Return-Path: X-Original-To: apmail-lucene-dev-archive@www.apache.org Delivered-To: apmail-lucene-dev-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id C6C978C4F for ; Thu, 1 Sep 2011 08:18:26 +0000 (UTC) Received: (qmail 13460 invoked by uid 500); 1 Sep 2011 08:18:25 -0000 Delivered-To: apmail-lucene-dev-archive@lucene.apache.org Received: (qmail 12870 invoked by uid 500); 1 Sep 2011 08:18:06 -0000 Mailing-List: contact dev-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: dev@lucene.apache.org Delivered-To: mailing list dev@lucene.apache.org Received: (qmail 12851 invoked by uid 99); 1 Sep 2011 08:17:59 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 01 Sep 2011 08:17:59 +0000 X-ASF-Spam-Status: No, hits=2.7 required=5.0 tests=FREEMAIL_FROM,HTML_MESSAGE,HTML_OBFUSCATE_10_20,RCVD_IN_DNSWL_LOW,SPF_PASS,T_TO_NO_BRKTS_FREEMAIL X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of fancyerii@gmail.com designates 74.125.82.176 as permitted sender) Received: from [74.125.82.176] (HELO mail-wy0-f176.google.com) (74.125.82.176) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 01 Sep 2011 08:17:51 +0000 Received: by wyg30 with SMTP id 30so1661751wyg.35 for ; Thu, 01 Sep 2011 01:17:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; bh=GvcFxK2jB9CkhlMTjqIFiWXhM0kJqkcxUc+jNDVkCvg=; b=ktcGxd5Yjnk5bR7sZP101miXd82V9IoChauRjMj9d1qO6qW1tzl464bAdhj1ixNG2H 2J6kVriKXl2HUvU8fxtTkuD2G8wQRsvlj4iWANOLtxC7AUY2qhr3qwvI0u6RX9s/Nu08 VFbsyPjMt5FQ0+iH0gUJn6gTMrZfwiabbD1a8= MIME-Version: 1.0 Received: by 10.216.160.134 with SMTP id u6mr604710wek.18.1314865051211; Thu, 01 Sep 2011 01:17:31 -0700 (PDT) Received: by 10.216.38.135 with HTTP; Thu, 1 Sep 2011 01:17:31 -0700 (PDT) Date: Thu, 1 Sep 2011 16:17:31 +0800 Message-ID: Subject: about flexing ranking module in lucene From: Li Li To: dev@lucene.apache.org Content-Type: multipart/alternative; boundary=0016e64986664e198304abdce05d X-Virus-Checked: Checked by ClamAV on apache.org --0016e64986664e198304abdce05d Content-Type: text/plain; charset=ISO-8859-1 hi all, In current lucene versions(2.x/3.x) , we can hardly modify the scoring of documents because originally lucene adopt the VSM model and "matching phase" and "ranking phase" are integrated. But In many situation, we usually use complicated boolean query to "filter out" unrelated documents and score them by complicated business logic. http://wiki.apache.org/lucene-java/SummerOfCode2011ProjectRanking seems interesting. what's the status of this branch? will it be included in lucene4 release? --0016e64986664e198304abdce05d Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable hi all,
=A0 =A0 In current lucene versions(2.x/3.x) , we can hardly mod= ify the scoring of documents because originally lucene adopt the VSM model = and "matching phase" and "ranking phase" are integrated= .
=A0 =A0 But In many situation, we usually use complicated boolean quer= y to "filter out" unrelated documents and score them by complicat= ed business logic.=A0
=A0 =A0=A0http://wiki.apache.org/lucene-= java/SummerOfCode2011ProjectRanking=A0seems interesting. what's the= status of this branch? will it be included in lucene4 release?=A0
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