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研究生:高超群
研究生(外文):Edward C.C. Kao
論文名稱:以知識本體論建構社會脈絡並支援社會推理
論文名稱(外文):Using Ontology to Establish Social Context and Support Social Reasoning
指導教授:蘇豐文蘇豐文引用關係
指導教授(外文):Von-Wun Soo
學位類別:碩士
校院名稱:國立清華大學
系所名稱:資訊系統與應用研究所
學門:電算機學門
學類:系統設計學類
論文種類:學術論文
論文出版年:2005
畢業學年度:93
語文別:英文
論文頁數:39
中文關鍵詞:擬真代理人本體論社會脈絡社會推理社會傾向社會承諾
外文關鍵詞:believable agentontologysocial contextsocial reasoningsocial dispositionsocial commitment
相關次數:
  • 被引用被引用:0
  • 點閱點閱:268
  • 評分評分:
  • 下載下載:49
  • 收藏至我的研究室書目清單書目收藏:11
擬真代理人被廣泛地運用在數位娛樂及教育等領域內。為了能表現出類似人類的行為,了解社會脈絡的能力對擬真代理人而言具有相當的重要性。一般將社會脈絡融入代理人的方法是,程式設計人員預先將社會關係寫入各個代理人內。這樣的作法有一很大的限制,即缺乏彈性及易讀寫性。這樣的代理人不易接受在社會關係上可能出現的變化,而劇情設計者也難以從整體的角度去設計及辨別代理人間的社會關係。然而,要直接設計可理解變動社會脈絡的代理人,主要的挑戰來自於如何建構對代理人及設計者雙方都同樣能理解的社會模型,並且此模型不會在執行時因遇到變化而解體。
在這篇論文中,我結合知識本體論的架構以及社會約束子的概念,提出可讓設計者從整體角度設計,又可讓代理人察覺個體間關係的社會模型。以此目的而言,本論文有三大貢獻。第一,我以社會約束子為主體,設計出可辦別個體關係與制度關係的社會先驗圖,藉由改變約束子與社會關係的關連,可允許社會脈絡的變化。其次,我描述約束子可如何與代理人架構整合,使其能帶領代理人產生社會行為,卻又不嚴格禁止代理人在必要時違反約束子的限制。最後,我提出一個可在不同社會約束子間偵測衝突的演算法,以供代理人做進一步的決策制定。我列舉數個模擬代理人的思考過程以證明此模型可將代理人置入社會脈絡之中。
The ability to acknowledge social context is of importance to believable agents that wish to express human-like characteristics for applications ranging from digital entertainment to education. The traditional approach for incorporating social context into agents is for system builders to script the social relations with each individual agent. A major limitation of this scripting approach is its lack of flexibility and accessibility – such agents can hardly adapt the social context to possible changes in social relations, whereas scenario designers have difficulties to author and identify social relations in a macroscopic perspective. A central challenge for believable agents aware of dynamic social context is to establish social models that are readily understood by the agents as such by the authors, and able to undertake changes in runtime without the risk of falling apart.
In this thesis, I integrate the form of ontology with the idea of social constraints to propose a social model that allows designers to author the social context in the global view, and allow agents to retrieve individual social relations. To that end, the thesis makes three central contributions. First, I design a social schema that identifies individual relations and institutional rules in terms of social constraints to permit changes in the social model. Second, I describe how these constraints can be incorporated into agent architecture in a way that guides the agent to generate social behaviors without strictly preventing agents from violating social constraints when necessary. Finally, I present a conflict detection algorithm that reasons about different social constraints to support a further process of decision making. I provide illustrations of deliberation processes to justify how this model can situate agents in the social context.
Acknowledgements IV
Table of Contents V
List of figures VII
中文摘要 VIII
ABSTRACT IX
Chapter 1 Introduction 1
Chapter 2 Background 4
2.1 Related Work 4
2.2 Introduction to Ontology and OWL 5
Chapter 3 Composition of Social Models 7
3.1 The Nature of Social Context 8
Definition 1 (Relation, Role, and Constraint): 9
3.2 Schema of Social Concepts 10
3.3 BDI Agent Architecture as Example 12
3.4 Definitions of Social Constraints 12
Definition 2 (Social commitment): 13
Definition 3 (Social Disposition): 14
Definition 4 (Ontological Proposition): 15
3.5 Conflict Detection 16
Definition 4 (Direct conflict): 17
Definition 5 (Potential conflict): 18
3.6 The Meanings of Conflicts 19
The Conflict between Two Social Dispositions 19
The Conflict between Two Social Commitments 19
The Conflict between Two Desires 19
The Conflict between a Desire and a Social Commitment 20
Chapter 4 Deliberation Process of a Social BDI Agent 21
Chapter 5 Illustration: A Bandit and a Princess 24
5.1 Scenario Illustration 25
5.2 Discussion 27
Chapter 6 Conclusion 29
References 30
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