Return-Path: Delivered-To: apmail-lucene-mahout-user-archive@minotaur.apache.org Received: (qmail 17927 invoked from network); 20 Jul 2009 13:49:50 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 20 Jul 2009 13:49:50 -0000 Received: (qmail 88014 invoked by uid 500); 20 Jul 2009 13:50:55 -0000 Delivered-To: apmail-lucene-mahout-user-archive@lucene.apache.org Received: (qmail 87958 invoked by uid 500); 20 Jul 2009 13:50:55 -0000 Mailing-List: contact mahout-user-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: mahout-user@lucene.apache.org Delivered-To: mailing list mahout-user@lucene.apache.org Received: (qmail 87948 invoked by uid 99); 20 Jul 2009 13:50:55 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 20 Jul 2009 13:50:55 +0000 X-ASF-Spam-Status: No, hits=2.2 required=10.0 tests=HTML_MESSAGE,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of layapatwa1003@gmail.com designates 209.85.220.225 as permitted sender) Received: from [209.85.220.225] (HELO mail-fx0-f225.google.com) (209.85.220.225) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 20 Jul 2009 13:50:47 +0000 Received: by fxm25 with SMTP id 25so1389189fxm.5 for ; Mon, 20 Jul 2009 06:50:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:date :x-google-sender-auth:message-id:subject:from:to:content-type; bh=2zJnCwfqflRXfsE6hvmoL8Bt8/frAI/Hhi5pQhpE3dM=; b=jw4yc0PSvc5vxDUTxaJHsQ4DyWORixrT4qTzePj/2PzEWrMat9NXD8LX7Cptqq1M9R oeWO7cd/Q1h9E7UStg4ZfwGI/wH8/Y3Bs0AjrJ58UXKaEDctcADzjGi4MpcMZxR8JSiL 7pSdL0IHDkmLyOifGDfpu1w2FwFSJwxPFeSw4= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:date:x-google-sender-auth:message-id:subject :from:to:content-type; b=YWAtcRFX0mT1kCM7I3plP4O75aK1fsiklR8BUpb7xsU57O896nMguarXetkM1qxD60 otq2Xx0F73qpNqaPYoveVKfnQ5o6pKwyWjhZPEMHXNlkhZQz71ZMq5L4bTGeVxETQnc2 EtliV9IrSkvXSUL3GYiWwntZB/PrPq8yt8jvY= MIME-Version: 1.0 Sender: layapatwa1003@gmail.com Received: by 10.204.60.194 with SMTP id q2mr4336981bkh.150.1248097826017; Mon, 20 Jul 2009 06:50:26 -0700 (PDT) Date: Mon, 20 Jul 2009 15:50:25 +0200 X-Google-Sender-Auth: f21b809219bcc580 Message-ID: Subject: recommendations for short profiles. From: Laya Patwa To: mahout-user@lucene.apache.org Content-Type: multipart/alternative; boundary=001636c5a6b890923f046f236baf X-Virus-Checked: Checked by ClamAV on apache.org --001636c5a6b890923f046f236baf Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Hello! I am using TanimotoCoefficientSimilarity to generate user based recommendations. It gives good results(recommendations) for users having considerable sized profiles but no recommendations or very less recommendations for users with very short profiles. I want to ask why the size of profile matter? Because I guess that user based recommendations are generated from the profiles of similar users and if there is a list of similar users then the asked number of recommendations should be generated irrespective of the size of the profile. Cheers, Laya --001636c5a6b890923f046f236baf--