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MASQUE Multi-Agent System for Supporting the Quest for Urban Excellence DDSS group presentation

MASQUE Multi-Agent System for Supporting the Quest for Urban Excellence DDSS group presentation 20/06/02. Dick Saarloos. Contents. Recall MASQUE Local Urban Planning Instruments Plan development process Complicating factors Computer Assistance in Urban Planning

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MASQUE Multi-Agent System for Supporting the Quest for Urban Excellence DDSS group presentation

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  1. MASQUEMulti-Agent System for Supporting the Quest for Urban Excellence DDSS group presentation 20/06/02 Dick Saarloos

  2. Contents • Recall MASQUE • Local Urban Planning • Instruments • Plan development process • Complicating factors • Computer Assistance in Urban Planning • Potentials and difficulties • Prospects of Artificial Intelligence • MASQUE Planning Support System • Organizational system parts • Multi-Agents • Implementation Issues

  3. MASQUE ~ Program & Project • Research program “Local Urban Planning Support System” • Improving quality of decision-making • Multidisciplinary knowledge representation • Models, methods and techniques • Applying Multi-Agent technology • Research project • MA Framework • Case study ~ usefulness of MA-PSS

  4. Instruments of Local Government • Planning instruments • Structure plan • Outline of overall urban development policy • Thematic plan • Development policy for a specific land-use • Land use plan • Legally-binding regulations for permissible land-use • Design instruments • e.g. (re)development plan • Arrangement of masses and spaces

  5. Urban Plan Development Process • Process phases (Rutledge, 1971) • Survey • Inventory • Program • Analysis • Site Analysis • Relationship Diagrams • Synthesis • Design Concepts • Plan Refinement & Finalization

  6. Complicating Factors • Procedural irregularities (Batty & Densham, 1996) • Iterations • Incompleteness & dilution • “Nature of the problem” (Yeh & Shi, 1999) • Complexity • Many interwoven factors and relationships • Uncertainty • Unclear cause-effect relationships • Situational factors • Subjectivity • Urge for creativity

  7. Computer Assistance • Core task in Local Urban Planning • “Find the optimal spatial configuration of land uses while taking into account both land suitability and land use characteristics.” • Basic potentials • Enumeration of alternatives • Multi-criteria evaluation • Needs • Multidisciplinary knowledge • Methodological tools

  8. Prospects of Artificial Intelligence • Planning Support System ~ ideal • GIS capabilities • Purpose-built decision support models • Visualization • Knowledge • Multi-Agents • Multi-actor decision-making • Modelling • User-System interaction

  9. MASQUE~ Organizational system parts • Inventory • Program • Analysis • Synthesis • Implementation • Monitoring (free after Rutledge, 1971)

  10. MASQUE Multi-Agent System Geographical Database Management System Model-Based Management System Dialogue Generation and Management System User MASQUE ~ System overview

  11. Interface Agents

  12. Tool Agents

  13. Domain Agents • Domains: Residential areas, Commercial areas, Transportation, Services, Landscape, Recreation, Technical infrastructure, Hydraulic constructions

  14. Implementation Issues • Software • MicroStation & MicroStation GeoGraphics • CAD & GIS functionalities • Java Agent DEvelopment Framework (JADE) • “Primitive” agent model and platform • No enforced agent architectures • Ready made behaviours for common agent tasks • Java Expert System Shell (JESS) • Define rule-based agent behaviours • Engine for executing behaviours

  15. The End

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