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Do pseudo-projective pre-processing for parser

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Matthew Honnibal 2017-05-21 17:53:38 -05:00
parent 1d5d9838a2
commit 1b5fa68996
1 changed files with 7 additions and 0 deletions
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7
spacy/syntax/nn_parser.pyx
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@ -435,6 +435,7 @@ cdef class Parser:
def begin_training(self, gold_tuples, **cfg):
if 'model' in cfg:
self.model = cfg['model']
gold_tuples = PseudoProjectivity.preprocess_training_data(gold_tuples)
actions = self.moves.get_actions(gold_parses=gold_tuples)
for action, labels in actions.items():
for label in labels:
@ -442,6 +443,12 @@ cdef class Parser:
if self.model is True:
self.model = self.Model(self.moves.n_moves, **cfg)
def preprocess_gold(self, docs_golds):
for doc, gold in docs_golds:
gold.heads, gold.labels = PseudoProjectivity.projectivize(
gold.heads, gold.labels)
yield doc, gold
def use_params(self, params):
# Can't decorate cdef class :(. Workaround.
with self.model[0].use_params(params):