Thanks for the replies. I think I will leave this thing for now because I don't have much time and it doesn't look very easy to me at the moment. Maybe I'll save it to the future.
Martin > Payloads are used to set boosts for tokens. Have a look at the > PayloadTermQuery. There is a patch for support in Solr, but it isn't > committed yet. > > -Grant > > On Apr 15, 2010, at 8:46 AM, m...@gjgt.sk wrote: > >> Yes, I considered creating own analyzer with a set of filters. Trouble >> is, >> that I wouldn't be able to set different boosts for the tokens created >> by >> the filters(filters need to create additional token to the input one and >> set a lower boost for it), which is kind of crucial funcionality. Even >> the >> tokenizer at the beginning of the process needs to set different boosts >> to >> different tokens produced. As far as I know, it is possible to set >> boosts >> only to Fields though. >> This is now more of a discussion for the Lucene lists, I guess. >> >> Thanks for the replies anyway. >> >> Martin >> >>> (perhaps more appropriate on solr-user@) >>> >>> It sounds like you want to make a MathML filter? Check out the >>> analyzer packages... >>> >>> http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters >>> >>> simple example: >>> https://svn.apache.org/repos/asf/lucene/dev/trunk/solr/src/java/org/apache/solr/analysis/LengthFilterFactory.java >>> >>> ryan >>> >>> >>> 2010/4/14 <m...@gjgt.sk>: >>>> Hello everybody, >>>> >>>> I'm new to all this so I hope this isn't too noob a question and that >>>> it >>>> isn't very inappropriate here. >>>> >>>> I'm currently working on a indexing/searching application based on >>>> Apache >>>> Lucene core, that can process mathematical formulae in MathML format >>>> (which is extension to XML) and store it in the index for searching. >>>> No >>>> troubles here, since I'm making everything above Lucene. >>>> >>>> But I started to think it would be nice to write this mathematical >>>> extension so it could be incorporated into Solr as easy as possible in >>>> the >>>> future. The thing is I looked into Solr's sources and I'm all confused >>>> to >>>> be honest and don't know which way to do this. >>>> >>>> Basic workflow of the whole math processing would be: >>>> Check the input document for any math->if found, mathematical unit >>>> needs >>>> to process it and produce many string-represented formulae with >>>> different >>>> boosts->put these into index not tokenized furthermore. >>>> >>>> That's about it. >>>> Any ideas? Any help will be appreciated. >>>> >>>> Thank you >>>> >>>> Martin >>>> >>>> >>> >> >> > > -------------------------- > Grant Ingersoll > http://www.lucidimagination.com/ > > Search the Lucene ecosystem using Solr/Lucene: > http://www.lucidimagination.com/search >
