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PVLDB
2010
225views more  PVLDB 2010»
13 years 4 months ago
Efficient Processing of Top-k Spatial Preference Queries
Top-k spatial preference queries return a ranked set of the k best data objects based on the scores of feature objects in their spatial neighborhood. Despite the wide range of loc...
João B. Rocha-Junior, Akrivi Vlachou, Chris...
TIT
2010
124views Education» more  TIT 2010»
13 years 4 months ago
Storage coding for wear leveling in flash memories
NAND flash memories are currently the most widely used type of flash memories. In a NAND flash memory, although a cell block consists of many pages, to rewrite one page, the whole ...
Anxiao Jiang, Robert Mateescu, Eitan Yaakobi, Jeho...
TOG
2010
134views more  TOG 2010»
13 years 4 months ago
Unbiased, adaptive stochastic sampling for rendering inhomogeneous participating media
Realistic rendering of participating media is one of the major subjects in computer graphics. Monte Carlo techniques are widely used for realistic rendering because they provide u...
Yonghao Yue, Kei Iwasaki, Bing-Yu Chen, Yoshinori ...
CORR
2011
Springer
151views Education» more  CORR 2011»
13 years 4 months ago
Generating and Searching Families of FFT Algorithms
A fundamental question of longstanding theoretical interest is to prove the lowest exact count of real additions and multiplications required to compute a power-of-two discrete Fo...
Steve Haynal, Heidi Haynal
CORR
2011
Springer
187views Education» more  CORR 2011»
13 years 1 months ago
Backdoors to Tractable Answer-Set Programming
We present a unifying approach to the efficient evaluation of propositional answer-set programs. Our approach is based on backdoors which are small sets of atoms that represent ...
Johannes Klaus Fichte, Stefan Szeider