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A prototype of distributed modelling environment

A prototype of distributed modelling environment. Piotr Celej, Piotr Rzepakowski National Institute of Telecommunications Poland p.celej@itl.waw.pl; p.rzepakowski@itl.waw.pl. Agenda. Modelling process Approaches Broker ALMOR Summary. Modelling process. Symbolic model definition.

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A prototype of distributed modelling environment

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  1. A prototype of distributed modelling environment Piotr Celej, Piotr Rzepakowski National Institute of Telecommunications Poland p.celej@itl.waw.pl; p.rzepakowski@itl.waw.pl

  2. Agenda • Modelling process • Approaches • Broker • ALMOR • Summary Piotr Celej, Piotr Rzepakowski

  3. Modelling process Symbolic model definition Model instance Computational problem Problem generator Analyses Data Results Solver Data Base Piotr Celej, Piotr Rzepakowski

  4. Approaches • AMPL - modelling system optimisation driven • NEOS - access to solvers via the WEB • DecisionNet & My System - broker based access to resources Piotr Celej, Piotr Rzepakowski

  5. Prototype - architecture User Interface Broker (manager) User Interface Supplier Agent Supplier Agent Resource model, data, solver Resource model, data, solver Piotr Celej, Piotr Rzepakowski

  6. Prototype - how it works Piotr Celej, Piotr Rzepakowski

  7. ALMOR • Common Model Representation • Object Oriented Approach • XML tags language • Relational database structure for models Piotr Celej, Piotr Rzepakowski

  8. ALMOR - architecture Piotr Celej, Piotr Rzepakowski

  9. ALMOR background • SML (Structured Modelling Language) • Experience, • Aggregation mechanism • Modelica • Inheritance, • Focus on simulation. • MathML - expression specification. • XML (Extensible Modelling Language) • Data and model separation Piotr Celej, Piotr Rzepakowski

  10. Model designer Piotr Celej, Piotr Rzepakowski

  11. Summary • Now • small set of resources • simple interface • Future • extend user interface capabilities • extend management capabilities • case study on real problems Piotr Celej, Piotr Rzepakowski

  12. Questions Piotr Celej, Piotr Rzepakowski

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