def decode(trig_dict, arg_dict, vocab):
"""
Largely copy-pasted from what happens in dygie.
"""
ignore = ["loss", "decoded_events"]
trigs = fields_to_batches(
{k: v.detach().cpu()
for k, v in trig_dict.items() if k not in ignore})
args = fields_to_batches(
{k: v.detach().cpu()
for k, v in arg_dict.items() if k not in ignore})
res = []
# Collect predictions for each sentence in minibatch.
for trig, arg in zip(trigs, args):
decoded_trig = decode_trigger(trig, vocab)
decoded_args, decoded_args_with_scores = decode_arguments(
arg, decoded_trig, vocab)
entry = dict(trigger_dict=decoded_trig,
argument_dict=decoded_args,
argument_dict_with_scores=decoded_args_with_scores)
res.append(entry)
return res
def __init__(self, js):
self._doc_key = js["doc_key"]
entries = fields_to_batches(
js,
["doc_key", "clusters", "predicted_clusters", "section_starts"])
sentence_lengths = [len(entry["sentences"]) for entry in entries]
sentence_starts = np.cumsum(sentence_lengths)
sentence_starts = np.roll(sentence_starts, 1)
sentence_starts[0] = 0
self.sentence_starts = sentence_starts
self.sentences = [
Sentence(entry, sentence_start, sentence_ix)
for sentence_ix, (
entry,
sentence_start) in enumerate(zip(entries, sentence_starts))
]
if "clusters" in js:
self.clusters = [
Cluster(entry, i, self)
for i, entry in enumerate(js["clusters"])
]
if "predicted_clusters" in js:
self.predicted_clusters = [
Cluster(entry, i, self)
for i, entry in enumerate(js["predicted_clusters"])
]
def predict(self, output_dict, document):
"""
Take the output and convert it into a list of dicts. Each entry is a sentence. Each key is a
pair of span indices for that sentence, and each value is the relation label on that span
pair.
"""
# debatch output to sentence
outputs = fields_to_batches(
{k: v.detach().cpu()
for k, v in output_dict.items()})
prediction_dicts = []
predictions = []
# Collect predictions for each sentence in minibatch.
for output, sentence in zip(outputs, document):
decoded_trig = self._decode_trigger(output)
decoded_args = self._decode_arguments(output, decoded_trig)
predicted_events = self._assemble_predictions(
decoded_trig, decoded_args, sentence)
prediction_dicts.append({
"trigger_dict": decoded_trig,
"argument_dict": decoded_args
})
predictions.append(predicted_events)
return prediction_dicts, predictions
def from_json(cls, js):
"""
Read in from json-loaded dict.
:params js dict
return Document obj
"""
# check_fields
cls._check_fields(js)
doc_key = js["doc_key"]
dataset = js.get("dataset")
entries = fields_to_batches(
js,
["doc_key", "dataset", "clusters", "predicted_clusters", "weight"])
sentence_lengths = [len(entry["sentences"]) for entry in entries]
sentence_starts = np.cumsum(sentence_lengths)
sentence_starts = np.roll(sentence_starts, 1)
sentence_starts[0] = 0
sentence_starts = sentence_starts.tolist()
sentences = [
Sentence(entry, sentence_start, sentence_ix)
for sentence_ix, (
entry,
sentence_start) in enumerate(zip(entries, sentence_starts))
]
# Store cofereference annotations.
if "clusters" in js:
clusters = [
Cluster(entry, i, sentences, sentence_starts)
for i, entry in enumerate(js["clusters"])
]
else:
clusters = None
# TODO(dwadden) Need to treat predicted clusters differently and update sentences
# appropriately.
if "predicted_clusters" in js:
predicted_clusters = [
Cluster(entry, i, sentences, sentence_starts)
for i, entry in enumerate(js["predicted_clusters"])
]
else:
predicted_clusters = None
# Update the sentences with coreference cluster labels.
sentences = update_sentences_with_clusters(sentences, clusters)
# Get the loss weight for this document.
weight = js.get("weight", None)
return cls(doc_key, dataset, sentences, clusters, predicted_clusters,
weight)
def decode(self, output_dict):
"""
Take the output and convert it into a list of dicts. Each entry is a sentence. Each key is a
pair of span indices for that sentence, and each value is the relation label on that span
pair.
"""
outputs = fields_to_batches({k: v.detach().cpu() for k, v in output_dict.items()})
res = []
# Collect predictions for each sentence in minibatch.
for output in outputs:
decoded_trig = self._decode_trigger(output)
decoded_args, decoded_args_with_scores = self._decode_arguments(output, decoded_trig)
entry = dict(trigger_dict=decoded_trig, argument_dict=decoded_args,
argument_dict_with_scores=decoded_args_with_scores)
res.append(entry)
output_dict["decoded_events"] = res
return output_dict
