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» Language as a Complex Adaptive System
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SP
1997
IEEE
134views Security Privacy» more  SP 1997»
14 years 2 months ago
A Logical Language for Expressing Authorizations
A major drawback of existing access control systems is that they have all been developed with a specific access control policy in mind. This means that all protection requirement...
Sushil Jajodia, Pierangela Samarati, V. S. Subrahm...
IEEESCC
2007
IEEE
14 years 4 months ago
Swift: Fast, Reliable, Loosely Coupled Parallel Computation
A common pattern in scientific computing involves the execution of many tasks that are coupled only in the sense that the output of one may be passed as input to one or more other...
Yong Zhao, Mihael Hategan, Ben Clifford, Ian T. Fo...
EACL
2006
ACL Anthology
13 years 11 months ago
Adaptive Transformation-Based Learning for Improving Dictionary Tagging
We present an adaptive technique that enables users to produce a high quality dictionary parsed into its lexicographic components (headwords, pronunciations, parts of speech, tran...
Burcu Karagol-Ayan, David S. Doermann, Amy Weinber...
CC
2007
Springer
121views System Software» more  CC 2007»
13 years 10 months ago
If NP Languages are Hard on the Worst-Case, Then it is Easy to Find Their Hard Instances
We prove that if NP ⊆ BPP, i.e., if SAT is worst-case hard, then for every probabilistic polynomial-time algorithm trying to decide SAT, there exists some polynomially samplable ...
Dan Gutfreund, Ronen Shaltiel, Amnon Ta-Shma
UM
2005
Springer
14 years 3 months ago
Decision Theoretic Dialogue Planning for Initiative Problems
The taking of initiative has significance in spoken language dialogue systems and in human-computer interaction. A system that takes no initiative may fail to seize opportunities ...
Bryan McEleney, Gregory M. P. O'Hare