Riffing off of last years... Could use a little more meat, IMO, but I don't think my brain is on yet.
<snip> Apache Lucene is a robust and powerful, open source, search toolkit that powers search and discovery in thousands of applications and websites ranging from very well known corporations to startups creating next generation intelligent applications. Whether it’s embedding Lucene on a mobile app or leveraging the power and simplicity of Apache Solr’s search and faceting capabilities or the large scale crawling features of Nutch, chances are Lucene has a solution to meet your needs. The Lucene Track at ApacheCon will feature a full slate of training, talks and networking on the entire Lucene ecosystem. A wide range of talks will cover both the technical details and the business aspects of Lucene. Networking events will help connect you with the creators of all the Lucene projects as well as other users. </snip>
