class ApproximatePageRank(object):
"""APR main lib which is used to wrap functions around ppr algo."""
def __init__(self):
self.data = CsrData()
self.data.load_csr_data(full_wiki=FLAGS.full_wiki,
files_dir=FLAGS.apr_files_dir)
def get_topk_extracted_ent(self, seeds, alpha, topk):
"""Extract topk entities given seeds.
Args:
seeds: An Ex1 vector with weight on every seed entity
alpha: probability for PPR
topk: max top entities to extract
Returns:
extracted_ents: list of selected entities
extracted_scores: list of scores of selected entities
"""
ppr_scores = csr_personalized_pagerank(seeds, self.data.adj_mat_t_csr,
alpha)
sorted_idx = np.argsort(ppr_scores)[::-1]
extracted_ents = sorted_idx[:topk]
extracted_scores = ppr_scores[sorted_idx[:topk]]
# Check for really low values
# Get idx of First value < 1e-6, limit extracted ents till there
zero_idx = np.where(ppr_scores[extracted_ents] < 1e-6)[0]
if zero_idx.shape[0] > 0:
extracted_ents = extracted_ents[:zero_idx[0]]
return extracted_ents, extracted_scores
def get_facts(self, entities, topk, alpha, seed_weighting=True):
"""Get subgraph describing a neighbourhood around given entities.
Args:
entities: A list of Wikidata entities
topk: Max entities to extract from PPR
alpha: Node probability for PPR
seed_weighting: Boolean for performing weighting seeds by freq in passage
Returns:
unique_facts: A list of unique facts around the seeds.
"""
if FLAGS.verbose_logging:
tf.logging.info('Getting subgraph')
entity_ids = [
int(self.data.ent2id[x]) for x in entities if x in self.data.ent2id
]
if FLAGS.verbose_logging:
tf.logging.info(
str([
self.data.entity_names['e'][str(x)]['name']
for x in entity_ids
]))
freq_dict = {x: entity_ids.count(x) for x in entity_ids}
seed = np.zeros((self.data.adj_mat.shape[0], 1))
if not seed_weighting:
seed[entity_ids] = 1. / len(set(entity_ids))
else:
for x, y in freq_dict.items():
seed[x] = y
seed = seed / seed.sum()
extracted_ents, extracted_scores = self.get_topk_extracted_ent(
seed, alpha, topk)
if FLAGS.verbose_logging:
tf.logging.info('Extracted ents: ')
tf.logging.info(
str([
self.data.entity_names['e'][str(x)]['name']
for x in extracted_ents
]))
facts = csr_topk_fact_extractor(self.data.adj_mat_t_csr,
self.data.rel_dict, freq_dict,
self.data.entity_names, extracted_ents,
extracted_scores)
if FLAGS.verbose_logging:
tf.logging.info('Extracted facts: ')
tf.logging.info(str(facts))
# Extract 1 unique fact per pair of entities (fact with highest score)
# Sort by scores
unique_facts = {}
for (sub, obj, rel, score) in facts:
fwd_dir = (sub, obj)
rev_dir = (obj, sub)
if fwd_dir in unique_facts and score > unique_facts[fwd_dir][1]:
unique_facts[fwd_dir] = (rel, score)
elif rev_dir in unique_facts and score > unique_facts[rev_dir][1]:
unique_facts[fwd_dir] = (rel, score)
del unique_facts[rev_dir] # Remove existing entity pair
else:
unique_facts[(sub, obj)] = (rel, score)
unique_facts = list(unique_facts.items())
return unique_facts
class ShortestPath(object):
"""Shortest Path main lib which is used to wrap functions around Shortest Path algo."""
def __init__(self,
mode=None,
task_id=None,
shard_id=None,
question_id=None):
self.data = CsrData()
self.data.load_csr_data(full_wiki=FLAGS.full_wiki,
files_dir=FLAGS.apr_files_dir,
mode=mode,
task_id=task_id,
shard_id=shard_id,
question_id=question_id)
self.high_freq_relations = {
'P31': 'instance of',
'P17': 'country',
'P131': 'located in the administrative territorial entity',
'P106': 'occupation',
'P21': 'sex or gender',
'P735': 'given name',
'P27': 'country of citizenship',
'P19': 'place of birth'
}
def get_khop_entities(self, seeds, k_hop):
print("id2ent size: %d", len(self.data.id2ent))
entity_ids = [
int(self.data.ent2id[x]) for x in seeds if x in self.data.ent2id
]
khop_entity_ids = csr_get_k_hop_entities(entity_ids,
self.data.adj_mat_t_csr,
k_hop)
khop_entities = [
self.data.id2ent[str(x)] for x in khop_entity_ids
if str(x) in self.data.id2ent.keys()
]
return khop_entities
def get_topk_extracted_ent(self, seeds, alpha, topk):
"""Extract topk entities given seeds.
Args:
seeds: An Ex1 vector with weight on every seed entity
alpha: probability for PPR
topk: max top entities to extract
Returns:
extracted_ents: list of selected entities
extracted_scores: list of scores of selected entities
"""
#tf.logging.info('Start ppr')
ppr_scores = csr_personalized_pagerank(seeds, self.data.adj_mat_t_csr,
alpha)
#tf.logging.info('End ppr')
sorted_idx = np.argsort(ppr_scores)[::-1]
extracted_ents = sorted_idx[:topk]
extracted_scores = ppr_scores[sorted_idx[:topk]]
# Check for really low values
# Get idx of First value < 1e-6, limit extracted ents till there
zero_idx = np.where(ppr_scores[extracted_ents] < 1e-6)[0]
if zero_idx.shape[0] > 0:
extracted_ents = extracted_ents[:zero_idx[0]]
return extracted_ents, extracted_scores
def get_augmented_facts(self, path, entity_names, augmentation_type=None):
augmented_path = []
for single_path in path:
single_path = single_path[1:]
for (obj_id, rel_id, subj_id) in reversed(single_path):
if obj_id == subj_id:
continue
subj_name = entity_names['e'][str(subj_id)]['name']
obj_name = entity_names['e'][str(
obj_id)]['name'] if str(obj_id) != 'None' else 'None'
rel_name = entity_names['r'][str(
rel_id)]['name'] if str(rel_id) != 'None' else 'None'
augmented_path.append(
(((subj_id, subj_name), (obj_id, obj_name)),
((rel_id, rel_name), None)))
return augmented_path
def get_all_path_augmented_facts(self,
path,
entity_names,
augmentation_type=None):
augmented_path = []
for single_path in path:
tmp_path = []
single_path = single_path[1:]
for (obj_id, rel_id, subj_id) in reversed(single_path):
if obj_id == subj_id:
continue
subj_name = entity_names['e'][str(subj_id)]['name']
obj_name = entity_names['e'][str(
obj_id)]['name'] if str(obj_id) != 'None' else 'None'
rel_name = entity_names['r'][str(
rel_id)]['name'] if str(rel_id) != 'None' else 'None'
tmp_path.append((((subj_id, subj_name), (obj_id, obj_name)),
((rel_id, rel_name), None)))
augmented_path.append(tmp_path)
return augmented_path
def get_shortest_path_facts(self,
question_entities,
answer_entities,
passage_entities,
seed_weighting=True,
fp=None):
"""Get subgraph describing shortest path from question to answer.
Args:
question_entities: A list of Wikidata entities
answer_entities: A list of Wikidata entities
passage_entities: A list of Wikidata entities
Returns:
unique_facts: A list of unique facts representing the shortest path.
"""
if FLAGS.verbose_logging:
print('Getting subgraph')
tf.logging.info('Getting subgraph')
question_entity_ids = [
int(self.data.ent2id[x]) for x in question_entities
if x in self.data.ent2id
]
question_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in question_entity_ids
])
#if fp is not None:
# fp.write(str(question_entities)+"\t"+question_entity_names+"\t")
if FLAGS.verbose_logging:
print('Question Entities')
tf.logging.info('Question Entities')
print(question_entities)
print(question_entity_names)
tf.logging.info(question_entity_names)
answer_entity_ids = [
int(self.data.ent2id[x]) for x in answer_entities
if x in self.data.ent2id
]
answer_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in answer_entity_ids
])
#if fp is not None:
# fp.write(str(answer_entities)+"\t"+answer_entity_names+"\t")
if FLAGS.verbose_logging:
print('Answer Entities')
tf.logging.info('Answer Entities')
print(answer_entities)
print(answer_entity_names)
tf.logging.info(answer_entity_names)
passage_entity_ids = [
int(self.data.ent2id[x]) for x in passage_entities
if x in self.data.ent2id
]
passage_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in passage_entity_ids
])
if FLAGS.verbose_logging:
print('Passage Entities')
tf.logging.info('Passage Entities')
print(passage_entity_names)
tf.logging.info(passage_entity_names)
freq_dict = {
x: question_entity_ids.count(x)
for x in question_entity_ids
}
extracted_paths, num_hops = csr_get_shortest_path(
question_entity_ids,
self.data.adj_mat_t_csr,
answer_entity_ids,
self.data.rel_dict,
k_hop=FLAGS.k_hop)
augmented_facts = self.get_augmented_facts(extracted_paths,
self.data.entity_names)
if FLAGS.verbose_logging:
print('Extracted facts: ')
print(str(augmented_facts))
tf.logging.info('Extracted facts: ')
tf.logging.info(str(augmented_facts))
print("Num hops: " + str(num_hops))
return augmented_facts, num_hops
def get_question_to_passage_facts(self,
question_entities,
answer_entities,
passage_entities,
seed_weighting=True,
fp=None):
"""Get subgraph describing shortest path from question to answer.
Args:
question_entities: A list of Wikidata entities
answer_entities: A list of Wikidata entities
passage_entities: A list of Wikidata entities
Returns:
unique_facts: A list of unique facts representing the shortest path.
"""
if FLAGS.verbose_logging:
print('Getting subgraph')
tf.logging.info('Getting subgraph')
question_entity_ids = [
int(self.data.ent2id[x]) for x in question_entities
if x in self.data.ent2id
]
question_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in question_entity_ids
])
#if fp is not None:
# fp.write(str(question_entities)+"\t"+question_entity_names+"\t")
if FLAGS.verbose_logging:
print('Question Entities')
tf.logging.info('Question Entities')
print(question_entities)
print(question_entity_names)
tf.logging.info(question_entity_names)
answer_entity_ids = [
int(self.data.ent2id[x]) for x in answer_entities
if x in self.data.ent2id
]
answer_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in answer_entity_ids
])
#if fp is not None:
# fp.write(str(answer_entities)+"\t"+answer_entity_names+"\t")
if FLAGS.verbose_logging:
print('Answer Entities')
tf.logging.info('Answer Entities')
print(answer_entities)
print(answer_entity_names)
tf.logging.info(answer_entity_names)
passage_entity_ids = [
int(self.data.ent2id[x]) for x in passage_entities
if x in self.data.ent2id
]
passage_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in passage_entity_ids
])
if FLAGS.verbose_logging:
print('Passage Entities')
tf.logging.info('Passage Entities')
print(passage_entity_names)
tf.logging.info(passage_entity_names)
freq_dict = {
x: question_entity_ids.count(x)
for x in question_entity_ids
}
extracted_paths, num_hops = csr_get_all_paths(question_entity_ids,
self.data.adj_mat_t_csr,
passage_entity_ids,
self.data.rel_dict,
k_hop=FLAGS.k_hop)
augmented_facts = self.get_all_path_augmented_facts(
extracted_paths, self.data.entity_names)
if FLAGS.verbose_logging:
print('All path Extracted facts: ')
print(str(augmented_facts))
tf.logging.info('All path Extracted facts: ')
tf.logging.info(str(augmented_facts))
print("Num hops: " + str(num_hops))
return augmented_facts, num_hops
def get_all_path_facts(self,
question_entities,
answer_entities,
passage_entities,
seed_weighting=True,
fp=None):
"""Get subgraph describing shortest path from question to answer.
Args:
question_entities: A list of Wikidata entities
answer_entities: A list of Wikidata entities
passage_entities: A list of Wikidata entities
Returns:
unique_facts: A list of unique facts representing the shortest path.
"""
if FLAGS.verbose_logging:
print('Getting subgraph')
tf.logging.info('Getting subgraph')
question_entity_ids = [
int(self.data.ent2id[x]) for x in question_entities
if x in self.data.ent2id
]
question_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in question_entity_ids
])
#if fp is not None:
# fp.write(str(question_entities)+"\t"+question_entity_names+"\t")
if FLAGS.verbose_logging:
print('Question Entities')
tf.logging.info('Question Entities')
print(question_entities)
print(question_entity_names)
tf.logging.info(question_entity_names)
answer_entity_ids = [
int(self.data.ent2id[x]) for x in answer_entities
if x in self.data.ent2id
]
answer_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in answer_entity_ids
])
#if fp is not None:
# fp.write(str(answer_entities)+"\t"+answer_entity_names+"\t")
if FLAGS.verbose_logging:
print('Answer Entities')
tf.logging.info('Answer Entities')
print(answer_entities)
print(answer_entity_names)
tf.logging.info(answer_entity_names)
passage_entity_ids = [
int(self.data.ent2id[x]) for x in passage_entities
if x in self.data.ent2id
]
passage_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in passage_entity_ids
])
if FLAGS.verbose_logging:
print('Passage Entities')
tf.logging.info('Passage Entities')
print(passage_entity_names)
tf.logging.info(passage_entity_names)
freq_dict = {
x: question_entity_ids.count(x)
for x in question_entity_ids
}
extracted_paths, num_hops = csr_get_all_paths(question_entity_ids,
self.data.adj_mat_t_csr,
answer_entity_ids,
self.data.rel_dict,
k_hop=FLAGS.k_hop)
augmented_facts = self.get_all_path_augmented_facts(
extracted_paths, self.data.entity_names)
if FLAGS.verbose_logging:
print('All path Extracted facts: ')
print(str(augmented_facts))
tf.logging.info('All path Extracted facts: ')
tf.logging.info(str(augmented_facts))
print("Num hops: " + str(num_hops))
return augmented_facts, num_hops
class ApproximatePageRank(object):
"""APR main lib which is used to wrap functions around ppr algo."""
def __init__(self,
mode=None,
task_id=None,
shard_id=None,
question_id=None,
apr_path=None):
self.data = CsrData()
apr_path = FLAGS.apr_files_dir if apr_path is None else apr_path
self.data.load_csr_data(full_wiki=FLAGS.full_wiki,
files_dir=apr_path,
mode=mode,
task_id=task_id,
shard_id=shard_id,
question_id=question_id)
self.high_freq_relations = {
'P31': 'instance of',
'P17': 'country',
'P131': 'located in the administrative territorial entity',
'P106': 'occupation',
'P21': 'sex or gender',
'P735': 'given name',
'P27': 'country of citizenship',
'P19': 'place of birth'
}
# self.relations_to_filter = json.load('relations_to_filter.json')
def get_khop_entities(self, seeds, k_hop):
print("id2ent size: %d", len(self.data.id2ent))
entity_ids = [
int(self.data.ent2id[x]) for x in seeds if x in self.data.ent2id
]
khop_entity_ids = csr_get_k_hop_entities(entity_ids,
self.data.adj_mat_t_csr,
k_hop)
khop_entities = [
self.data.id2ent[str(x)] for x in khop_entity_ids
if str(x) in self.data.id2ent.keys()
]
return khop_entities
def get_khop_facts(self, seeds, k_hop):
seeds = list(set(seeds))
#print("id2ent size: %d", len(self.data.id2ent))
entity_ids = [
int(self.data.ent2id[x]) for x in seeds if x in self.data.ent2id
]
khop_entity_ids, khop_facts = csr_get_k_hop_facts(
entity_ids, self.data.adj_mat_t_csr, self.data.rel_dict, k_hop)
khop_entities = [
self.data.id2ent[str(x)] for x in khop_entity_ids
if str(x) in self.data.id2ent.keys()
]
khop_facts = [((self.data.id2ent[str(s)],
self.data.entity_names['e'][str(s)]['name']),
(self.data.id2rel[r],
self.data.entity_names['r'][str(r)]['name']),
(self.data.id2ent[str(o)],
self.data.entity_names['e'][str(o)]['name']))
for (s, r, o) in khop_facts]
return khop_entities, khop_facts
def get_topk_extracted_ent(self, seeds, alpha, topk):
"""Extract topk entities given seeds.
Args:
seeds: An Ex1 vector with weight on every seed entity
alpha: probability for PPR
topk: max top entities to extract
Returns:
extracted_ents: list of selected entities
extracted_scores: list of scores of selected entities
"""
#tf.logging.info('Start ppr')
ppr_scores = csr_personalized_pagerank(seeds, self.data.adj_mat_t_csr,
alpha, self.data.entity_names)
#tf.logging.info('End ppr')
sorted_idx = np.argsort(ppr_scores)[::-1]
extracted_ents = sorted_idx[:topk]
extracted_scores = ppr_scores[sorted_idx[:topk]]
# Check for really low values
# Get idx of First value < 1e-6, limit extracted ents till there
zero_idx = np.where(ppr_scores[extracted_ents] < 1e-6)[0]
if zero_idx.shape[0] > 0:
extracted_ents = extracted_ents[:zero_idx[0]]
return extracted_ents, extracted_scores
def get_facts(self, entities, topk, alpha, seed_weighting=True):
"""Get subgraph describing a neighbourhood around given entities.
Args:
entities: A list of Wikidata entities
topk: Max entities to extract from PPR
alpha: Node probability for PPR
seed_weighting: Boolean for performing weighting seeds by freq in passage
Returns:
unique_facts: A list of unique facts around the seeds.
"""
if FLAGS.verbose_logging:
print('Getting subgraph')
tf.logging.info('Getting subgraph')
entity_ids = [
int(self.data.ent2id[x]) for x in entities if x in self.data.ent2id
]
if FLAGS.verbose_logging:
print(
str([
self.data.entity_names['e'][str(x)]['name']
for x in entity_ids
]))
tf.logging.info(
str([
self.data.entity_names['e'][str(x)]['name']
for x in entity_ids
]))
freq_dict = {x: entity_ids.count(x) for x in entity_ids}
seed = np.zeros((self.data.adj_mat_t_csr.shape[0], 1))
if not seed_weighting:
seed[entity_ids] = 1. / len(set(entity_ids))
else:
for x, y in freq_dict.items():
seed[x] = y
seed = seed / seed.sum()
extracted_ents, extracted_scores = self.get_topk_extracted_ent(
seed, alpha, topk)
if FLAGS.verbose_logging:
print('Extracted Ents')
tf.logging.info('Extracted ents: ')
tf.logging.info(
str([
self.data.entity_names['e'][str(x)]['name']
for x in extracted_ents
]))
print(
str([(self.data.entity_names['e'][str(x)]['name'],
extracted_scores[idx])
for idx, x in enumerate(extracted_ents)][0:15]))
facts = csr_topk_fact_extractor(self.data.adj_mat_t_csr,
self.data.rel_dict, freq_dict,
self.data.entity_names, extracted_ents,
extracted_scores)
if FLAGS.verbose_logging:
#print('Extracted facts: ')
#print(str(facts))
tf.logging.info('Extracted facts: ')
tf.logging.info(str(facts))
# Extract 1 unique fact per pair of entities (fact with highest score)
# Sort by scores
unique_facts = {}
for (sub, obj, rel, score) in facts:
fwd_dir = (sub, obj, rel)
rev_dir = (obj, sub, rel)
if sub[1] == obj[1]: #No self-links
continue
#fwd_dir = (sub[1], obj[1])
#rev_dir = (obj[1], sub[1])
if fwd_dir in unique_facts:
if score > unique_facts[fwd_dir][1]:
unique_facts[fwd_dir] = (rel, score)
else:
continue
elif rev_dir in unique_facts:
if score > unique_facts[rev_dir][1]:
unique_facts[fwd_dir] = (rel, score)
del unique_facts[rev_dir] # Remove existing entity pair
else:
continue
else:
unique_facts[fwd_dir] = (rel, score)
unique_facts = list(unique_facts.items())
return unique_facts
def get_random_facts(self, entities, topk, alpha, seed_weighting=True):
"""Get random subgraph
Args:
entities: A list of Wikidata entities
topk: Max entities to extract from PPR
alpha: Node probability for PPR
seed_weighting: Boolean for performing weighting seeds by freq in passage
Returns:
unique_facts: A list of unique random facts around the seeds.
"""
#ent_ids = list(self.data.entity_names['e'].keys())
ent_ids = [i for i in range(self.data.adj_mat_t_csr.shape[0])]
extracted_ents = random.sample(ent_ids, 500) # This doesn't work :(
freq_dict = {}
for i in extracted_ents:
freq_dict[i] = 1
extracted_scores = [1] * len(extracted_ents)
facts = csr_topk_fact_extractor(self.data.adj_mat_t_csr,
self.data.rel_dict, freq_dict,
self.data.entity_names, extracted_ents,
extracted_scores)
if FLAGS.verbose_logging:
tf.logging.info('Extracted facts: ')
tf.logging.info(str(facts))
# Extract 1 unique fact per pair of entities (fact with highest score)
# Sort by scores
unique_facts = {}
for (sub, obj, rel, score) in facts:
fwd_dir = (sub, obj)
rev_dir = (obj, sub)
if fwd_dir in unique_facts and score > unique_facts[fwd_dir][1]:
unique_facts[fwd_dir] = (rel, score)
elif rev_dir in unique_facts and score > unique_facts[rev_dir][1]:
unique_facts[fwd_dir] = (rel, score)
del unique_facts[rev_dir] # Remove existing entity pair
else:
unique_facts[(sub, obj)] = (rel, score)
unique_facts = list(unique_facts.items())
return unique_facts
def get_random_facts_of_question(self,
question_entities,
answer_entities,
passage_entities,
seed_weighting=True,
fp=None):
if FLAGS.verbose_logging:
print('Getting subgraph')
tf.logging.info('Getting subgraph')
question_entity_ids = [
int(self.data.ent2id[x]) for x in question_entities
if x in self.data.ent2id
]
random_facts = csr_get_random_facts_of_question(
question_entity_ids, self.data.adj_mat_t_csr, answer_entities,
self.data.rel_dict)
if FLAGS.num_facts_limit > 0:
random_facts = random_facts[0:FLAGS.num_facts_limit]
augmented_facts = self.get_augmented_facts(random_facts,
self.data.entity_names)
return augmented_facts
def get_augmented_facts(self, path, entity_names, augmentation_type=None):
augmented_path = []
for single_path in path:
single_path = single_path[1:]
for (obj_id, rel_id, subj_id) in reversed(single_path):
if obj_id == subj_id:
continue
subj_name = entity_names['e'][str(subj_id)]['name']
obj_name = entity_names['e'][str(
obj_id)]['name'] if str(obj_id) != 'None' else 'None'
rel_name = entity_names['r'][str(
rel_id)]['name'] if str(rel_id) != 'None' else 'None'
augmented_path.append(
(((subj_id, subj_name), (obj_id, obj_name)),
((rel_id, rel_name), None)))
return augmented_path
def get_all_path_augmented_facts(self,
path,
entity_names,
augmentation_type=None):
augmented_path = []
for single_path in path:
tmp_path = []
single_path = single_path[1:]
for (obj_id, rel_id, subj_id) in reversed(single_path):
if obj_id == subj_id:
continue
subj_name = entity_names['e'][str(subj_id)]['name']
obj_name = entity_names['e'][str(
obj_id)]['name'] if str(obj_id) != 'None' else 'None'
rel_name = entity_names['r'][str(
rel_id)]['name'] if str(rel_id) != 'None' else 'None'
tmp_path.append((((subj_id, subj_name), (obj_id, obj_name)),
((rel_id, rel_name), None)))
augmented_path.append(tmp_path)
return augmented_path
def get_shortest_path_facts(self,
question_entities,
answer_entities,
passage_entities,
seed_weighting=True,
fp=None,
seperate_diff_paths=False,
filter_relations=False):
"""Get subgraph describing shortest path from question to answer.
Args:
question_entities: A list of Wikidata entities
answer_entities: A list of Wikidata entities
passage_entities: A list of Wikidata entities
Returns:
unique_facts: A list of unique facts representing the shortest path.
"""
if FLAGS.verbose_logging:
print('Getting subgraph')
tf.logging.info('Getting subgraph')
question_entity_ids = [
int(self.data.ent2id[x]) for x in question_entities
if x in self.data.ent2id
]
question_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in question_entity_ids
])
#if fp is not None:
# fp.write(str(question_entities)+"\t"+question_entity_names+"\t")
if FLAGS.verbose_logging:
print('Question Entities')
tf.logging.info('Question Entities')
print(question_entities)
print(question_entity_names)
tf.logging.info(question_entity_names)
answer_entity_ids = [
int(self.data.ent2id[x]) for x in answer_entities
if x in self.data.ent2id
]
answer_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in answer_entity_ids
])
#if fp is not None:
# fp.write(str(answer_entities)+"\t"+answer_entity_names+"\t")
if FLAGS.verbose_logging:
print('Answer Entities')
tf.logging.info('Answer Entities')
print(answer_entities)
print(answer_entity_names)
tf.logging.info(answer_entity_names)
passage_entity_ids = [
int(self.data.ent2id[x]) for x in passage_entities
if x in self.data.ent2id
]
passage_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in passage_entity_ids
])
if FLAGS.verbose_logging:
print('Passage Entities')
tf.logging.info('Passage Entities')
print(passage_entity_names)
tf.logging.info(passage_entity_names)
freq_dict = {
x: question_entity_ids.count(x)
for x in question_entity_ids
}
extracted_paths, num_hops = csr_get_shortest_path(
question_entity_ids,
self.data.adj_mat_t_csr,
answer_entity_ids,
self.data.rel_dict,
k_hop=FLAGS.k_hop,
filter_relations=filter_relations,
relations_to_filter=self.data.relations_to_filter,
id2rel=self.data.id2rel)
if seperate_diff_paths:
augmented_facts = self.get_all_path_augmented_facts(
extracted_paths, self.data.entity_names)
else:
augmented_facts = self.get_augmented_facts(extracted_paths,
self.data.entity_names)
if FLAGS.verbose_logging:
print('Extracted facts: ')
print(str(augmented_facts))
tf.logging.info('Extracted facts: ')
tf.logging.info(str(augmented_facts))
print("Num hops: " + str(num_hops))
return augmented_facts, num_hops
def get_question_links(self,
question_entities,
answer_entities,
passage_entities,
seed_weighting=True,
fp=None,
seperate_diff_paths=False,
filter_relations=False):
"""Get subgraph describing shortest path from question to answer.
Args:
question_entities: A list of Wikidata entities
answer_entities: A list of Wikidata entities
passage_entities: A list of Wikidata entities
Returns:
unique_facts: A list of unique facts representing the shortest path.
"""
if FLAGS.verbose_logging:
print('Getting subgraph')
tf.logging.info('Getting subgraph')
question_entity_ids = [
int(self.data.ent2id[x]) for x in question_entities
if x in self.data.ent2id
]
question_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in question_entity_ids
])
#if fp is not None:
# fp.write(str(question_entities)+"\t"+question_entity_names+"\t")
if FLAGS.verbose_logging:
print('Question Entities')
tf.logging.info('Question Entities')
print(question_entities)
print(question_entity_names)
tf.logging.info(question_entity_names)
answer_entity_ids = [
int(self.data.ent2id[x]) for x in answer_entities
if x in self.data.ent2id
]
answer_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in answer_entity_ids
])
#if fp is not None:
# fp.write(str(answer_entities)+"\t"+answer_entity_names+"\t")
if FLAGS.verbose_logging:
print('Answer Entities')
tf.logging.info('Answer Entities')
print(answer_entities)
print(answer_entity_names)
tf.logging.info(answer_entity_names)
passage_entity_ids = [
int(self.data.ent2id[x]) for x in passage_entities
if x in self.data.ent2id
]
passage_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in passage_entity_ids
])
if FLAGS.verbose_logging:
print('Passage Entities')
tf.logging.info('Passage Entities')
print(passage_entity_names)
tf.logging.info(passage_entity_names)
freq_dict = {
x: question_entity_ids.count(x)
for x in question_entity_ids
}
extracted_facts, relations = csr_get_question_links(
question_entity_ids,
self.data.adj_mat_t_csr,
answer_entity_ids,
self.data.rel_dict,
filter_relations=filter_relations,
relations_to_filter=self.data.relations_to_filter,
id2rel=self.data.id2rel)
augmented_facts = []
relations = []
for (subj_id, rel_id, obj_id) in extracted_facts:
if obj_id == subj_id:
continue
subj_name = self.data.entity_names['e'][str(subj_id)]['name']
obj_name = self.data.entity_names['e'][str(
obj_id)]['name'] if str(obj_id) != 'None' else 'None'
rel_name = self.data.entity_names['r'][str(
rel_id)]['name'] if str(rel_id) != 'None' else 'None'
augmented_facts.append((((subj_id, subj_name), (obj_id, obj_name)),
((rel_id, rel_name), None)))
rel_kb_id = self.data.id2rel[rel_id]
relations.append((rel_id, rel_name))
if FLAGS.verbose_logging:
print('Extracted facts: ')
print(str(augmented_facts))
tf.logging.info('Extracted facts: ')
tf.logging.info(str(augmented_facts))
return augmented_facts, relations
def get_question_to_passage_facts(self,
question_entities,
answer_entities,
passage_entities,
seed_weighting=True,
fp=None):
"""Get subgraph describing shortest path from question to answer.
Args:
question_entities: A list of Wikidata entities
answer_entities: A list of Wikidata entities
passage_entities: A list of Wikidata entities
Returns:
unique_facts: A list of unique facts representing the shortest path.
"""
if FLAGS.verbose_logging:
print('Getting subgraph')
tf.logging.info('Getting subgraph')
question_entity_ids = [
int(self.data.ent2id[x]) for x in question_entities
if x in self.data.ent2id
]
question_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in question_entity_ids
])
#if fp is not None:
# fp.write(str(question_entities)+"\t"+question_entity_names+"\t")
if FLAGS.verbose_logging:
print('Question Entities')
tf.logging.info('Question Entities')
print(question_entities)
print(question_entity_names)
tf.logging.info(question_entity_names)
answer_entity_ids = [
int(self.data.ent2id[x]) for x in answer_entities
if x in self.data.ent2id
]
answer_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in answer_entity_ids
])
#if fp is not None:
# fp.write(str(answer_entities)+"\t"+answer_entity_names+"\t")
if FLAGS.verbose_logging:
print('Answer Entities')
tf.logging.info('Answer Entities')
print(answer_entities)
print(answer_entity_names)
tf.logging.info(answer_entity_names)
passage_entity_ids = [
int(self.data.ent2id[x]) for x in passage_entities
if x in self.data.ent2id
]
passage_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in passage_entity_ids
])
if FLAGS.verbose_logging:
print('Passage Entities')
tf.logging.info('Passage Entities')
print(passage_entity_names)
tf.logging.info(passage_entity_names)
freq_dict = {
x: question_entity_ids.count(x)
for x in question_entity_ids
}
extracted_paths, num_hops = csr_get_all_paths(question_entity_ids,
self.data.adj_mat_t_csr,
passage_entity_ids,
self.data.rel_dict,
k_hop=FLAGS.k_hop)
augmented_facts = self.get_all_path_augmented_facts(
extracted_paths, self.data.entity_names)
if FLAGS.verbose_logging:
print('All path Extracted facts: ')
print(str(augmented_facts))
tf.logging.info('All path Extracted facts: ')
tf.logging.info(str(augmented_facts))
print("Num hops: " + str(num_hops))
return augmented_facts, num_hops
def get_all_path_facts(self,
question_entities,
answer_entities,
passage_entities,
seed_weighting=True,
fp=None):
"""Get subgraph describing shortest path from question to answer.
Args:
question_entities: A list of Wikidata entities
answer_entities: A list of Wikidata entities
passage_entities: A list of Wikidata entities
Returns:
unique_facts: A list of unique facts representing the shortest path.
"""
if FLAGS.verbose_logging:
print('Getting subgraph')
tf.logging.info('Getting subgraph')
question_entity_ids = [
int(self.data.ent2id[x]) for x in question_entities
if x in self.data.ent2id
]
question_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in question_entity_ids
])
#if fp is not None:
# fp.write(str(question_entities)+"\t"+question_entity_names+"\t")
if FLAGS.verbose_logging:
print('Question Entities')
tf.logging.info('Question Entities')
print(question_entities)
print(question_entity_names)
tf.logging.info(question_entity_names)
answer_entity_ids = [
int(self.data.ent2id[x]) for x in answer_entities
if x in self.data.ent2id
]
answer_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in answer_entity_ids
])
#if fp is not None:
# fp.write(str(answer_entities)+"\t"+answer_entity_names+"\t")
if FLAGS.verbose_logging:
print('Answer Entities')
tf.logging.info('Answer Entities')
print(answer_entities)
print(answer_entity_names)
tf.logging.info(answer_entity_names)
passage_entity_ids = [
int(self.data.ent2id[x]) for x in passage_entities
if x in self.data.ent2id
]
passage_entity_names = str([
self.data.entity_names['e'][str(x)]['name']
for x in passage_entity_ids
])
if FLAGS.verbose_logging:
print('Passage Entities')
tf.logging.info('Passage Entities')
print(passage_entity_names)
tf.logging.info(passage_entity_names)
freq_dict = {
x: question_entity_ids.count(x)
for x in question_entity_ids
}
extracted_paths, num_hops = csr_get_all_paths(question_entity_ids,
self.data.adj_mat_t_csr,
answer_entity_ids,
self.data.rel_dict,
k_hop=FLAGS.k_hop)
augmented_facts = self.get_all_path_augmented_facts(
extracted_paths, self.data.entity_names)
if FLAGS.verbose_logging:
print('All path Extracted facts: ')
print(str(augmented_facts))
tf.logging.info('All path Extracted facts: ')
tf.logging.info(str(augmented_facts))
print("Num hops: " + str(num_hops))
return augmented_facts, num_hops