Microsoft® TerraServer stores aerial, satellite, and topographic images of the earth in a SQL database available via the Internet. It is the world’s largest online atlas, combi...
Abstract. Database applications are frequently faced with the necessity of representing time varying information and, particularly in the management of information systems, a few k...
Graph-structured databases and related problems such as reachability query processing have been increasingly relevant to many applications such as XML databases, biological databas...
Abstract. Although XML is the dominant standard for publishing and exchanging data for Internet-based business applications, data is typically stored in relational or object-relati...
We propose an approach for the selective enforcement of access control restrictions in, possibly distributed, large data collections based on two basic concepts: i) flexible autho...
Sabrina De Capitani di Vimercati, Sara Foresti, Su...