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» The Complexity of Query Reliability
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PODS
2000
ACM
120views Database» more  PODS 2000»
15 years 10 months ago
Indexing the Edges - A Simple and Yet Efficient Approach to High-Dimensional Indexing
In this paper, we propose a new tunable index scheme, called iMinMax , that maps points in high dimensional spaces to single dimension values determined by their maximum or minimu...
Beng Chin Ooi, Kian-Lee Tan, Cui Yu, Stépha...
AAAI
2008
15 years 8 months ago
Extending the Knowledge Compilation Map: Krom, Horn, Affine and Beyond
We extend the knowledge compilation map introduced by Darwiche and Marquis with three influential propositional fragments, the Krom CNF one (also known as the bijunctive fragment)...
Hélène Fargier, Pierre Marquis
AAAI
2008
15 years 8 months ago
Predicting Appropriate Semantic Web Terms from Words
The Semantic Web language RDF was designed to unambiguously define and use ontologies to encode data and knowledge on the Web. Many people find it difficult, however, to write com...
Lushan Han, Tim Finin
APPROX
2008
Springer
88views Algorithms» more  APPROX 2008»
15 years 8 months ago
Limitations of Hardness vs. Randomness under Uniform Reductions
We consider (uniform) reductions from computing a function f to the task of distinguishing the output of some pseudorandom generator G from uniform. Impagliazzo and Wigderson [IW]...
Dan Gutfreund, Salil P. Vadhan
AUSDM
2008
Springer
227views Data Mining» more  AUSDM 2008»
15 years 8 months ago
Exploratory Mining over Organisational Communications Data
Exploratory data mining is fundamental to fostering an appreciation of complex datasets. For large and continuously growing datasets, such as obtained by regular sampling of an or...
Alan Allwright, John F. Roddick