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ICALP
2009
Springer
14 years 8 months ago
Revisiting the Direct Sum Theorem and Space Lower Bounds in Random Order Streams
Estimating frequency moments and Lp distances are well studied problems in the adversarial data stream model and tight space bounds are known for these two problems. There has been...
Sudipto Guha, Zhiyi Huang
EWSN
2007
Springer
14 years 7 months ago
Energy Consumption of Minimum Energy Coding in CDMA Wireless Sensor Networks
Abstract. A theoretical framework is proposed for accurate performance analysis of minimum energy coding schemes in Coded Division Multiple Access (CDMA) wireless sensor networks. ...
Benigno Zurita Ares, Carlo Fischione, Karl Henrik ...
IEEEARES
2008
IEEE
14 years 2 months ago
Experimental Demonstration of a Hybrid Privacy-Preserving Recommender System
Recommender systems enable merchants to assist customers in finding products that best satisfy their needs. Unfortunately, current recommender systems suffer from various privacy...
Esma Aïmeur, Gilles Brassard, José Man...
VTC
2006
IEEE
142views Communications» more  VTC 2006»
14 years 1 months ago
Payload Length and Rate Adaptation for Throughput Optimization in Wireless LANs
— Wireless local area networks offer a range of transmitted data rates that are to be selected according to estimated channel conditions. However, due to packet overheads and con...
Sayantan Choudhury, Jerry D. Gibson
AIME
2005
Springer
14 years 1 months ago
Ontology of Time and Situoids in Medical Conceptual Modeling
Time, events, changes, and processes play a major role in medical conceptual modeling. Representation of time-structures and reasoning about time-oriented medical data are importan...
Heinrich Herre, Barbara Heller