Learning to Rank in Solr
At Lucene/Solr Revolution 2015 Michael Nilsson and Diego Ceccarelli from Bloomberg gave a presentation on how Bloomberg uses search and how they improved document ranking in Solr. They covered how machine learning greatly helps in a ranking project. They also talk about their Solr plugin for learning to rank and give a short code walk-through as well as an in depth explanation of how it works.
Learn more: https://activate-conf.com/