Optimization
by
Benedikt Liegener
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last modified
Apr 26, 2012 14:47
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filed under:
KnowledgeModel
Definitions
Term: Optimization |
Domain: Cross-cutting issues | ||||
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Engineering and Design (KM-ED) |
Adaptation and Monitoring (KM-AM) |
Quality Definition, Negotiation and
Assurance (KM-QA) |
Generic (domain independent) |
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D o m a i n : L a y e r s |
Business Process Management (KM-BPM) |
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Service Composition and
Coordination (KM-SC) |
Service composition optimization
relies on the two key elements: (i) up-to-date knowledge about quality
parameters of the participating services and (ii) a measure of the
sub-optimality of the composition. The latter is measured with the help
of a so-called utility function, which aggregates weighted measurements
of single quality properties of the involved services (e.g., cost, reliability, availability, performance, reputation) to
calculate the composition optimality [CD-JRA-1.2.2]. |
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Service Infrastructure (KM-SI) |
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Generic (domain independent) |
Optimization of a Service-Based Application is the process of modifying an application to make some aspect of it work more efficiently or use fewer resources. [PO-JRA-1.2.1] | In mathematics, computational science, or management science, mathematical optimization (alternatively, optimization or mathematical programming) refers to the selection of a best element from some set of available alternatives. [Wikipedia] |
Competencies
- POLIMI: Web service orchestration and QoS optimization; http://home.dei.polimi.it/pernici/ws-research.html; Barbara Pernici, Maria Grazia Fugini, Danilo Ardagna, Pierluigi Plebani, Cinzia Cappiello, Marco Comuzzi
- POLIMI: Dependable Evolvable Pervasive SE; http://deepse.dei.polimi.it/; Carlo Ghezzi, Elisabetta Di Nitto, Valentina Mazza, Andrea Mocci, Luca Cavallaro, Daniel Dubois
References
- [PO-JRA-1.2.1] Deliverable PO-JRA-1.2.1 State of the Art Report, Gap Analysis of Knowledge on Principles, Techniques and Methodologies for Monitoring and Adaptation of SBAs.
- [CD-JRA-1.2.2] Taxonomy of adaptation principles and mechanisms.
- [Wikipedia] http://en.wikipedia.org/wiki/Optimization