LucidWorks Announces Lucene Revolution 2013 by Paul Doscher, CEO of LucidWorks.
From the webpage:
LucidWorks, the trusted name in Search, Discovery and Analytics, today announced that Lucene Revolution 2013 will take place at The Westin San Diego on April 29 – May 2, 2013. Many of the brightest minds in open source search will convene at this 4th annual Lucene Revolution to discuss topics and trends driving the next generation of search. The conference will be preceded by two days of Apache Lucene, Solr and Big Data training.
BTW, the call for papers opened up on November 12, 2012, but you still have time left: http://lucenerevolution.org/2013/call-for-papers
Jan. 13, 2013: CFP closes
Feb 1, 2013: Speakers notified