313 search results - page 15 / 63 » Cost-Based Object Query Optimization |
VLDB
2012
ACM
13 years 5 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...
BTW
2003
Springer
15 years 2 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...
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INFOSCALE
2007
ACM
14 years 11 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 ...
SIGMOD
2010
ACM
14 years 10 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...
ICDCS
2002
IEEE
15 years 2 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 ...