Return-Path: X-Original-To: apmail-mahout-user-archive@www.apache.org Delivered-To: apmail-mahout-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 400309B6C for ; Sun, 1 Apr 2012 18:21:14 +0000 (UTC) Received: (qmail 6413 invoked by uid 500); 1 Apr 2012 18:21:12 -0000 Delivered-To: apmail-mahout-user-archive@mahout.apache.org Received: (qmail 6372 invoked by uid 500); 1 Apr 2012 18:21:12 -0000 Mailing-List: contact user-help@mahout.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@mahout.apache.org Delivered-To: mailing list user@mahout.apache.org Received: (qmail 6364 invoked by uid 99); 1 Apr 2012 18:21:12 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 01 Apr 2012 18:21:12 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of ted.dunning@gmail.com designates 209.85.210.43 as permitted sender) Received: from [209.85.210.43] (HELO mail-pz0-f43.google.com) (209.85.210.43) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 01 Apr 2012 18:21:03 +0000 Received: by dadn15 with SMTP id n15so1815388dad.30 for ; Sun, 01 Apr 2012 11:20:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=references:in-reply-to:mime-version:content-transfer-encoding :content-type:message-id:cc:x-mailer:from:subject:date:to; bh=lZOC4E1d9wwJKnvVX6KWfoLRh+ys+ZLXKk8lV0KqFvc=; b=NjIsz9HCmi4NRHWu+zdTLkCcJGjW/Q7SS1QXrEOCqN/ceN+hoBf+P0WHTv+hdNr2GO YCuN332uBODumCvzqfhYxGzVQm2MqHGqcDrPU7EuJeu3eyRaTSzMAFC/ht9gZzsZQuNA pCJ5TrEer9by0hetiRkE4s1QuxzOwyzdKCkKhwc4dD1Zz+/kWzltkpMuNV8+1+wSWap1 GQMn/UTinKvskOE4yJCUAgR626HPyUDTq1D1CxQ82IhpKQWqqVZjebCOYhtRVY+2aIeF 9gaZESst8Kq5bmywJNxBij8Wqd2aWPzxoEb5pzRnBLGcxFaDeL7jFXsSdvmGUaV9IFqR gDIA== Received: by 10.68.230.99 with SMTP id sx3mr14836684pbc.55.1333304442549; Sun, 01 Apr 2012 11:20:42 -0700 (PDT) Received: from [192.168.1.103] (c-67-160-196-149.hsd1.ca.comcast.net. [67.160.196.149]) by mx.google.com with ESMTPS id w10sm7522158pbk.30.2012.04.01.11.20.41 (version=TLSv1/SSLv3 cipher=OTHER); Sun, 01 Apr 2012 11:20:41 -0700 (PDT) References: In-Reply-To: Mime-Version: 1.0 (1.0) Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=us-ascii Message-Id: <3B364409-206E-4688-9690-65773B6B914D@gmail.com> Cc: "user@mahout.apache.org" X-Mailer: iPhone Mail (9A406) From: Ted Dunning Subject: Re: Any way Mahout overcome the data sparsity problem ? Date: Sun, 1 Apr 2012 11:20:29 -0700 To: "user@mahout.apache.org" Could you say a bit more about what you mean? Which data sparsity problem? Sent from my iPhone On Apr 1, 2012, at 6:35 AM, ziad kamel wrote: > Hi, > > Is there any ways that mahout CF can overcome the data sparsity problem? > > Thanks