In order to achieve optimal efficiency in a learning process, individual learner needs his/her own personalized assistance. For a web-based open and dynamic learning environment, ...
In an e-service environment, contracts are important for attaining business process interoperability and enforcing their proper enactment. An e-contract is the computerized facili...
Designing electronic markets is still a rather intricate process. eNegotiation - and thereby trading rules - embody the core of the institution ”electronic market”. Although s...
Parallel and distributed programming is conceptually harder to undertake and to understand than sequential programming, because a programmer often has to manage the coexistence an...
In this paper, dynamic meta modeling is proposed as a new approach to the operational semantics of behavioral UML diagrams. The dynamic meta model extends the well-known static met...
Gregor Engels, Jan Hendrik Hausmann, Reiko Heckel,...