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ICASSP
2009
IEEE
14 years 4 months ago
Beacon-assisted spectrum access with cooperative cognitive transmitter and receiver
—Spectrum access is an important function of cognitive radios for detecting and utilizing spectrum holes without harming the legacy systems. In this paper, we propose novel coope...
Ali Tajer, Xiaodong Wang
SPATIALCOGNITION
2000
Springer
14 years 1 months ago
Cognitive Zoom: From Object to Path and Back Again
This paper posits the usefulness of mental shifts of scale and perspective in thinking and communicating about spatial relations, and describes two experimental techniques for res...
Carol Strohecker
MOBIHOC
2010
ACM
13 years 7 months ago
Spectrum pricing games with bandwidth uncertainty and spatial reuse in cognitive radio networks
In cognitive radio networks (CRN), primary users can lease out their unused bandwidth to secondary users in return for a fee. We study price competition in a CRN with multiple pri...
Gaurav S. Kasbekar, Saswati Sarkar
ICIP
2003
IEEE
14 years 3 months ago
Automatically organizing digital photographs using time and content
We present similarity-based methods to cluster digital photos by time and image content. This approach is general, unsupervised, and makes minimal assumptions regarding the struct...
Matthew L. Cooper, Jonathan Foote, Andreas Girgens...
WCE
2007
13 years 11 months ago
Beyond Web Intermediaries: A Framework for Securing Digital Content on Client Systems
—The move to begin to place liabilities for copyright violations on internet intermediaries such as ISPs and Cyber Cafes as a result of contents allowed through their networks is...
Stella C. Chiemeke, Olumide B. Longe