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INFOCOM
2012
IEEE
12 years 13 days ago
Towards temporal access control in cloud computing
—Access control is one of the most important security mechanisms in cloud computing. Attribute-based access control provides a flexible approach that allows data owners to integ...
Yan Zhu, Hongxin Hu, Gail-Joon Ahn, Dijiang Huang,...
SEBD
2001
145views Database» more  SEBD 2001»
13 years 11 months ago
Reasoning over Conceptual Schemas and Queries in Temporal Databases
This paper introduces a new logical formalism, intended for temporal conceptual modelling, as a natural combination of the well-known description logic DLR and point-based linear ...
Alessandro Artale, Enrico Franconi, Milenko Mosuro...
ICEBE
2009
IEEE
118views Business» more  ICEBE 2009»
13 years 7 months ago
Temporal Exception Prediction for Loops in Resource Constrained Concurrent Workflows
Workflow management systems (WfMS) are widely used for improving business processes and providing better quality of services. However, rapid changes in business environment can ca...
Iok-Fai Leong, Yain-Whar Si
COLING
2010
13 years 5 months ago
Comparison of different algebras for inducing the temporal structure of texts
This paper investigates the impact of using different temporal algebras for learning temporal relations between events. Specifically, we compare three intervalbased algebras: Alle...
Pascal Denis, Philippe Muller
CPAIOR
2005
Springer
14 years 3 months ago
The Temporal Knapsack Problem and Its Solution
Abstract. This paper introduces a problem called the temporal knapsack problem, presents several algorithms for solving it, and compares their performance. The temporal knapsack pr...
Mark Bartlett, Alan M. Frisch, Youssef Hamadi, Ian...