Bubbling up newer records

Question

Hi,

Is it possible to bubble up newer records in lucene search results? ie.I want Lucene to give a higher score to records which are closer to today's date.

Thanks!

Answer 1

I have only used Lucene through Solr, but it has great support arbitrary document boosted according to a user-supplied function.

In your case, I'd use something like:

recip(rord(created_when),1,1000,500)

As a boost function. I realise this doesn't answer your specifically Lucene question, but if you can do it with a Solr QueryHandler, you can definitely do it in a Lucene app!