1778 search results - page 180 / 356 » The Theory of Probabilistic Databases |
151
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ADBIS
1997
Springer
15 years 10 months ago
1997
Springer
A graphical formalized language is proposed for specifying systems of views over database schemas. The language is based on the notion of arrow (mapping) between data schemas and ...
184
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MFDBS
1991
15 years 10 months ago
1991
We study an approach to relational databases which treats relations not as subsets of a Cartesian product but as subsets of some domain { a partially ordered space of descriptions...
201
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PODC
2009
ACM
16 years 7 months ago
2009
ACM
The paper presents distributed and parallel -approximation algorithms for covering problems, where is the maximum number of variables on which any constraint depends (for example...
165
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MOBIHOC
2005
ACM
16 years 6 months ago
2005
ACM
In this paper, we investigate the use of limited infrastructure, in the form of wires, for improving the energy efficiency of a wireless sensor network. We call such a sensor netw...
175
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QEST
2009
IEEE
16 years 1 months ago
2009
IEEE
We extend the theory of labeled Markov processes with internal nondeterminism, a fundamental concept for the further development of a process theory with abstraction on nondetermi...