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GI
2001
Springer
14 years 1 months ago
Ontology-based Access to heterogeneous XML Data
: With the increase in popularity of XML on the Internet, the requirements of database management systems have shifted from traditional transaction-based databases towards the kind...
Lule Ahmedi, Pedro José Marrón, Geor...
SP
1999
IEEE
145views Security Privacy» more  SP 1999»
14 years 1 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
SIGGRAPH
1997
ACM
14 years 1 months ago
Rendering complex scenes with memory-coherent ray tracing
Simulating realistic lighting and rendering complex scenes are usually considered separate problems with incompatible solutions. Accurate lighting calculations are typically perfo...
Matt Pharr, Craig E. Kolb, Reid Gershbein, Pat Han...
AGENTS
1997
Springer
14 years 1 months ago
Integrating Communicative Action, Conversations and Decision Theory to Coordinate Agents
The coordination problem in multi-agent systems is the problem of managing dependencies between the activities of autonomous agents, in conditions of incomplete knowledge about th...
Mihai Barbuceanu, Mark S. Fox
SIGIR
1993
ACM
14 years 1 months ago
Subtopic Structuring for Full-Length Document Access
We argue that the advent of large volumes of full-length text, as opposed to short texts tracts and newswire, should be accompanied by corresponding new approaches to information ...
Marti A. Hearst, Christian Plaunt