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Transcript of Northeastern Research Station Southern Research Station The University of Georgia Artificial...
![Page 1: Northeastern Research Station Southern Research Station The University of Georgia Artificial Intelligence Center An Agent Architecture for an Integrated.](https://reader035.fdocuments.in/reader035/viewer/2022072010/56649dba5503460f94aab074/html5/thumbnails/1.jpg)
Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
An Agent Architecture for an Integrated Forest Ecosystem
Management Decision Support System
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
Credits
University of GeorgiaD. Nute
W. D. PotterM. Dass
A. GlendeH. Uchiyama
F. MaierJ. Wang
USDA Forest ServiceH. M. Rauscher
M. J. Twery, S. Thomasma,
P. Knopp
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
Presentation Overview
• Introduction
• NED-2 Architecture
• NED-2 Ontology and Internal Data Model
• NED-2 Blackboard/Database Integration
• NED-2 Agents
• Future Plans
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
NED-2 is an Intelligent Information System for Decision Support for Forest Ecosystems
Introduction
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
NED-2: An Intelligent InformationSystem for Decision Support
Key design principles:
• A single, simple interface• Conversion between data formats without user
intervention• Open architecture• Components need no knowledge about other
components of the system
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
NED-2: An Intelligent InformationSystem for Decision Support
Features:
• Robust ontology• Semi-autonomous agents• Blackboard architecture
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External Models Blackboard
Prolog Clauses:
- Facts- Requests- Plans
Access Databases:
- User Preferences- Site Data- Inventory Data- Financial Data- Treatment Plans
Agents
Inference EnginesKnowledge Bases
Meta-knowledge Bases
Growth & Yield
Financial
GIS
Visualization
User Interface
NED-2 Architecture
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
• NED-2’s design was influenced with practicality as a motive:– Persistent data is stored in data- and knowledge
bases– Temporary information is stored as a set of
Prolog clauses – Information is stored as snapshots representing
the stand at a point in time under a particular treatment regime
NED-2 Ontology and Internal Data Model
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
Blackboard
NED-2 Blackboard/Database Integration
Metaknowledge:
Data Structure
Blackboard Handler
Prolog Clauses
Data cached in Prolog
Access Database
PrologQuery
Agents
PrologQuery
SQL
Example Query to retrieve information from the blackboard:
known(ba([stand(17),plan(`Maximize Timber`),year(2023)], BA)).
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
• NED-2 Interface Agent
• NED-2 Treatment Development Agent
• NED-2 Simulation Agent
NED-2 Agents Overview
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
Blackboard
Access Database
Inventory Data
Treatment Plans
Simulated Data
Metaknowledge:Semantics for Simulators
SimulationAgent
Knowledge Base:Treatment Definitions
Temporary InputFiles
Simulator
Temporary OutputFiles
NED-2 Simulation Agent
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
• NED-2 Interface Agent
• NED-2 Treatment Development Agent
• NED-2 Simulation Agent
• NED-2 Goal Analysis Agent
• NED-2 GIS Agent
NED-2 Agents Overview
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
Blackboard
Access Database
Inventory Data
Goal Selections
Simulated Data
GISAgent
Temporary InputFiles
GIS
Shape File
NED-2 GIS Agent
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
• NED-2 Interface Agent
• NED-2 Treatment Development Agent
• NED-2 Simulation Agent
• NED-2 Goal Analysis Agent
• NED-2 GIS Agent
• NED-2 Report Writer Agent
NED-2 Agents Overview
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
Blackboard
Access Database
Inventory Data:- Goal Selections- Report Selections- Treatment Plans- Simulated Data
Report PlanningAgent
Reports - HTMLFiles
Plan – Series of Request:- Analysis- Report Writing
ReportWriter
GoalAnalysis
NED-2 Report Writer Agent
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
• NED-2 Interface Agent
• NED-2 Treatment Development Agent
• NED-2 Simulation Agent
• NED-2 Goal Analysis Agent
• NED-2 GIS Agent
• NED-2 Report Writer Agent
• NED-2 Planning Agent
NED-2 Agents Overview
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Northeastern Research StationSouthern Research Station
The University of Georgia Artificial Intelligence Center
• Alpha version of NED-2 including functionality described has been completed
• Expansions– Improve and extend the goal analysis rules in NED-2– Understory and ground level simulation models are in
development– Development of further regeneration models– Additional overstory growth and yield models– Integration of visualization tools– Integration of a financial analysis model
Future Plans