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GLOBECOM
2009
IEEE
15 years 1 months ago
2009
IEEE
In this paper, cognitive transmission under quality of service (QoS) constraints is studied. In the cognitive radio channel model, it is assumed that the secondary transmitter sen...
COOPIS
2004
IEEE
15 years 1 months ago
2004
IEEE
Current ubiquitous computing environments provide many kinds of information. This information may be accessed by different users under varying conditions depending on various conte...
DATE
2004
IEEE
15 years 1 months ago
2004
IEEE
A distributed sensor network (DSN) designed to cover a given region R, is said to be alive if there is at least one subset of sensors that can collectively cover (sense) the regio...
SIGGRAPH
1995
ACM
15 years 1 months ago
1995
ACM
Physically-based modeling has been used in the past to support a variety of interactive modeling tasks including free-form surface design, mechanism design, constrained drawing, a...
CIKM
2008
Springer
14 years 11 months ago
2008
Springer
We introduce a unified graph representation of the Web, which includes both structural and usage information. We model this graph using a simple union of the Web's hyperlink ...