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SIGMOD
2008
ACM
126views Database» more  SIGMOD 2008»
14 years 10 months ago
On efficient top-k query processing in highly distributed environments
Lately the advances in centralized database management systems show a trend towards supporting rank-aware query operators, like top-k, that enable users to retrieve only the most ...
Akrivi Vlachou, Christos Doulkeridis, Kjetil N&osl...
CVPR
2009
IEEE
14 years 7 months ago
Recognizing human group activities with localized causalities
The aim of this paper is to address the problem of recognizing human group activities in surveillance videos. This task has great potentials in practice, however was rarely studie...
Ashraf A. Kassim, Bingbing Ni, Shuicheng Yan
HAPTICS
2009
IEEE
14 years 5 months ago
A low cost vibrotactile array to manage respiratory motion
We present a tactile Respiratory Management System (tRMS) to manage and control breathing patterns of cancer patients undergoing radiation therapy. The system comprises of an arra...
Ali Israr, Dillon P. Eng, Sastry S. Vedam, Marcia ...
IPPS
2009
IEEE
14 years 4 months ago
Exploring the effect of block shapes on the performance of sparse kernels
In this paper we explore the impact of the block shape on blocked and vectorized versions of the Sparse Matrix-Vector Multiplication (SpMV) kernel and build upon previous work by ...
Vasileios Karakasis, Georgios I. Goumas, Nectarios...
CMSB
2009
Springer
14 years 4 months ago
Modelling Biological Clocks with Bio-PEPA: Stochasticity and Robustness for the Neurospora crassa Circadian Network
Circadian clocks are biochemical networks, present in nearly all living organisms, whose function is to regulate the expression of specific mRNAs and proteins to synchronise rhyth...
Ozgur E. Akman, Federica Ciocchetta, Andrea Degasp...