Thanks Mike, I'll leave it a few days to give people time to respond then start looking into creating a Jira ticket and a patch.
2009/4/7 Michael McCandless <luc...@mikemccandless.com>: > I don't have direct experience with MLT, but this sounds like a great > improvement, so in answer to (3) I would say "definitely!". > > Mike > > On Tue, Apr 7, 2009 at 2:28 AM, Richard Marr <richard.m...@gmail.com> wrote: >> Hi all, >> >> I've been exploring MoreLikeThisQuery as part of a recent project and >> something that came out of that might be useful to others here. >> >> I found that using MoreLikeThisQuery could be quite slow for my use >> case, but that most of the time involved was spent looking up term >> frequencies to calculate weightings. Since those term frequencies >> usually don't need to be anywhere near real-time I found that caching >> them in a hashmap had a very good cost/benefit ratio for my >> application, speeding up MLT queries by an order of magnitude. >> >> My use case was possibly unusual in that I was looking at a limited >> vocabulary rather than full English, but in theory other applications >> that make use of the MLT class could benefit. >> >> So at this point I have some questions: (1) Have others experienced >> similar performance characteristics for MLT code? (2) Am I missing >> some fatal flaw in this approach? (3) Are the modifications worth >> sharing? >> >> Cheers, >> >> Rich >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-dev-unsubscr...@lucene.apache.org >> For additional commands, e-mail: java-dev-h...@lucene.apache.org >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-dev-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-dev-h...@lucene.apache.org > > -- Richard Marr richard.m...@gmail.com 07976 910 515 --------------------------------------------------------------------- To unsubscribe, e-mail: java-dev-unsubscr...@lucene.apache.org For additional commands, e-mail: java-dev-h...@lucene.apache.org
