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» Including Group-By in Query Optimization
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STOC
2002
ACM
119views Algorithms» more  STOC 2002»
14 years 8 months ago
Space-efficient approximate Voronoi diagrams
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...
Sunil Arya, Theocharis Malamatos, David M. Mount
MOBIDE
2009
ACM
14 years 2 months ago
Toward context and preference-aware location-based services
The explosive growth of location-detection devices, wireless communications, and mobile databases has resulted in the realization of location-based services as commercial products...
Mohamed F. Mokbel, Justin J. Levandoski
BMCBI
2007
142views more  BMCBI 2007»
13 years 7 months ago
Predicting and improving the protein sequence alignment quality by support vector regression
Background: For successful protein structure prediction by comparative modeling, in addition to identifying a good template protein with known structure, obtaining an accurate seq...
Minho Lee, Chan-seok Jeong, Dongsup Kim
ICML
2009
IEEE
14 years 8 months ago
BoltzRank: learning to maximize expected ranking gain
Ranking a set of retrieved documents according to their relevance to a query is a popular problem in information retrieval. Methods that learn ranking functions are difficult to o...
Maksims Volkovs, Richard S. Zemel
DAMON
2007
Springer
14 years 1 months ago
Architectural characterization of XQuery workloads on modern processors
As XQuery rapidly emerges as the standard for querying XML documents, it is very important to understand the architectural characteristics and behaviors of such workloads. A lot o...
Rubao Lee, Bihui Duan, Taoying Liu