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179
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SIAMDM
2008
15 years 6 months ago
2008
Ensembles of regular low-density parity-check codes over any finite Abelian group G are studied. The nonzero entries of the parity matrix are randomly chosen, independently and uni...
165
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IJAR
2007
2007
On representation and aggregation of social evaluations in computational trust and reputation models
15 years 6 months ago
Interest for computational trust and reputation models is on the rise. One of the most important aspects of these models is how they deal with information received from other indi...
123
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SIAMSC
2008
15 years 6 months ago
2008
In this note we consider the numerical solution of selfadjoint deblurring problems on bounded intervals. For these problems it has recently been shown that appropriate modelling of...
177
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SIGECOM
2008
ACM
15 years 6 months ago
2008
ACM
Full revelation of private values is impractical in many large-scale markets, where posted price mechanisms are a simpler alternative. In this work, we compare the asymptotic beha...
200
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SAC
2006
ACM
15 years 6 months ago
2006
ACM
Integrity constraints (ICs) play a key role in the definition of conceptual schemas. In the UML, ICs are usually specified as invariants written in the OCL. However, due to the hi...