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DOLAP
2009
ACM
13 years 11 months ago
Defining ETL worfklows using BPMN and BPEL
Decisional systems are crucial for enterprise improvement. They allow the consolidation of heterogeneous data from distributed enterprise data stores into strategic indicators. An...
Zineb El Akkaoui, Esteban Zimányi
DFG
2003
Springer
14 years 1 months ago
Inheritance of Business Processes: A Journey Visiting Four Notorious Problems
Abstract. The new millennium is characterized by speed and distribution in every aspect of most business and organization undertaking. Organizations are challenged to bring ideas a...
Wil M. P. van der Aalst
ICICS
2003
Springer
14 years 29 days ago
A Policy Based Framework for Access Control
This paper presents a policy-based framework for managing access control in distributed heterogeneous systems. This framework is based on the PDP/PEP approach. The PDP (Policy Deci...
Ricardo Nabhen, Edgard Jamhour, Carlos Maziero
CCGRID
2011
IEEE
12 years 11 months ago
Improving Utilization of Infrastructure Clouds
— A key advantage of Infrastructure-as-a-Service (IaaS) clouds is providing users on-demand access to resources. However, to provide on-demand access, cloud providers must either...
Paul Marshall, Kate Keahey, Timothy Freeman
SIGCOMM
2010
ACM
13 years 8 months ago
NapSAC: design and implementation of a power-proportional web cluster
Energy consumption is a major and costly problem in data centers. A large fraction of this energy goes to powering idle machines that are not doing any useful work. We identify tw...
Andrew Krioukov, Prashanth Mohan, Sara Alspaugh, L...