Domenico Beneventano Sonia Bergamaschi Stefania Bruschi Francesco Guerra Mirko Orsini Maurizio Vincini Instances Navigation for Querying Integrated Data from Web-Sites. 125-137 2006 conf/webist/2006sp WEBIST (Selected Papers) http://dx.doi.org/10.1007/978-3-540-74063-6_10 db/conf/webist/webist2006sp.html#BeneventanoBBGOV06a