We present HyperGraphDB, a novel graph database based on generalized hypergraphs where hyperedges can contain other hyperedges. This generalization automatically reifies every ent...
Abstract. Adhesive high-level replacement (HLR) categories and systems are introduced as a new categorical framework for graph transformation in a broad sense, which combines the w...
Hartmut Ehrig, Annegret Habel, Julia Padberg, Ulri...
An increasing interest in the design of mobile robots has been observed in recent years, which is mainly motivated by technological advances that may allow their application to co...
This paper discusses nature of action research, and its particular strengths in disciplines such as information systems (IS). However concerns are raised about the quality and rigo...
For a computing system to be trusted, it is equally important to verify that the system performs no more and no less functionalities than desired. Traditional testing and verifica...