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Deep Learning with Theano

You're reading from   Deep Learning with Theano Perform large-scale numerical and scientific computations efficiently

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Product type Paperback
Published in Jul 2017
Publisher Packt
ISBN-13 9781786465825
Length 300 pages
Edition 1st Edition
Tools
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Author (1):
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Christopher Bourez Christopher Bourez
Author Profile Icon Christopher Bourez
Christopher Bourez
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Table of Contents (15) Chapters Close

Preface 1. Theano Basics FREE CHAPTER 2. Classifying Handwritten Digits with a Feedforward Network 3. Encoding Word into Vector 4. Generating Text with a Recurrent Neural Net 5. Analyzing Sentiment with a Bidirectional LSTM 6. Locating with Spatial Transformer Networks 7. Classifying Images with Residual Networks 8. Translating and Explaining with Encoding – decoding Networks 9. Selecting Relevant Inputs or Memories with the Mechanism of Attention 10. Predicting Times Sequences with Advanced RNN 11. Learning from the Environment with Reinforcement 12. Learning Features with Unsupervised Generative Networks 13. Extending Deep Learning with Theano Index

Seq2seq for translation


Sequence-to-sequence (Seq2seq) networks have their first application in language translation.

A translation task has been designed for the conferences of the Association for Computational Linguistics (ACL), with a dataset, WMT16, composed of translations of news in different languages. The purpose of this dataset is to evaluate new translation systems or techniques. We'll use the German-English dataset.

  1. First, preprocess the data:

    python 0-preprocess_translations.py --srcfile data/src-train.txt --targetfile data/targ-train.txt --srcvalfile data/src-val.txt --targetvalfile data/targ-val.txt --outputfile data/demo
    First pass through data to get vocab...
    Number of sentences in training: 10000
    Number of sentences in valid: 2819
    Source vocab size: Original = 24995, Pruned = 24999
    Target vocab size: Original = 35816, Pruned = 35820
    (2819, 2819)
    Saved 2819 sentences (dropped 181 due to length/unk filter)
    (10000, 10000)
    Saved 10000 sentences (dropped 0 due to length/unk filter...
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