Return-Path: Delivered-To: apmail-jakarta-lucene-dev-archive@apache.org Received: (qmail 99197 invoked from network); 10 Jul 2002 17:07:14 -0000 Received: from unknown (HELO nagoya.betaversion.org) (192.18.49.131) by daedalus.apache.org with SMTP; 10 Jul 2002 17:07:14 -0000 Received: (qmail 2410 invoked by uid 97); 10 Jul 2002 17:07:29 -0000 Delivered-To: qmlist-jakarta-archive-lucene-dev@jakarta.apache.org Received: (qmail 2385 invoked by uid 97); 10 Jul 2002 17:07:29 -0000 Mailing-List: contact lucene-dev-help@jakarta.apache.org; run by ezmlm Precedence: bulk List-Unsubscribe: List-Subscribe: List-Help: List-Post: List-Id: "Lucene Developers List" Reply-To: "Lucene Developers List" Delivered-To: mailing list lucene-dev@jakarta.apache.org Received: (qmail 2370 invoked by uid 98); 10 Jul 2002 17:07:28 -0000 X-Antivirus: nagoya (v4198 created Apr 24 2002) Message-ID: <3D2C69CE.9040608@apache.org> Date: Wed, 10 Jul 2002 13:07:26 -0400 From: "Andrew C. Oliver" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.0.0) Gecko/20020530 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Lucene Developers List Subject: Re: Interesting idea References: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Rating: daedalus.apache.org 1.6.2 0/1000/N X-Spam-Rating: daedalus.apache.org 1.6.2 0/1000/N +1 -- Doug is a great source of information on all things indexing related. Reading Doug's emails and articles is very educational. Jon Scott Stevens wrote: >on 7/10/02 9:35 AM, "Doug Cutting" wrote: > > > >>Nilsimsa appears to use what is called a "signature file" approach in >>the literature, while Lucene uses an "inverted file". A search on >>Google for "signature file versus inverted index" turns up a paper by >>Zobel et. al. which concludes: >> >> Our conclusions are unequivocal. For typical document indexing >> applications, current signature file techniques do not perform well >> compared to current implementations of inverted file indexes. >> >>See: http://www.cs.columbia.edu/~pirot/cs6111/Readings/zobel98.pdf >> >>Doug >> >> > >Wow! Great response Doug. =) Learn something new every day! > >-jon > > >-- >To unsubscribe, e-mail: >For additional commands, e-mail: > > > > -- To unsubscribe, e-mail: For additional commands, e-mail: