CRF++ is a simple, customizable, and open source
implementation of Conditional Random Fields (CRFs)
for segmenting/labeling sequential data. CRF++ is
designed for generic purpose and will be applied to
a variety of NLP tasks, such as Named Entity Recognition,
Information Extraction and Text Chunking.

WWW: http://chasen.org/~taku/software/CRF++/
