On Tuesday 06 September 2005 08:52, markharw00d wrote: > >>I believe I have heard that Span queries provide some way to access > document offset information for their hits somehow. > > See http://marc.theaimsgroup.com/?l=lucene-user&m=112496111224218&w=2 > > Faithfully selecting extracts based *exactly* on query criteria will be > hard given complex queries eg with nested Boolean logic. > > The current highlighter matches based on ANY query terms found in the > provided doc text > The proposal above matches based on any spans/phrases/terms > > Both options still fail to take into account any boolean logic and show > the real basis for the match eg the query > (author:"Doug Cutting"AND title:"Lucene in Action") OR (author:Erik > AND author:Otis) > would still highlight references to "Doug Cutting" and "Lucene In > Action" for the LIA book, despite the fact that the match was actually > for Erik and Otis (the true authors). > For most people this is a problem they can live with.
The person who solves that might also write a SpanAndQuery :) Regards, Paul Elschot --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
