Or you could use Lucene (either the native Java version or one of its many ports) and leave the information retrieval to the experts. Do you really want to imp

Or you could use Lucene (either the native Java version or one of its many ports) and leave the information retrieval to the experts. Do you really want to implement stemming, WordNet integration, etc. yourself? No, you don't, if you know what's good for you.