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CIKM
2000
Springer
15 years 2 months ago
Extending OLAP Querying to External Object Databases
On-Line Analytical Processing (OLAP) systems based on a multidimensional view of data have found widespread use in business applications and are being used increasingly in non-sta...
Torben Bach Pedersen, Arie Shoshani, Junmin Gu, Ch...
WWW
2005
ACM
15 years 10 months ago
SemRank: ranking complex relationship search results on the semantic web
While the idea that querying mechanisms for complex relationships (otherwise known as Semantic Associations) should be integral to Semantic Web search technologies has recently ga...
Kemafor Anyanwu, Angela Maduko, Amit P. Sheth
ELPUB
2006
ACM
15 years 3 months ago
An Architecture of Authoring Environments for the Semantic Web
Among the new possibilities that the Semantic Web has enabled, the authoring task is considered as a key moment for semantic representation of knowledge to enhance publishing need...
Edgard Costa Oliveira, Mamede Lima-Marques
SACMAT
2009
ACM
15 years 4 months ago
Towards formal security analysis of GTRBAC using timed automata
An access control system is often viewed as a state transition system. Given a set of access control policies, a general safety requirement in such a system is to determine whethe...
Samrat Mondal, Shamik Sural, Vijayalakshmi Atluri
APN
1993
Springer
15 years 1 months ago
Coloured Petri Nets Extended with Place Capacities, Test Arcs and Inhibitor Arcs
In this paper we show how to extend Coloured Petri Nets (CP-nets), with three new modelling primitives—place capacities, test arcs and inhibitor arcs. The new modelling primitiv...
Søren Christensen, Niels Damgaard Hansen