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» Personalization of Queries in Database Systems
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SIGMOD
2008
ACM
150views Database» more  SIGMOD 2008»
16 years 6 months ago
Ranking queries on uncertain data: a probabilistic threshold approach
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
Ming Hua, Jian Pei, Wenjie Zhang, Xuemin Lin
SIGMOD
2005
ACM
187views Database» more  SIGMOD 2005»
16 years 6 months ago
A Generic Framework for Monitoring Continuous Spatial Queries over Moving Objects
This paper proposes a generic framework for monitoring continuous spatial queries over moving objects. The framework distinguishes itself from existing work by being the first to ...
Haibo Hu, Jianliang Xu, Dik Lun Lee
SAT
2004
Springer
101views Hardware» more  SAT 2004»
15 years 12 months ago
An Algebraic Approach to the Complexity of Generalized Conjunctive Queries
Kolaitis and Vardi pointed out that constraint satisfaction and conjunctive query containment are essentially the same problem. We study the Boolean conjunctive queries under a mor...
Michael Bauland, Philippe Chapdelaine, Nadia Creig...
VLDB
2011
ACM
276views Database» more  VLDB 2011»
15 years 1 months ago
Ranking queries on uncertain data
Uncertain data is inherent in a few important applications such as environmental surveillance and mobile object tracking. Top-k queries (also known as ranking queries) are often n...
Ming Hua, Jian Pei, Xuemin Lin
DOLAP
2003
ACM
15 years 11 months ago
Exploiting hierarchical clustering in evaluating multidimensional aggregation queries
Multidimensional aggregation queries constitute the single most important class of queries for data warehousing applications and decision support systems. The bottleneck in the ev...
Dimitri Theodoratos