def get_sentence_pairs(self):
for pairs in prun_unordered(self.get_sentence_lookup(), initializer=SentenceLookup.initialize,
initargs=(self._ned_sql_file, self._sentence_subset),
processes=self._pairing_processes):
if WikipediaDataset.quit:
break
if pairs is None:
self._lookup_sem.release()
continue
for idx, row in pairs.iterrows():
if WikipediaDataset.quit:
break
yield row.id_a, row.id_b,\
json.loads(row.sen_a), json.loads(row.sen_b), \
row.pos_a, row.pos_b, \
row.end_a, row.end_b, \
row.label
self._lookup_sem.release()
del pairs
def get_sentence_lookup(self):
for entity_title, ranking in \
prun_unordered(self.get_random_lookup(), initializer=LookUpBySurface.initialize,
initargs=(self._entities_file, self._embeddings, self._n_trees, self._distance_measure,
self._entity_index_path, self._search_k, self._max_dist),
processes=self._lookup_processes):
if WikipediaDataset.quit:
break
ranking['rank']=ranking.index
good = ranking.loc[ranking.guessed_title == entity_title].copy()
bad = ranking.loc[ranking.guessed_title != entity_title].copy()
if len(good) == 0: # There aren't any hits ... skip.
logger.debug('0')
self._lookup_sem.release()
continue
# we want to have at least bad_count bad examples but also at most max_bad_count examples.
nbad = max(self._bad_count, min(self._max_bad_count, good['rank'].min()))
bad = bad.iloc[0:nbad]
yield SentenceLookup(good, bad)
del good
del bad
def get_features(self):
for features in prun_unordered(self.get_feature_tasks(), initializer=ConvertSamples2Features.initialize,
initargs=(self._tokenizer, self._max_seq_length), processes=10):
self._convert_sem.release()
if features is None:
continue
yield features
del features
def get_sentence_lookup(self):
for job_id, sentences, (entity_id, candidates) in \
prun_unordered(self.get_lookup(), initializer=LookUpByEmbeddings.initialize,
initargs=(self._entities_file, self._entity_types, self._n_trees, self._distance_measure,
self._entity_index_path, self._ned_sql_file),
processes=self._lookup_processes):
if len(candidates) == 0:
self._queue_sentences.add_to_job(job_id,
(sentences, entity_id, None))
else:
for idx in range(0, len(candidates)):
self._queue_sentences.add_to_job(
job_id, (sentences, entity_id, candidates.iloc[[idx]]))
self._queue_sentences.add_to_job(job_id, (sentences, None, None))
while True:
job_id, task_info, iter_quit = self._queue_sentences.get_next_task(
)
if iter_quit:
return
if task_info is None:
break
sentences, entity_id, candidates, params = task_info
if self._verbose:
print("get_sentence_lookup: {}:{}".format(
job_id, entity_id))
yield SentenceLookupWrapper(job_id,
entity_id,
sentences=sentences,
candidates=candidates,
max_pairs=self._max_pairs,
**params)
def get_lookup(self):
for job_id, entity_id, ent_type, sentences, (_, embedded, embedding_config) in \
prun_unordered(self.get_embed(), initializer=EmbedTask.initialize, initargs=(self._embeddings,),
processes=self._embed_processes):
self._queue_lookup.add_to_job(job_id,
(entity_id, ent_type, sentences))
while True:
job_id, task_info, iter_quit = self._queue_lookup.get_next_task(
)
if iter_quit:
return
if task_info is None:
break
entity_id, ent_type, sentences, params = task_info
if self._verbose:
print("get_lookup: {}:{}({})".format(
job_id, entity_id, params))
# return all the candidates - filtering is done below
yield LookUpByEmbeddingWrapper(
job_id,
entity_id,
sentences,
page_title=entity_id,
entity_embeddings=embedded,
embedding_config=embedding_config,
entity_title=entity_id,
entity_type=ent_type,
split_parts=self._split_parts,
**params)
