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corenlp

Clojure wrapper for Stanford CoreNLP tools. Currently very incomplete, only wraps the tokenizer, parser and dependencies.

Usage

TODO: document functionality apart from convenience functions

Tokenization

(use 'corenlp)
(def text "This is a simple sentence.")
(tokenize text)

Part-of-Speech Tagging

(use 'corenlp)
(pos-tag "Colorless green ideas sleep furiously.")
;; => ("JJ" "JJ" "NNS" "VBP" "RB" ".")

Lemmatization

(use 'corenlp)
(lemmatize "The men have four cars.")
;; => ("the" "man" "have" "four" "car" ".")

Named-Entity Recognition

(use 'corenlp)
(named-entities "Barack Obama is the president of the United States.")
;; => ("PERSON" "PERSON" "O" "O" "O" "O" "O" "LOCATION" "LOCATION" "O")

Parsing

To parse a sentence:

(use 'corenlp)
(parse (tokenize text))

You will get back a LabeledScoredTreeNode which you can plug in to other Stanford CoreNLP functions or can convert to a standard Treebank string with:

(str (parse (tokenize text)))

Stanford Dependencies

(dependency-graph "I like cheese.")

will parse the sentence and return the dependency graph as a loom graph, which you can then traverse with standard graph algorithms like shortest path, etc. You can also view it:

(def graph (dependency-graph "I like cheese."))
(use 'loom.io)
(view graph)

This requires GraphViz to be installed.

License

Copyright (C) 2011-2014 Contributors (Clojure code only)

Distributed under the Eclipse Public License, the same as Clojure.

Contributors

  • Cory Giles
  • Hans Engel