1160 search results - page 127 / 232 » Query Processing and Optimization for Pictorial Query Trees |
111
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MOBIHOC
2003
ACM
16 years 1 months ago
2003
ACM
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...
106
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SAC
2008
ACM
15 years 29 days ago
2008
ACM
Modern applications requiring spatial network processing pose many interesting query optimization challenges. In many cases, query processing depends on the corresponding graph si...
121
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DBA
2006
15 years 2 months ago
2006
In order to facilitate query processing, the information contained in data warehouses is typically stored as a set of materialized views. Deciding which views to materialize prese...
110
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PVLDB
2008
15 years 29 days ago
2008
We study the problem of extracting flattened tuple data from streaming, hierarchical XML data. Tuple-extraction queries are essentially XML pattern queries with multiple extractio...
198
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VLDB
2007
ACM
16 years 1 months ago
2007
ACM
The growing nature of databases, and the flexibility inherent in the SQL query language that allows arbitrarily complex formulations, can result in queries that take inordinate am...