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AGI
2011
14 years 11 months ago
Extending Cognitive Architectures with Semantic Resources
This paper presents an integrated modeling framework where the learning and knowledge retrieval mechanisms of the ACT-R cognitive architecture are combined with a semantic resource...
Alessandro Oltramari, Christian Lebiere
SIGECOM
2010
ACM
226views ECommerce» more  SIGECOM 2010»
16 years 13 days ago
Auctions with online supply
We study the problem of selling identical goods to n unit-demand bidders in a setting in which the total supply of goods is unknown to the mechanism. Items arrive dynamically, and...
Moshe Babaioff, Liad Blumrosen, Aaron Roth
CCS
2007
ACM
16 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
SIGMOD
2009
ACM
157views Database» more  SIGMOD 2009»
16 years 7 months ago
Asynchronous view maintenance for VLSD databases
The query models of the recent generation of very large scale distributed (VLSD) shared-nothing data storage systems, including our own PNUTS and others (e.g. BigTable, Dynamo, Ca...
Parag Agrawal, Adam Silberstein, Brian F. Cooper, ...
VEE
2010
ACM
291views Virtualization» more  VEE 2010»
16 years 2 months ago
Neon: system support for derived data management
Modern organizations face increasingly complex information management requirements. A combination of commercial needs, legal liability and regulatory imperatives has created a pat...
Qing Zhang, John McCullough, Justin Ma, Nabil Sche...