Return-Path: Delivered-To: apmail-lucene-java-user-archive@www.apache.org Received: (qmail 95081 invoked from network); 31 May 2010 08:48:57 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 31 May 2010 08:48:57 -0000 Received: (qmail 7567 invoked by uid 500); 31 May 2010 08:48:55 -0000 Delivered-To: apmail-lucene-java-user-archive@lucene.apache.org Received: (qmail 7393 invoked by uid 500); 31 May 2010 08:48:54 -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 7379 invoked by uid 99); 31 May 2010 08:48:54 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 31 May 2010 08:48:54 +0000 X-ASF-Spam-Status: No, hits=-0.4 required=10.0 tests=AWL,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of fancyerii@gmail.com designates 209.85.160.48 as permitted sender) Received: from [209.85.160.48] (HELO mail-pw0-f48.google.com) (209.85.160.48) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 31 May 2010 08:48:47 +0000 Received: by pwj10 with SMTP id 10so2406876pwj.35 for ; Mon, 31 May 2010 01:48:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:date:message-id :subject:from:to:content-type; bh=n/EQxwBe4tFcUW5dJQT5KMe/feZyrLZPSEKIrgDp3hs=; b=NelO/C3zhFSICzj+xMPsQoBslOk8gRMKW+89KnFDQTreswxJ0cjATFOmNdHf7P9L+P QLv18nKVeaKMk5EMEwBhYmR2tUX8kCLrFZW4oRsru8nuAACU0B+rtMrgvavUD6lNIPIV CLGKNHILhgJ/lTTaBrE4EDGnHoHaufb/MtZ0w= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=Cx3DNqRPwvg1NLARQl9npo65a1B87X62V6SYWRpbvlT6NmX23JfwreeJ38x7SU2/nL Bh7TNQQFRTQZDuzSmWbJ5rATc990NMFMrxh5KL4S/6hZLdYaz72hhQjnepWL3yTfcIe6 3fmSZDs11hEur5TVeJxS8aDLRLYs6nAJGorXc= MIME-Version: 1.0 Received: by 10.142.248.38 with SMTP id v38mr2747256wfh.246.1275295707251; Mon, 31 May 2010 01:48:27 -0700 (PDT) Received: by 10.142.191.18 with HTTP; Mon, 31 May 2010 01:48:27 -0700 (PDT) Date: Mon, 31 May 2010 16:48:27 +0800 Message-ID: Subject: Question about Field.setOmitTermFreqAndPositions(true) From: Li Li To: java-user@lucene.apache.org Content-Type: text/plain; charset=ISO-8859-1 I read in 'lucene in action" that to save space, we can omit termfreq and postion information. But as far as I know, lucene's default scoring model is vsm, which need tf(term,doc) to calcuate score. If there is no tf saved. Will the relevance score be correct? --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org For additional commands, e-mail: java-user-help@lucene.apache.org