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126
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SIGMOD
2003
ACM
125views Database» more  SIGMOD 2003»
16 years 1 months ago
An Optimal and Progressive Algorithm for Skyline Queries
The skyline of a set of d-dimensional points contains the points that are not dominated by any other point on all dimensions. Skyline computation has recently received considerabl...
Dimitris Papadias, Yufei Tao, Greg Fu, Bernhard Se...
STACS
2010
Springer
15 years 8 months ago
Optimal Query Complexity for Reconstructing Hypergraphs
In this paper we consider the problem of reconstructing a hidden weighted hypergraph of constant rank using additive queries. We prove the following: Let G be a weighted hidden h...
Nader H. Bshouty, Hanna Mazzawi
165
Voted
SIGMOD
2006
ACM
115views Database» more  SIGMOD 2006»
16 years 1 months ago
Boolean + ranking: querying a database by k-constrained optimization
Zhen Zhang, Seung-won Hwang, Kevin Chen-Chuan Chan...
SYRCODIS
2007
86views Database» more  SYRCODIS 2007»
15 years 3 months ago
XML Query Algera for Cost-based Optimization
Several requirements for algebra suitable for ecient cost-based optimization are presented. It is shown that known XML algebras do not fully satisfy this requirements. A new alge...
Maxim Lukichev, Dmitry Barashev
SIGMOD
2001
ACM
120views Database» more  SIGMOD 2001»
16 years 1 months ago
Materialized View Selection and Maintenance Using Multi-Query Optimization
Materialized views have been found to be very effective at speeding up queries, and are increasingly being supported by commercial databases and data warehouse systems. However, w...
Hoshi Mistry, Prasan Roy, S. Sudarshan, Krithi Ram...