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ICDM
2009
IEEE
149views Data Mining» more  ICDM 2009»
16 years 1 months ago
Accelerated Gradient Method for Multi-task Sparse Learning Problem
—Many real world learning problems can be recast as multi-task learning problems which utilize correlations among different tasks to obtain better generalization performance than...
Xi Chen, Weike Pan, James T. Kwok, Jaime G. Carbon...
CCS
2005
ACM
15 years 12 months ago
Direct chosen ciphertext security from identity-based techniques
We describe a new encryption technique that is secure in the standard model against adaptive chosen ciphertext (CCA2) attacks. We base our method on two very efficient Identity-Ba...
Xavier Boyen, Qixiang Mei, Brent Waters
CP
2005
Springer
15 years 12 months ago
Search Heuristics and Heavy-Tailed Behaviour
Abstract. The heavy-tailed phenomenon that characterises the runtime distributions of backtrack search procedures has received considerable attention over the past few years. Some ...
Tudor Hulubei, Barry O'Sullivan
AMOST
2007
ACM
15 years 10 months ago
Achieving both model and code coverage with automated gray-box testing
We have devised a novel technique to automatically generate test cases for a software system, combining black-box model-based testing with white-box parameterized unit testing. Th...
Nicolas Kicillof, Wolfgang Grieskamp, Nikolai Till...
GIS
2007
ACM
15 years 10 months ago
Pipelined spatial join processing for quadtree-based indexes
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...
Walid G. Aref