6650 search results - page 327 / 1330 » Mutating database queries |
138
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DASFAA
2004
IEEE
15 years 8 months ago
2004
IEEE
Abstract. We consider the problem of accurately estimating the number of approximate XML answers for a given query, and propose an efficient method that (1) accurately computes sel...
133
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FQAS
2006
Springer
15 years 8 months ago
2006
Springer
We present a functional model for the analysis of large volumes of detailed transactional data, accumulated over time. In our model, the data schema is an acyclic graph with a sing...
147
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VLDB
2000
ACM
15 years 8 months ago
2000
ACM
We present the TreeScape system that, unlike any other system known to the authors, enables the reuse of pre-computed aggregate query results for irregular dimension hierarchies, ...
157
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SSDBM
2003
IEEE
15 years 10 months ago
2003
IEEE
The CenSSIS Image Database System is a scientific database that enables effective data management and collaboration to accelerate fundamental research. This paper describes the d...
157
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LPNMR
2005
Springer
15 years 10 months ago
2005
Springer
We introduce a declarative approach for a coherent composition of autonomous databases. For this we use ID-logic, a formalism that extends classical logic with inductive definitio...