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Prototype of a Distributed Modelling Environment: Enhancing Resource Access and Management

This presentation explores a prototype of a distributed modelling environment developed by Piotr Celej and Piotr Rzepakowski from the National Institute of Telecommunications, Poland. It covers the modelling process, approaches like AMPL and NEOS, as well as a broker-based access system (ALMOR). The architecture, user interfaces, and relational database structures for model representation are discussed. The summary highlights current capabilities, future enhancements, and practical case studies on real problems, aiming to advance resource management and user interface solutions in distributed modelling.

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Prototype of a Distributed Modelling Environment: Enhancing Resource Access and Management

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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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