829 search results - page 139 / 166 » Location-aware Query Processing and Optimization |
126
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SIGMOD
2010
ACM
15 years 7 months ago
2010
ACM
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
128
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SBBD
2004
15 years 3 months ago
2004
Metric Access Methods (MAM) are employed to accelerate the processing of similarity queries, such as the range and the k-nearest neighbor queries. Current methods improve the quer...
247
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ICDE
2003
IEEE
16 years 3 months ago
2003
IEEE
The XML Wrapper is a new feature of the federated database capabilities of DB2/UDB v8. It enables users and applications to issue SQL queries against XML data from a variety of so...
234
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SIGMOD
2009
ACM
16 years 2 months ago
2009
ACM
Labeling schemes lie at the core of query processing for many XML database management systems. Designing labeling schemes for dynamic XML documents is an important problem that ha...
128
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COMCOM
2008
15 years 2 months ago
2008
The idea of building query-oriented routing indices has changed the way of improving keyword search efficiency from the basis as it can learn the content distribution from the que...