9683 search results - page 1713 / 1937 » Query performance prediction |
99
Voted
CIKM
2001
Springer
15 years 7 months ago
2001
Springer
Using materialized view to accelerate OLAP queries is one of the most common methods used in ROLAP systems. However, high storage and computation cost make this method very diffic...
143
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DAGM
2001
Springer
15 years 7 months ago
2001
Springer
We consider 3D object retrieval in which a polygonal mesh serves as a query and similar objects are retrieved from a collection of 3D objects. Algorithms proceed first by a normal...
118
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RT
2001
Springer
15 years 7 months ago
2001
Springer
We introduce hybrid rendering, a scheme that dynamically ray traces the local geometry of reflective and refractive objects, but approximates more distant geometry by hardwaresupp...
139
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SSD
2001
Springer
15 years 7 months ago
2001
Springer
The design of external index structures for one- and multidimensional extended objects is a long and well studied subject in basic database research. Today, more and more commercia...
130
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SSD
2001
Springer
15 years 7 months ago
2001
Springer
Intervals represent a fundamental data type for temporal, scientific, and spatial databases where time stamps and point data are extended to time spans and range data, respectively...