2223 search results - page 301 / 445 » Query Optimization in an OODBMS |
126
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SIGMOD
1999
ACM
15 years 8 months ago
1999
ACM
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
288
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ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
Given an object q, modeled by a multidimensional point, a reverse nearest neighbors (RNN) query returns the set of objects in the database that have q as their nearest neighbor. I...
129
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STOC
2002
ACM
16 years 4 months ago
2002
ACM
Given a set S of n points in IRd , a (t, )-approximate Voronoi diagram (AVD) is a partition of space into constant complexity cells, where each cell c is associated with t represe...
131
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EDBT
2006
ACM
16 years 4 months ago
2006
ACM
Recent years have seen growing interest in effective algorithms for summarizing and querying massive, high-speed data streams. Randomized sketch synopses provide accurate approxima...
154
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ICDE
2010
IEEE
16 years 4 months ago
2010
IEEE
Similarity joins have been studied as key operations in multiple application domains, e.g., record linkage, data cleaning, multimedia and video applications, and phenomena detectio...