To make random results i'd use something related to dates and milliseconds, not boosting. lemme think about this...
2011/8/16 Ahmet Arslan <iori...@yahoo.com> > > This might seem odd, but is it possible to use boost with > > random ordering? > > That is, documents that get boosted are more likely to > > appear towards the > > top of the ordering (I only display page 1, say 30 > > documents). Does that > > make sense? I'm assuming that random ordering is, well, > > really random - so > > then it's not possible. But I figured I'd ask. > > > > My problem is that I want to display a random assortment of > > documents, but > > unfortunately certain types of documents far outnumber > > other types. So a > > "random" assortment ends up with 50% type A, 50% type B, C, > > D, E, F. So, I > > was thinking I would essentially "boost" types B, C, D, E, > > F until all types > > are approximately evenly represented in the random > > assortment. (Or > > alternatively, if the user has an affinity for type B > > documents, further > > boost type B documents so that they're more likely to be > > represented than > > other types). > > > > Anyone know if there's a way to do something like this in > > Solr? > > Sounds like you want to achieve diversity of results. > > Consider using http://wiki.apache.org/solr/FieldCollapsing > > Alternatively you can make use of RandomSortField with function queries. > > http://lucene.apache.org/solr/api/org/apache/solr/schema/RandomSortField.html > -- *Alexei Martchenko* | *CEO* | Superdownloads ale...@superdownloads.com.br | ale...@martchenko.com.br | (11) 5083.1018/5080.3535/5080.3533
