A new approach to secure federated information bases using agent technology

Authors Edgar Weippl
Ludwig Klug
Wolfgang Essmayr
Editors
Title A new approach to secure federated information bases using agent technology
Type article
Journal Journal of Database Management
Number 1
Volume 14
ISSN 1063-8016
Month Jan-Mar
Year 2002
Pages 48-68
SCCH ID# 116
Abstract

Database agents, in our context also called DBagents, can be utilized to establish a federated information base by integrating heterogeneous databases. Agents are especially well suited to also address the highly relevant issue of security. During the process of migration, DBagents are wrapped into Java agents that provide various mechanisms for security and migration. This special architecture can be used to perform schema updates on distributed databases as well as to extract information in order to create and refresh data warehouses. Moreover, queries that require data which is too detailed for data warehouses can be answered by propagating them from the data warehouse to the underlying operational databases wrapped in DBagents. Furthermore, a federation connected by DBagents is much more flexible; new databases may join or existing ones may leave the federation even while queries are executed.