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DAWAK
2001
Springer
15 years 4 months ago
Shared Index Scans for Data Warehouses
Tree based indexing structures like -trees, ·-trees, Bitmap indexes and Ê-trees have become essential for getting good performance when accessing vast datasets. However, most dat...
Yannis Kotidis, Yannis Sismanis, Nick Roussopoulos
KDD
2008
ACM
128views Data Mining» more  KDD 2008»
16 years 7 days ago
Bypass rates: reducing query abandonment using negative inferences
We introduce a new approach to analyzing click logs by examining both the documents that are clicked and those that are bypassed--documents returned higher in the ordering of the ...
Atish Das Sarma, Sreenivas Gollapudi, Samuel Ieong
ICIP
2009
IEEE
15 years 10 months ago
On the Use of Color Appearance Modeling for Efficient Compressed-Domain Image Enhancement
In this paper we propose a compressed-domain image enhancement algorithm based on color appearance modeling. We aim at providing an efficient high-quality JPEG color image enhancem...
Maria Chatzigiorgaki, Athanassios N. Skodras
DATE
2006
IEEE
88views Hardware» more  DATE 2006»
15 years 6 months ago
Timing-reasoning-based delay fault diagnosis
In this paper, we propose a timing-reasoning algorithm to improve the resolution of delay fault diagnosis. In contrast to previous approaches which identify candidates by utilizin...
Kai Yang, Kwang-Ting Cheng
ISMIR
2005
Springer
154views Music» more  ISMIR 2005»
15 years 5 months ago
Exploiting the Tradeoff Between Precision and Cpu-Time to Speed Up Nearest Neighbor Search
We describe a recursive algorithm to quickly compute the N nearest neighbors according to a similarity measure in a metric space. The algorithm exploits an intrinsic property of a...
Pierre Roy, Jean-Julien Aucouturier, Franço...