Databases are increasingly being used to store information covered by heterogeneous policies, which require support for access control with great flexibility. This has led to incr...
The need to merge different versions of an object toa common state arises in collaborative computing due to several reasons including optimistic concurrency control, asynchronous ...
Abstract. In open scenarios, where servers may receive requests to access their services from possibly unknown clients, access control is typically based on the evaluation of (cert...
Claudio Agostino Ardagna, Sabrina De Capitani di V...
Complex multimedia queries, aiming to retrieve from large databases those objects that best match the query specification, are usually processed by splitting them into a set of m ...
Ilaria Bartolini, Paolo Ciaccia, Vincent Oria, M. ...
Abstract. In recent years, the rapid development of network infrastructure and the spread of terminals capable of network access have made it possible to access networks at any pla...