def get_personal_keyword_info(self, person_cluster, ngram_id):
db, cursor = init_db()
cursor.execute("""SELECT count, log_cite_prod_count FROM personal_keywords """ + \
"""WHERE person_cluster = %s AND ngram_id = %s""", (person_cluster, ngram_id))
row = cursor.fetchone()
close_db(db, cursor)
return row
def dow_xml_to_mysql():
xmlschema_doc = etree.parse(FLAGS.schema_file)
xmlschema = etree.XMLSchema(xmlschema_doc)
db, cursor = init_db()
for root, sub_folders, files in os.walk(FLAGS.xml_dir):
for file in files:
# recursively find xml files
if os.path.splitext(file)[1] == '.xml':
tree = etree.parse(os.path.join(root, file))
# check schema
if not xmlschema.validate(tree):
raise Exception("Incorrect schema of xml file " + os.path.join(root, file))
# parse xml
for doc in tree.xpath('dbo_RICKMETADATA'):
(id, title, authors, abs, url) = ('', '', [], '', '')
id = get_element_value(doc, 'ID')
title = ' '.join(get_element_value(doc, 'TITL').splitlines()).strip()
authors = clean_authors(';'.join(get_element_value(doc, 'AUTH').splitlines()).split(';'))
abs = ' '.join(get_element_value(doc, 'ABST').splitlines()).strip()
url = get_element_value(doc, 'LINK')
# save to mysql
if id != '':
insert_tables(db, cursor, id, title, authors, abs, url)
close_db(db, cursor)
def main(argv):
NUM_PROCESSES = multiprocessing.cpu_count() * 2
cmd_queue = multiprocessing.Queue()
job_queue = multiprocessing.Queue()
print "Create %d workers..." % NUM_PROCESSES
for i in range(NUM_PROCESSES):
multiprocessing.Process(target=worker, args=(i, cmd_queue, job_queue)).start()
# fetch data from database
db, cursor = mysql_util.init_db()
try:
if not mysql_util.does_table_exist(db, cursor, "paper_keywords_noun"):
cursor.execute(
"CREATE TABLE paper_keywords_noun ("
"id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY, "
"paper_id varchar(100), "
"ngram varchar(255), "
"count int(11), "
"INDEX (paper_id))"
)
print "Fetching papers from database..."
cursor.execute("""SELECT id, title, abstract FROM papers""")
papers = cursor.fetchall()
dispatch_work(cmd_queue, job_queue, papers)
except KeyboardInterrupt as e:
pass
finally:
mysql_util.close_db(db, cursor)
print "Main process leaves"
def main(argv):
NUM_PROCESSES = multiprocessing.cpu_count() * 2
cmd_queue = multiprocessing.Queue()
job_queue = multiprocessing.Queue()
print "Create %d workers..." % NUM_PROCESSES
for i in range(NUM_PROCESSES):
multiprocessing.Process(target=worker,
args=(i, cmd_queue, job_queue)).start()
# fetch data from database
db, cursor = mysql_util.init_db()
try:
if not mysql_util.does_table_exist(db, cursor, 'paper_keywords_noun'):
cursor.execute('CREATE TABLE paper_keywords_noun ('
'id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY, '
'paper_id varchar(100), '
'ngram varchar(255), '
'count int(11), '
'INDEX (paper_id))')
print "Fetching papers from database..."
cursor.execute("""SELECT id, title, abstract FROM papers""")
papers = cursor.fetchall()
dispatch_work(cmd_queue, job_queue, papers)
except KeyboardInterrupt as e:
pass
finally:
mysql_util.close_db(db, cursor)
print "Main process leaves"
def get_ngram_co_occur_info(self, min_co_occur=1):
db, cursor = init_db()
cursor.execute("""SELECT src_id, tar_id FROM ngram_relations """ + \
"""WHERE co_occur >= %s""", (min_co_occur))
rows = cursor.fetchall()
close_db(db, cursor)
return [(r[0], r[1]) for r in rows]
def drop_tables():
print 'Dropping tables'
db, cursor = mysql_util.init_db()
tables_to_be_removed = mysql_util.get_all_tbl(db, cursor)
for tbl in tables_to_be_removed:
mysql_util.drop_tbl(db, cursor, tbl)
mysql_util.close_db(db, cursor)
def get_experts_from_keywords(self, keyword):
db, cursor = init_db()
cursor.execute("""SELECT authors.name FROM authors, ngrams, personal_keywords """ + \
"""WHERE ngrams.name=%s AND personal_keywords.ngram_id = ngrams.id """ + \
"""AND authors.cluster=personal_keywords.person_cluster """ + \
"""GROUP BY authors.name""", (keyword))
rows = cursor.fetchall()
close_db(db, cursor)
return [r[0] for r in rows]
def get_expertise_from_author(self, author):
db, cursor = init_db()
cursor.execute("""SELECT ngrams.name FROM ngrams, personal_keywords, authors """ + \
"""WHERE ngrams.id=personal_keywords.ngram_id AND """ + \
"""personal_keywords.person_cluster = authors.cluster AND """ + \
"""ngrams.is_valid AND authors.name=%s GROUP BY ngrams.name""", (author))
rows = cursor.fetchall()
close_db(db, cursor)
return [r[0] for r in rows]
def get_author_clusters():
db, cursor = init_db()
author_clusters = [ ]
cursor.execute("""SELECT distinct(cluster) FROM authors""")
rows = cursor.fetchall()
for r in rows:
author_clusters.append(r[0])
close_db(db, cursor)
return author_clusters
def main(argv):
check_args(argv)
db, cursor = init_db()
try:
cursor.execute("""DELETE FROM paper_keywords_noun WHERE ngram=%s""", (FLAGS.drop_keyword))
db.commit()
except:
sys.stdout.write("""Error in deleting paper_keywords_noun where ngram = %s""" % (FLAGS.drop_keyword))
db.rollback()
close_db(db, cursor)
def add_to_ngrams(user_defined_terms):
db, cursor = init_db()
for term in user_defined_terms:
if not is_term_in_ngrams(db, cursor, term):
try:
cursor.execute("""INSERT INTO ngrams (name, n) VALUES (%s, %s)""", \
(term, len(term.split())))
db.commit()
except:
sys.stderr.write('Error in inserting table ngrams "' + term + '"\n')
db.rollback()
close_db(db, cursor)
def invalidate_stopwords_from_keyphrases(stopwords):
db, cursor = init_db()
if not is_tbl_exists(db, cursor, 'ngrams'):
raise Exception('Table "ngrams" does not exist!')
for stopword in stopwords:
try:
cursor.execute("""UPDATE ngrams SET is_valid=0 WHERE name=%s""", \
(stopword))
db.commit()
except:
db.rollback()
raise Exception('Error in updating table "ngrams"')
close_db(db, cursor)
def save_keyphrases_to_table(keyphrases):
db, cursor = init_db()
if not is_tbl_exists(db, cursor, 'ngrams'):
cursor.execute('CREATE TABLE ngrams ' + \
'(id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, ' + \
'name varchar(255) NOT NULL UNIQUE, ' + \
'n INT DEFAULT 0, ' + \
'freq INT DEFAULT 0, ' + \
'is_valid int(1) DEFAULT 1)')
for k in keyphrases:
ngram_id = get_ngram_id_by_name(db, cursor, k)
if ngram_id == None:
save_one_keyphrase_to_table(db, cursor, k)
close_db(db, cursor)
def gen_trie():
db, cursor = init_db()
trie = { }
cursor.execute("""SELECT id, name FROM ngrams WHERE is_valid = 1""")
rows = cursor.fetchall()
n_rows = len(rows)
sys.stdout.write('Generating trie\n')
for i, r in enumerate(rows):
sys.stdout.write("\r%d / %d" % (i+1, n_rows))
ngram_id = r[0]
name = r[1]
insert_trie(trie, ngram_id, name)
sys.stdout.write('\n')
close_db(db, cursor)
return trie
def get_rand_papers(eval_paper_num):
'''
Return: list of tuples where each tuple contains
(paper_cluster_id, paper_title, and paper_abstract)
'''
paper_infos = [ ]
db, cursor = init_db()
cursor.execute("""SELECT cluster, title, abstract FROM papers WHERE """ + \
"""title IS NOT NULL AND title <> '' AND """ + \
"""abstract IS NOT NULL AND abstract <> ''""")
rows = cursor.fetchall()
sampled_idx = random.sample(xrange(len(rows)), min(len(rows), eval_paper_num))
for idx in sampled_idx:
paper_infos.append((rows[idx]))
close_db(db, cursor)
return paper_infos
def create_solr_doc_files(table_name, field_mapping, solr_file_folder, solr_doc_filename_prefix):
batchsize = 100000
db, cursor = mysql_util.init_db()
print 'Querying database'
sql = 'SELECT %s FROM %s' % (','.join(field_mapping.keys()), table_name)
cursor.execute(sql)
num_files = 0
while True:
rows = cursor.fetchmany(batchsize)
if not rows:
break
num_files += 1
sys.stdout.write('Generating doc file number %d\n' % num_files)
root = etree.Element('add')
for i, r in enumerate(rows):
sys.stdout.write("\r%d / %d" % (i+1, len(rows)))
doc = etree.Element('doc')
for j, col in enumerate(r):
(field_name, field_type) = field_mapping.values()[j]
ele = etree.Element("field", name=field_name)
if field_type in ['string', 'text_general']:
assign_xml_node_text(ele, col) if col is not None else ''
elif field_type in ['int', 'float', 'long', 'double']:
ele.text = str(col) if col is not None else '0'
elif field_type in ['date']:
ele.text = col.strftime("%Y-%m-%dT%H:%M:%SZ") if col is not None else ''
elif field_type in ['boolean']:
ele.text = 'true' if col else 'false'
else:
raise Exception('\nUndefined field type "%s"' % (field_type))
doc.append(ele)
root.append(doc)
print ''
if not os.path.isdir(solr_file_folder):
os.mkdir(solr_file_folder)
f = open(os.path.join(solr_file_folder, '%s%d.xml' % (solr_doc_filename_prefix, num_files)), 'w')
tree = etree.ElementTree(root)
tree.write(f, encoding='utf8', pretty_print=True)
f.close()
mysql_util.close_db(db, cursor)
def upd_co_occur_norm():
db, cursor = init_db()
total_freq = float(get_total_freq(db, cursor))
cursor.execute("""SELECT id, src_id, tar_id, co_occur FROM ngram_relations""")
rows = cursor.fetchall()
for r in rows:
id = r[0]
src_freq_prob = get_freq_by_ngram_id(db, cursor, r[1]) / total_freq
tar_freq_prob = get_freq_by_ngram_id(db, cursor, r[2]) / total_freq
co_occur_prob = r[3] / total_freq
co_occur_norm = normalize(pmi(src_freq_prob, tar_freq_prob, co_occur_prob) / (-math.log(co_occur_prob)), -1, 1, 1, 5)
try:
cursor.execute("""UPDATE ngram_relations SET co_occur_norm = %s WHERE id = %s""",
(co_occur_norm, id))
db.commit()
except:
sys.stderr.write('Error in updating table ngrams of id "' + str(id) + '"\n')
db.rollback()
close_db(db, cursor)
def gen_author_keyphrase(trie):
# ex: Assuming sean's author cluster is 203, sean is good at nuclear (id = 2111) and oxygen (id=76),
# then: author_keyphrase[203] = {2111: 3, 76: 5}, where 3 and 5 are the appearance frequency
# of nuclear and oxygen in his publications
batch_save_size = 100
db, cursor = init_db()
if not is_tbl_exists(db, cursor, 'personal_keywords'):
cursor.execute('CREATE TABLE personal_keywords (' + \
'id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, ' + \
'person_cluster int, ' + \
'ngram_id int, ' + \
'year int, ' + \
'count int, ' + \
'log_cite_prod_count float)')
author_clusters = get_author_clusters()
author_keyphrase = { }
sys.stdout.write("Generating author_keyphrase\n")
n_author_clusters = len(author_clusters)
for i, author_cluster in enumerate(author_clusters):
sys.stdout.write("\r%d / %d" % (i+1, n_author_clusters))
cursor.execute("""SELECT authors.cluster, papers.title, """ + \
"""papers.abstract, papers.ncites FROM authors, papers WHERE """ + \
"""authors.paper_cluster = papers.cluster and authors.cluster = %s""", (author_cluster))
rows = cursor.fetchall()
for r in rows:
author_cluster = r[0]
contents = r[1].lower() + ' >>> ' if r[1] is not None else ''
if r[2] is not None:
contents += r[2].lower()
ncites = r[3]
term_ctr = gen_term_ctr(contents, trie)
upd_author_keyphrase(author_keyphrase, author_cluster, term_ctr, ncites)
if (i+1) % batch_save_size == 0:
save_author_keyphrase_to_table(db, cursor, author_keyphrase)
author_keyphrase = { }
save_author_keyphrase_to_table(db, cursor, author_keyphrase)
sys.stdout.write("\nCreating indexes...\n")
cursor.execute('ALTER TABLE personal_keywords ADD INDEX (person_cluster), ' + \
'ADD INDEX (ngram_id), ADD INDEX (year)')
close_db(db, cursor)
def create_solr_doc_files():
batchsize = 100000
solr_file_foler = "./settings/solr_files"
db, cursor = init_db()
print 'Querying paper contents'
cursor.execute("""SELECT cluster, title, abstract, ncites FROM papers""")
num_files = 0
while True:
rows = cursor.fetchmany(batchsize)
if not rows:
break
num_files += 1
print 'Generating doc file number ' + str(num_files)
root = etree.Element('add')
num_docs_to_gen = len(rows)
for i, r in enumerate(rows):
sys.stdout.write("\r%d / %d, id: %s" % (i+1, num_docs_to_gen, r[0]))
doc = etree.Element('doc')
id = etree.Element("field", name="id")
id.text = str(r[0])
title = etree.Element("field", name="title")
assign_xml_node_text(title, r[1])
abs = etree.Element("field", name="abstract")
assign_xml_node_text(abs, r[2])
ncites = etree.Element("field", name="ncites")
ncites.text = str(r[3]) if r[3] is not None else '0'
doc.append(id)
doc.append(title)
doc.append(abs)
doc.append(ncites)
root.append(doc)
print ''
f = open(os.path.join(solr_file_foler, 'papers' + str(num_files) + '.xml'), 'w')
tree = etree.ElementTree(root)
tree.write(f, encoding='utf8', pretty_print=True)
f.close()
close_db(db, cursor)
def worker(worker_id, cmd_queue, job_queue):
db, cursor = mysql_util.init_db()
try:
while True:
# get data to process
cmd_queue.put(("GET", None))
paper_info = job_queue.get()
if paper_info == None:
break
# process data
pid, term_ctr = calc_term_ctr(paper_info)
save_to_tbl(db, cursor, pid, term_ctr)
# report the the dispatcher that we have done one
cmd_queue.put(("DONE", pid))
except KeyboardInterrupt as e:
pass
finally:
mysql_util.close_db(db, cursor)
print
print "Worker %d leaves" % worker_id
def worker(worker_id, cmd_queue, job_queue):
db, cursor = mysql_util.init_db()
try:
while True:
# get data to process
cmd_queue.put(('GET', None))
paper_info = job_queue.get()
if paper_info == None:
break
# process data
pid, term_ctr = calc_term_ctr(paper_info)
save_to_tbl(db, cursor, pid, term_ctr)
# report the the dispatcher that we have done one
cmd_queue.put(('DONE', pid))
except KeyboardInterrupt as e:
pass
finally:
mysql_util.close_db(db, cursor)
print
print 'Worker %d leaves' % worker_id
def gen_keyphrase_info(trie):
db, cursor = init_db()
if not is_tbl_exists(db, cursor, 'ngram_relations'):
cursor.execute('CREATE TABLE ngram_relations ' + \
'(id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, ' + \
'src_id INT NOT NULL, ' + \
'tar_id INT NOT NULL, ' + \
'co_occur INT DEFAULT 0, ' + \
'co_occur_norm FLOAT DEFAULT 0, ' + \
'is_valid INT(1) DEFAULT 1, ' + \
'UNIQUE src_tar_idx (src_id, tar_id))')
batch_save_size = 100
keyphrase_ctr = defaultdict(int)
keyphrase_relation_ctr = defaultdict(lambda : defaultdict(int))
cursor.execute("""SELECT title, abstract FROM papers""")
rows = cursor.fetchall()
num_rows = len(rows)
sys.stdout.write('Generating keyphrase information\n')
for i, r in enumerate(rows):
sys.stdout.write("\r%d / %d" % (i+1, num_rows))
contents = r[0].lower() + ' >>> ' if r[0] is not None else ''
if r[1] is not None:
contents += r[1].lower()
inc_keyphrase_ctr(keyphrase_ctr, contents, trie)
inc_keyphrase_relation_ctr(keyphrase_relation_ctr, contents, trie)
if (i+1) % batch_save_size == 0:
upd_keyphrase_ctr_to_table(db, cursor, keyphrase_ctr)
upd_keyphrase_relation_ctr_to_table(db, cursor, keyphrase_relation_ctr)
keyphrase_ctr = defaultdict(int)
keyphrase_relation_ctr = defaultdict(lambda : defaultdict(int))
upd_keyphrase_ctr_to_table(db, cursor, keyphrase_ctr)
upd_keyphrase_relation_ctr_to_table(db, cursor, keyphrase_relation_ctr)
upd_co_occur_norm()
sys.stdout.write("\n")
#cursor.execute('ALTER TABLE ngram_relations ADD UNIQUE INDEX (src_id, tar_id)')
close_db(db, cursor)
def get_ngram_info(self, term):
db, cursor = init_db()
cursor.execute("""SELECT name, freq FROM ngrams WHERE name=%s""", (term))
row = cursor.fetchone()
close_db(db, cursor)
return row
def reset_tables(): db, cursor = init_db() check_required_tables(db, cursor) reset_tables_for_testing(db, cursor) close_db(db, cursor)
def test_is_db_exists(self): db, cursor = init_db() assert_equal(is_db_exists(db, cursor, 'this-is-a-not-existing-database'), False) assert_equal(is_db_exists(db, cursor, 'information_schema'), True) close_db(db, cursor)
return row != None
def save_root_categories_to_db(root_categories):
db, cursor = init_db()
table_name = 'root_categories'
if not is_tbl_exists(db, cursor, table_name):
cursor.execute('CREATE TABLE ' + table_name + \
' (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, ' + \
' name VARCHAR(100) NOT NULL)')
for root_category in root_categories:
if not is_root_category_in_db(db, cursor, root_category[0]):
try:
cursor.execute("""INSERT INTO root_categories (name) VALUES (%s)""", (root_category[0],))
except Exception, e:
print repr(e)
close_db(db, cursor)
def iter_through_nested_dict_keys(di, li):
for k in di.keys():
li.append(k)
if len(di[k]) > 0:
iter_through_nested_dict_keys(di[k], li)
def nested_dict_keys_to_list(category_structure):
category_list = [ ]
iter_through_nested_dict_keys(category_structure, category_list)
return sorted(list(set(category_list)))
def save_category_list(root_cate_title, categories, depth):
category_output_dir = 'outputs/category'
f = codecs.open(os.path.join(category_output_dir, \
doi2keyphrases[doi] = keyphrases
db, cursor = mysql_util.init_db()
total = len(doi2keyphrases)
try:
if not mysql_util.does_table_exist(db, cursor, 'paper_keywords_allenai'):
cursor.execute('CREATE TABLE paper_keywords_allenai ('
'id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY, '
'doi varchar(100), '
'keyphrase varchar(255), '
'INDEX (doi))')
count = 1
for doi, keyphrases in doi2keyphrases.iteritems():
print "\r%d / %d: %s: %s" % (count, total, doi, str(keyphrases)),
sys.stdout.flush()
try:
cursor.execute("""DELETE FROM paper_keywords_allenai WHERE doi=%s""", (doi,))
for keyphrase in keyphrases:
cursor.execute("""INSERT INTO paper_keywords_allenai (doi, keyphrase) VALUES (%s, %s)""", (doi, keyphrase))
db.commit()
except Exception as e:
print e
db.rollback()
count += 1
finally:
mysql_util.close_db(db, cursor)
def tearDown(self):
self.cursor.execute("DROP DATABASE " + self.db_info['db'])
mysql_util.close_db(self.db, self.cursor)
