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» A Distributed Digital Text Accessing and Acquisition System
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CCS
2007
ACM
16 years 22 days ago
A simple and expressive semantic framework for policy composition in access control
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...
Glenn Bruns, Daniel S. Dantas, Michael Huth
MOBISYS
2004
ACM
16 years 6 months ago
Exponential Index: A Parameterized Distributed Indexing Scheme for Data on Air
Wireless data broadcast has received a lot of attention from industries and academia in recent years. Access efficiency and energy conservation are two critical performance concer...
Jianliang Xu, Wang-Chien Lee, Xueyan Tang
SENSYS
2004
ACM
15 years 12 months ago
Versatile low power media access for wireless sensor networks
We propose B-MAC, a carrier sense media access protocol for wireless sensor networks that provides a flexible interface to obtain ultra low power operation, effective collision a...
Joseph Polastre, Jason L. Hill, David E. Culler
DL
1995
Springer
124views Digital Library» more  DL 1995»
15 years 10 months ago
Early Prototypes of the Repository for Patterned Injury Data
We have constructed a proof-of-principle system for supporting collaborative forensic medicine. The early prototype is built on ABC/DGS, a graph-server and collaborative hypermedi...
Prasun Dewan, Kevin Jeffay, John Smith, P. David S...
WWW
2001
ACM
16 years 7 months ago
LiteMinutes: an Internet-based system for multimedia meeting minutes
The Internet provides a highly suitable infrastructure for sharing multimedia meeting records, especially as multimedia technologies become more lightweight and workers more mobil...
Patrick Chiu, John S. Boreczky, Andreas Girgensohn...