie):
"""
Input:
feature_dict: a dictionary of the form {"feature_name": "value"}
Function makes sure the features are fed to the model in the same order the
model expects them.
Output:
Returns (x_inputs, probs) where
x_inputs: a list of feature values in the order they appear in the model
probs: a list of dictionaries with keys 'name', 'prob'
"""
movie = favofite_movie
threshold = 100
mainstream_movies = movies_df[
movies_df.n_ratings >= threshold].reset_index(drop=True)
movie_embedding_size = w.shape[1]
kv = WordEmbeddingsKeyedVectors(movie_embedding_size)
kv.add(mainstream_movies['key'].values, w[mainstream_movies.movieId])
results = kv.most_similar(movie)
return [result[0] for result in results]
def createKVs(DFFile, COFIle, type):
#createWordandVectorList() # to create word and vector list for wiki 50
# wordList - list of words
# vectorList - list of the vector corresponding to the words
wordListW2V, vectorListW2V = loadWordANdVectorsW2V()
wordListPCA, vectorListPCA = loadWordANdVectorsPCA(DFFile, COFIle)
w2v_len = 50
PCA_len = 10
kv1 = WordEmbeddingsKeyedVectors(w2v_len)
kv2 = WordEmbeddingsKeyedVectors(PCA_len)
kv1.add(wordListW2V, list(vectorListW2V))
kv2.add(wordListPCA, vectorListPCA)
filename = 'KV' + type + '.obj'
with open(filename, "wb") as f:
pickle.dump(kv1, f)
pickle.dump(kv2, f)
print(kv1.most_similar('love')) # gives the list of words similar to word1
return filename
def get_p2v_model(train, val, w2v_model):
p2v_model = WordEmbeddingsKeyedVectors(100)
ID = []
vec = []
data = pd.concat([train, val], axis=0)
for id_, songs, tags in zip(data['id'], data['songs'], data['tags']):
tmp_vec = 0
for token in songs + tags:
try:
tmp_vec += w2v_model.wv.get_vector(str(token))
except KeyError:
pass
if type(tmp_vec) != int:
ID.append(str(id_))
vec.append(tmp_vec)
p2v_model.add(ID, vec)
file_name = "./manual_emb/p2v_mdl_" + get_time() + ".model"
p2v_model.save(file_name)
return p2v_model
def main():
args = parse_args()
if not args.input.is_file():
raise FileNotFoundError('%r is not a file' % args.input)
if not args.outputdir.is_dir():
raise FileNotFoundError('%r is not a directory' % args.outputdir)
if args.outputname:
outfile = args.outputdir / args.outputname
else:
name = args.input.stem + '-small.pkl'
outfile = args.outputdir / name
kv = load_fasttext_embeddings(args.input)
vector_size = kv.vector_size
token_iter = chain.from_iterable(iterate_tokens(s) for s in args.splits)
words = list(set(token_iter)) + ["__UNK__", "__PAD__"]
embeddings = np.zeros((len(words), vector_size))
for row, word in tqdm.tqdm(enumerate(words)):
embeddings[row, :] = kv.word_vec(word)
new_kv = WordEmbeddingsKeyedVectors(vector_size)
new_kv.add(words, embeddings)
new_kv.save(str(outfile))
class PlaylistEmbedding:
# java의 생성자 같은 존재 __init__
def __init__(self, FILE_PATH):
self.FILE_PATH = FILE_PATH
# word2vec의 요소들
# 최소 1번 이상 연관이 있어야 학습한다.
self.min_count = 2
# 의미를 담을 벡터를 150차원으로 만든다.
self.size = 150
# 중심단어 기준으로 앞뒤로 210개 범위까지 학습시킨다.
self.window = 210
# sg = 1이면 skip-gram 아니면 CBOW
self.sg = 1
# 키 + 벡터를 저장함
# KeyedVectors는 추가 교육을 지원하지 않는 대신 더 작고 RAM을 덜 차지한다.
self.p2v_model = WordEmbeddingsKeyedVectors(self.size)
# 유니코드 한글 시작: 44032, 끝:55199
self.BASE_CODE, self.CHOSUNG, self.JUNGSUNG = 44032, 588, 28
# 초성 리스트0~18
self.CHOSUNG_LIST = [
'ㄱ', 'ㄲ', 'ㄴ', 'ㄷ', 'ㄸ', 'ㄹ', 'ㅁ', 'ㅂ', 'ㅃ', 'ㅅ', 'ㅆ', 'ㅇ', 'ㅈ',
'ㅉ', 'ㅊ', 'ㅋ', 'ㅌ', 'ㅍ', 'ㅎ'
]
# 중성 리스트 0~20
self.JUNGSUNG_LIST = [
'ㅏ', 'ㅐ', 'ㅑ', 'ㅒ', 'ㅓ', 'ㅔ', 'ㅕ', 'ㅖ', 'ㅗ', 'ㅘ', 'ㅙ', 'ㅚ', 'ㅛ',
'ㅜ', 'ㅝ', 'ㅞ', 'ㅟ', 'ㅠ', 'ㅡ', 'ㅢ', 'ㅣ'
]
# 종성 리스트 0~27
self.JONGSUNG_LIST = [
'', 'ㄱ', 'ㄲ', 'ㄳ', 'ㄴ', 'ㄵ', 'ㄶ', 'ㄷ', 'ㄹ', 'ㄺ', 'ㄻ', 'ㄼ', 'ㄽ',
'ㄾ', 'ㄿ', 'ㅀ', 'ㅁ', 'ㅂ', 'ㅄ', 'ㅅ', 'ㅆ', 'ㅇ', 'ㅈ', 'ㅊ', 'ㅋ', 'ㅌ',
'ㅍ', 'ㅎ'
]
# 여기에 자모분리된 train의 플레이리스트 제목들이 담긴다.
self.title_list_detach = []
# FILE_PATH가 가리키는 곳에 train, test와 most_popular_res.json, song_meta.json이 있어야 합니다.
with open(FILE_PATH + '/train.json', encoding="utf-8") as f:
self.train = json.load(f)
self.train = random.sample(self.train, 30000)
with open(FILE_PATH + '/val2.json', encoding="utf-8") as f:
self.val = json.load(f)
with open(FILE_PATH + '/most_popular_res.json', encoding="utf-8") as f:
self.most_results = json.load(f)
# song_meta 데이터를 가져온다.
with open(FILE_PATH + '/song_meta.json', encoding="utf-8") as f:
self.song_meta = json.load(f)
def write_json(self, data, fname):
def _conv(o):
if isinstance(o, (np.int64, np.int32)):
return int(o)
raise TypeError
parent = os.path.dirname(fname)
distutils.dir_util.mkpath(
"C:/Users/hwang in beom/Desktop/final/full/" + parent)
with io.open("C:/Users/hwang in beom/Desktop/final/full/" + fname,
"w",
encoding="utf-8") as f:
json_str = json.dumps(data, ensure_ascii=False, default=_conv)
f.write(json_str)
def remove_seen(self, seen, l):
seen = set(seen)
return [x for x in l if not (x in seen)]
# train, val의 곡과 태그를 플레이리스트 id를 key값으로 가지는 딕셔너리에 저장
def get_dic(self, train, val):
song_dic = {}
tag_dic = {}
data = train + val
for q in tqdm(data):
song_dic[str(q['id'])] = q['songs']
tag_dic[str(q['id'])] = q['tags']
print()
self.song_dic = song_dic
self.tag_dic = tag_dic
# 여기서 토탈로 train의 곡과 태그만 보내기 때문에 모델에는 train만 학습됨
total = list(
map(lambda x: list(map(str, x['songs'])) + list(x['tags']), data))
total = [x for x in total if len(x) > 1]
self.total = total
def get_w2v(self, total, min_count, size, window, sg):
try:
print("get_w2v 실행")
if not (os.path.isfile(
"C:/Users/hwang in beom/Desktop/final/full/w2v_model.model"
)):
print("get_w2v 모델 학습 시작")
# window가 210인 이유는 태그 10개와 곡 200개 꽉차있는 플레이리스트도 존재하기 때문이다. . iter는 반복횟수
w2v_model = Word2Vec(total,
min_count=min_count,
size=size,
window=window,
sg=sg,
iter=25)
print("get_w2v 모델 학습 완료")
self.w2v_model = w2v_model
w2v_model.save(
"C:/Users/hwang in beom/Desktop/final/full/w2v_model.model"
)
print("w2v_model 모델 로드")
self.w2v_model = Word2Vec.load(
"C:/Users/hwang in beom/Desktop/final/full/w2v_model.model")
except OSError as e:
print("failed to create directory!")
raise
def update_p2v(self, train, val, w2v_model):
ID = []
vec = []
# val에 있는 곡이나 태그들 중 train에는 없어서 예외처리되는 것을 확인하기 위한 카운트
# 이 부분은 나중에 제거해도 상관 없음
self.yes_songs_count = 0
self.yes_tags_count = 0
self.no_songs_count = 0
self.no_tags_count = 0
# 두개를 합치고
for q in tqdm(train + val):
tmp_vec = 0
songs_vec = 0
tags_vec = 0
# 둘다 1 이상일 때 확인
if len(q['songs']) >= 1 or len(q['tags']) >= 1:
# 노래를 가지고 for문을 돌리고
for x in q['songs']:
# word2vec 을 통해 백터를 가지고 온다. 이때 song의 x를 하나씩 넣어서 추가해주고 이것에 대한 개수를 센다
try:
songs_vec += w2v_model.wv.get_vector(str(x))
self.yes_songs_count += 1
except:
self.no_songs_count += 1
# song에 했던 것과 똑같이 한다.
for y in q['tags']:
try:
tags_vec += w2v_model.wv.get_vector(str(y))
self.yes_tags_count += 1
except:
self.no_tags_count += 1
# 2개를 더한다.
tmp_vec = songs_vec + tags_vec
# 만약에 타입이 int가 아니면 ID와 vec를 append 한다
if type(tmp_vec) != int:
ID.append(str(q['id']))
vec.append(tmp_vec)
# train, val의 플레이리스트 id에 해당하는 vector값을 구함
self.p2v_model.add(ID, vec)
# FastText
def get_title(self, train):
title_list = []
for q in train:
title_list.append(q['plylst_title'])
self.title_list = title_list
def jamo_str(self, text, BASE_CODE, CHOSUNG, JUNGSUNG, CHOSUNG_LIST,
JUNGSUNG_LIST, JONGSUNG_LIST):
# 데이터 정제
def clean_str(text):
pattern = '([a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+)' # E-mail제거
text = re.sub(pattern=pattern, repl='', string=text)
pattern = '(http|ftp|https)://(?:[-\w.]|(?:%[\da-fA-F]{2}))+' # URL제거
text = re.sub(pattern=pattern, repl='', string=text)
pattern = '([ㄱ-ㅎㅏ-ㅣ]+)' # 한글 자음, 모음 제거
text = re.sub(pattern=pattern, repl=' ', string=text)
pattern = '<[^>]*>' # HTML 태그 제거
text = re.sub(pattern=pattern, repl=' ', string=text)
pattern = '[^\w\s]' # 특수기호제거
text = re.sub(pattern=pattern, repl=' ', string=text)
return text
string = text
string = clean_str(string)
# print(string)
# 리스트로 형변환
sp_list = list(string)
# print(sp_list)
result = []
for keyword in sp_list:
# 한글 여부 check 후 분리 (keyword가 none이 아니면)
if re.match('.*[ㄱ-ㅎㅏ-ㅣ가-힣]+.*', keyword) is not None:
# 만약 keyword 가 ' '면 그냥 result에 넣는다.
if keyword == ' ':
result.append(' ')
# 키워드안에 초성리스트 , 중성리스트, 종성 리스트가 들어가면 '' 을 넣는다.
if keyword in CHOSUNG_LIST or keyword in JUNGSUNG_LIST or keyword in JONGSUNG_LIST:
result.append('')
else:
# 초성 ord->문자의 코드값을 구한다
# keyword의 아스키 코드값 - basecode를 뺀다.
char_code = ord(keyword) - BASE_CODE
# char_code - 초성
char1 = int(char_code / CHOSUNG)
# 초성 리스트에서 char1의 인덱스에 해당하는 값을 넣는다.
result.append(CHOSUNG_LIST[char1])
# 중성
char2 = int((char_code - (CHOSUNG * char1)) / JUNGSUNG)
result.append(JUNGSUNG_LIST[char2])
# 종성
char3 = int(
(char_code - (CHOSUNG * char1) - (JUNGSUNG * char2)))
if char3 == 0:
result.append('-')
result.append(JONGSUNG_LIST[char3])
# 아니면 그냥 넣는다.
else:
result.append(keyword)
results_all = []
# 리스트에서 문자열로 변환
results_all = ("".join(result))
# 저장
self.results_all = results_all
def get_title_list(self, results_all):
# print("".join(result)) #자모 분리 결과 출력?
title_list_detach = []
title_list_detach.append(results_all)
self.title_list_detach.append(title_list_detach)
def make_title_model(self, title_list_detach):
try:
print("make_title_model 실행")
if not (os.path.isfile(
"C:/Users/hwang in beom/Desktop/final/full/FT_title_model.model"
)):
print("make_title_model 모델 학습 시작")
FT_title_model = FT_gensim(title_list_detach,
size=300,
window=100,
min_count=1,
sg=1,
iter=2000)
print("make_title_model2 모델 학습 완료")
self.FT_title_model = FT_title_model
FT_title_model.save(
"C:/Users/hwang in beom/Desktop/final/full/FT_title_model.model"
)
self.FT_title_model = FT_gensim.load(
"C:/Users/hwang in beom/Desktop/final/full/FT_title_model.model"
)
print("make_title_model 모델 로드됨")
except OSError as e:
print("failed to create directory!")
raise
# Fasttext끝
def get_result(self, p2v_model, song_dic, tag_dic, most_results, val,
train, FT_title_model, song_meta):
title_sentence_train = []
# train에서 한글 정제 작업을 한다. 그때 plylst_title 부분을 한다.
for x in train:
self.jamo_str(x['plylst_title'], self.BASE_CODE, self.CHOSUNG,
self.JUNGSUNG, self.CHOSUNG_LIST, self.JUNGSUNG_LIST,
self.JONGSUNG_LIST)
# 위에꺼를 하면 results_all이 나오고 이 값을 title_sentence_train 넣는다.
title_sentence_train.append(self.results_all)
answers = []
# 제대로 진행되고 있는지 알기 위해 세는 카운트
# most_id는 제대로 뽑히고 있는가?
self.most_id = []
# ply_embedding 추천이 제대로된 플레이리스트는 몇개인가
self.p2v_count = 0
# 예외처리된 플레이리스트는 몇개인가
self.except_count = 0
# 어디서 끊기는지 정확히 알고 싶으면 옮기면서 카운트해보는 변수
self.when_stop = 0
# 문제유형별로 몇개의 플레이리스트가 있는 세는 카운트
self.TNSN = 0
self.TYSN = 0
self.TNSY = 0
self.TYSY = 0
# 곡이나 태그가 100, 10개 안채워졌을 때 채우는 카운트
self.update_song_count = 0
self.update_tag_count = 0
# tqdm으로 진행도를 나타내고 val의 개수 만큼 돌아가는데 enumerate를통해 몇번째 돌고 있는지를 n에 넣어서 보여준다.
for n, q in tqdm(enumerate(val), total=len(val)):
# 제목, 곡, 태그 유무 파악 및 개수 세기
songs = q['songs']
tags = q['tags']
songs_count = len(songs)
tags_count = len(tags)
try:
# 플레이리스트 임베딩하는 알고리즘(곡으로 곡추천할 때 씀)
def ply_em(q):
# test or val 값을 넣고 이제 id 값을 넣었을때 유사한 것들을 가져와 most_id에 넣는다.
most_id = [
x[0]
for x in p2v_model.most_similar(str(q['id']), topn=15)
]
# most_vec = [x[1] for x in p2v_model.most_similar(str(q['id']), topn=15)]
# 원본
get_song = []
get_tag = []
# most_id의 각각의 id 값을 song_dic 와 tag_dic에 넣어 노래와 태그를 얻는다.
for ID in most_id:
get_song += song_dic[ID]
get_tag += tag_dic[ID]
# 반복되는 노래에 대해 카운트를 추가하면서 카운트를 늘린다
count = {}
for i in get_song:
try:
count[i] += 1
except:
count[i] = 1
count = sorted(count.items(),
key=lambda x: x[1],
reverse=True)
# 반복되는 태그에 대해 카운트를 추가하면서 카운트를 늘린다
count2 = {}
for i in get_tag:
try:
count2[i] += 1
except:
count2[i] = 1
count2 = sorted(count2.items(),
key=lambda x: x[1],
reverse=True)
# 이거는 위에서 봤을때 몇번째 돌고 멈추는지 체크할 때 쓰는거 같았음
self.when_stop += 1
real_get_song = []
real_get_tag = []
for song in count:
real_get_song.append(song[0])
for tag in count2:
real_get_tag.append(tag[0])
# get_song = list(pd.value_counts(get_song)[:500].index)
# get_tag = list(pd.value_counts(get_tag)[:20].index)
def to_integer(dt_time):
return 10000 * dt_time.year + 100 * dt_time.month + dt_time.day
# 시간을 가지고 몰 하는거 같은데
utc_time = datetime.strptime(q['updt_date'][:26],
'%Y-%m-%d %H:%M:%S.%f')
updt = int(to_integer(utc_time))
true_get_song = []
# 위에서 얻은 real_get_song의 song_id를 하나씩 꺼내서
for song_id in real_get_song:
# songmeta의 song_id로 값을 찾은 뒤 issue_data를 꺼낸다.
issue = int(song_meta[song_id]['issue_date'])
# 여기서 업데이트 했던 내역 - issue를 했을때 값이 0보다 크면 넣고 적으면 안넣는다. 아마도 이상치 처리하는 듯
if updt - issue >= 0:
true_get_song.append(song_id)
else:
pass
answers.append({
"id":
q["id"],
"songs":
self.remove_seen(q["songs"], true_get_song)[:100],
"tags":
self.remove_seen(q["tags"], real_get_tag)[:10],
})
# 여기까지 오면 카운트 추가
self.p2v_count += 1
# FastText 알고리즘 (여기서는 곡 정보가 없을때 나머지 것들 이용했다.)
def fasttext_title(q):
train_ids = []
get_song = []
get_tag = []
# 한글정제 (자음모음)
self.jamo_str(q['plylst_title'], self.BASE_CODE,
self.CHOSUNG, self.JUNGSUNG,
self.CHOSUNG_LIST, self.JUNGSUNG_LIST,
self.JONGSUNG_LIST)
# 나온 값을 title에 저장
title = self.results_all
# FT_title_model이라는 것을 사용하는데 title을 넣고 가장 유사한 것들을 뽑아내는거 같음?
F_list = FT_title_model.wv.most_similar(title, topn=60)
# 여기서 나온 값들을 하나씩 뽑아내서
for x in F_list:
# title_sentence_train의 인덱스에서 F_list에서 뽑아낸 x의 [0]번째 값을 넣고 number라는 곳에 저장하고
number = title_sentence_train.index(x[0])
# train에 해당 인덱스에 id값을 빼서 train_ids에 넣는다.
train_ids.append(train[number]['id'])
# train ids의 하나하나 id 의 값을 빼서
for ids in train_ids:
# song_dic에서 해당 하는 id값을 찾아서 get_song을 만들고
get_song += song_dic[str(ids)]
# tag_dix에서 해당 하는 id값을 찾아서 get_tag에 넣는다.
get_tag += tag_dic[str(ids)]
# 여러번 나오는 값들에 +1을 계속하고 아닌 것들에 대해서는 1만 넣는다.
count = {}
for i in get_song:
try:
count[i] += 1
except:
count[i] = 1
# 이것을 sorted 해서 많이 나온 순서대로 정렬한다.
count = sorted(count.items(),
key=lambda x: x[1],
reverse=True)
# 태그또한 여러번 나오는 i에 대해 +1을 계속한다.
count2 = {}
for i in get_tag:
try:
count2[i] += 1
except:
count2[i] = 1
count2 = sorted(count2.items(),
key=lambda x: x[1],
reverse=True)
real_get_song = []
real_get_tag = []
# 노래에 대해 카운트한걸 하나씩 뽑아내서 그 값에 0번째 인덱스를 real_get_song에 추가한다.
for song in count:
real_get_song.append(song[0])
# 태그에 대해 카운트한걸 하나씩 뽑아내서 그 값에 0번째 인덱스를 real_get_tag 추가한다.
for tag in count2:
real_get_tag.append(tag[0])
# get_song = list(pd.value_counts(real_get_song)[:200].index)
# get_tag = list(pd.value_counts(real_get_tag)[:20].index)
# 예외처리하는 부분 현재 플레이 리스트를 만든 연도와 들어가는 노래의 연도를 비교하여 플레이 리스트가 더 앞에 있으면 해당 하는 노래를 뺀다.
def to_integer(dt_time):
return 10000 * dt_time.year + 100 * dt_time.month + dt_time.day
utc_time = datetime.strptime(q['updt_date'][:26],
'%Y-%m-%d %H:%M:%S.%f')
updt = int(to_integer(utc_time))
true_get_song = []
for song_id in real_get_song:
issue = int(song_meta[song_id]['issue_date'])
if updt - issue >= 0:
true_get_song.append(song_id)
else:
pass
answers.append({
"id":
q["id"],
"songs":
self.remove_seen(q["songs"], true_get_song)[:100],
"tags":
self.remove_seen(q["tags"], real_get_tag)[:10],
})
# 4가지 경우의 수로 나눠 예측을 하였다.곡 자체가 없을때는 fasttext_title 로 곡정보가 있을때는 ply_em 으로 하였다.
# 태그 X 곡 X 제목 O
if tags_count == 0 and songs_count == 0:
self.TNSN += 1
fasttext_title(q)
# 태그 O 곡 X 제목 X
elif tags_count > 0 and songs_count == 0:
self.TYSN += 1
fasttext_title(q)
# 태그 x 곡 O
elif tags_count == 0 and songs_count > 0:
self.TNSY += 1
ply_em(q)
# 태그 O 곡 O
elif tags_count > 0 and songs_count > 0:
self.TYSY += 1
ply_em(q)
except:
# 예외처리되면 카운터 추가
self.except_count += 1
answers.append({
"id": q["id"],
"songs": most_results[n]['songs'],
"tags": most_results[n]["tags"],
})
# check and update answer
for n, q in enumerate(answers):
if len(q['songs']) != 100:
answers[n]['songs'] += self.remove_seen(
q['songs'],
self.most_results[n]['songs'])[:100 - len(q['songs'])]
self.update_song_count += 1
if len(q['tags']) != 10:
answers[n]['tags'] += self.remove_seen(
q['tags'],
self.most_results[n]['tags'])[:10 - len(q['tags'])]
self.update_tag_count += 1
self.answers = answers
def run(self):
# Word2Vec ply_embedding - Word2Vec를 통해 플레이 리스트를 밀집으로 표현
# train, val의 곡과 태그를 플레이리스트 id를 key값으로 가지는 딕셔너리에 저장
self.get_dic(self.train, self.val)
# word2vec의 요소들을 넣어서 w2v를 실행함 - 옵션에 맞춰서 word2vec을 실행한다.
# total - train과 val 데이터를 합치고 그 합친것에서 곡과 태그를 빼내 하나의 리스트로 만들어준다.
# , min_count - 1번이상 연관이 있어야 학습, size - 의미를 담을 벡터를 150차원으로 만든다.?
# window - 중심단어 기준으로 앞뒤로 210개 범위까지 학습, sg - 1이면 skip-gram, 아니면 CBOW
# CBOW - 주변 단어들을 통해 중간의 단어를 예측하는 모델
# Skip-Gram 은 중심 단어를 통해 주변단어를 예측하는 모델
# 이 값을 word2vec에 넣고 model을 학습하고 저장한다. 그다음 이걸 로드해서 self에 저장해놓는다.
self.get_w2v(self.total, self.min_count, self.size, self.window,
self.sg)
# p2v_model 에 값을 추가하는 작업
self.update_p2v(self.train, self.val, self.w2v_model)
# FastText ply_title - facebook에서 제공해주는 것으로 play title을 생성
# train의 playlist title을 title_list라는 것에 저장한다 만든다.
self.get_title(self.train)
# title list와 초성,중성,종성등의 값을 넣고 데이터를 정제한다.
for string in self.title_list:
self.jamo_str(string, self.BASE_CODE, self.CHOSUNG, self.JUNGSUNG,
self.CHOSUNG_LIST, self.JUNGSUNG_LIST,
self.JONGSUNG_LIST)
# 위에꺼를 하면 results_all이 나오고 이 값을 title_list_detach에 넣는다.
self.get_title_list(self.results_all)
self.make_title_model(self.title_list_detach)
# 곡과 태그 채우는 함수
# WordEmbeddingsKeyedVectors / song_dic / tag_dic / most_popular_res 데이터 / val 데이터 / train 데이터 / FT_gensim 해서 나온 결과 / song_meta 넣기
self.get_result(self.p2v_model, self.song_dic, self.tag_dic,
self.most_results, self.val, self.train,
self.FT_title_model, self.song_meta)
# self.write_json(self.answers, '/content/drive/MyDrive/Colab Notebooks/final/test10/results2.json')
# self.write_json(self.answers, 'results50000.json')
print("results 작성 완료")
def train_model(self):
# Word2Vec ply_embedding
self.get_dic(self.train, self.val)
self.get_w2v(self.total, self.min_count, self.size, self.window,
self.sg)
self.update_p2v(self.train, self.val, self.w2v_model)
# FastText ply_title
self.get_title(self.train)
for string in self.title_list:
self.jamo_str(string, self.BASE_CODE, self.CHOSUNG, self.JUNGSUNG,
self.CHOSUNG_LIST, self.JUNGSUNG_LIST,
self.JONGSUNG_LIST)
self.get_title_list(self.results_all)
self.make_title_model(self.title_list_detach)
def run(song_meta_data, train_data, test_data):
train_data['updt_year'] = train_data['updt_date'].str.slice(start=0,
stop=4)
test_data['updt_year'] = test_data['updt_date'].str.slice(start=0, stop=4)
song_meta_data['issue_year'] = song_meta_data['issue_date'].str.slice(
start=0, stop=4)
song_meta_data['id'] = song_meta_data['id'].astype(str)
print("Tokenize...")
tokenize(train_data, test_data)
train_data = train_data.sort_values(by='updt_date').reset_index(drop=True)
test_data = test_data.sort_values(by='updt_date').reset_index(drop=True)
print("Total Dict Loading")
if os.path.exists(
BASE_DIR + 'model/total_data_final.pickle') and os.path.exists(
BASE_DIR + 'model/song_dict_final.pickle') and os.path.exists(
BASE_DIR +
'model/tag_dict_final.pickle') and os.path.exists(
BASE_DIR + 'model/title_dict_final.pickle'):
with open(BASE_DIR + 'model/total_data_final.pickle', 'rb') as handle:
total_data = pickle.load(handle)
with open(BASE_DIR + 'model/song_dict_final.pickle', 'rb') as handle:
song_dict = pickle.load(handle)
with open(BASE_DIR + 'model/tag_dict_final.pickle', 'rb') as handle:
tag_dict = pickle.load(handle)
with open(BASE_DIR + 'model/title_dict_final.pickle', 'rb') as handle:
title_dict = pickle.load(handle)
else:
print("Total Dict Not Existing... Calculating")
total_data, song_dict, tag_dict, title_dict = getTotalDict(
train_data, test_data)
with open(BASE_DIR + 'model/total_data_final.pickle', 'wb') as handle:
pickle.dump(total_data, handle, protocol=pickle.HIGHEST_PROTOCOL)
with open(BASE_DIR + 'model/song_dict_final.pickle', 'wb') as handle:
pickle.dump(song_dict, handle, protocol=pickle.HIGHEST_PROTOCOL)
with open(BASE_DIR + 'model/tag_dict_final.pickle', 'wb') as handle:
pickle.dump(tag_dict, handle, protocol=pickle.HIGHEST_PROTOCOL)
with open(BASE_DIR + 'model/title_dict_final.pickle', 'wb') as handle:
pickle.dump(title_dict, handle, protocol=pickle.HIGHEST_PROTOCOL)
print("Frequency Loading...")
if os.path.exists(BASE_DIR +
'model/tag_freq_by_song.pickle') and os.path.exists(
BASE_DIR + 'model/song_freq_by_tag.pickle'):
with open(BASE_DIR + 'model/tag_freq_by_song.pickle', 'rb') as handle:
tag_freq_by_song = pickle.load(handle)
with open(BASE_DIR + 'model/song_freq_by_tag.pickle', 'rb') as handle:
song_freq_by_tag = pickle.load(handle)
else:
print("Frequency Not Existing... Calculating")
tag_freq_by_song, song_freq_by_tag = getFreqDict(train_data)
with open(BASE_DIR + 'model/tag_freq_by_song.pickle', 'wb') as handle:
pickle.dump(tag_freq_by_song,
handle,
protocol=pickle.HIGHEST_PROTOCOL)
with open(BASE_DIR + 'model/song_freq_by_tag.pickle', 'wb') as handle:
pickle.dump(song_freq_by_tag,
handle,
protocol=pickle.HIGHEST_PROTOCOL)
print("Update Date Loading...")
if os.path.exists(BASE_DIR + 'model/updt_dict.pickle'):
with open(BASE_DIR + 'model/updt_dict.pickle', 'rb') as handle:
updt_dict = pickle.load(handle)
else:
print("Update Date Not Existing... Calculating")
updt_dict = getUpdtDict(song_meta_data)
with open(BASE_DIR + 'model/updt_dict.pickle', 'wb') as handle:
pickle.dump(updt_dict, handle, protocol=pickle.HIGHEST_PROTOCOL)
print("Song Popularity Loading...")
if os.path.exists(BASE_DIR +
'model/popular_song_by_year.pickle') and os.path.exists(
BASE_DIR + 'model/popular_tag_by_year.pickle'):
with open(BASE_DIR + 'model/popular_tag_by_year.pickle',
'rb') as handle:
popular_tag_by_year = pickle.load(handle)
with open(BASE_DIR + 'model/popular_song_by_year.pickle',
'rb') as handle:
popular_song_by_year = pickle.load(handle)
else:
print("Song Popularity Not Existing... Calculating")
popular_song_by_year, popular_tag_by_year = getPopularDict(train_data)
with open(BASE_DIR + 'model/popular_tag_by_year.pickle',
'wb') as handle:
pickle.dump(popular_tag_by_year,
handle,
protocol=pickle.HIGHEST_PROTOCOL)
with open(BASE_DIR + 'model/popular_song_by_year.pickle',
'wb') as handle:
pickle.dump(popular_song_by_year,
handle,
protocol=pickle.HIGHEST_PROTOCOL)
print("Word2Vec Model Loading...")
if os.path.exists(BASE_DIR + 'model/w2v_model_sg_title.model'):
w2v_model = Word2Vec.load(BASE_DIR + 'model/w2v_model_sg_title.model')
else:
print("Word2Vec Model Not Found !")
print("Training...")
w2v_model = Word2Vec(total_data,
min_count=3,
size=100,
window=210,
sg=1)
w2v_model.save(BASE_DIR + 'model/w2v_model_sg_title.model')
print("Training...")
p2v_model = WordEmbeddingsKeyedVectors(100)
updateP2V(train_data, test_data, w2v_model, p2v_model, song_dict, tag_dict,
title_dict)
print("Word2Vec Second Model Loading...")
if os.path.exists(BASE_DIR +
'model/w2v_tag_final.model') and os.path.exists(
BASE_DIR + 'model/w2v_song_final.model'):
tag_model = Word2Vec.load(BASE_DIR + 'model/w2v_tag_final.model')
song_model = Word2Vec.load(BASE_DIR + 'model/w2v_song_final.model')
mt = W2VModel(tag_model, "tags")
ms = W2VModel(song_model, "songs")
else:
print("Word2Vec Second Model Not Found !")
print("Tag Training...")
mt = W2VModel(pd.concat([train_data, test_data]), "tags")
mt.model.save(BASE_DIR + 'model/w2v_tag_final.model')
print("Song Training...")
ms = W2VModel(pd.concat([train_data, test_data]), "songs")
ms.model.save(BASE_DIR + 'model/w2v_song_final.model')
print("start")
answer = []
for i, row in tqdm(test_data.iterrows()):
year = str(row['updt_year'])
id = str(row['id'])
songs = []
tags = []
try:
most_id_list = [x[0] for x in p2v_model.most_similar(id, topn=200)]
fillAnswer(getItemById(most_id_list, song_dict, 200), songs, 100,
song_dict, id, updt_dict, year)
fillAnswer(getItemById(most_id_list, tag_dict, 20), tags, 10,
tag_dict, id)
except:
pass
if len(songs) < 100:
fillAnswer(ms.recommand(test_data, int(row['id']), 200), songs,
100, song_dict, id, updt_dict, year)
if len(tags) < 10:
fillAnswer(mt.recommand(test_data, int(row['id']), 20), tags, 10,
tag_dict, id)
if len(songs) < 100:
fillAnswer(getSongByTagFreq(song_freq_by_tag, row['tags'], 200),
songs, 100, song_dict, id, updt_dict, year)
if len(tags) < 10:
fillAnswer(getTagBySongFreq(tag_freq_by_song, row['songs'], 20),
tags, 10, tag_dict, id)
if len(songs) < 100:
fillAnswer(getSongByYear(popular_song_by_year, year, 200), songs,
100, song_dict, id, updt_dict, year)
if len(tags) < 10:
fillAnswer(getTagByYear(popular_tag_by_year, year, 20), tags, 10,
tag_dict, id)
if len(songs) < 100:
try:
fillAnswer(
getSongByYear(popular_song_by_year, str(int(year) - 1),
20), songs, 100, song_dict, id, updt_dict,
year)
except:
fillAnswer(
getSongByYear(popular_song_by_year, str(int(year) + 1),
200), songs, 100, song_dict, id, updt_dict,
year)
if len(tags) < 10:
try:
fillAnswer(
getTagByYear(popular_tag_by_year, str(int(year) - 1), 20),
tags, 10, tag_dict, id)
except:
fillAnswer(
getTagByYear(popular_tag_by_year, str(int(year) + 1), 200),
tags, 10, tag_dict, id)
if len(songs) < 100:
print("song 의 개수가 적습니다. id : ", str(row['id']), str(year))
if len(tags) < 10:
print("tag 의 개수가 적습니다. id : ", str(row['id']), str(year))
answer.append({"id": row["id"], "songs": songs, "tags": tags})
write_json(answer, "results.json")
weights = net.emb.weight.detach().cpu().numpy()
# embedding = WordEmbeddingsKeyedVectors(vector_size=300)
# for i, n in enumerate(word2index.keys()):
# embedding.add(entities=n, weights=net.word_embeddings(n).cpu().detach())
# if not i % 100:
# print(f'{i}, {n}')
#
# embedding.save(os.path.join(data_path, 'keyed_values.dir'))
# =====================================================================================
def analogy(x1, x2, y1):
result = embedding.most_similar(positive=[y1, x2], negative=[x1])
return result[0][0]
embedding = WordEmbeddingsKeyedVectors.load(os.path.join(data_path, 'keyed_values.dir'))
print(analogy('estimate', 'estimates', 'find'))
accuracy, result = embedding.evaluate_word_analogies(os.path.join(data_path, 'intrinsic_test.txt'))
print(accuracy)
for r in result:
correct_len = len(r['correct'])
incorrect_len = len(r['incorrect'])
print(f'{r["section"]}: {correct_len} / {(correct_len + incorrect_len)}')
# =====================================================================================
from gensim.test.utils import datapath
print(
(embedding.n_similarity(["king"], ["duke"]),
class Title2Rec:
def __init__(self):
super().__init__()
self.cluster_model = None
self.fasttext = None
self.t2r = None
self.good_tags = ['NNG', 'NNP', 'NNB', 'NP', 'NR',
'VA', 'MAG', 'SN', 'SL']
self.khaiii = KhaiiiApi()
## fit clustering
def fit_clustering(self, vectors,
n_clusters, verbose=0, max_iter=50):
self.cluster_model = KMeans(n_clusters=n_clusters, verbose=verbose,
max_iter=max_iter)
print("Data length: ", len(vectors))
print("Fit KMeans...")
self.cluster_model.fit(vectors)
print("done.")
## preprocess for clustering
def preprocess_clustering(self, titles, vectors, ID=True, khaiii=True, verbose=False):
## t: title / v: vectors / i : plylst id
if ID:
id_list = list(map(lambda x: x.split(' ')[0][1:-1], titles))
titles = list(map(lambda x: ' '.join(x.split(' ')[1:]), titles))
else:
id_list = list(range(len(titles)))
t_v = list(zip(titles, vectors, id_list))
stable = [(t, v, i) for t, v, i in t_v if re.findall('[가-힣a-zA-Z&]+', t) != []]
stable = [(' '.join(re.findall('[가-힣a-zA-Z&]+|90|80|70', t)), v, i) for t, v, i in stable]
stable = [(t, v, i) for t, v, i in stable if t != '']
## title morph analysis by Khaiii
def tag_process(title, khaiii, good_tags):
token = khaiii.analyze(title)
## join : space bar between list element
return ' '.join([morph.lex for to in token for morph in to.morphs if morph.tag in good_tags])
if khaiii:
if verbose:
stable = [(tag_process(t, self.khaiii, self.good_tags), v, i) for t, v, i in tqdm(stable)]
stable = [(t, v, i) for t, v, i in stable if t != '']
else:
stable = [(tag_process(t, self.khaiii, self.good_tags), v, i) for t, v, i in stable]
stable = [(t, v, i) for t, v, i in stable if t != '']
titles = [t for t, v, i in stable]
vectors = [v for t, v, i in stable]
id_list = [i for t, v, i in stable]
if verbose:
print("Original lenght: ", len(t_v))
print("Processed length: ", len(titles))
return titles, vectors, id_list
## cleansing text before Khaiii
@staticmethod
def text_process(titles, ID=True):
if ID:
titles = list(map(lambda x: ' '.join(x.split(' ')[1:]), titles))
stable = [x for x in titles if re.findall('[가-힣a-zA-Z&]+', x) != []]
stable = [' '.join(re.findall('[가-힣a-zA-Z&]+|90|80|70', x)) for x in stable]
stable = [x for x in stable if x != '']
print("Only hangul & alpha & and sign.")
print("Original lenght: ", len(titles))
print("Processed length: ", len(stable))
return stable
## predict cluster with cluster model, return clusters sorted by distance
def pre_fasttext(self, titles, vectors):
if not self.cluster_model:
raise RuntimeError("Please fit clustering model.")
cluster_out = self.cluster_model.predict(vectors)
transform = self.cluster_model.transform(vectors)
dist = [distance[cluster] for cluster, distance in zip(cluster_out, transform)]
data = pd.DataFrame({'title': titles,
'cluster': cluster_out,
'distance': dist})
return data.sort_values(['cluster', 'distance'])
## mk Fasttext model with cluster(500)
def fit_fasttext(self, data):
sentence = data.groupby('cluster')['title'].apply(list).tolist()
print("Fit fasttext...")
self.fasttext = FastText(sentence)
print('done.')
## mk title2rec model
def fit_title2rec(self, titles, ID):
keys = [i + " " + t for t, i in zip(titles, ID)]
print('Fit title2rec...')
vectors = list(map(self.fasttext.wv.get_vector, titles))
self.t2r = WordEmbeddingsKeyedVectors(vector_size=100)
self.t2r.add(keys, vectors)
print('done.')
## get title vectors from fasttext model ( most similar 10 - default)
def forward(self, titles, topn=10):
ft = list(map(self.fasttext.wv.get_vector, titles))
out = [self.t2r.wv.similar_by_vector(t, topn=topn) for t in ft]
return out
## load cluster model
def load_cluster(self, fname):
self.cluster_model = joblib.load(fname)
print("load complete")
## load fasttext model
def load_fasttext(self, path):
self.fasttext = gensim.models.FastText.load(path)
## load title to songs model
def load_t2r(self, path):
self.t2r = gensim.models.KeyedVectors.load(path)
def title2rec(self, ply, song_n, tag_n, song_const, tag_const, khaiii=True):
title, _, _ = self.preprocess_clustering([ply['plylst_title']], [None], ID=False, khaiii=khaiii, verbose=False)
if title == []:
if ply['tags'] != []:
return ply['songs'], ply['tags'], 1, 0
else:
return ply['songs'], ply['tags'], 1, 1
title = title[0]
similars = self.forward([title], topn=200)[0]
ID = [int(sim[0].split(" ")[0]) for sim in similars]
similar = [sim[1] for sim in similars]
tmp_df = pd.DataFrame({'id':ID, 'similar':similar})
tmp_df = pd.merge(tmp_df, train_df[['id', 'songs', 'tags']], how='left', on='id')
tmp_df['song_len'] = tmp_df['songs'].apply(len)
tmp_df['song_len'] = tmp_df['song_len'].cumsum().shift(1).fillna(0)
song_df = tmp_df[tmp_df['song_len'] < 2000]
score_dict = {}
for sim, songs in zip(song_df['similar'], song_df['songs']):
for i, song in enumerate(songs):
score = (-math.log(i+1, 2) + song_const) * sim
try:
score_dict[song] += score
except KeyError:
score_dict[song] = score
pick = sorted(score_dict.items(), key=lambda x: x[1], reverse=True)
pick = [p[0] for p in pick]
song_res = pick[:song_n]
# date = pd.to_datetime(ply['updt_date'])
# pick = [p for p in pick if song_date[p] <= date]
# song_res = pick[:song_n]
if len(song_res) < song_n:
song_df = tmp_df[tmp_df['song_len'] >= 2000]
for sim, songs in zip(song_df['similar'], song_df['songs']):
for i, song in enumerate(songs):
score = (-math.log(i+1, 2) + song_const) * sim
try:
score_dict[song] += score
except KeyError:
score_dict[song] = score
pick = sorted(score_dict.items(), key=lambda x: x[1], reverse=True)
pick = [p[0] for p in pick]
# pick = [p for p in pick if song_date[p] <= date]
song_res = pick[:song_n]
# assert len(song_res) == song_n
# song_res = [p[0] for p in pick]
if ply['tags'] != []:
return song_res, ply['tags'], 1, 0
tmp_df['tag_len'] = tmp_df['tags'].apply(len)
tmp_df['tag_len'] = tmp_df['tag_len'].cumsum().shift(1).fillna(0)
tag_df = tmp_df[tmp_df['tag_len'] < 150]
score_dict = {}
for sim, tags in zip(tag_df['similar'], tag_df['tags']):
for i, tag in enumerate(tags):
score = (-math.log(i+1, 2) + tag_const) * sim
try:
score_dict[tag] += score
except KeyError:
score_dict[tag] = score
pick = sorted(score_dict.items(), key=lambda x: x[1], reverse=True)[:tag_n]
tag_res = [p[0] for p in pick]
return song_res, tag_res, 1, 1
if __name__ == "__main__":
_, words, freq = extract_words(5000)
_, _, finder = build_word_context_model(words)
M1_plus = compute_ppmi(finder, words)
M2_10 = apply_pca(M1_plus, 10, words)
M2_100 = apply_pca(M1_plus, 100, words)
M2_300 = apply_pca(M1_plus, 300, words)
W2V = KeyedVectors.load_word2vec_format(
'./GoogleNews-vectors-negative300.bin', binary=True)
SM2_300 = evaluate_cosine(M2_300)
print("pca_300 correlation {}".format(calc_pearson(SM2_300)[0]))
SW2V = evaluate_cosine(W2V, False)
print("word2vec correlation {}".format(calc_pearson(SW2V)[0]))
SM_keyed = WordEmbeddingsKeyedVectors(300)
SM_keyed.add(words, M2_300.to_numpy())
M10_keyed = WordEmbeddingsKeyedVectors(10)
M10_keyed.add(words, M2_10.to_numpy())
M100_keyed = WordEmbeddingsKeyedVectors(100)
M100_keyed.add(words, M2_100.to_numpy())
tests = [(W2V, './word-test.v1.txt'), (W2V, './filtered-test.txt'),
(M10_keyed, './word-test.v1.txt'),
(M10_keyed, './filtered-test.txt'),
(M100_keyed, './word-test.v1.txt'),
(M100_keyed, './filtered-test.txt'),
(SM_keyed, './word-test.v1.txt'),
(SM_keyed, './filtered-test.txt')]
def infer(MODE="Test"):
mode_opt = {
"Valid": {
"train_path": "arena_data/orig/train.json",
"test_path": "arena_data/questions/val.json",
"results_path": "cf2/val/results.json",
"eval": True
},
"Dev": {
"train_path": "res/train.json",
"test_path": "res/val.json",
"results_path": "cf2/dev/results.json",
"eval": False
},
"Test": {
"train_path": "res/train.json",
"test_path": "res/test.json",
"results_path": "cf2/test/results.json",
"eval": False
}
}
opt = mode_opt[MODE]
train = pd.read_json(opt["train_path"])
test = pd.read_json(opt["test_path"])
if MODE != "Dev":
dev = pd.read_json("res/val.json")
if MODE != "Test":
test_res = pd.read_json("res/test.json")
print("Preprocessing dates")
test_date = {}
for i in tqdm(test.index):
test_date[test.at[i, 'id']] = test.at[i, 'updt_date']
song_meta = pd.read_json("res/song_meta.json")
song_date = {}
for i in tqdm(song_meta.index):
song_date[song_meta.at[i, "id"]] = str(song_meta.at[i, "issue_date"])
del song_meta
song_update_date = []
for i in train.index:
updt_date = train.loc[i, 'updt_date'][:4] + train.loc[
i, 'updt_date'][5:7] + train.loc[i, 'updt_date'][8:10]
for t in train.loc[i, 'songs']:
if song_date[t] > updt_date:
song_date[t] = updt_date
song_update_date.append(t)
for i in test.index:
updt_date = test.loc[i, 'updt_date'][:4] + test.loc[
i, 'updt_date'][5:7] + test.loc[i, 'updt_date'][8:10]
for t in test.loc[i, 'songs']:
if song_date[t] > updt_date:
song_date[t] = updt_date
song_update_date.append(t)
if MODE != "Dev":
for i in dev.index:
updt_date = dev.loc[i, 'updt_date'][:4] + dev.loc[
i, 'updt_date'][5:7] + dev.loc[i, 'updt_date'][8:10]
for t in dev.loc[i, 'songs']:
if song_date[t] > updt_date:
song_date[t] = updt_date
song_update_date.append(t)
if MODE != "Test":
for i in test_res.index:
updt_date = test_res.loc[i, 'updt_date'][:4] + test_res.loc[
i, 'updt_date'][5:7] + test_res.loc[i, 'updt_date'][8:10]
for t in test_res.loc[i, 'songs']:
if song_date[t] > updt_date:
song_date[t] = updt_date
song_update_date.append(t)
print("The number of processed songs :", len(set(song_update_date)))
# Loading tags extracted from tiltle
pred_tag = load_json("arena_data/model/pred_tag.json")
dic_pred_tag = {}
for p_t in pred_tag:
dic_pred_tag[p_t['id']] = p_t['predict_tag']
train['tags_org'] = train['tags']
for i in train.index:
train.at[i,
'tags'] = train.at[i, 'tags'] + dic_pred_tag[train.at[i,
'id']]
test['tags_org'] = test['tags']
for i in test.index:
test.at[i,
'tags'] = test.at[i, 'tags'] + dic_pred_tag[test.at[i, 'id']]
if MODE != "Dev":
dev['tags_org'] = dev['tags']
for i in dev.index:
dev.at[i,
'tags'] = dev.at[i, 'tags'] + dic_pred_tag[dev.at[i, 'id']]
if MODE != "Test":
test_res['tags_org'] = test_res['tags']
for i in test_res.index:
test_res.at[i, 'tags'] = test_res.at[i, 'tags'] + dic_pred_tag[
test_res.at[i, 'id']]
# Calculating IDF
inv_doc_freq = {}
for d in train['songs'] + train['tags']:
for i in d:
if i in inv_doc_freq:
inv_doc_freq[i] += 1
else:
inv_doc_freq[i] = 1
for d in test['songs'] + test['tags']:
for i in d:
if i in inv_doc_freq:
inv_doc_freq[i] += 1
else:
inv_doc_freq[i] = 1
if MODE != "Dev":
for d in dev['songs'] + dev['tags']:
for i in d:
if i in inv_doc_freq:
inv_doc_freq[i] += 1
else:
inv_doc_freq[i] = 1
if MODE != "Test":
for d in test_res['songs'] + test_res['tags']:
for i in d:
if i in inv_doc_freq:
inv_doc_freq[i] += 1
else:
inv_doc_freq[i] = 1
for k in inv_doc_freq:
if MODE == "Valid":
inv_doc_freq[k] = math.log10(
(len(train) + len(test) + len(dev) + len(test_res)) /
inv_doc_freq[k])
elif MODE == "Dev":
inv_doc_freq[k] = math.log10(
(len(train) + len(test) + len(test_res)) / inv_doc_freq[k])
else:
inv_doc_freq[k] = math.log10(
(len(train) + len(test) + len(dev)) / inv_doc_freq[k])
# Preprocessing data for CF matrix
if MODE == "Valid":
n_train = len(train) + len(dev) + len(test_res)
elif MODE == "Dev":
n_train = len(train) + len(test_res)
else:
n_train = len(train) + len(dev)
n_test = len(test)
# train + test
if MODE == "Valid":
plylst = pd.concat([train, dev, test_res, test], ignore_index=True)
elif MODE == "Dev":
plylst = pd.concat([train, test_res, test], ignore_index=True)
else:
plylst = pd.concat([train, dev, test], ignore_index=True)
# playlist id
plylst["nid"] = range(n_train + n_test)
# nid -> id
plylst_nid_id = dict(zip(plylst["nid"], plylst["id"]))
plylst_tag = plylst['tags']
tag_counter = Counter([tg for tgs in plylst_tag for tg in tgs])
tag_dict = {x: tag_counter[x] for x in tag_counter}
id_type = dict()
tag_id_tid = dict()
tag_tid_id = dict()
for i, t in enumerate(tag_dict):
tag_id_tid[t] = i
tag_tid_id[i] = t
id_type[t] = 1
n_tags = len(tag_dict)
plylst_song = plylst['songs']
song_counter = Counter([sg for sgs in plylst_song for sg in sgs])
song_dict = {x: song_counter[x] for x in song_counter}
song_id_sid = dict()
song_sid_id = dict()
for i, t in enumerate(song_dict):
song_id_sid[t] = i
song_sid_id[i] = t
id_type[t] = 1
n_songs = len(song_dict)
plylst_st = plylst['songs'] + plylst['tags']
st_counter = Counter([st for sts in plylst_st for st in sts])
st_dict = {x: st_counter[x] for x in st_counter}
st_id_tid = dict()
st_tid_id = dict()
for i, t in enumerate(st_dict):
st_id_tid[t] = i
st_tid_id[i] = t
n_sts = len(st_dict)
print("Tags : ", n_tags, ", Songs : ", n_songs, ", Total : ", n_sts)
plylst['songs_id'] = plylst['songs'].map(
lambda x:
[song_id_sid.get(s) for s in x if song_id_sid.get(s) != None])
plylst['tags_id'] = plylst['tags_org'].map(
lambda x: [tag_id_tid.get(t) for t in x if tag_id_tid.get(t) != None])
plylst['sts_id'] = (plylst['songs'] + plylst['tags']).map(
lambda x: [st_id_tid.get(st) for st in x if st_id_tid.get(st) != None])
plylst_use = plylst[['nid', 'updt_date', 'songs_id', 'tags_id', 'sts_id']]
plylst_use.loc[:, 'num_songs'] = plylst_use['songs_id'].map(len)
plylst_use.loc[:, 'num_tags'] = plylst_use['tags_id'].map(len)
plylst_use.loc[:, 'num_sts'] = plylst_use['sts_id'].map(len)
plylst_use = plylst_use.set_index('nid')
plylst_train = plylst_use.iloc[:, :]
plylst_test = plylst_use.iloc[n_train:, :]
n_train = len(plylst_train)
np.random.seed(33)
test_set = plylst_test
print("The number of test samples : ", len(test_set))
# Building CF matrices
avg_len_songs = 0
for songs in plylst_train['songs_id']:
avg_len_songs += len(songs)
avg_len_songs /= len(plylst_train['songs_id'])
avg_len_tags = 0
for tags in plylst_train['tags_id']:
avg_len_tags += len(tags)
avg_len_tags /= len(plylst_train['tags_id'])
avg_len_sts = 0
for sts in plylst_train['sts_id']:
avg_len_sts += len(sts)
avg_len_sts /= len(plylst_train['sts_id'])
row = np.repeat(range(n_train), plylst_train['num_songs'])
col = [song for songs in plylst_train['songs_id'] for song in songs]
dat = [1 for songs in plylst_train['songs_id'] for song in songs]
train_songs_A = spr.csr_matrix((dat, (row, col)), shape=(n_train, n_songs))
row = np.repeat(range(n_train), plylst_train['num_tags'])
col = [tag for tags in plylst_train['tags_id'] for tag in tags]
dat = [1 for tags in plylst_train['tags_id'] for tag in tags]
train_tags_A = spr.csr_matrix((dat, (row, col)), shape=(n_train, n_tags))
row = np.repeat(range(n_train), plylst_train['num_sts'])
col = [st for sts in plylst_train['sts_id'] for st in sts]
dat = [
inv_doc_freq[st_tid_id[st]] / (len(sts) + 50)
for sts in plylst_train['sts_id'] for st in sts
]
train_sts_A = spr.csr_matrix((dat, (row, col)), shape=(n_train, n_sts))
train_songs_A_T = train_songs_A.T.tocsr()
train_tags_A_T = train_tags_A.T.tocsr()
# Building map playlist id to songs or tags for playlist2vec
if MODE == "Valid":
p2v_targets = [train, test, dev, test_res]
elif MODE == "Dev":
p2v_targets = [train, test, test_res]
else:
p2v_targets = [train, test, dev]
song_dic = {}
tag_dic = {}
for i, q in tqdm(pd.concat(p2v_targets).iterrows()):
song_dic[str(q['id'])] = q['songs']
tag_dic[str(q['id'])] = q['tags_org']
# Loading playlist embedding vectors
p2v_song = WordEmbeddingsKeyedVectors.load(
"arena_data/model/p2v_song.model")
p2v_tag = WordEmbeddingsKeyedVectors.load("arena_data/model/p2v_tag.model")
print("Predicting")
res = []
filtered_lot_song = []
filtered_lot_tag = []
for pid in tqdm(test_set.index):
songs_already = test_set.loc[pid, "songs_id"]
tags_already = test_set.loc[pid, "tags_id"]
# Song prediction - 1. Query vector to predict songs
p = np.zeros((n_sts, 1))
if len(test_set.loc[pid, 'sts_id']) > 0:
for st in test_set.loc[pid, 'sts_id']:
if st_tid_id[st] in inv_doc_freq:
p[st] = inv_doc_freq[st_tid_id[st]] / (
len(test_set.loc[pid, 'sts_id']) + 50)
# Song prediction - 2. K-nn playlists
val = train_sts_A.dot(p).reshape(-1)
val_idx = val.reshape(-1).argsort()[-250:][::-1]
val_knn = np.zeros((n_train))
val_knn[val_idx] = val[val_idx]
val = val_knn**2
# Song prediction - 3. Candidates
cand_song = train_songs_A_T.dot(val)
# Song prediction - 4. Rescoring using playlist2vec
dic_song_score = {}
if str(plylst_nid_id[pid]) in p2v_song.wv.vocab:
most_id = [
x for x in p2v_song.most_similar(str(plylst_nid_id[pid]),
topn=50)
]
for ID in most_id:
for s in song_dic[ID[0]]:
if s in dic_song_score:
dic_song_score[s] += ID[1]
else:
dic_song_score[s] = ID[1]
for k in dic_song_score:
cand_song[song_id_sid[k]] *= dic_song_score[k]**0.2
cand_song_idx = cand_song.reshape(-1).argsort()[-5000:][::-1]
# Song prediction - 5. Filtering by score and date
cand_song_idx_filtered = []
for cand in cand_song_idx:
if cand_song[cand] > 0 and song_date[song_sid_id[
cand]] <= test_date[plylst_nid_id[pid]][:4] + test_date[
plylst_nid_id[pid]][5:7] + test_date[
plylst_nid_id[pid]][8:10]:
cand_song_idx_filtered.append(cand)
if len(cand_song_idx_filtered) < 400:
filtered_lot_song.append(len(cand_song_idx_filtered))
cand_song_idx = np.array(cand_song_idx_filtered)
# Song prediction - 6. Rescoring using heuristics
dict_score = {}
for idx in cand_song_idx:
dict_score[idx] = cand_song[idx]
mean_doc_freq = 0
std_doc_freq = 0
list_doc_freq = []
mean_song_date = 0
list_song_date = []
if len(test_set.loc[pid, "songs_id"]) > 0:
for t in test_set.loc[pid, "songs_id"]:
if song_sid_id[t] in inv_doc_freq:
list_doc_freq.append(inv_doc_freq[song_sid_id[t]])
song_d = int(song_date[song_sid_id[t]])
if song_d > 19000000 and song_d < 20210000:
list_song_date.append(song_d)
if len(list_doc_freq) > 0:
mean_doc_freq = np.mean(list_doc_freq)
std_doc_freq = np.std(list_doc_freq)
if len(list_song_date) > 0:
mean_song_date = np.mean(list_song_date)
# Song prediction - 6-1. Rescoring by IDF comparison
if len(list_doc_freq) > 0:
for c in dict_score:
if song_sid_id[c] in inv_doc_freq:
dict_score[c] = 1 / (
len(list_doc_freq)**0.5) * dict_score[c] + (
1 - 1 /
(len(list_doc_freq)**0.5)) * dict_score[c] * 2 / (
np.abs(inv_doc_freq[song_sid_id[c]] -
mean_doc_freq) / (std_doc_freq + 1) + 2)
else:
dict_score[c] = 1 / (len(list_doc_freq)**
0.5) * dict_score[c]
# Song prediction - 6-2. Rescoring by Date comparison
if len(list_song_date) > 0:
for c in dict_score:
song_d = int(song_date[song_sid_id[c]])
if song_d > 19000000 and song_d < 20210000:
dict_score[c] = 1 / (
len(list_song_date)**0.5) * dict_score[c] + (
1 - 1 /
(len(list_song_date)**0.5)) * dict_score[c] / (
np.abs(song_d - mean_song_date) / 500000 + 1)
else:
dict_score[c] = 1 / (len(list_song_date)**
0.5) * dict_score[c]
score_sorted = sorted(dict_score.items(),
key=lambda x: x[1],
reverse=True)
cand_song_idx = []
for t in score_sorted:
cand_song_idx.append(t[0])
cand_song_idx = np.array(cand_song_idx)
cand_song_idx = cand_song_idx[np.isin(cand_song_idx, songs_already) ==
False][:300]
rec_song_idx = [song_sid_id[i] for i in cand_song_idx]
# Tag prediction - 1. Query vector to predict tags
p = np.zeros((n_sts, 1))
p[test_set.loc[pid, 'sts_id']] = 1
# Tag prediction - 2. K-nn playlists
val = train_sts_A.dot(p).reshape(-1)
val_idx = val.reshape(-1).argsort()[-250:][::-1]
val_knn = np.zeros((n_train))
val_knn[val_idx] = val[val_idx]
val = val_knn**2
# Tag prediction - 3. Candidates
cand_tag = train_tags_A_T.dot(val)
# Tag prediction - 4. Rescoring using playlist2vec
dic_tag_score = {}
if str(plylst_nid_id[pid]) in p2v_tag.wv.vocab:
most_id = [
x
for x in p2v_tag.most_similar(str(plylst_nid_id[pid]), topn=50)
]
for ID in most_id:
for t in tag_dic[ID[0]]:
if t in dic_tag_score:
dic_tag_score[t] += ID[1]
else:
dic_tag_score[t] = ID[1]
for k in dic_tag_score:
cand_tag[tag_id_tid[k]] *= dic_tag_score[k]**0.5
cand_tag_idx = cand_tag.reshape(-1).argsort()[-35:][::-1]
# Tag prediction - 5. Filtering by score
cand_tag_idx_filtered = []
for cand in cand_tag_idx:
if cand_tag[cand] > 0:
cand_tag_idx_filtered.append(cand)
if len(cand_tag_idx_filtered) != 35:
filtered_lot_tag.append(len(cand_tag_idx_filtered))
cand_tag_idx = np.array(cand_tag_idx_filtered)
cand_tag_idx = cand_tag_idx[np.isin(cand_tag_idx, tags_already) ==
False][:30]
rec_tag_idx = [tag_tid_id[i] for i in cand_tag_idx]
res.append({
"id": plylst_nid_id[pid],
"songs": rec_song_idx,
"tags": rec_tag_idx
})
print(len(filtered_lot_song), filtered_lot_song)
print(len(filtered_lot_tag), filtered_lot_tag)
write_json(res, "results/" + opt["results_path"])
if opt["eval"]:
evaluator = CustomEvaluator()
evaluator.evaluate("arena_data/answers/val.json",
"arena_data/results/" + opt["results_path"])
def __call__(self, docs, summaries):
tfs = []
df = OrderedDict()
weights = []
entities = []
for doc in docs:
tf = OrderedDict()
token_found = set()
doc_token = []
for sent in doc[1]:
sent = sent2tokens_wostop(sent, set(stopwords.words(LANGUAGE)), LANGUAGE)
for token in sent:
if token in tf:
tf[token] += 1
else:
tf[token] = 1
if token not in token_found:
token_found.add(token)
if token in df:
df[token] += 1
else:
df[token] = 1
embedding = np.zeros(300)
try:
embedding += self.word_embedding[token]
except KeyError:
pass
embedding /= len(embedding)
weights.append(embedding)
entities.append(str(len(entities)))
tfs.append(tf)
id2word = {i:word for i, word in enumerate(df.keys())}
word2id = {id2word[id]:id for id in id2word.keys()}
corpora = [[(word2id[token], tf[token]) for token in tf.keys()] for tf in tfs]
self.doc_entities = []
for i, tf in enumerate(tfs):
divisor = sum([tf[token]/df[token] for token in tf.keys()])
embedding = []
for token in tf.keys():
try:
embedding.append(self.word_embedding[token]*tf[token]/df[token])
except KeyError:
pass
embedding = np.sum(np.array(embedding), 0)/(len(embedding)*divisor)
weights.append(embedding)
entities.append('d'+str(i))
self.doc_entities.append('d'+str(i))
self.lda = LdaModel(corpus=corpora, num_topics=10, id2word=id2word, passes=10)
self.topic_entities = []
for i in range(10):
topic_words = self.lda.show_topic(i, topn=30)
embedding = []
divisor = sum([w_p_pair[1]for w_p_pair in topic_words])
for w_p_pair in topic_words:
try:
embedding.append(self.word_embedding[w_p_pair[0]]*w_p_pair[1]/divisor)
except KeyError:
pass
embedding = np.sum(np.array(embedding), 0)/len(embedding)
weights.append(embedding)
entities.append('t'+str(i))
self.topic_entities.append('t'+str(i))
self.sent_embedding = WordEmbeddingsKeyedVectors(300)
self.sent_embedding.add(entities, np.array(weights), replace=True)
return self.distributional_semantic_similarity(summaries), self.topic_relevance(summaries), self.coherence(summaries)
def run(total_concat, apply_data):
total_concat['id'] = total_concat['id'].astype(str)
c = Counter()
for i in total_concat['tags']:
c.update(i)
tag_list = list(
map(lambda y: y[0], (filter(lambda x: x[1] > 5, c.items()))))
p = re.compile('|'.join(tag_list))
total_concat['tag_in_title'] = total_concat['plylst_title'].apply(
lambda x: p.findall(x))
data = []
for i in total_concat.index:
temp = total_concat.loc[i]
data.append({
'id': temp['id'],
'songs': temp['songs'],
'tags': temp['tags'],
'tag_in_title': temp['tag_in_title']
})
song_dic = {}
tag_dic = {}
for q in data:
song_dic[q['id']] = q['songs']
tag_dic[q['id']] = q['tags']
total = list(
map(
lambda x: list(map(str, x['songs'])) + x['tags'] + x['tag_in_title'
], data))
total = [x for x in total if len(x) > 1]
print("start training item2Vec")
size = 300
if 'item2vec.model' in os.listdir():
w2v_model = Word2Vec.load('item2vec.model')
else:
w2v_model = train.item2vec(total, size=size)
print("done. \n")
p2v_model = WordEmbeddingsKeyedVectors(size)
ID = []
vec = []
for q in data:
tmp_vec = 0
for song in list(map(str, q['songs'])) + q['tags'] + q['tag_in_title']:
try:
tmp_vec += w2v_model.wv.get_vector(song)
except KeyError:
pass
if type(tmp_vec) != int:
ID.append(str(q['id']))
vec.append(tmp_vec)
p2v_model.add(ID, vec)
with open("./arena_data/pre_tag.json", encoding="utf-8") as f:
our_best = json.load(f)
not_in = 0
answers = []
for i, q in enumerate(apply_data.index):
q = apply_data.loc[q]
try:
most_id = [
x[0] for x in p2v_model.most_similar(str(q['id']), topn=200)
]
get_song = []
get_tag = []
for ID in most_id:
get_song += song_dic[ID]
get_tag += tag_dic[ID]
get_song = list(pd.value_counts(get_song)[:300].index)
get_tag = list(pd.value_counts(get_tag)[:30].index)
output_song = remove_seen(q["songs"], get_song)[:100]
output_tag = remove_seen(q["tags"], get_tag)[:10]
answers.append({
"id": q["id"],
"songs": output_song,
"tags": output_tag,
})
except KeyError:
not_in += 1
answers.append({
"id": our_best[i]["id"],
"songs": our_best[i]['songs'],
"tags": our_best[i]["tags"],
})
for n, q in enumerate(answers):
if len(q['songs']) != 100:
answers[n]['songs'] += remove_seen(
q['songs'], our_best[n]['songs'])[:100 - len(q['songs'])]
if len(q['tags']) != 10:
answers[n]['tags'] += remove_seen(
q['tags'], our_best[n]['tags'])[:10 - len(q['tags'])]
write_json(answers, 'final_tags.json')
return answers
class PlaylistEmbedding:
# java의 생성자 같은 존재 __init__
def __init__(self, FILE_PATH):
self.FILE_PATH = FILE_PATH
# word2vec의 요소들
# 최소 1번 이상 연관이 있어야 학습한다.
self.min_count = 2
# 의미를 담을 벡터를 150차원으로 만든다.
self.size = 150
# 중심단어 기준으로 앞뒤로 210개 범위까지 학습시킨다.
self.window = 210
# sg = 1이면 skip-gram 아니면 CBOW
self.sg = 1
# 키 + 벡터를 저장함
# KeyedVectors는 추가 교육을 지원하지 않는 대신 더 작고 RAM을 덜 차지한다.
self.p2v_model = WordEmbeddingsKeyedVectors(self.size)
# 유니코드 한글 시작: 44032, 끝:55199
self.BASE_CODE, self.CHOSUNG, self.JUNGSUNG = 44032, 588, 28
# 초성 리스트0~18
self.CHOSUNG_LIST = [
'ㄱ', 'ㄲ', 'ㄴ', 'ㄷ', 'ㄸ', 'ㄹ', 'ㅁ', 'ㅂ', 'ㅃ', 'ㅅ', 'ㅆ', 'ㅇ', 'ㅈ',
'ㅉ', 'ㅊ', 'ㅋ', 'ㅌ', 'ㅍ', 'ㅎ'
]
# 중성 리스트 0~20
self.JUNGSUNG_LIST = [
'ㅏ', 'ㅐ', 'ㅑ', 'ㅒ', 'ㅓ', 'ㅔ', 'ㅕ', 'ㅖ', 'ㅗ', 'ㅘ', 'ㅙ', 'ㅚ', 'ㅛ',
'ㅜ', 'ㅝ', 'ㅞ', 'ㅟ', 'ㅠ', 'ㅡ', 'ㅢ', 'ㅣ'
]
# 종성 리스트 0~27
self.JONGSUNG_LIST = [
'', 'ㄱ', 'ㄲ', 'ㄳ', 'ㄴ', 'ㄵ', 'ㄶ', 'ㄷ', 'ㄹ', 'ㄺ', 'ㄻ', 'ㄼ', 'ㄽ',
'ㄾ', 'ㄿ', 'ㅀ', 'ㅁ', 'ㅂ', 'ㅄ', 'ㅅ', 'ㅆ', 'ㅇ', 'ㅈ', 'ㅊ', 'ㅋ', 'ㅌ',
'ㅍ', 'ㅎ'
]
# 여기에 자모분리된 train의 플레이리스트 제목들이 담긴다.
self.title_list_detach = []
# FILE_PATH가 가리키는 곳에 train, test와 most_popular_res.json, song_meta.json이 있어야 합니다.
with open(FILE_PATH + '/train.json', encoding="utf-8") as f:
self.train = json.load(f)
with open(FILE_PATH + '/test.json', encoding="utf-8") as f:
self.val = json.load(f)
with open(FILE_PATH + '/most_popular_res.json', encoding="utf-8") as f:
self.most_results = json.load(f)
# song_meta 데이터를 가져온다.
with open(FILE_PATH + '/song_meta.json', encoding="utf-8") as f:
self.song_meta = json.load(f)
def write_json(self, data, fname):
def _conv(o):
if isinstance(o, (np.int64, np.int32)):
return int(o)
raise TypeError
parent = os.path.dirname(fname)
distutils.dir_util.mkpath("./arena_data/" + parent)
with io.open("./arena_data/" + fname, "w", encoding="utf-8") as f:
json_str = json.dumps(data, ensure_ascii=False, default=_conv)
f.write(json_str)
def remove_seen(self, seen, l):
seen = set(seen)
return [x for x in l if not (x in seen)]
# train, val의 곡과 태그를 플레이리스트 id를 key값으로 가지는 딕셔너리에 저장
def get_dic(self, train, val):
song_dic = {}
tag_dic = {}
data = train + val
for q in tqdm(data):
song_dic[str(q['id'])] = q['songs']
tag_dic[str(q['id'])] = q['tags']
self.song_dic = song_dic
self.tag_dic = tag_dic
# 여기서 토탈로 train의 곡과 태그만 보내기 때문에 모델에는 train만 학습됨
total = list(
map(lambda x: list(map(str, x['songs'])) + list(x['tags']), data))
total = [x for x in total if len(x) > 1]
self.total = total
def get_w2v(self, total, min_count, size, window, sg):
try:
print("get_w2v 실행")
if not (os.path.isfile("./w2v_model.model")):
print("get_w2v 모델 학습 시작")
# window가 210인 이유는 태그 10개와 곡 200개 꽉차있는 플레이리스트도 존재하기 때문이다.
w2v_model = Word2Vec(total,
min_count=min_count,
size=size,
window=window,
sg=sg,
iter=25)
print("get_w2v 모델 학습 완료")
self.w2v_model = w2v_model
w2v_model.save("w2v_model.model")
print("w2v_model 모델 로드")
self.w2v_model = Word2Vec.load("./w2v_model.model")
except OSError as e:
print("failed to create directory!")
raise
def update_p2v(self, train, val, w2v_model):
ID = []
vec = []
# val에 있는 곡이나 태그들 중 train에는 없어서 예외처리되는 것을 확인하기 위한 카운트
# 이 부분은 나중에 제거해도 상관 없음
self.yes_songs_count = 0
self.yes_tags_count = 0
self.no_songs_count = 0
self.no_tags_count = 0
for q in tqdm(train + val):
tmp_vec = 0
songs_vec = 0
tags_vec = 0
if len(q['songs']) >= 1 or len(q['tags']) >= 1:
for x in q['songs']:
try:
songs_vec += w2v_model.wv.get_vector(str(x))
self.yes_songs_count += 1
except:
self.no_songs_count += 1
for y in q['tags']:
try:
tags_vec += w2v_model.wv.get_vector(str(y))
self.yes_tags_count += 1
except:
self.no_tags_count += 1
tmp_vec = songs_vec + tags_vec
if type(tmp_vec) != int:
ID.append(str(q['id']))
vec.append(tmp_vec)
# train, val의 플레이리스트 id에 해당하는 vector값을 구함
self.p2v_model.add(ID, vec)
# FastText
def get_title(self, train):
title_list = []
for q in train:
title_list.append(q['plylst_title'])
self.title_list = title_list
def jamo_str(self, text, BASE_CODE, CHOSUNG, JUNGSUNG, CHOSUNG_LIST,
JUNGSUNG_LIST, JONGSUNG_LIST):
def clean_str(text):
pattern = '([a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+)' # E-mail제거
text = re.sub(pattern=pattern, repl='', string=text)
pattern = '(http|ftp|https)://(?:[-\w.]|(?:%[\da-fA-F]{2}))+' # URL제거
text = re.sub(pattern=pattern, repl='', string=text)
pattern = '([ㄱ-ㅎㅏ-ㅣ]+)' # 한글 자음, 모음 제거
text = re.sub(pattern=pattern, repl=' ', string=text)
pattern = '<[^>]*>' # HTML 태그 제거
text = re.sub(pattern=pattern, repl=' ', string=text)
pattern = '[^\w\s]' # 특수기호제거
text = re.sub(pattern=pattern, repl=' ', string=text)
return text
string = text
string = clean_str(string)
# print(string)
sp_list = list(string)
# print(sp_list)
result = []
for keyword in sp_list:
# 한글 여부 check 후 분리
if re.match('.*[ㄱ-ㅎㅏ-ㅣ가-힣]+.*', keyword) is not None:
if keyword == ' ':
result.append(' ')
if keyword in CHOSUNG_LIST or keyword in JUNGSUNG_LIST or keyword in JONGSUNG_LIST:
result.append('')
else:
# 초성 ord->문자의 코드값을 구한다
char_code = ord(keyword) - BASE_CODE
char1 = int(char_code / CHOSUNG)
result.append(CHOSUNG_LIST[char1])
# 중성
char2 = int((char_code - (CHOSUNG * char1)) / JUNGSUNG)
result.append(JUNGSUNG_LIST[char2])
# 종성
char3 = int(
(char_code - (CHOSUNG * char1) - (JUNGSUNG * char2)))
if char3 == 0:
result.append('-')
result.append(JONGSUNG_LIST[char3])
else:
result.append(keyword)
results_all = []
results_all = ("".join(result))
self.results_all = results_all
def get_title_list(self, results_all):
# print("".join(result)) #자모 분리 결과 출력
title_list_detach = []
title_list_detach.append(results_all)
self.title_list_detach.append(title_list_detach)
def make_title_model(self, title_list_detach):
try:
print("make_title_model 실행")
if not (os.path.isfile("./FT_title_model.model")):
print("make_title_model 모델 학습 시작")
FT_title_model = FT_gensim(title_list_detach,
size=300,
window=100,
min_count=1,
sg=1,
iter=2000)
print("make_title_model2 모델 학습 완료")
self.FT_title_model = FT_title_model
FT_title_model.save("FT_title_model.model")
self.FT_title_model = FT_gensim.load("./FT_title_model.model")
print("make_title_model 모델 로드됨")
except OSError as e:
print("failed to create directory!")
raise
# Fasttext끝
def get_result(self, p2v_model, song_dic, tag_dic, most_results, val,
train, FT_title_model, song_meta):
title_sentence_train = []
for x in train:
self.jamo_str(x['plylst_title'], self.BASE_CODE, self.CHOSUNG,
self.JUNGSUNG, self.CHOSUNG_LIST, self.JUNGSUNG_LIST,
self.JONGSUNG_LIST)
title_sentence_train.append(self.results_all)
answers = []
# 제대로 진행되고 있는지 알기 위해 세는 카운트
# most_id는 제대로 뽑히고 있는가?
self.most_id = []
# ply_embedding 추천이 제대로된 플레이리스트는 몇개인가
self.p2v_count = 0
# 예외처리된 플레이리스트는 몇개인가
self.except_count = 0
# 어디서 끊기는지 정확히 알고 싶으면 옮기면서 카운트해보는 변수
self.when_stop = 0
# 문제유형별로 몇개의 플레이리스트가 있는 세는 카운트
self.TNSN = 0
self.TYSN = 0
self.TNSY = 0
self.TYSY = 0
# 곡이나 태그가 100, 10개 안채워졌을 때 채우는 카운트
self.update_song_count = 0
self.update_tag_count = 0
for n, q in tqdm(enumerate(val), total=len(val)):
# 제목, 곡, 태그 유무 파악 및 개수 세기
songs = q['songs']
tags = q['tags']
songs_count = len(songs)
tags_count = len(tags)
try:
# 플레이리스트 임베딩하는 알고리즘(곡으로 곡추천할 때 씀)
def ply_em(q):
most_id = [
x[0]
for x in p2v_model.most_similar(str(q['id']), topn=15)
]
# most_vec = [x[1] for x in p2v_model.most_similar(str(q['id']), topn=15)]
# 원본
get_song = []
get_tag = []
for ID in most_id:
get_song += song_dic[ID]
get_tag += tag_dic[ID]
count = {}
for i in get_song:
try:
count[i] += 1
except:
count[i] = 1
count = sorted(count.items(),
key=lambda x: x[1],
reverse=True)
count2 = {}
for i in get_tag:
try:
count2[i] += 1
except:
count2[i] = 1
count2 = sorted(count2.items(),
key=lambda x: x[1],
reverse=True)
self.when_stop += 1
real_get_song = []
real_get_tag = []
for song in count:
real_get_song.append(song[0])
for tag in count2:
real_get_tag.append(tag[0])
# get_song = list(pd.value_counts(get_song)[:500].index)
# get_tag = list(pd.value_counts(get_tag)[:20].index)
def to_integer(dt_time):
return 10000 * dt_time.year + 100 * dt_time.month + dt_time.day
utc_time = datetime.strptime(q['updt_date'][:26],
'%Y-%m-%d %H:%M:%S.%f')
updt = int(to_integer(utc_time))
true_get_song = []
for song_id in real_get_song:
issue = int(song_meta[song_id]['issue_date'])
if updt - issue >= 0:
true_get_song.append(song_id)
else:
pass
answers.append({
"id":
q["id"],
"songs":
self.remove_seen(q["songs"], true_get_song)[:100],
"tags":
self.remove_seen(q["tags"], real_get_tag)[:10],
})
# 여기까지 오면 카운트 추가
self.p2v_count += 1
# FastText 알고리즘
def fasttext_title(q):
train_ids = []
get_song = []
get_tag = []
self.jamo_str(q['plylst_title'], self.BASE_CODE,
self.CHOSUNG, self.JUNGSUNG,
self.CHOSUNG_LIST, self.JUNGSUNG_LIST,
self.JONGSUNG_LIST)
title = self.results_all
F_list = FT_title_model.wv.most_similar(title, topn=60)
for x in F_list:
number = title_sentence_train.index(x[0])
train_ids.append(train[number]['id'])
for ids in train_ids:
get_song += song_dic[str(ids)]
get_tag += tag_dic[str(ids)]
count = {}
for i in get_song:
try:
count[i] += 1
except:
count[i] = 1
count = sorted(count.items(),
key=lambda x: x[1],
reverse=True)
count2 = {}
for i in get_tag:
try:
count2[i] += 1
except:
count2[i] = 1
count2 = sorted(count2.items(),
key=lambda x: x[1],
reverse=True)
real_get_song = []
real_get_tag = []
for song in count:
real_get_song.append(song[0])
for tag in count2:
real_get_tag.append(tag[0])
# get_song = list(pd.value_counts(real_get_song)[:200].index)
# get_tag = list(pd.value_counts(real_get_tag)[:20].index)
def to_integer(dt_time):
return 10000 * dt_time.year + 100 * dt_time.month + dt_time.day
utc_time = datetime.strptime(q['updt_date'][:26],
'%Y-%m-%d %H:%M:%S.%f')
updt = int(to_integer(utc_time))
true_get_song = []
for song_id in real_get_song:
issue = int(song_meta[song_id]['issue_date'])
if updt - issue >= 0:
true_get_song.append(song_id)
else:
pass
answers.append({
"id":
q["id"],
"songs":
self.remove_seen(q["songs"], true_get_song)[:100],
"tags":
self.remove_seen(q["tags"], real_get_tag)[:10],
})
# 태그 X 곡 X 제목 O
if tags_count == 0 and songs_count == 0:
self.TNSN += 1
fasttext_title(q)
# 태그 O 곡 X 제목 X
elif tags_count > 0 and songs_count == 0:
self.TYSN += 1
fasttext_title(q)
# 태그 x 곡 O
elif tags_count == 0 and songs_count > 0:
self.TNSY += 1
ply_em(q)
# 태그 O 곡 O
elif tags_count > 0 and songs_count > 0:
self.TYSY += 1
ply_em(q)
except:
# 예외처리되면 카운터 추가
self.except_count += 1
answers.append({
"id": q["id"],
"songs": most_results[n]['songs'],
"tags": most_results[n]["tags"],
})
# check and update answer
for n, q in enumerate(answers):
if len(q['songs']) != 100:
answers[n]['songs'] += self.remove_seen(
q['songs'],
self.most_results[n]['songs'])[:100 - len(q['songs'])]
self.update_song_count += 1
if len(q['tags']) != 10:
answers[n]['tags'] += self.remove_seen(
q['tags'],
self.most_results[n]['tags'])[:10 - len(q['tags'])]
self.update_tag_count += 1
self.answers = answers
def run(self):
# Word2Vec ply_embedding
self.get_dic(self.train, self.val)
self.get_w2v(self.total, self.min_count, self.size, self.window,
self.sg)
self.update_p2v(self.train, self.val, self.w2v_model)
# FastText ply_title
self.get_title(self.train)
for string in self.title_list:
self.jamo_str(string, self.BASE_CODE, self.CHOSUNG, self.JUNGSUNG,
self.CHOSUNG_LIST, self.JUNGSUNG_LIST,
self.JONGSUNG_LIST)
self.get_title_list(self.results_all)
self.make_title_model(self.title_list_detach)
# 곡과 태그 채우는 함수
self.get_result(self.p2v_model, self.song_dic, self.tag_dic,
self.most_results, self.val, self.train,
self.FT_title_model, self.song_meta)
self.write_json(self.answers, 'results.json')
print("results 작성 완료")
def train_model(self):
# Word2Vec ply_embedding
self.get_dic(self.train, self.val)
self.get_w2v(self.total, self.min_count, self.size, self.window,
self.sg)
self.update_p2v(self.train, self.val, self.w2v_model)
# FastText ply_title
self.get_title(self.train)
for string in self.title_list:
self.jamo_str(string, self.BASE_CODE, self.CHOSUNG, self.JUNGSUNG,
self.CHOSUNG_LIST, self.JUNGSUNG_LIST,
self.JONGSUNG_LIST)
self.get_title_list(self.results_all)
self.make_title_model(self.title_list_detach)
def train():
MODE = "Test"
if MODE == "Valid":
train = load_json("arena_data/orig/train.json") + load_json(
"arena_data/questions/val.json")
dev = load_json("res/val.json")
test = load_json("res/test.json")
else:
train = load_json("res/train.json")
dev = load_json("res/val.json")
test = load_json("res/test.json")
pred_tag = load_json("arena_data/model/pred_tag.json")
dic_pred_tag = {}
for p_t in pred_tag:
dic_pred_tag[p_t['id']] = p_t['predict_tag']
for doc in train:
doc['tags_org'] = doc['tags'].copy()
doc['tags'] += dic_pred_tag[doc['id']]
for doc in dev:
doc['tags_org'] = doc['tags'].copy()
doc['tags'] += dic_pred_tag[doc['id']]
for doc in test:
doc['tags_org'] = doc['tags'].copy()
doc['tags'] += dic_pred_tag[doc['id']]
item_list = []
len_item = []
for doc in train + dev + test:
song_list = []
for i in doc['songs']:
song_list.append(str(i))
item_list.append(song_list + doc['tags'])
len_item.append(len(song_list + doc['tags']))
print("Max length of item list :", max(len_item), ", Min :", min(len_item))
item_list = [x for x in item_list if len(x) > 1]
print("Train set :", len(item_list))
print("Training Item2Vec model")
SIZE = 100
model = Word2Vec(sentences=item_list,
size=SIZE,
window=240,
min_count=2,
sg=1,
workers=8,
iter=10,
negative=7,
compute_loss=True,
callbacks=[LossPrinter()])
model.save("arena_data/model/word2vec.model")
print("Vocab : ", len(model.wv.vocab))
print("Building and saving playlist embeddings")
song_dic = {}
tag_dic = {}
for q in tqdm(train + test + dev):
song_dic[str(q['id'])] = q['songs']
tag_dic[str(q['id'])] = q['tags_org']
p2v_song = WordEmbeddingsKeyedVectors(SIZE)
ID = []
vec = []
for q in tqdm(train + test + dev):
tmp_vec = 0
cnt_vocab = 0
if len(q['songs']) >= 1:
for item in q['songs']:
try:
tmp_vec += model.wv.get_vector(str(item)) * 2
cnt_vocab += 1
except KeyError:
pass
if len(q['tags']) >= 1:
for item in q['tags']:
try:
tmp_vec += model.wv.get_vector(str(item))
cnt_vocab += 1
except KeyError:
pass
if type(tmp_vec) != int:
ID.append(str(q['id']))
vec.append(tmp_vec)
p2v_song.add(ID, vec)
p2v_song.save("arena_data/model/p2v_song.model")
p2v_tag = WordEmbeddingsKeyedVectors(SIZE)
ID = []
vec = []
for q in tqdm(train + test + dev):
tmp_vec = 0
cnt_vocab = 0
if len(q['songs']) >= 1:
for item in q['songs']:
try:
tmp_vec += model.wv.get_vector(str(item))
cnt_vocab += 1
except KeyError:
pass
if len(q['tags']) >= 1:
for item in q['tags']:
try:
tmp_vec += model.wv.get_vector(str(item)) * 2
cnt_vocab += 1
except KeyError:
pass
if type(tmp_vec) != int:
ID.append(str(q['id']))
vec.append(tmp_vec)
p2v_tag.add(ID, vec)
p2v_tag.save("arena_data/model/p2v_tag.model")
if MODE == "Valid":
print("Testing")
questions = load_json("arena_data/questions/val.json")
cnt_wv_song = 0
cnt_wv_tag = 0
res = []
for q in tqdm(questions):
dic_song_score = {}
dic_tag_score = {}
song_result = []
tag_result = []
if str(q['id']) in p2v_song.wv.vocab:
most_id = [
x for x in p2v_song.most_similar(str(q['id']), topn=50)
]
for ID in most_id:
for s in song_dic[ID[0]]:
if s in dic_song_score:
dic_song_score[s] += ID[1]
else:
dic_song_score[s] = ID[1]
if str(q['id']) in p2v_tag.wv.vocab:
most_id = [
x for x in p2v_tag.most_similar(str(q['id']), topn=50)
]
for t in tag_dic[ID[0]]:
if t in dic_tag_score:
dic_tag_score[t] += ID[1]
else:
dic_tag_score[t] = ID[1]
if len(dic_song_score) > 0:
sort_song_score = sorted(dic_song_score.items(),
key=lambda x: x[1],
reverse=True)
for s in sort_song_score:
song_result.append(s[0])
cnt_wv_song += 1
if len(dic_tag_score) > 0:
sort_tag_score = sorted(dic_tag_score.items(),
key=lambda x: x[1],
reverse=True)
for s in sort_tag_score:
tag_result.append(s[0])
cnt_wv_tag += 1
res.append({
"id": q["id"],
"songs": remove_seen(q["songs"], song_result)[:100],
"tags": remove_seen(q["tags"], tag_result)[:10],
})
print(len(questions), cnt_wv_song, cnt_wv_tag)
ans = load_json("arena_data/answers/val.json")
evaluator = CustomEvaluator()
evaluator._evaluate(ans, res)
w2v_model = Word2Vec(tot_repr,
min_count=min_count,
size=size,
window=window,
sg=sg,
workers=8,
hashfxn=hash)
#%% save the w2v model
with open(os.path.join(MODEL_PATH, '0007ky.w2v'), 'wb') as f:
pickle.dump(w2v_model, f)
# In[ ]:
# make p2v model
p2v_model = WordEmbeddingsKeyedVectors(size)
#%%
tot = train + test + val
song_dic = {}
tag_dic = {}
for q in tqdm(tot):
song_dic[q['id']] = q['songs']
tag_dic[q['id']] = q['tags']
#%%
ID = []
vec = []
for q in tqdm(tot, leave=True, position=0):
tmp_vec = 0
if len(q['repr']) >= 1:
for word in q['repr']:
