389 search results - page 6 / 78 » The Notion of Role in Conceptual Modeling |
135
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LPAR
1999
Springer
15 years 3 months ago
1999
Springer
Abstract. Description Logics (DLs) are a family of knowledge representation formalisms mainly characterised by constructors to build complex concepts and roles from atomic ones. Ex...
103
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EURODAC
1995
IEEE
15 years 3 months ago
1995
IEEE
Due to the ever increasing complexity of electronic system (ES) design, the conceptual design phase and its realization in later phases of the design stream have become increasing...
88
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DLOG
2008
15 years 1 months ago
2008
We show that reasoning in the temporal conceptual model ERV T , a fragment of ERV T that only allows timestamping is complete for 2-ExpTime. The membership result is based on an em...
120
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COMPSAC
2002
IEEE
15 years 4 months ago
2002
IEEE
Generalized Temporal Role Based Access Control (GTRBAC) model that captures an exhaustive set of temporal constraint needs for access control has recently been proposed. GTRBAC’...
ECAI
1994
Springer
15 years 3 months ago
1994
Springer
Abstract. In this paper we describe a framework for defining and operationalizing conceptual models of distributed knowledge-based systems which extends published approaches by the...