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I have sentences telling me to who a shop is opened to:

  • "cats, dogs or birds" (1)
  • "young dogs with collar" (2)
  • "old cats or yellow birds" (3) etc...

I would like to design an algorithm that will change this sentences to a tree representation of the logic in it:

  • (1) = (cat) or ((dog) or (bird))
  • (2) = (young) and (dog) and (collar)
  • (3) = ((cat) and (old)) or ((bird) and (yellow))

What do you think will work the best? LSTM maybe? How can I have this representation as a result?

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Syntaxnet parser could surely help you in parsing the sentences and in tree represenation.

If you plan on solving using RNNs, I believe Tree LSTM will be a better choice than LSTM, as it also preserves dependency information. Full paper.

Use Tree LSTM, if you need a vector embedding for the whole sentence. For use cases like classification, sentiment analysis. It works and there is a good probability that the vector could have all the information but you may not be certain and thats why its still a black box. But, if your use case is a clear representation of tree structure and logic among the terms (which you wanted), better go with parsers like Syntaxnet and try rule-based models for the use case mentioned.

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  • $\begingroup$ Thank you, I didn't know about Tree LSTM ! For my problem, Syntaxnet is a good approach indeed, I'll try it ! $\endgroup$
    – lrosique
    Aug 29, 2017 at 16:02

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