RE: wrong BM25 implementation in Lucene

2006-10-26 Thread J.Zhu
[mailto:[EMAIL PROTECTED] Sent: 25 October 2006 16:01 To: java-dev Subject: wrong BM25 implementation in Lucene Hello, this is BM25 algorithm I implement in Lucene. it doen't work because I have compaired my results with the results of MG4J (with the same documents set) I don't know i

Re: wrong BM25 implementation in Lucene

2006-10-25 Thread Doron Cohen
One thing that may be causing problems is that "cooc" is not summing on the various cases that the "ignore case equality" holds. Since you are ignoring cases I assume the analyzer being used is not a lower casing one, so in this case if you have terms f:a and f:A you would get a count of 1 instead

wrong BM25 implementation in Lucene

2006-10-25 Thread beatriz ramos
Hello, this is BM25 algorithm I implement in Lucene. it doen't work because I have compaired my results with the results of MG4J (with the same documents set) I don't know if I have a wrong formule or there are another mistake Could you help me ? ---