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Treat is a toolkit for natural language processing and computational linguistics in Ruby. It provides a common API for a number of gems and external libraries for document retrieval, parsing, annotation, and information extraction.

Current features

  • Text extractors for PDF, HTML, XML, Word, AbiWord, OpenOffice and image formats (Ocropus)
  • Text retrieval with indexation and full-text search (Ferret)
  • Text chunkers, sentence segmenters, tokenizers, and parsers for several languages (Stanford & Enju)
  • Word inflectors, including stemmers, conjugators, declensors, and number inflection
  • Lexical resources (WordNet interface, several POS taggers for English, Stanford taggers for several languages)
  • Language, date/time, topic words (LDA) and keyword (TF*IDF) extraction.
  • Simple text statistics (frequency, TF*IDF)
  • Serialization of annotated entities to YAML or XML format
  • Visualization in ASCII tree, directed graph (DOT) and tag-bracketed (standoff) formats
  • Linguistic resources, including full ISO-639-1 and ISO-639-2 support, and tag alignments for several treebanks


Resources


License

This software is released under the GPL License and includes software released under the GPL, Ruby, Apache 2.0 and MIT licenses.

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