Hi I am not getting the replies to my inbox ...hence the delay in responding.
>>I think you misunderstand Eric's answer, as his suggestion does exactly what you ask for. Have you tried the "OR **field**:[20 TO 30]^10" method? Well, my question is partly answered with this clarification. But, I am still wondering how to do that programmatically. the (20-30) range is not a fixed range. Its chosen by the user. It can as well be (12-34) too. I am not able to figure out if there is any function in the searcher classs, which will enable me give these specifications ...something like... a setboost(), which exists during index time. S. On Fri, Jun 10, 2011 at 10:38 AM, Sowmya V.B. <vbsow...@gmail.com> wrote: > Hi Erick > > Thanks for the response. > > I would want the documents with values within #20-30# be ranked above the > documents with some other values. > Well, since there might be a case where there are no documents in that > range, I would also prefer to have other documents listed too, somewhere > lower down the rankings. > > Also, I don't want to do a simple sort on the results what lucene gives, > with its own ranking function. > I am looking for a possibility of boosting a given document at query-time, > based on the values of a particular field : instead of plainly sorting the > normal lucene results based on this field. > Is that possible, without going in to the scoring function? > > Sowmya. > > ************* > I take it from this that you want documents with values #outside# 20-30 > to still be found? In that case you can do something like add a clause > like: > > OR *field*:[20 TO 30]^10 > > or similar. > > Best > Erick > > On Thu, Jun 9, 2011 at 5:10 PM, Sowmya V.B. <vbsow...@gmail.com> wrote: > >> Hi All >> >> I have joined the group only today..and began working with lucene only >> recently. >> >> My problem: I want to boost the ranking of certain documents, based on the >> values of certain fields. >> >> For example, if the field has a range of values from 0 to 100 and the >> user chooses something like 20 to 30, as an option, along with the query; I >> want the documents which satisfy that condition (The field value being >> between 20 and 30) to get a boost during ranking. >> >> Is there a way to do that in Lucene? I could not find an understandable >> explanation in the past mails about this. Hence, starting a fresh thread. >> >> Sowmya. >> >> -- >> Sowmya V.B. >> ---------------------------------------------------- >> Losing optimism is blasphemy! >> http://vbsowmya.wordpress.com >> ---------------------------------------------------- >> > > > > -- > Sowmya V.B. > ---------------------------------------------------- > Losing optimism is blasphemy! > http://vbsowmya.wordpress.com > ---------------------------------------------------- > -- Sowmya V.B. ---------------------------------------------------- Losing optimism is blasphemy! http://vbsowmya.wordpress.com ----------------------------------------------------
