@article { dolog-ijiis2009,
	title = {Relaxing RDF Queries based on User and Domain Preferences},
	journal = {Journal of Intelligent Information Systems},
	year = {2009},
	note = {published online},
	URL = {http://dx.doi.org/10.1007/s10844-008-0070-7},
	author = {Peter Dolog and Heiner Stuckenschmidt and Holger Wache and Jörg Diedrich}
}