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CVPR
2011
IEEE
14 years 8 months ago
Tag Localization with Spatial Correlations and Joint Group Sparsity
Nowadays numerous social images have been emerging on the Web. How to precisely label these images is critical to image retrieval. However, traditional image-level tagging methods...
Yang Yang, Yi Yang, Zi Huang, Heng Tao Shen, Feipi...
CN
2004
122views more  CN 2004»
15 years 4 months ago
Group rekeying with limited unicast recovery
In secure group communications, a key server can deliver a "grouporiented" rekey message [22] to a large number of users efficiently using multicast. For reliable delive...
X. Brian Zhang, Simon S. Lam, Dong-Young Lee
ECCC
2011
282views ECommerce» more  ECCC 2011»
14 years 11 months ago
Almost k-wise vs. k-wise independent permutations, and uniformity for general group actions
A family of permutations in Sn is k-wise independent if a uniform permutation chosen from the family maps any distinct k elements to any distinct k elements equally likely. Effici...
Noga Alon, Shachar Lovett
TASE
2010
IEEE
14 years 11 months ago
Optimization of Group Elevator Scheduling With Advance Information
Group elevator scheduling has received considerable attention due to its importance to transportation efficiency for mid-rise and high-rise buildings. One important trend to improv...
Jin Sun, Qianchuan Zhao, Peter B. Luh
INFOCOM
2006
IEEE
15 years 11 months ago
Mistreatment in Distributed Caching Groups: Causes and Implications
— Although cooperation generally increases the amount of resources available to a community of nodes, thus improving individual and collective performance, it also allows for the...
Nikolaos Laoutaris, Georgios Smaragdakis, Azer Bes...