Sciweavers

1169 search results - page 96 / 234
» Degrees of monotone complexity
Sort
View
MOBIHOC
2009
ACM
15 years 7 months ago
Revenue generation for truthful spectrum auction in dynamic spectrum access
Spectrum is a critical yet scarce resource and it has been shown that dynamic spectrum access can significantly improve spectrum utilization. To achieve this, it is important to ...
Juncheng Jia, Qian Zhang, Qin Zhang, Mingyan Liu
90
Voted
CISS
2007
IEEE
15 years 7 months ago
Differential Space-Frequency Group Codes for MIMO-OFDM
— In recent years, coherent space-frequency (SF) coded multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems have attracted great attentio...
Engin Zeydan, Ufuk Tureli
GMP
2006
IEEE
127views Solid Modeling» more  GMP 2006»
15 years 6 months ago
Finding All Undercut-Free Parting Directions for Extrusions
For molding and casting processes, geometries that have undercut-free parting directions (UFPDs) are preferred for manufacturing. Identifying all UFPDs for arbitrary geometries at ...
Xiaorui Chen, Sara McMains
SIGECOM
2005
ACM
105views ECommerce» more  SIGECOM 2005»
15 years 6 months ago
Towards truthful mechanisms for binary demand games: a general framework
The family of Vickrey-Clarke-Groves (VCG) mechanisms is arguably the most celebrated achievement in truthful mechanism design. However, VCG mechanisms have their limitations. They...
Ming-Yang Kao, Xiang-Yang Li, Weizhao Wang
97
Voted
GIS
2009
ACM
15 years 5 months ago
Data structures and intersection algorithms for 3D spatial data types
Apart from visualization tasks, three-dimensional (3D) data management features are not or only hardly available in current spatial database systems and Geographic Information Sys...
Tao Chen, Markus Schneider