一个基于PERL的语言处理工具包. 其中包含文本处理,词汇过滤及一个英语词汇词法处理工具(STEMMER),适用于处理一些基本的.TXT文件.

The Porter stemming algorithm (or ‘Porter stemmer’) is a process for removing the commoner morphological and inflexional endings from words in English. Its main use is as part of a term normalisation process that is usually done when setting up Infor

porter stemmer developed in matlab based on 1980 porter stemmer algorithm