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» The Small Model Property: How Small Can It Be
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AI
2005
Springer
13 years 9 months ago
Knowledge updates: Semantics and complexity issues
We consider the problem of how an agent's knowledge can be updated. We propose a formal method of knowledge update on the basis of the semantics of modal logic S5. In our met...
Chitta Baral, Yan Zhang
SOSP
2007
ACM
14 years 6 months ago
Attested append-only memory: making adversaries stick to their word
Researchers have made great strides in improving the fault tolerance of both centralized and replicated systems against arbitrary (Byzantine) faults. However, there are hard limit...
Byung-Gon Chun, Petros Maniatis, Scott Shenker, Jo...
HICSS
2009
IEEE
114views Biometrics» more  HICSS 2009»
14 years 3 months ago
Reexamining Threat Rigidity: Implications for Design
Emergencies today seem larger, more complex, and unique than those of the past. Responding to them requires flexibility and creativity not easily achieved. The threat-rigidity the...
Linda Plotnick, Murray Turoff, Gerd Van Den Eede
ATC
2009
Springer
14 years 3 months ago
A Universal Self-Organization Mechanism for Role-Based Organic Computing Systems
Abstract. An Organic Computing system has the ability to autonomously (re-)organize and adapt itself. Such a system exhibits so called self-x properties (e.g. self-healing) and is ...
Florian Nafz, Frank Ortmeier, Hella Seebach, Jan-P...
CTRSA
2007
Springer
184views Cryptology» more  CTRSA 2007»
14 years 3 months ago
Cryptanalysis of Reduced Variants of the FORK-256 Hash Function
FORK-256 is a hash function presented at FSE 2006. Whereas SHA-like designs process messages in one stream, FORK-256 uses four parallel streams for hashing. In this article, we pre...
Florian Mendel, Joseph Lano, Bart Preneel