05_​Neural_​Machine_​Translation

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Uses a character level encoder-decoder network of LSTMs.
The encoder network reads the input sentence character by character and summarizes the sentence in its state.
This state is then used as initial state of the decoder network to produce the translated sentence one character at a time.
During prediction, the decoder also recieves its previous output as input to the next time.
For training we use a technique called "teacher forcing" i.e. we feed the actual previous character instead of the previous prediction which greatly benefits the training.

This example is an adaptation of the following Keras blog post to KNIME:
https://blog.keras.io/a-ten-minute-introduction-to-sequence-to-sequence-learning-in-keras.html

In order to run the example, please make sure you have the following KNIME extensions installed:

* KNIME Deep Learning - Keras Integration (Labs)

You also need a local Python installation that includes Keras. Please refer to https://www.knime.com/deeplearning#keras for installation recommendations and further information.

Nodes

• Python Script (2⇒1)2 ×
• DL Python Network Creator1 ×
• DL Python Network Executor1 ×
• DL Python Network Learner1 ×
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Extensions

• FeatureKNIME Base nodes
• FeatureKNIME Deep Learning - Keras Integration
• FeatureKNIME JavaScript Views
• FeatureKNIME Javasnippet
• FeatureKNIME Python 2 Integration (legacy)

Links

• Sequence-to-sequence Keras blog

  blog.keras.io/a-ten-minute-introduction-to-sequence-to-sequence-learning-in-keras.html