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» On the Structure of Bounded Queries to Arbitrary NP Sets
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IJCGA
2007
55views more  IJCGA 2007»
13 years 8 months ago
Parabola Separation Queries and their Application to Stone Throwing
Given two sets A and B of m non-intersecting line segments in the plane, we show how to compute in O(m log m) time a data structure that uses O(m) space and allows to answer the fo...
Otfried Cheong, Hazel Everett, Hyo-Sil Kim, Sylvai...
ICALP
1994
Springer
14 years 21 days ago
Simple Fast Parallel Hashing
A hash table is a representation of a set in a linear size data structure that supports constanttime membership queries. We show how to construct a hash table for any given set of...
Joseph Gil, Yossi Matias
KDD
2010
ACM
214views Data Mining» more  KDD 2010»
14 years 15 days ago
Neighbor query friendly compression of social networks
Compressing social networks can substantially facilitate mining and advanced analysis of large social networks. Preferably, social networks should be compressed in a way that they...
Hossein Maserrat, Jian Pei
DOLAP
2000
ACM
14 years 29 days ago
CUBIST: A New Algorithm For Improving the Performance of Ad-hoc OLAP Queries
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
Lixin Fu, Joachim Hammer
PODS
2003
ACM
135views Database» more  PODS 2003»
14 years 8 months ago
Query-preserving watermarking of relational databases and XML documents
Watermarking allows robust and unobtrusive insertion of information in a digital document. Very recently, techniques have been proposed for watermarking relational databases or XM...
David Gross-Amblard