@inproceedings{RecSys-2009-Schubert,
	author        = "Monika Schubert",
	booktitle     = "{Proceedings of the Third Conference on Recommender Systems}",
	doi           = "10.1145/1639714.1639801",
	isbn          = "978-1-60558-435-5",
	pages         = "409--412",
	publisher     = "{ACM}",
	title         = "{Personalized query relaxations and repairs in knowledge-based recommendation}",
	year          = 2009,
}