6740 search results - page 253 / 1348 » Querying Databases with Taxonomies |
192
Voted
DEXAW
1999
IEEE
15 years 11 months ago
1999
IEEE
In the environment of wide-area networks such as the Internet, distributed query processing becomes problematic due to the changing coming from both underlying networks and user&#...
162
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RTDB
1996
15 years 8 months ago
1996
We are developing an object-oriented real-time database system that includes a relationally complete query language. Unlike conventional query optimizers, our optimizer estimates ...
167
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FSMNLP
2005
Springer
16 years 6 days ago
2005
Springer
Abstract. The last decade has seen an increase in the number of available corpus query systems. These systems generally implement a query language as well as a database model. We r...
299
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GIS
2005
ACM
16 years 7 months ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
177
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EDBT
2006
ACM
16 years 6 months ago
2006
ACM
Incomplete databases, that is, databases that are missing data, are present in many research domains. It is important to derive techniques to access these databases efficiently. We...