6746 search results - page 402 / 1350 » Multimodal Database Query |
164
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
An effective query optimizer finds a query plan that exploits the characteristics of the source data. In data integration, little is known in advance about sources' propertie...
140
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EDBT
2002
ACM
16 years 5 months ago
2002
ACM
Managing multiple versions of XML documents represents a critical requirement for many applications. Also, there has been much recent interest in supporting complex queries on XML ...
168
Voted
EDBT
2006
ACM
16 years 5 months ago
2006
ACM
In this paper we present a novel approach for estimating the selectivity of XML twig queries. Such a technique is useful for approximate query answering as well as for determining...
147
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EDBT
2010
ACM
15 years 11 months ago
2010
ACM
The wide adaptation of GPS and cellular technologies has created many applications that collect and maintain large repositories of data in the form of trajectories. Previous work ...
158
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SSDBM
2007
IEEE
15 years 11 months ago
2007
IEEE
High energy physics scientists analyze large amounts of data looking for interesting events when particles collide. These analyses are easily expressed using complex queries that ...