A major problem of unstructured P2P systems is their heavy network traffic. This is caused mainly by high numbers of query answers, many of which are irrelevant for users. One solu...
We argue that joint administration of access policies for a dynamic coalition formed by autonomous domains requires that these domains set up a coalition authority that distribute...
Inlined Reference Monitor (IRM) is an established enforcement mechanism for history-based access control policies. IRM enforcement injects monitoring code into the binary of an un...
We study the problem of continuous monitoring of top-k queries over multiple non-synchronized streams. Assuming a sliding window model, this general problem has been a well addres...
Sequential and simultaneous auctions are two important mechanisms for buying/selling multiple objects. These two mechanisms yield different outcomes (i.e., different revenues and a...