SPARQL 1.1 Service Description publication history Date Status 21 March 2013 Recommendation 8 November 2012 Proposed Recommendation 5 January 2012 Last Call Working Draft 12 May 2011 Last Call Working Draft 14 October 2010 Working Draft 1 June 2010 Working Draft 26 January 2010 Working Draft 22 October 2009 Working Draft