The Semantic Web is bound to be untrustworthy and inconsistent. In this paper, we present an initial approach for obtaining useful information in such an environment. In particular...
Traditional semantic web query languages support a logicbased access to the semantic web. They offer a retrieval (or reasoning) of data based on facts. On the traditional web and...
Query mapping to aggregation lattices is used in order to exploit sub-cube dependencies in multidimensional databases. It is employed in mobile OLAP dissemination systems, in order...
We present the Mindicator, a set implementation customized for shared memory runtime systems. The Mindicator is optimized for constant-time querying of its minimum element, while ...
Because performance is a crucial issue in database systems, data caching techniques have been studied in database research field, especially in client-server databases and distrib...