Existing data-integration systems based on the mediation architecture employ a variety of mechanisms to describe the query-processing capabilities ofsources. However, these system...
Abstract. Both Geographic Information Systems and Information Retrieval have been very active research fields in the last decades. Lately, a new research field called Geographic In...
Meerkat is a distributed memory multicomputer architecture that scales to hundreds of processors. Meerkat uses a two dimensional passive backplane to connect nodes composed of pro...
High assurance security is di cult to achieve in distributed computer systems and databases because of their complexity, non-determinism and inherent heterogeneity. The practical ...
The integration of active database technology into mobile database systems allows to limit the transfer of data between mobile computers and the stationary network. In order to em...