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VTC
2007
IEEE
184views Communications» more  VTC 2007»
15 years 10 months ago
Adaptive Spread Spectrum Multicarrier Multiple-Access for UWB Systems
—Ultra-wideband (UWB) has emerged as an exciting technology for short range, high data rate wireless personal area networks (WPAN) applications. The multiband orthogonal frequenc...
Antoine Stephan, Jean-Yves Baudais, Jean-Fran&cced...
ACNS
2007
Springer
94views Cryptology» more  ACNS 2007»
15 years 10 months ago
Preventing Collusion Attacks on the One-Way Function Tree (OFT) Scheme
The one-way function tree (OFT) scheme proposed by Balenson et. al is widely regarded as an efficient key management solution for multicast communication in large dynamic groups. ...
Xuxin Xu, Lingyu Wang, Amr M. Youssef, Bo Zhu
BTW
2007
Springer
142views Database» more  BTW 2007»
15 years 10 months ago
Algebraic Query Optimization for Distributed Top-k Queries
: Distributed top-k query processing is increasingly becoming an essential functionality in a large number of emerging application classes. This paper addresses the efficient alge...
Thomas Neumann, Sebastian Michel
CEAS
2007
Springer
15 years 10 months ago
Discovering Leadership Roles in Email Workgroups
Email is a key communication tool for collaborative workgroups. In this paper, we investigate how team leadership roles can be inferred from a collection of email messages exchang...
Vitor R. Carvalho, Wen Wu, William W. Cohen
CIA
2007
Springer
15 years 10 months ago
Trust Modeling with Context Representation and Generalized Identities
Abstract. We present a trust model extension that attempts to relax the assumptions that are currently taken by the majority of existing trust models: (i) proven identity of agents...
Martin Rehák, Michal Pechoucek