Ya. Earlier we were sorting only. But sorting didn't always result in optimal ranking as it completely ignores Lucene score. We do not want that. We want a combination of different features, and not necessarily sorting by one field values.
Pratyush Michael McCandless-2 wrote: > > > Can you simply sort by that string field? (Which also uses FieldCache > under the hood to get the values). > > Mike > > On Feb 12, 2009, at 3:46 PM, [email protected] wrote: > >> >> I guess I could use, String[] s = >> ExtendedFieldCache.EXT_DEFAULT.getStrings(reader, fieldname); >> It will consume memory but should not be that bad. For my index this >> field >> has sortable string value which I could use in my model. I only need >> to do >> this for one field. Comment ? >> >> Pratyush >> >> Michael McCandless-2 wrote: >>> >>> >>> [You'd probably get more responses on java-user@ instead of gene...@] >>> >>> Could you use per-field boost? >>> >>> Or, since it sounds like you have a separate field with the boost you >>> want, >>> maybe you could do this all at search time using a function query? >>> >>> An advanced possibility is to make your own indexing chain, and use a >>> different >>> NormsWriter, but that's an extremely big hammer to pull out for this >>> nail. >>> >>> Mike >>> >>> [email protected] wrote: >>> >>>> >>>> Hi >>>> How can I set my own norm value during indexing time. From my quick >>>> reading >>>> of code, I believe that norm values are written by NormsWriter class >>>> which >>>> is called from final class DocumentsWriter. Norm values are set by >>>> calling >>>> org.apache.lucene.search.Similarity#lengthNorm(String fieldName, int >>>> numTokens). But I need to set the norm using the field value which >>>> is a >>>> float number. I will be using this norm for my retrieval model. I >>>> cannot use >>>> document.setBoost(), as i need to boost the fields differently. >>>> >>>> thanks >>>> Pratyush >>>> -- >>>> View this message in context: >>>> http://www.nabble.com/Modify-Norm-tp21959177p21959177.html >>>> Sent from the Lucene - General mailing list archive at Nabble.com. >>>> >>> >>> >>> >> >> -- >> View this message in context: >> http://www.nabble.com/Modify-Norm-tp21959177p21984666.html >> Sent from the Lucene - General mailing list archive at Nabble.com. >> > > > -- View this message in context: http://www.nabble.com/Modify-Norm-tp21959177p21987878.html Sent from the Lucene - General mailing list archive at Nabble.com.
