Query containment is a fundamental algorithmic problem in database query processing and optimization. Under set semantics, the query-containment problem for conjunctive queries ha...
As the number of available Web services increases there is a growing demand to realise complex business processes by combining and reusing available Web services. The reuse and co...
The rapid advances in computer and communication technologies, and their merger, is leading to a global information market place. It will consist of federations of very large numb...
In this paper, dynamic meta modeling is proposed as a new approach to the operational semantics of behavioral UML diagrams. The dynamic meta model extends the well-known static met...
Gregor Engels, Jan Hendrik Hausmann, Reiko Heckel,...
Order is essential for XML query processing. Efficient XML processing with order consideration over relational storage is non-trivial, especially for complex nested XQuery expressi...