Return-Path: Delivered-To: apmail-lucene-java-user-archive@www.apache.org Received: (qmail 56122 invoked from network); 10 Mar 2005 14:25:31 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (209.237.227.199) by minotaur-2.apache.org with SMTP; 10 Mar 2005 14:25:31 -0000 Received: (qmail 78358 invoked by uid 500); 10 Mar 2005 14:25:25 -0000 Delivered-To: apmail-lucene-java-user-archive@lucene.apache.org Received: (qmail 78204 invoked by uid 500); 10 Mar 2005 14:25:24 -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 78190 invoked by uid 99); 10 Mar 2005 14:25:24 -0000 X-ASF-Spam-Status: No, hits=0.4 required=10.0 tests=DNS_FROM_RFC_ABUSE,RCVD_BY_IP,SPF_HELO_PASS,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (hermes.apache.org: domain of n.maisonneuve@gmail.com designates 64.233.170.203 as permitted sender) Received: from rproxy.gmail.com (HELO rproxy.gmail.com) (64.233.170.203) by apache.org (qpsmtpd/0.28) with ESMTP; Thu, 10 Mar 2005 06:25:24 -0800 Received: by rproxy.gmail.com with SMTP id 1so288296rny for ; Thu, 10 Mar 2005 06:25:22 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:mime-version:content-type:content-transfer-encoding; b=jKYn4FPHWM5lbhvz8mtGpovqUWsuQmhvzdzUuYVw1KDedwoStrkJwsTSnBC1BrpFrbDKDMZ6mTGrEQLccxg7EN9I5c+MDBdbtcZGdl35LXRSVT4YO3tED1BvBnQFyyI3rYvmplKM7rvpcE9sW5F8mdcZe1tWa7+dNCYXyx4W3sw= Received: by 10.38.179.2 with SMTP id b2mr638471rnf; Thu, 10 Mar 2005 06:25:22 -0800 (PST) Received: by 10.38.8.67 with HTTP; Thu, 10 Mar 2005 06:25:22 -0800 (PST) Message-ID: <7b87034105031006257fd212b@mail.gmail.com> Date: Thu, 10 Mar 2005 15:25:22 +0100 From: Nicolas Maisonneuve Reply-To: Nicolas Maisonneuve To: java-user@lucene.apache.org Subject: problem for the adataption of a xml ranking model Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked X-Spam-Rating: minotaur-2.apache.org 1.6.2 0/1000/N Hy, I'm trying to adapte a xml ranking model for lucene. For the moment i'm just playing with the leaf node i.e. a node containing data. For lucene, this node is a a search field and the idf is replaced by ief (inversed element frequency) ief= log (NumDoc_e)/(NumDoc_e_t+1) +1 NumDoc_e_t = number of doc with element e containing the term t. NumDoc_e_t=docFreq(new Term(e, t)) NumDoc_e = number of documents with the element el ( = number of documents with some values in the search field el ) How do you compute the numDoc_e with the lucene API ?. thanks, nicolas maisonneuve --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org For additional commands, e-mail: java-user-help@lucene.apache.org