6905 search results - page 166 / 1381 » Querying Multidimensional Databases |
105
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ICDE
2007
IEEE
15 years 7 months ago
2007
IEEE
Most database query optimizers use cost models to identify good query execution plans. Inaccuracies in the cost models can cause query optimizers to select poor plans. In this pap...
112
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EDBT
2006
ACM
16 years 1 months ago
2006
ACM
Abstract. We describe the construction of a generic natural language query interface to an XML database. Our interface can accept an arbitrary English sentence as a query, which ca...
101
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ACMSE
2005
ACM
15 years 6 months ago
2005
ACM
A simple extension to the relational model that permits metadata (more generally metaknowledge) to be stored and manipulated as first class data is proposed. The accompanying que...
118
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KRDB
2003
15 years 2 months ago
2003
Motivated by the possibilities of applying deductive database technology for efficient query answering in description logics, we present a translation operator µ that transforms...
108
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SSD
2001
Springer
15 years 5 months ago
2001
Springer
The development of spatiotemporal database systems is primarily motivated by applications tracking and presenting mobile objects. Another important trend is the visualization and p...