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204
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DAGSTUHL
2004
15 years 7 months ago
2004
A well-studied problem in fault diagnosis is to identify the set of all good processors in a given set {p1, p2, . . . , pn} of processors via asking some processors pi to test whet...
169
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DAGSTUHL
2004
15 years 7 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...
160
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DAGSTUHL
2004
15 years 7 months ago
2004
We study the optimal approximation of the solution of an operator equation A(u) = f by four types of mappings: a) linear mappings of rank n; b) n-term approximation with respect t...
185
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DBSEC
2004
15 years 7 months ago
2004
In software construction, analysis investigates the boundary of a system (scope and requirements), its usage and access, and from a security perspective, who needs access to what ...
167
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DBSEC
2004
15 years 7 months ago
2004
A sequence of queries submitted by a database user within a short period of time may have a single, illuminating explanation. In this paper we consider sequences of single-record q...