Chris, I'm not sure if Solr by itself can really do this (easily and/or well). Have a look at http://sematext.com/products/key-phrase-extractor/index.html which can do exactly that, but without Solr. Some of the highlighted bits refer to trending topics, though not using exactly that terminology.
Otis ---- Performance Monitoring for Solr / ElasticSearch / HBase - http://sematext.com/spm >________________________________ > From: Chris Dawson <xrdaw...@gmail.com> >To: solr-user@lucene.apache.org >Sent: Thursday, August 2, 2012 11:34 AM >Subject: Trending topics? > >How would I generate a list of trending topics using solr? > >Chris > > >
