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» Distributed Data Structure Design for Scientific Computation
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CCS
2007
ACM
15 years 6 months ago
Managing RBAC states with transitive relations
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
Chaoyi Pang, David P. Hansen, Anthony J. Maeder
71
Voted
SPAA
2004
ACM
15 years 6 months ago
On-the-fly maintenance of series-parallel relationships in fork-join multithreaded programs
A key capability of data-race detectors is to determine whether one thread executes logically in parallel with another or whether the threads must operate in series. This paper pr...
Michael A. Bender, Jeremy T. Fineman, Seth Gilbert...
PPOPP
1990
ACM
15 years 4 months ago
Concurrent Aggregates (CA)
Toprogrammassivelyconcurrent MIMDmachines, programmersneed tools for managingcomplexity. One important tool that has been used in the sequential programmingworld is hierarchies of...
Andrew A. Chien, William J. Dally
119
Voted
CIKM
2008
Springer
15 years 2 months ago
Modeling hidden topics on document manifold
Topic modeling has been a key problem for document analysis. One of the canonical approaches for topic modeling is Probabilistic Latent Semantic Indexing, which maximizes the join...
Deng Cai, Qiaozhu Mei, Jiawei Han, Chengxiang Zhai
FOCS
2010
IEEE
14 years 10 months ago
Boosting and Differential Privacy
Boosting is a general method for improving the accuracy of learning algorithms. We use boosting to construct improved privacy-preserving synopses of an input database. These are da...
Cynthia Dwork, Guy N. Rothblum, Salil P. Vadhan