自然语言处理NLP常用开源/免费工具

NLP常用开源/免费工具

（转载自水木社区NLP版）

*Computational Linguistics Toolbox

  CLT http://complingone.georgetown.edu/~linguist/compling.html

  GATE http://gate.ac.uk/

  Natural Language Toolkit(NLTK) http://nltk.org

  MALLET http://mallet.cs.umass.edu/index.php/Main_Page

*English Stemmer

  Snowball http://snowball.tartarus.org/

*English POS Tagger

  Stanford POS Tagger http://nlp.stanford.edu/software/tagger.shtml

  TreeTagger http://www.ims.uni-stuttgart.de/projekte/corplex/TreeTagger/

*English Parser

  Stanford Parser http://nlp.stanford.edu/software/lex-parser.shtml

  Berkeley Parser http://nlp.cs.berkeley.edu/Main.html#Parsing

*English Keyphrase Extractor

  KEA http://www.nzdl.org/Kea/index_old.html

*English Name Entity Recognizer

  Stanford NER http://nlp.stanford.edu/software/CRF-NER.shtml

*Chinese Word Segmentator

  中科院ICTCLAS http://www.nlp.org.cn/project/project.php?proj_id=6

  Stanford Word Segmenterhttp://nlp.stanford.edu/software/segmenter.shtml

*Topic Modeling Tools

  Matlab http://psiexp.ss.uci.edu/research/programs_data/toolbox.htm

*Machine Learning Methods

  CRF++  http://crfpp.sourceforge.net/

  LIBSVM http://www.csie.ntu.edu.tw/~cjlin/libsvm/

*Search Engines

  Lucene http://lucene.apache.org/

  中科院FirteX http://www.firtex.org/

*Data Mining Toolbox

  Weka http://www.cs.waikato.ac.nz/ml/weka/

from:　http://www.thuir.cn/cms/index.php?page=nlp