spaCy/examples/paddle/sentiment_bilstm/networks.py

20 lines
699 B
Python

from paddle.trainer_config_helpers import *
def bidirectional_lstm_net(input_dim,
class_dim=2,
emb_dim=128,
lstm_dim=128,
is_predict=False):
data = data_layer("word", input_dim)
emb = embedding_layer(input=data, size=emb_dim)
bi_lstm = bidirectional_lstm(input=emb, size=lstm_dim)
dropout = dropout_layer(input=bi_lstm, dropout_rate=0.5)
output = fc_layer(input=dropout, size=class_dim, act=SoftmaxActivation())
if not is_predict:
lbl = data_layer("label", 1)
outputs(classification_cost(input=output, label=lbl))
else:
outputs(output)