7988 search results - page 1270 / 1598 » A Useful Undecidable Theory |
177
click to vote
CCS
2008
ACM
15 years 8 months ago
2008
ACM
Pervasive computing environments have created a requirement for spatial- and temporal-aware access control systems. Although temporal, spatial and spatio-temporal role-based acces...
189
click to vote
CCS
2008
ACM
15 years 8 months ago
2008
ACM
A recent development in formal security protocol analysis is the Protocol Composition Logic (PCL). We identify a number of problems with this logic as well as with extensions of t...
206
click to vote
CCS
2008
ACM
15 years 8 months ago
2008
ACM
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege contained in an acce...
167
click to vote
CDC
2008
IEEE
15 years 8 months ago
2008
IEEE
Abstract-- The aim of this paper is to address left invertibility for dynamical systems with inputs and outputs in discrete sets. We study systems that evolve in discrete time with...
179
click to vote
CIKM
2008
Springer
15 years 8 months ago
2008
Springer
We introduce the Ranked Feature Fusion framework for information retrieval system design. Typical information retrieval formalisms such as the vector space model, the bestmatch mo...