Re: boosting unexpired documents

2010-01-29 Thread Wangsheng Mei
1/29 Andy > Ah, thank you! > > > > --- On Fri, 1/29/10, Lance Norskog wrote: > > > From: Lance Norskog > > Subject: Re: boosting unexpired documents > > To: solr-user@lucene.apache.org > > Date: Friday, January 29, 2010, 12:32 AM > > You add a ran

Re: boosting unexpired documents

2010-01-28 Thread Andy
Ah, thank you! --- On Fri, 1/29/10, Lance Norskog wrote: > From: Lance Norskog > Subject: Re: boosting unexpired documents > To: solr-user@lucene.apache.org > Date: Friday, January 29, 2010, 12:32 AM > You add a range query on the date, > and boost documents within that &

Re: boosting unexpired documents

2010-01-28 Thread Lance Norskog
You add a range query on the date, and boost documents within that date range. Check out the 'boost query' feature of dismax. http://www.lucidimagination.com/search/document/CDRG_ch07_7.4.2.9 It's also possible with the standard query parser but a pain in the neck: (value)^2 OR (NOT value)

boosting unexpired documents

2010-01-28 Thread Andy
My documents have a field "expiration" that is the expiration date of that doc. I want to give a boost to all documents that haven't expired. I still want to have expired documents returned, but unexpired documents should be given priority. Ideally the boost amount for all unexpired documents