14782 search results - page 2616 / 2957 » Activities in Object Bases |
175
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ER
1994
Springer
15 years 11 months ago
1994
Springer
A logical database schema, e.g. a relational one, is an implementation of a speci cation, e.g. an entity-relationship diagram. Upcoming new data models and the necessity of seamle...
250
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HPTS
1993
15 years 11 months ago
1993
Elements of transaction processing become more and more accepted as a base for general purpose distributed computing.We have developed an action concept with an extended functiona...
154
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ESORICS
1994
Springer
15 years 11 months ago
1994
Springer
The Transformation Model TRM was recently introduced 10 in the literature by Sandhu and Ganta. TRM is based on the concept of transformation of rights. The propagation of access ri...
190
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POS
1994
Springer
15 years 11 months ago
1994
Springer
The differing requirements for concurrency models in programming languages and databases are widely diverse and often seemingly incompatible. The rigid provision of a particular c...
163
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SIGGRAPH
1994
ACM
15 years 11 months ago
1994
ACM
The irradiance at a point on a surface due to a polyhedral source of uniform brightness is given by a well-known analytic formula. In this paper we derive the corresponding analyt...