Computer scienceData scienceNLPNLP metricsText similarity metrics

The overview of text similarity metrics

Word Movers Distance

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What is true about the Word Movers Distance (WMD)?

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WMD uses bag-of-words representation.

Sentence with no common words but similar in meaning will be close according to WMD.

WMD uses word embeddings such as the Word2Vec representation.

Normalisation for WMD is weighting each distance according to the number of texts.

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