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INFOCOM
2006
IEEE
16 years 15 days ago
Optimal Energy and Delay Tradeoffs for Multi-User Wireless Downlinks
— We consider the fundamental delay tradeoffs for minimizing energy expenditure in a multi-user wireless downlink with randomly varying channels. First, we extend the BerryGallag...
Michael J. Neely
CSCW
2000
ACM
15 years 10 months ago
Evolution of Contact Point: a case study of a help desk and its users
This paper describes the evolution of a concept, Contact Point, the research process through which it evolved, and the work context and practices which drove its evolution. Contac...
Lena Mamykina, Catherine G. Wolf
SP
1999
IEEE
145views Security Privacy» more  SP 1999»
15 years 10 months ago
A User-Centered, Modular Authorization Service Built on an RBAC Foundation
Psychological acceptability has been mentioned as a requirement for secure systems for as long as least privilege and fail safe defaults, but until now has been all but ignored in...
Mary Ellen Zurko, Richard Simon, Tom Sanfilippo
C5
2004
IEEE
15 years 10 months ago
Enabling Social Dimensions of Learning through a Persistent, Unified, Massively Multi-User, and Self-Organizing Virtual Environm
Existing online learning experiences lack the social dimension that characterizes learning in the real world. This social dimension extends beyond the traditional classroom into t...
Julian Lombardi, Mark P. McCahill
AIIA
1991
Springer
15 years 10 months ago
Knowledge-Based Media Coordination in Intelligent User Interfaces
Multimodal interfaces combining, e.g., natural language and graphics take advantage of both the individual strength of each communication mode and the fact that several modes can ...
Wolfgang Wahlster, Elisabeth André, Winfrie...