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» Contention-Sensitive Data Structures and Algorithms
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ICDE
2011
IEEE
243views Database» more  ICDE 2011»
14 years 10 months ago
Interactive SQL query suggestion: Making databases user-friendly
— SQL is a classical and powerful tool for querying relational databases. However, it is rather hard for inexperienced users to pose SQL queries, as they are required to be pro...
Ju Fan, Guoliang Li, Lizhu Zhou
CORR
2012
Springer
222views Education» more  CORR 2012»
14 years 2 months ago
A limit process for partial match queries in random quadtrees
We consider the problem of recovering items matching a partially specified pattern in multidimensional trees (quad trees and k-d trees). We assume the classical model where the d...
Nicolas Broutin, Ralph Neininger, Henning Sulzbach
JMLR
2012
13 years 9 months ago
Active Clustering of Biological Sequences
Given a point set S and an unknown metric d on S, we study the problem of efficiently partitioning S into k clusters while querying few distances between the points. In our model...
Konstantin Voevodski, Maria-Florina Balcan, Heiko ...
ORL
2000
77views more  ORL 2000»
15 years 6 months ago
Improved dynamic programs for some batching problems involving the maximum lateness criterion
We study four scheduling problems involving the maximum lateness criterion and an element of batching. For all the problems that we examine, algorithms appear in the literature th...
Albert P. M. Wagelmans, A. E. Gerodimos
CGF
1998
116views more  CGF 1998»
15 years 6 months ago
A Light Hierarchy for Fast Rendering of Scenes with Many Lights
We introduce a new data structure in the form of a light hierarchy for efficiently ray-tracing scenes with many light sources. An octree is constructed with the point light sourc...
Eric Paquette, Pierre Poulin, George Drettakis