2. A Framework for Autonomous Agent interaction Presented by Ittai Balaban, Ofer Cohen Instructed by Dr. Michael Elhadad Dept. of Computer Science Ben–Gurion University Of the Negev

3. What is the Matrix?

4. Introduction There exist many systems that implement world such as these. –MUDs –immersive virtual environments We built a toolkit for such worlds that generalizes these systems.

5. Our Model Provides for: Extensibility –An incremental world. –Adding components at run-time. –Components may grow during running the system. Modularity –System architecture (i.e. decoupling of graphics from framework) –Agents’ roles as reusable components.

6. Model Components A logical unit in the world  An Environment An entity in the world  An Agent An entity’s context of interaction  Agent role

7. Agents & Roles Every agent has more than one role. In the agent’s lifetime more roles may be added. Interaction with an agent is role-dependant.

8. The Environment An agent container which provides certain services Services can be general… –Notifications and queries. –These serve as an agent’s senses in relation to it’s world. … or specific –In our graphic application, we’ve added 3D- related services.

9. The Framework Part I – Generic World Framework Part II  – A 3 Dimensional Graphical Framework

10. Building an Agent = Creating a New Role

11. Part II The environment includes a graphical engine component (Java3D) Agents in this world can have visual representations.

12. Animation Language We defined an animation-description- language. Implemented using Java-3D. The language: –ADTs: Behavior, Event –Combination behaviors & events (i.e. Combining 2 behaviors sequentially to yield a new behavior. –Built-in building blocks: Basic behaviors, events.

13. Technologies Java Kawa Scheme Voyager ORB Java 3D

14. Deployment Scenario VM 1 VM 2 VM 3 Voyager ORB 3D env n 3D env 1 env 1 env n Voyager ORB Voyager Client Some Client Program

15. 3D Environment Agent 1 Generic Services 3D Component Agent 2Agent 4Agent 3

16. A Small World Blue floating balls The mentor – BlackBall Blue balls learn to interact from BlackBall (= Upgrade Agent?) : - )