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177
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DAGSTUHL
2004
15 years 8 months ago
2004
We study a metamodel for the Entity Relationship (ER) and the Relational data model. We do this by describing the syntax of the ER data model by introducing classes for ER schemata...
195
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BIRTHDAY
2010
Springer
15 years 5 months ago
2010
Springer
m, modules, types and operations), different kinds of abstractions (functional/data, types/objects etc.) without falling into a loose collection of diagram languages. Considering a...
147
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ACMICEC
2006
ACM
16 years 21 days ago
2006
ACM
In this paper we present a proposal for representing soft constraint satisfaction problems (CSPs) within the Semantic Web architecture. The proposal is motivated by the need for a...
195
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CP
2005
Springer
16 years 8 days ago
2005
Springer
Abstract. In this paper, we present a constraint-partitioning approach for ļ¬nding local optimal solutions of large-scale mixed-integer nonlinear programming problems (MINLPs). Ba...
167
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SACMAT
2003
ACM
15 years 12 months ago
2003
ACM
A Generalized Temporal Role Based Access Control (GTRBAC) model that captures an exhaustive set of temporal constraint needs for access control has recently been proposed. GTRBACā...