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» Approximating Component Selection
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VLDB
2007
ACM
105views Database» more  VLDB 2007»
15 years 4 months ago
Extending Q-Grams to Estimate Selectivity of String Matching with Low Edit Distance
There are many emerging database applications that require accurate selectivity estimation of approximate string matching queries. Edit distance is one of the most commonly used s...
Hongrae Lee, Raymond T. Ng, Kyuseok Shim
SIGMOD
1999
ACM
125views Database» more  SIGMOD 1999»
15 years 2 months ago
Selectivity Estimation in Spatial Databases
Selectivity estimation of queries is an important and wellstudied problem in relational database systems. In this paper, we examine selectivity estimation in the context of Geogra...
Swarup Acharya, Viswanath Poosala, Sridhar Ramaswa...
GSN
2009
Springer
15 years 1 months ago
Efficient Viewpoint Selection for Urban Texture Documentation
We envision participatory texture documentation (PTD) as a process in which a group of participants (dedicated individuals and/or general public) with camera-equipped mobile phones...
Houtan Shirani-Mehr, Farnoush Banaei Kashani, Cyru...
ICSOC
2010
Springer
14 years 8 months ago
From Quality to Utility: Adaptive Service Selection Framework
Abstract. We consider an approach to service selection wherein service consumers choose services with desired nonfunctional properties to maximize their utility. A consumer’s uti...
Chung-Wei Hang, Munindar P. Singh
180
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SIGMOD
2006
ACM
194views Database» more  SIGMOD 2006»
15 years 10 months ago
Graph-based synopses for relational selectivity estimation
This paper introduces the Tuple Graph (TuG) synopses, a new class of data summaries that enable accurate selectivity estimates for complex relational queries. The proposed summari...
Joshua Spiegel, Neoklis Polyzotis