Benson, If I remember well, the big big problem is that there's all sorts of recalibration of the scores based on the query. Therefore having it in one go is really nice.
I am not sure the different similarity can be put together well here though... paul Le 14 avr. 2012 à 18:58, Benson Margulies a écrit : > On Sat, Apr 14, 2012 at 12:37 PM, Paul Libbrecht <p...@hoplahup.net> wrote: >> Benson, >> >> it was in the Lucene world in May 2010: >> >> http://mail-archives.apache.org/mod_mbox/lucene-java-user/201005.mbox/%3c469705.48901...@web29016.mail.ird.yahoo.com%3E >> Mark Harwood pointed me to a "FlagQuery" which was exactly what I needed. >> His contribution sounds not to have been taken up, it worked for me in >> Lucene, 2.4.1. >> We used this to create an auto-completion popup which selected the right >> language by flagging the right sub-query that was most matched. > > Paul, it seems to me that the criticism in the JIRA (do you really > want this calculation for every single document that matches?) applies > to me. In our stuff, we run a query, and we look at the top 200 items, > rearranging their order based on a name similarity metric that is too > expensive to run in bulk. If the overall query is 'just us', we can > discard the Lucene scores and reorder based on our own. If our query > is combined with other terms, then we need to subtract out the > contribution our part of the initial query. However, sending in a > second query with (I suppose) ids=id1,id2,... and just our query, to > retrieve the scores, should be pretty speedy for a mere 200 items. > Maybe I'm missing some even easier way, given a DocList and a query, > to obtain scores for those docs for that query? > >> >> paul >> >> Le 14 avr. 2012 à 15:34, Benson Margulies a écrit : >> >>> yes please >>> >>> On Apr 14, 2012, at 2:40 AM, Paul Libbrecht <p...@hoplahup.net> wrote: >>> >>>> Benson, >>>> In mid 2009, I has such a question answered with a nifty score bitwise >>>> manipulation, and a little precision loss. For each result I could pick >>>> the language of a multilingual match. >>>> If interested, I can dig. >>>> Paul >>>> -- >>>> Envoyé de mon téléphone Android avec K-9 Mail. Excusez la brièveté. >>>> >>>> >>>> Benson Margulies <bimargul...@gmail.com> a écrit : >>>> >>>> Given a query including a subquery, is there any way for me to learn >>>> that subquery's contribution to the overall document score? >>>> >>>> I can provide 'why on earth would anyone ...' if someone wants to know. >>>> >>
