On Mon, Aug 27, 2012 at 8:31 PM, pranshu sharma <pran...@cis.upenn.edu> wrote: > Hi there, > > I had a question about migrating the coord value one level up. My current > query structure has a root BooleanQuery with a bunch of nested BooleanQuery > children: one of these looks for all terms in the query issued, and I want > to apply the coord factor for this BooleanQuery to all its siblings. The > idea here is to have the overall score reflect the number of tokens matched. > > For example, if the query is 'apple banana orange', my query structure > looks like this: > > BQ0 (root): coord = 1 > BQ1: (coord enabled) > BQ1a: +apple > BQ1b: +banana > BQ1c: +orange > BQ2: (coord = 1) > BQ2a: 'apple banana' > BQ2b: 'banana orange' > ... > > (BQ2 basically takes care of bigrams.) > > Now, if I have two documents that look like: > > Doc A: apple orange banana > Doc B: apple banana > > Doc A would get a higher overall score if the score from BQ2 is multiplied > with coord for BQ1 (=2/3), than if it wasn't. Could you recommend how I go > about implementing this idea?
I think you want to use BooleanQuery's disableCoord option for BQ2 and BQ0 ? -- lucidworks.com --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
