1394 search results - page 36 / 279 » Executing Nested Queries |
229
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ICDE
2003
IEEE
16 years 4 months ago
2003
IEEE
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
149
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RIVF
2003
15 years 4 months ago
2003
Abstract— This paper presents our work on supporting flexible query evaluation over large distributed, heterogeneous, and autonomous sources. Flexibility means that the query ev...
155
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ADBIS
2004
Springer
15 years 8 months ago
2004
Springer
In this paper we consider concurrent execution of multiple data mining queries in the context of discovery of frequent itemsets. If such data mining queries operate on similar part...
108
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SAC
2002
ACM
15 years 2 months ago
2002
ACM
We have in a previous paper introduced the new query operators that are needed in order to support an XML query language that supports temporal operations. The query operators mak...
212
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ICDT
2009
ACM
16 years 3 months ago
2009
ACM
We study the problem of incrementally maintaining an XPath query on an XML database under updates. The updates we consider are node insertion, node deletion, and node relabeling. ...