Return-Path: Delivered-To: apmail-lucene-java-user-archive@www.apache.org Received: (qmail 48631 invoked from network); 4 Mar 2009 13:10:22 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 4 Mar 2009 13:10:22 -0000 Received: (qmail 13577 invoked by uid 500); 4 Mar 2009 13:10:14 -0000 Delivered-To: apmail-lucene-java-user-archive@lucene.apache.org Received: (qmail 13552 invoked by uid 500); 4 Mar 2009 13:10:14 -0000 Mailing-List: contact java-user-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: java-user@lucene.apache.org Delivered-To: mailing list java-user@lucene.apache.org Received: (qmail 13541 invoked by uid 99); 4 Mar 2009 13:10:13 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 04 Mar 2009 05:10:13 -0800 X-ASF-Spam-Status: No, hits=1.2 required=10.0 tests=SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [74.125.92.27] (HELO qw-out-2122.google.com) (74.125.92.27) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 04 Mar 2009 13:10:05 +0000 Received: by qw-out-2122.google.com with SMTP id 5so2612647qwi.53 for ; Wed, 04 Mar 2009 05:09:44 -0800 (PST) Received: by 10.224.20.67 with SMTP id e3mr11543835qab.269.1236172184099; Wed, 04 Mar 2009 05:09:44 -0800 (PST) Received: from ?10.17.4.4? (pool-173-48-164-75.bstnma.fios.verizon.net [173.48.164.75]) by mx.google.com with ESMTPS id 5sm1319223qwg.54.2009.03.04.05.09.42 (version=TLSv1/SSLv3 cipher=RC4-MD5); Wed, 04 Mar 2009 05:09:43 -0800 (PST) Message-Id: From: Michael McCandless To: java-user@lucene.apache.org In-Reply-To: <9A1ECD84A8334D039270D1E8BD565F46@msrvcn04> Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v930.3) Subject: Re: relevance vs. score Date: Wed, 4 Mar 2009 08:09:41 -0500 References: <2A2FF2072BC7487681CDCA8A0BC1152B@msrvcn04> <9A1ECD84A8334D039270D1E8BD565F46@msrvcn04> X-Mailer: Apple Mail (2.930.3) X-Virus-Checked: Checked by ClamAV on apache.org It's the similarity scoring formula. EG see here: http://lucene.apache.org/java/2_4_0/scoring.html and here: http://lucene.apache.org/java/2_4_0/api/core/org/apache/lucene/search/Similarity.html Mike wrote: >> I think for "ordinary" Lucene queries, "score" and "relevance" mean >> the same thing. >> >> But if you do eg function queries, or you "mixin" recency into your >> scoring, etc., then "score" could be anything you computed, a value >> from a field, etc. > > Hm, how is relevance then defined? > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org > For additional commands, e-mail: java-user-help@lucene.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org For additional commands, e-mail: java-user-help@lucene.apache.org