Access control is the problem of regulating access to secret information based on certain context information. In traditional applications, context information is known exactly, p...
This paper introduces the notion of temporally constrained ranked retrieval, which, given a query and a time constraint, produces the best possible ranked list within the specifi...
Since navigation systems and tracking devices are becoming ubiquitous in our daily life, the development of efficient methods for processing massive sets of mobile objects are of ...
Business and scientific workflow management systems (WfMS) offer different features to their users because they are developed for different application areas with different require...
With the offer from cloud computing providers, scientists have the opportunity to utilize pay-as-you-go resources together with their own and shared resources. However, scientist...