I might mention that, if you're converting your query to spans anyway, you could avoid running it twice (once over the document set, another time for highlighting) by using it as a main query and recording the spans as you go along. I'm not sure this is better, but it's what XTF uses.
--Martin On 11/13/05, Erik Hatcher <[EMAIL PROTECTED]> wrote: > > On 13 Nov 2005, at 16:34, Jason Calabrese wrote: > > Adding Span and Phrase support tot the highlighter is something > > that we've > > been needing in my project for a while. > > > > Would adding support for spans also add support for phrases? > > The idea is to modify Highlighter to utilize the SpanQuery > capability, via getSpans(), to produce the regions that match. This > requires that all queries, except BooleanQuery, be converted to an > equivalent SpanQuery. It's pretty simple to convert a PhraseQuery to > a SpanQuery, and Mark's SpanExtractor does this very thing. (note > that a PhraseQuery and SpanNearQuery have some edge cases where they > are not entirely equivalent, when slop is involved). So yes, if the > Highlighter supports SpanQuery's, it would be possible to highlight > phrases accurately. > > Erik > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > >
