Cassandra is a distributed storage system for managing very large amounts of structured data spread out across many commodity servers, while providing highly available service wit...
MPEG-4 which is currently being developed by MPEG (Moving Pictures Experts Group), is poised to become a standard for supporting current and emerging interactive multimedia applic...
A Private Information Retrieval (PIR) protocol allows a database user, or client, to obtain information from a data- base in a manner that prevents the database from knowing which...
In this paper, we formalize the novel concept of Constrained Reverse k-Nearest Neighbor (CRkNN) search on mobile objects (clients) performed at a central server. The CRkNN query c...
Replication and caching mechanisms are often employed to enhance the performance of Web applications. In this article, we present a qualitative and quantitative analysis of state-...