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» Modeling Motivation in MicroPsi 2
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FOCS
2002
IEEE
14 years 13 days ago
Learning a Hidden Matching
We consider the problem of learning a matching (i.e., a graph in which all vertices have degree 0 or 1) in a model where the only allowed operation is to query whether a set of ve...
Noga Alon, Richard Beigel, Simon Kasif, Steven Rud...
CCS
2007
ACM
14 years 1 months ago
Administration in role-based access control
Administration of large-scale RBAC systems is a challenging open problem. We propose a principled approach in designing and analyzing administrative models for RBAC. We identify s...
Ninghui Li, Ziqing Mao
SIGIR
2000
ACM
13 years 12 months ago
An investigation of linguistic features and clustering algorithms for topical document clustering
We investigate four hierarchical clustering methods (single-link, complete-link, groupwise-average, and single-pass) and two linguistically motivated text features (noun phrase he...
Vasileios Hatzivassiloglou, Luis Gravano, Ankineed...
IPPS
2005
IEEE
14 years 1 months ago
MOCCA - Towards a Distributed CCA Framework for Metacomputing
— We describe the design and implementation of MOCCA, a distributed CCA framework implemented using the H2O metacomputing system. Motivated by the quest for appropriate metasyste...
Maciej Malawski, Dawid Kurzyniec, Vaidy S. Sundera...
CIE
2005
Springer
14 years 1 months ago
Complexity of Continuous Space Machine Operations
We investigate the computational complexity of an optical model of computation called the continuous space machine (CSM). We characterise worst case resource growth over time for e...
Damien Woods, J. Paul Gibson