In environments containing many text search engines a federated search system provides people with a single point of access. When search engines are managed by independent organiz...
Any graphical user interface (GUI) requires large amounts of complex metadata for the layout of windows and menus, their style and behavior, their bindings, etc. Designing, debugg...
Global semantic integrity constraints ensure integrity and consistency of data spanning multiple databases. In this paper, we take the initial steps towards representing global se...
: CQL, Continuous Query Language is suitable for data stream queries. Sometimes it is better if the queries operate on relational databases and data streams simultaneously. The exe...
Abstract. In the paper we deal with the problem of modeling and querying information in schemaless databases of partially labeled objects (PLO-DB). Partially labeled objects are us...