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TSC
2008
144views more  TSC 2008»
14 years 11 months ago
Probabilistic QoS and Soft Contracts for Transaction-Based Web Services Orchestrations
Service level agreements (SLAs), or contracts, have an important role in web services. These contracts define the obligations and rights between the provider of a web service and i...
Sidney Rosario, Albert Benveniste, Stefan Haar, Cl...
DIM
2005
ACM
15 years 1 months ago
Establishing and protecting digital identity in federation systems
We develop solutions for the security and privacy of user identity information in a federation. By federation we mean a group of organizations or service providers which have buil...
Abhilasha Bhargav-Spantzel, Anna Cinzia Squicciari...
CCGRID
2008
IEEE
15 years 6 months ago
Reputation-Based Estimation of Individual Performance in Grids
Hidden information is a critical issue for the successful delivery of SLAs in grid systems. It arises when the agents (hardware and software resources) employed to serve a task be...
Thanasis G. Papaioannou, George D. Stamoulis
CASCON
2007
138views Education» more  CASCON 2007»
15 years 28 days ago
SLA-driven business process management in SOA
The management of non-functional goals, or Service Level Agreements (SLA), in the development of business processes in a Service Oriented Architecture often requires much manual a...
Vinod Muthusamy, Hans-Arno Jacobsen, Phil Coulthar...
CSE
2009
IEEE
15 years 2 months ago
Self-Adaptation of Fault Tolerance Requirements Using Contracts
Fault tolerance is a constant concern in data centers where servers have to run with a minimal level of failures. Changes on the operating conditions or on server demands, and var...
André Luiz B. Rodrigues, Leila N. Bezerra, ...