1. lucene.net: 

http://incubator.apache.org/lucene.net/ 

http://codeclimber.net.nz/archive/2009/08/27/how-to-get-started-with-lucene.net.aspx 

http://www.cnblogs.com/birdshover/category/152283.html

http://www.cnblogs.com/xrinehart/archive/2006/10/22/536378.html 

盘古分词，http://pangusegment.codeplex.com/、 http://www.cnblogs.com/eaglet/archive/2009/08/13/1545420.html