3777 search results - page 359 / 756 » Estimating the Quality of Databases |
152
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CIDR
2009
15 years 5 months ago
2009
In database query processing, actual run-time conditions (e.g., actual selectivities and actual available memory) very often differ from compile-time expectations of run-time cond...
147
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CORR
2008
Springer
15 years 4 months ago
2008
Springer
Many real-world data are maintained in relational format, with different tables storing information about entities and their links or relationships. The structure (schema) of the ...
121
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DEBU
2008
15 years 4 months ago
2008
We present the SQL Performance Analyzer, a novel approach in Oracle Database 11g to testing database changes, such as upgrades, parameter changes, schema changes, and gathering op...
122
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SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
Virtually all histograms store for each bucket the number of distinct values it contains and their average frequency. In this paper, we question this paradigm. We start out by inv...
157
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VR
2011
IEEE
14 years 8 months ago
2011
IEEE
We present a recognition-driven navigation system for large-scale 3D virtual environments. The proposed system contains three parts, virtual environment reconstruction, feature da...