: Due to the ever increasing impacts of globalization, people will/have to work on data which is distributed all around the world [LKK+ 97]. Query processing on the corresponding d...
Abstract: Large amounts of information from various sources have often to be considered when collaboratively developing semantic structures. Examining all relevant information can ...
Data Warehouses (DW) manage crucial enterprise information used for the decision making process which has to be protected from unauthorized accesses. However, security constraints ...
Abstract. Recently, the database and AI research communities have paid increased attention to ontologies. The main motivating reason is that ontologies promise solutions for comple...
Virtually all modern organizations have embedded information systems and networking technologies into their core business processes as a means to increase operational efficiency, i...