About NLP.js

An NLP library for building bots, with entity extraction, sentiment analysis, automatic language identify, and so more.

NLP.js features

"NLP.js" is a general natural language utility for nodejs. Currently supporting:

  • Guess the language of a phrase
  • Fast Levenshtein distance of two strings
  • Search the best substring of a string with less Levenshtein distance to a given pattern.
  • Get stemmers and tokenizers for several languages.
  • Sentiment Analysis for phrases (with negation support).
  • Named Entity Recognition and management, multi-language support, and acceptance of similar strings, so the introduced text does not need to be exact.
  • Natural Language Processing Classifier, to classify an utterance into intents.
  • NLP Manager: a tool able to manage several languages, the Named Entities for each language, the utterances, and intents for the training of the classifier, and for a given utterance return the entity extraction, the intent classification and the sentiment analysis. Also, it is able to maintain a Natural Language Generation Manager for the answers.
  • 40 languages natively supported, 104 languages supported with BERT integration
  • Any other language is supported through tokenization, even fantasy languages

NLP.js screenshots

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