see http://lucene.apache.org/java/2_4_0/api/org/apache/lucene/search/Similarity.html
On 27 September 2011 16:04, Mark <static.void....@gmail.com> wrote: > I thought that a similarity class will only affect the scoring of a single > field.. not across multiple fields? Can anyone else chime in with some > input? Thanks. > > On 9/26/11 9:02 PM, Otis Gospodnetic wrote: >> >> Hi Mark, >> >> Eh, I don't have Lucene/Solr source code handy, but I *think* for that >> you'd need to write custom Lucene similarity. >> >> Otis >> ---- >> Sematext :: http://sematext.com/ :: Solr - Lucene - Nutch >> Lucene ecosystem search :: http://search-lucene.com/ >> >> >>> ________________________________ >>> From: Mark<static.void....@gmail.com> >>> To: solr-user@lucene.apache.org >>> Sent: Monday, September 26, 2011 8:12 PM >>> Subject: Searching multiple fields >>> >>> I have a use case where I would like to search across two fields but I do >>> not want to weight a document that has a match in both fields higher than a >>> document that has a match in only 1 field. >>> >>> For example. >>> >>> Document 1 >>> - Field A: "Foo Bar" >>> - Field B: "Foo Baz" >>> >>> Document 2 >>> - Field A: "Foo Blarg" >>> - Field B: "Something else" >>> >>> Now when I search for "Foo" I would like document 1 and 2 to be similarly >>> scored however document 1 will be scored much higher in this use case >>> because it matches in both fields. I could create a third field and use >>> copyField directive to search across that but I was wondering if there is an >>> alternative way. It would be nice if we could search across some sort of >>> "virtual field" that will use both underlying fields but not actually >>> increase the size of the index. >>> >>> Thanks >>> >>> >>> >
