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SACMAT
2006
ACM
16 years 4 days ago
Fine-grained role-based delegation in presence of the hybrid role hierarchy
Delegation of authority is an important process that needs to be captured by any access control model. In role-based access control models, delegation of authority involves delega...
James B. D. Joshi, Elisa Bertino
MM
2005
ACM
164views Multimedia» more  MM 2005»
15 years 11 months ago
Automatic discovery of query-class-dependent models for multimodal search
We develop a framework for the automatic discovery of query classes for query-class-dependent search models in multimodal retrieval. The framework automatically discovers useful q...
Lyndon S. Kennedy, Apostol Natsev, Shih-Fu Chang
PLDI
2005
ACM
15 years 11 months ago
Composing security policies with polymer
We introduce a language and system that supports definition and composition of complex run-time security policies for Java applications. Our policies are comprised of two sorts o...
Lujo Bauer, Jay Ligatti, David Walker
SIGIR
2005
ACM
15 years 11 months ago
Orthogonal locality preserving indexing
We consider the problem of document indexing and representation. Recently, Locality Preserving Indexing (LPI) was proposed for learning a compact document subspace. Different from...
Deng Cai, Xiaofei He
OOPSLA
2005
Springer
15 years 11 months ago
Adding trace matching with free variables to AspectJ
An aspect observes the execution of a base program; when certain actions occur, the aspect runs some extra code of its own. In the AspectJ language, the observations that an aspec...
Chris Allan, Pavel Avgustinov, Aske Simon Christen...