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IJAR
2006
125views more  IJAR 2006»
15 years 3 months ago
Computing best-possible bounds for the distribution of a sum of several variables is NP-hard
In many real-life situations, we know the probability distribution of two random variables x1 and x2, but we have no information about the correlation between x1 and x2; what are ...
Vladik Kreinovich, Scott Ferson
SIGMOD
2005
ACM
145views Database» more  SIGMOD 2005»
16 years 4 months ago
Stratified Computation of Skylines with Partially-Ordered Domains
In this paper, we study the evaluation of skyline queries with partially-ordered attributes. Because such attributes lack a total ordering, traditional index-based evaluation algo...
Chee Yong Chan, Pin-Kwang Eng, Kian-Lee Tan
CORR
2008
Springer
119views Education» more  CORR 2008»
15 years 3 months ago
Self-stabilizing Numerical Iterative Computation
Many challenging tasks in sensor networks, including sensor calibration, ranking of nodes, monitoring, event region detection, collaborative filtering, collaborative signal proces...
Ezra N. Hoch, Danny Bickson, Danny Dolev
PVLDB
2010
190views more  PVLDB 2010»
14 years 10 months ago
Efficient B-tree Based Indexing for Cloud Data Processing
A Cloud may be seen as a type of flexible computing infrastructure consisting of many compute nodes, where resizable computing capacities can be provided to different customers. T...
Sai Wu, Dawei Jiang, Beng Chin Ooi, Kun-Lung Wu
CORR
2010
Springer
102views Education» more  CORR 2010»
15 years 3 months ago
States and exceptions are dual effects
Global states and exceptions form two basic computational effects. In this paper it is proved that they can be seen as dual to each other: the lookup and update operations for glo...
Jean-Guillaume Dumas, Dominique Duval, Laurent Fou...