3269 search results - page 299 / 654 » Query Optimization for XML |
176
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ADBIS
2000
Springer
15 years 9 months ago
2000
Springer
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
250
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ICDE
2008
IEEE
16 years 6 months ago
2008
IEEE
Data sources on the web are often accessible through web interfaces that present them as relational tables, but require certain attributes to be mandatorily selected, e.g., via a w...
284
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TKDE
2012
13 years 7 months ago
2012
—Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of som...
252
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ICDT
2009
ACM
16 years 5 months ago
2009
ACM
The class of unions of conjunctive queries (UCQ) has been shown to be particularly well-behaved for data exchange; its certain answers can be computed in polynomial time (in terms...
134
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GECCO
2007
Springer
15 years 11 months ago
2007
Springer
The success of a genetic programming system in solving a problem is often a function of the available computational resources. For many problems, the larger the population size an...