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102
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DAGSTUHL
2007
15 years 2 months ago
2007
Abstract. The sentences of deontic logic may be understood as describing what an agent ought to do when faced with a given set of norms. If these norms come into conflict, the bes...
90
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DAGSTUHL
2007
15 years 2 months ago
2007
The concept of relevance between classical propositional formulae, defined in terms of letter-sharing, has been around for a very long time. But it began to take on a fresh life i...
118
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DAGSTUHL
2007
15 years 2 months ago
2007
Abstract. In this paper, we consider two particular problems of directed graph matching. The first problem concerns graphs with nodes that have been subdivided into classes of di...
84
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DAGSTUHL
2007
15 years 2 months ago
2007
Role is a widespread concept, it is used in many areas like MAS, Programming Languages, Organizations, Security and OO modelling. Unfortunately, it seems that the literature is not...
108
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DAGSTUHL
2007
15 years 2 months ago
2007
Driven by the ongoing demographical, structural, and social changes in all modern, industrialized countries, there is a huge interest in IT-based equipment and services these days...