829 search results - page 90 / 166 » Location-aware Query Processing and Optimization |
217
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GIS
2006
ACM
16 years 1 months ago
2006
ACM
Given a query point and a collection of spatial features, a multi-type nearest neighbor (MTNN) query finds the shortest tour for the query point such that only one instance of eac...
196
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VLDB
2002
ACM
16 years 26 days ago
2002
ACM
: Purpose ? Tree pattern is at the core of XML queries. The tree patterns in XML queries typically contain redundancies, especially when broad integrity constraints (ICs) are prese...
210
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ICDE
2007
IEEE
16 years 2 months ago
2007
IEEE
Skyline query processing has received considerable attention in the recent past. Mainly, the skyline query is used to find a set of non dominated data points in a multidimensional...
228
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SIGMOD
2009
ACM
16 years 25 days ago
2009
ACM
Empowering users to access databases using simple keywords can relieve the users from the steep learning curve of mastering a structured query language and understanding complex a...
188
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SIGMOD
2009
ACM
16 years 25 days ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...