fix bug: bidirectional

LICENSE.txt

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seq2seq/README.md → README.md

@@ -1,11 +1,10 @@
-OpenNMT seq2seq model
-==========================
+LSTM encoder-decoder seq2seq model
+==================================
 
-This project is an implementation of the [OpenNMT sequence-to-sequence model](http://opennmt.net/Models/) in MxNet. The OpenNMT model is based on:
+This project is an implementation of a simple encoder-decoder seq2seq model in MxNet. The OpenNMT model is based on:
 
 - a stacked LSTM encoder
 - a stacked LSTM decoder
-- an attention model
 
 The reference model configuration is:
 
@@ -38,8 +37,12 @@ How to run the scripts?
 Credits
 -------
 
-Thanks to Eric Xie (@piiswrong) for the attention cell implementation.
+Many thanks to Eric Xie (@piiswrong), Sheng Zha (@szha) and Antti-Pekka Hynninen (@ap-hynninen) for valuable input.
 
+License
+-------
+
+This project is licensed under the Apache 2.0 license. See the text of the license [here](https://github.com/mkolod/mxnet_seq2seq/blob/master/LICENSE.txt).
 
 > **Note:**
 

get_opennmt_data.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+DATA_DIR_ROOT="./data"
+DATA_DIR="${DATA_DIR_ROOT}/wmt15-de-en"
+
+mkdir -p ${DATA_DIR}
+
+pushd . > /dev/null
+
+cd ${DATA_DIR_ROOT}
+
+echo -e "\nDownloading dataset"
+
+wget https://s3.amazonaws.com/opennmt-trainingdata/wmt15-de-en.tgz
+
+echo -e "\nDecompressing dataset\n"
+
+tar xvf wmt15-de-en.tgz
+
+echo -e "\nConcatenating corpora"
+
+cd wmt15-de-en
+
+# concatenate corpora - note concatenation has to be in 
+# the same order for both languages
+
+# we will split this into training and validation sets
+cat commoncrawl.de-en.de europarl-v7.de-en.de news-commentary-v10.de-en.de > train.de
+# the test set already officially exists
+mv newstest2013.de valid.de
+
+wget -O test.de https://nlp.stanford.edu/projects/nmt/data/wmt14.en-de/newstest2014.de 
+
+# do the same thing to English corpora
+
+cat commoncrawl.de-en.en europarl-v7.de-en.en news-commentary-v10.de-en.en > train.en
+mv newstest2013.en valid.en
+
+wget -O test.en https://nlp.stanford.edu/projects/nmt/data/wmt14.en-de/newstest2014.en
+
+popd > /dev/null
+
+echo -e "\nData download complete\n"