CRF详解，英文版，学习CRF的同学可以下载,CRF explain, in English, the students learn CRF can be downloaded

crf++-0.53.zip 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 N