In recent years, the tourism assistance community is gradually shifting its emphasis to digital, interactive systems. Our project aims for digital tourism assistance by combining ...
Alf-Christian Schering, Martin Dueffer, Andreas Fi...
Abstract. Many geographical applications need to model spatial phenomena with vague or indeterminate boundaries and interiors. A popular paradigm adopted by the GIS community for t...
Data breaches due to stolen laptops are a major problem. Solutions exist to secure sensitive files on laptops, but are rarely deployed because users view them as inconvenient. Thi...
Abstract Integrated engineering environments, based on federated database technology, are, among others, a means to control the integrity of and dependencies between product data c...
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...