313 search results - page 15 / 63 » Cost-Based Object Query Optimization |
127
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VLDB
2012
ACM
13 years 9 months ago
2012
ACM
In the last decade, spatio-temporal database research focuses on the design of effective and efficient indexing structures in support of location-based queries such as predictive...
93
Voted
BTW
2003
Springer
15 years 7 months ago
2003
Springer
: Due to the ever increasing impacts of globalization, people will/have to work on data which is distributed all around the world [LKK+ 97]. Query processing on the corresponding d...
147
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INFOSCALE
2007
ACM
15 years 3 months ago
2007
ACM
Large-scale Parallel Web Search Engines (WSEs) needs to adopt a strategy for partitioning the inverted index among a set of parallel server nodes. In this paper we are interested ...
120
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SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
Histograms have been widely used for fast estimation of query result sizes in query optimization. In this paper, we propose a new histogram method, called the Skew-Tolerant Histog...
131
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ICDCS
2002
IEEE
15 years 6 months ago
2002
IEEE
Recent technology advances have enabled mediated query processing with Internet accessible WebSources. A characteristic of WebSources is that their access costs exhibit transient ...