Thanks for answer. Yes I'm up to field specific boosting, but also I'm looking for creating short descriptions on documents found, based on query (like it is done in most search engines). I've thought about those solutions but it seemed to me that it is not straightforward and will cause troubles when building results' description. On second thought answer was found - analyze document as stream and put terms into separate fields (or create duplicates) while maintaining original offsets in Token objects.
After that building description is quite simple - just using TermPositions in IndexReader and than getting corresponding text portion(s) from Field (sadly it'll work only in case of one "body" field - so only duplicates are usable, several Fields I think will require extra unindexed "body" Field to fetch document pieces fast). Hope I've not missed anything... Hm... not transparent, it is. :-) just hope it helps somebody else. > Erik Hatcher <[EMAIL PROTECTED]> > 21.01.2004 15:27 > Please respond to "Lucene Users List" > > To: "Lucene Users List" <[EMAIL PROTECTED]> > cc: > Subject: Re: HTML tagged terms boosting... > > > It definitely cannot be done with custom token types. You're probably > aiming for field-specific boosting, so you will need to parse the HTML > into separate fields and use a multi-field search approach. > > I'm sure there are other tricks that could be used for boosting, like > inserting the words inside <b> multiple times into the same field for > example. > > Erik > > > On Jan 21, 2004, at 6:50 AM, Alexey Maksakov wrote: > > > Hello! > > > > Is there any idea how to achieve boosting terms in HTML-documents > > surrounded > > by HTML tags, such as <B>, <H1>, etc.? > > > > Can it be done with use of existing API or reimplemeting or > > implementation > > of TokenStream with custom Token types is needed? > > > > Though it seems to me, that even such re-implementation won't help > > without > > changing indexing and searcher code... Hope that I'm wrong. > > > > Thanks in advance. > > > > Alexey. > > > > > > > > > > --------------------------------------------------------------------- > > 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]
