Abstract. We show how to specify and use the metadata for a virtual and relational data integration system under the local-as-view (LAV) approach. We use XML and RuleML for represe...
Abstract. The paper presents an approach towards executing transactions between enterprises, governmental bodies and banking institutions, based on ERP applications connected over ...
Traditionally, data that has both linear and hierarchical structure, such as annotated linguistic data, is modeled using ordered trees and queried using tree automata. In this pap...
The derived data update problem involves the transformation of modifications of derived facts into corresponding changes to base facts and other derived facts. Using a database sc...
Testing of database applications is of great importance. A significant issue in database application testing consists in the availability of representative data. In this paper we...