A modern server system must deliver a complex set of obligations towards its users. We study the concept of roles as autonomous encapsulations of a set of promises. Using virtuali...
This paper addresses interoperability issues of learning content management systems. Motivation and design challenges are presented and an interoperability framework implemented a...
Government e-services available to citizens represent one of the most frequent and critical points of contact between public administrations and citizens. In addition to common se...
Conference time-tables provide information that is indispensable for all attendees. Since there are a lot of reusable data structures and tasks, we have designed the Conference Ti...
The increasing availabilities of GPS-enabled devices have given rise to the location-based social networking services (LBSN), in which users can record their travel experiences wi...
Yukun Chen, Kai Jiang, Yu Zheng, Chunping Li, Neng...