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CCS
2007
ACM
14 years 1 months ago
A simple and expressive semantic framework for policy composition in access control
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...
Glenn Bruns, Daniel S. Dantas, Michael Huth
CIKM
2007
Springer
14 years 1 months ago
Hybrid results merging
The problem of results merging in distributed information retrieval environments has been approached by two different directions in research. Estimation approaches attempt to cal...
Georgios Paltoglou, Michail Salampasis, Maria Satr...
ER
2007
Springer
157views Database» more  ER 2007»
14 years 1 months ago
Perceived vs. Measured Quality of Conceptual Schemas: An Experimental Comparison
Frequently the behaviour of an information system is functionally correct, but it does not meet some quality criteria, such as completeness, consistency, and usability. One way to...
Samira Si-Said Cherfi, Jacky Akoka, Isabelle Comyn...
FSTTCS
2007
Springer
14 years 1 months ago
Probabilistic Analysis of the Degree Bounded Minimum Spanning Tree Problem
In the b-degree constrained Euclidean minimum spanning tree problem (bMST) we are given n points in [0;1]d and a degree constraint b  2. The aim is to nd a minimum weight spannin...
Anand Srivastav, Sören Werth
HIPC
2007
Springer
14 years 1 months ago
Channel Adaptive Real-Time MAC Protocols for a Two-Level Heterogeneous Wireless Network
Abstract. Wireless technology is becoming an attractive mode of communication for real-time applications in typical settings such as in an industrial setup because of the tremendou...
Kavitha Balasubramanian, G. Sudha Anil Kumar, G. M...