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JSAC
2008
13 years 9 months ago
2008
A cognitive radio (CR) network is often described as a secondary network operating in a frequency band originally licensed/allocated to a primary network consisting of one or multi...
MANSCI
2008
13 years 9 months ago
2008
In this paper, we study the contracting issues in an outsourcing supply chain consisting of a user company and a call center that does outsourcing work for the user company. We mo...
IANDC
2007
13 years 9 months ago
2007
We define reactive simulatability for general asynchronous systems. Roughly, simulatability means that a real system implements an ideal system (specification) in a way that pre...
JCP
2007
13 years 9 months ago
2007
— Currently, context awareness is one of the main trends in distributed mobile computing environments. Against this background, the demand for more complex – and additionally l...
CI
2005
13 years 9 months ago
2005
TRACT SPECIFICATIONS FEI XIA AND MARTHA PALMER Department of Computer and Information Science, University of Pennsylvania, Philadelphia, PA 19104 K. VIJAY-SHANKER Department of Com...