1160 search results - page 72 / 232 » Query Processing and Optimization for Pictorial Query Trees |
81
Voted
BNCOD
1997
14 years 11 months ago
1997
With the substantial change of declarative query languages from plain SQL to the so-called \object SQLs", in particular OQL, there has surprisingly been not much change in the...
106
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ADC
2007
Springer
15 years 4 months ago
2007
Springer
XML stream processing has recently become popular for many applications such as selective dissemination of information. Several approaches have been proposed and most of them are ...
GECCO
2007
Springer
15 years 4 months ago
2007
Springer
Genetic algorithms (GAs) have long been used for large join query optimization (LJQO). Previous work takes all queries as based on one granularity to optimize GAs and compares the...
170
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ICDE
2002
IEEE
15 years 11 months ago
2002
IEEE
XML queries typically specify patterns of selection predicates on multiple elements that have some specified tree structured relationships. The primitive tree structured relations...
PODC
2010
ACM
15 years 2 months ago
2010
ACM
This paper deals with pipelined queries over services. The execution plan of such queries defines an order in which the services are called. We present the theoretical underpinni...