Lucene contains a complete set of Boolean query operators, and it uses the vector space model to determine scores for relevance ranking. It's fast. It works.
Chuck > -----Original Message----- > From: John Wang [mailto:[EMAIL PROTECTED] > Sent: Wednesday, December 08, 2004 7:13 PM > To: Lucene Users List; Nicolas Maisonneuve > Subject: Re: Lucene Vs Ixiasoft > > I thought Lucene implements the Boolean model. > > -John > > > On Thu, 9 Dec 2004 00:19:21 +0100, Nicolas Maisonneuve > <[EMAIL PROTECTED]> wrote: > > hi, > > think first of the relevance of the model in this 2 search engine for > > XML document retrieval. > > > > Lucene is classic fulltext search engine using the vector space > > model. this model is efficient for indexing no structred document > > (like plain text file ) and not made for structured document like XML. > > there is a XML demo of lucene sandbox but it's not really very > > efficient because it doesn't take advantage of the document strucutre > > in the indexing and the ranking model, so it lose semantic information > > and relevance. > > > > i don't know Ixiasoft, check the information to see how it index and > > rank XML document. > > > > nicolas > > > > On Wed, 8 Dec 2004 14:20:45 -0500, Praveen Peddi > > > > > > <[EMAIL PROTECTED]> wrote: > > > Does anyone know about Ixiasoft server. Its a xml repository/search > engine. If anyone knows about it, does he/she also know how it is > compared to Lucene? Which is fast? > > > > > > Praveen > > > ************************************************************** > > > Praveen Peddi > > > Sr Software Engg, Context Media, Inc. > > > email:[EMAIL PROTECTED] > > > Tel: 401.854.3475 > > > Fax: 401.861.3596 > > > web: http://www.contextmedia.com > > > ************************************************************** > > > Context Media- "The Leader in Enterprise Content Integration" > > > > > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
