Software systems in health care, such as disease and medical-record management, or financial applications, such as customer relationship and portfolio management, have very often...
XML repositories are now a widespread means for storing and exchanging information on the Web. As these repositories become increasingly used in dynamic applications such as e-com...
James Bailey, Alexandra Poulovassilis, Peter T. Wo...
— Active databases have been used in many different fields to accomplish many different tasks. One of the main problems today that still have not been solved is authorization. In...
Rule bases are increasingly being used as repositories of knowledge content on the Semantic Web. As the size and complexity of these rule bases s, developers and end users need met...
Abstract. This paper presents an extension of disjunctive datalog (Datalog∨ ) by nested rules. Nested rules are (disjunctive) rules where elements of the head may be also rules. ...