== latest version of d2rq ==
http://d2rqupdate.cs.technion.ac.il/tutorial

also needed: jsqlparser (http://jsqlparser.sourceforge.net/home.php)

and  [http://www.jgrapht.org/ JGraphT] from http://www.jgrapht.org/

http://sw.cs.technion.ac.il/d2rq/tutorial