Virtual extension: Information seeking: Convergence of search, recommendations, and advertisingHector Garcia-MolinaGeorgia Koutrikaet al.2011CACM
A Survey on representation, composition and application of preferences in database systemsKostas StefanidisGeorgia Koutrikaet al.2011ACM TODS
Précis: From unstructured keywords as queries to structured databases as answersAlkis SimitsisGeorgia Koutrikaet al.2007VLDB Journal