bio intelligence lab thespian : using multi-agent fitting to craft interactive drama 1 - mei si,...

1

Bio intelligence Lab

Thespian : Using Multi-Agent

Fitting to Craft Interactive Drama

- Mei Si, Stacy C. Marsella, and David V. Pynadath

2


INTRODUCTION

3


Entertainment / Education Tool

“Thespian Framework”

4


•Multi-Agent :기존의 linear script 방식 대신 인공지능

agent

•Personality and Goal: 각 캐릭터에 대한 인격과 목표를 설정함

•Dynamic function : 각 Action 에 필요한 기능 제공

Introduction

5


EXAMPLE DOMAIN

6


Examples1) TactLang : a military language training system2) The Fisherman and his Wife

7

Bio intelligence LabExample _ TactLang

Student : (to Young man)Who is the most

important official in this town?Young man : (to Old man) Slow down! (to Student) Who are you?Student (to Young man) :

We are Americans.Young man :

(to Student) CIA?Student : (to Young man)

No, sir, we are from the American Army, Spe-cial Forces.

8


THESPIAN

9


•PsychSim :a multi-agent system for social

simulation based on Partially Observable Markov Decision Problems(POMDPs)

Thespian is based on PsychSim

10


PsychSim agents have a policy1) reactive rules 2) bounded optimality, determined by limited

lookahead3) a mixture of these reactive and deliberative

policies

11

Bio intelligence LabAgent State

•Thespian character models are independent from story

12


• Acting Sequence : Turn-taking sys-tem

Arousal 이 가장 높은 캐릭터가 먼저 대화함 .

• Agent Policy and Beliefs about Pol-icy

Lookahead : 행동 시 근 미래에 대한 예측을 하여 , 최적화된 의사 결정을 선택함

• Character Personality and FittingPersonality 를 Lookahead 를 통해 스토리에

맞게 행동을 fitting 함 .

Agent system

13


AUTHORING

14


15


• Building Story Environment1) 각 캐릭터에 대한 Abstract List 작성2) 기존에 만들어진 캐릭터에서 재활용 시도3) 불가능 시 , 새로운 캐릭터 제작

• Character AuthoringInitial Condition 작성 및 Goal 과 Goal

weight 를 story 에 맞게 조정

16


• Reusability of Character1) Transferring Characters to New Environment

이식하려는 캐릭터가 유사한 Goal 을 가지고 있을때 .

2) Creating New Characters여러 캐릭터를 결합해서 새로운 캐릭터 생성

17


EXPERIMENTS

18


1) Tactlang 1 scene -> 2,3 scene : GOOD

간단한 dynamic function 만 추가 .

2) Old man + 2 Social weight -> Fish첫 번째는 good, 두 번째는 bad

3) Old man + Goals -> Fish : GOOD물고기가 스토리의 모든 조건을 만족

4) Fisherman -> Young man : BADSafety 에 관심이 없어져 , 아무 질문도 안함

Reusability

19


1) 재 사용시 , 적절한 Goal 설정은 필수

2) 작가가 story detail 을 작성할 필요가 없어짐 .

Discussion

20


THANK YOU

bio intelligence lab thespian : using multi-agent fitting to craft interactive drama 1 - mei si,...

Documents