1160 search results - page 104 / 232 » Query Processing and Optimization for Pictorial Query Trees |
DOCENG
2009
ACM
15 years 8 months ago
2009
ACM
We study the analysis problem of XPath expressions with counting constraints. Such expressions are commonly used in document transformations or programs in which they select porti...
125
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EDBT
2008
ACM
16 years 1 months ago
2008
ACM
Many systems such as Tukwila and YFilter combine automaton and algebra techniques to process queries over tokenized XML streams. Typically in this architecture, an automaton is fi...
110
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WECWIS
2009
IEEE
15 years 8 months ago
2009
IEEE
Complex Event Processing (CEP) systems are capable of processing large amounts of events, utilizing them to monitor, steer and optimize business in real time. The lack of tracking...
110
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ADBIS
2009
Springer
15 years 8 months ago
2009
Springer
Abstract. Caching data reduces user-perceived latency and often enhances availability in case of server crashes or network failures. DB caching aims at local processing of declarat...
124
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SSDBM
2003
IEEE
15 years 6 months ago
2003
IEEE
In many application contexts, like statistical databases, scientific databases, query optimizers, OLAP, and so on, data are often summarized into synopses of aggregate values. Su...