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» On the Expressiveness and Complexity of ATL
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ECBS
2008
IEEE
124views Hardware» more  ECBS 2008»
15 years 8 months ago
Hierarchical Model to Develop Component-Based Systems
Large and complex software systems require expressive notations for representing their software architecture. In this context Architecture Description Languages (ADLs) can be used...
Abdelkrim Amirat, Mourad Oussalah
ECTEL
2008
Springer
15 years 8 months ago
Issues in the Design of an Environment to Support the Learning of Mathematical Generalisation
Abstract. Expressing generality, recognising and analysing patterns and articulating structure is a complex task and one that is invariably problematic for students. Nonetheless, v...
Darren Pearce, Manolis Mavrikis, Eirini Geraniou, ...
FOSSACS
2008
Springer
15 years 8 months ago
The Microcosm Principle and Concurrency in Coalgebra
Abstract. Coalgebras are categorical presentations of state-based systems. In investigating parallel composition of coalgebras (realizing concurrency), we observe that the same alg...
Ichiro Hasuo, Bart Jacobs, Ana Sokolova
AMW
2010
15 years 8 months ago
Query Rewriting under Non-Guarded Rules
We address the problem of answering conjunctive queries over knowledge bases, specified by sets of first-order sentences called tuple-generating dependencies (TGDs). This problem i...
Andrea Calì, Georg Gottlob, Andreas Pieris
DBSEC
2010
152views Database» more  DBSEC 2010»
15 years 8 months ago
Modelling Dynamic Access Control Policies for Web-Based Collaborative Systems
Abstract. We present a modelling language, called X-Policy, for webbased collaborative systems with dynamic access control policies. The access to resources in these systems depend...
Hasan Qunoo, Mark Ryan