Changing preferences is very common in real life. The expressive power of the operations of preference change introduced so far in the literature is limited to adding new informat...
We address the problem of transferring information learned from experiments to a different environment, in which only passive observations can be collected. We introduce a formal ...
In this position paper we discuss the role of geographical metaphors as tools for representing, organizing and accessing heterogeneous shared information, typical of the Web 2.0. ...
The goal of this paper is to develop methods to handle inconsistent knowledge elicited from multiple sources. Knowledge is represented using predicates that define relationships w...
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...