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» Managing the Evolution of Service Specifications
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TKDE
2008
169views more  TKDE 2008»
14 years 9 months ago
A Cost-Based Approach to Adaptive Resource Management in Data Stream Systems
Data stream management systems need to control their resources adaptively since stream characteristics and query workload may vary over time. In this paper we investigate an approa...
Michael Cammert, Jürgen Krämer, Bernhard...
FGCS
2008
107views more  FGCS 2008»
14 years 10 months ago
Dynamic security context management in Grid-based applications
This paper summarises ongoing research and recent results on the development of flexible access control infrastructure for complex resource provisioning in Grid-based collaborativ...
Yuri Demchenko, Olle Mulmo, Leon Gommans, Cees de ...
TKDE
2008
177views more  TKDE 2008»
14 years 9 months ago
Analyzing and Managing Role-Based Access Control Policies
Today more and more security-relevant data is stored on computer systems; security-critical business processes are mapped to their digital counterparts. This situation applies to ...
Karsten Sohr, Michael Drouineaud, Gail-Joon Ahn, M...
BTW
2007
Springer
189views Database» more  BTW 2007»
15 years 4 months ago
Reconsidering Consistency Management in Shared Data Spaces for Emergency and Rescue Applications
: Efficient information sharing is very important for emergency and rescue operations. These operations often have to be performed in environments where no communication infrastruc...
Thomas Plagemann, Ellen Munthe-Kaas, Vera Goebel
PODS
2006
ACM
132views Database» more  PODS 2006»
15 years 10 months ago
Principles of dataspace systems
The most acute information management challenges today stem from organizations relying on a large number of diverse, interrelated data sources, but having no means of managing the...
Alon Y. Halevy, Michael J. Franklin, David Maier