自然语言处理领域的一个开发包，不是很大，结构设计很好。下载后需要将后缀改成.tgz然后解压缩。-natural language processing area of a development package, is not large, very good structural design. After downloading the need to change the suffix. Tgz then decompress.

一个简单的基于OpenNLP的命名实体识别系统，语料采用CoNLL-2002-A simple named entity recognition system based on OpenNLP corpus of CoNLL-2002