On Wednesday 17 November 2004 23:57, DES wrote: > Hi > > I need some kind of implementation of SVD (singular value decomposition) or > LSI with Lucene engine. Have anyone any ideas how to create a query table > for decomposition? The table must have documents as rows and terms as > columns, if a term is presented in the docuement, the corresponding field > contains "1" and a "0" if not. Then the SVD will be applied to this table,
From Lucene, with TermVector and field norm, one could use the term density instead of a presence bit. > and with first 2 columns docuemnts will be displayed in a 2D-space. > Does anyone work on a project like this? I don't know. Is there a good SVD package for Java? Regards, Paul Elschot --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
