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authorGravatar A. Unique TensorFlower <gardener@tensorflow.org>2016-12-04 21:05:14 -0800
committerGravatar TensorFlower Gardener <gardener@tensorflow.org>2016-12-04 21:23:37 -0800
commit70a517936a16e95b5521ef2458fd35b23658f6bc (patch)
tree2e94944bbba8d0331f6079bc98f6e0d9fcca9e8d /tensorflow/g3doc/api_docs/python/functions_and_classes/shard4/tf.contrib.legacy_seq2seq.one2many_rnn_seq2seq.md
parentc5e21b06986d717f3fde68e3664ebc650d934377 (diff)
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+### `tf.contrib.legacy_seq2seq.one2many_rnn_seq2seq(encoder_inputs, decoder_inputs_dict, cell, num_encoder_symbols, num_decoder_symbols_dict, embedding_size, feed_previous=False, dtype=None, scope=None)` {#one2many_rnn_seq2seq}
+
+One-to-many RNN sequence-to-sequence model (multi-task).
+
+This is a multi-task sequence-to-sequence model with one encoder and multiple
+decoders. Reference to multi-task sequence-to-sequence learning can be found
+here: http://arxiv.org/abs/1511.06114
+
+##### Args:
+
+
+* <b>`encoder_inputs`</b>: A list of 1D int32 Tensors of shape [batch_size].
+* <b>`decoder_inputs_dict`</b>: A dictionany mapping decoder name (string) to
+ the corresponding decoder_inputs; each decoder_inputs is a list of 1D
+ Tensors of shape [batch_size]; num_decoders is defined as
+ len(decoder_inputs_dict).
+* <b>`cell`</b>: rnn_cell.RNNCell defining the cell function and size.
+* <b>`num_encoder_symbols`</b>: Integer; number of symbols on the encoder side.
+* <b>`num_decoder_symbols_dict`</b>: A dictionary mapping decoder name (string) to an
+ integer specifying number of symbols for the corresponding decoder;
+ len(num_decoder_symbols_dict) must be equal to num_decoders.
+* <b>`embedding_size`</b>: Integer, the length of the embedding vector for each symbol.
+* <b>`feed_previous`</b>: Boolean or scalar Boolean Tensor; if True, only the first of
+ decoder_inputs will be used (the "GO" symbol), and all other decoder
+ inputs will be taken from previous outputs (as in embedding_rnn_decoder).
+ If False, decoder_inputs are used as given (the standard decoder case).
+* <b>`dtype`</b>: The dtype of the initial state for both the encoder and encoder
+ rnn cells (default: tf.float32).
+* <b>`scope`</b>: VariableScope for the created subgraph; defaults to
+ "one2many_rnn_seq2seq"
+
+##### Returns:
+
+ A tuple of the form (outputs_dict, state_dict), where:
+
+* <b>`outputs_dict`</b>: A mapping from decoder name (string) to a list of the same
+ length as decoder_inputs_dict[name]; each element in the list is a 2D
+ Tensors with shape [batch_size x num_decoder_symbol_list[name]]
+ containing the generated outputs.
+* <b>`state_dict`</b>: A mapping from decoder name (string) to the final state of the
+ corresponding decoder RNN; it is a 2D Tensor of shape
+ [batch_size x cell.state_size].
+