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  • Falar das limitações
  • That is very interesting but there’s no guarantee that the stories that will emerge are interesting and meaninfull...
  • As Szilas argues on (Szilas 2003) the use of a hierarchical Drama Manager is the reason way most of the IS systems are limited.
  • Is a conceptual methafor to visually represent an EN. Hills represent dramatic situations that in our context means situated context related to competence learning.

Transcript

  • 1. © Cláudia Ribeiro- 2011 VideoJogos 2011 COLLABORATIVE NEGOTIATED DELIBERATION PROTOCOL FOR MANAGING EMERGENT NARRATIVES IN EDUCATIONAL ENVIRONMENTS Cláudia Ribeiro
  • 2. © Cláudia Ribeiro- 2011 VideoJogos 2011Context• Interactive Storytelling chanlleges Interactive Drama is a computer- based fiction where a user chooses most of the actions for the main character in a story. This is a hard challenge, because it involves both the dynamic generation of narrative events and the integration of user inputs within the generation.
  • 3. © Cláudia Ribeiro- 2011 VideoJogos 2011Context• Narrative Structures • Linear Structure • Branched Structure Branched Narrative Structure
  • 4. © Cláudia Ribeiro- 2011 VideoJogos 2011Context• Emergent Narratives Unscripted narrative that emerges directly from the virtual and user-controlled characters. (Aylett 1999). The Player is not limited in his possibilities to influence the story
  • 5. © Cláudia Ribeiro- 2011 VideoJogos 2011Context• Drama Management There’s no guarantee that the stories that will emerge are interesting and meaninfull... The use of Emergent Narratives implies the existence of a Drama Manager (DM) (Szilas 2003).
  • 6. © Cláudia Ribeiro- 2011 VideoJogos 2011Context• Drama Management Character-based Guiding the low-level behaviour of a set of autonomous agents around a story context, taking into account the user interaction. Plot-based Guiding the plot unflod from a high-level view, interacting with the several story elements: actors, world elements, etc.
  • 7. © Cláudia Ribeiro- 2011 VideoJogos 2011Context• Drama Management – Hierarchical View
  • 8. © Cláudia Ribeiro- 2011 VideoJogos 2011Context• Drama Management – Cooperative View Agents initiative Drama Manager initiative
  • 9. © Cláudia Ribeiro- 2011 VideoJogos 2011 TARGET Transformative, Adaptive, Responsive and enGaging EnvironmenT A FP7 Integrated Project in Technology Enhanced Learning • Key Benefits : • Rapid Competence Development • Acquisition of complex and soft competences • Aimed at organization integration • Digital natives ready
  • 10. © Cláudia Ribeiro- 2011 VideoJogos 2011Story landscape• In order to effectively manage the drama, it’s important to understand the impact of the player actions in the story unfold. Story Landscape (Louchart 2008)
  • 11. © Cláudia Ribeiro- 2011 VideoJogos 2011Fabula Model Fabula Model (Swarje et al in 2006)
  • 12. © Cláudia Ribeiro- 2011 VideoJogos 2011Fabula Model revisited• Perception Elements (Perception, Event, Internal Element)• Decision Elements (Goal, Action) Goal Action Internal Perception Events Elements
  • 13. © Cláudia Ribeiro- 2011 VideoJogos 2011Plot Guidance Process Story Case Guidance Annotation Matching Protocol
  • 14. © Cláudia Ribeiro- 2011 VideoJogos 2011Plot Guidance Process• Story Annotation N2 N1 N2 N2 N1 N3 N3 N4 N1 N1 N4 N5 N6 time
  • 15. © Cláudia Ribeiro- 2011 VideoJogos 2011Plot Guidance Process• Case Matching N1 N2 Match Narrative N3 Cases N4 N5 N6 Current Story graph Narrative cases previously defined by pedagogical and domain experts.
  • 16. © Cláudia Ribeiro- 2011 VideoJogos 2011Graph matching strategies• Number of common nodes Narrative Case: Node Node Node Node A B C D Story Graph: … … Node Node Node Node Node G H A I B Match Confidance Level = 50%
  • 17. © Cláudia Ribeiro- 2011 VideoJogos 2011Graph matching strategies• Different between the expected and the real distance Narrative Case: Node Node Node Node A B C D Story Graph: … … Node Node Node Node Node G H A I B Match Confidance Level = 50%
  • 18. © Cláudia Ribeiro- 2011 VideoJogos 2011Graph matching strategies• Number of common nodes taking into account the weight Narrative Case: Node Node Node Node A B C D Story Graph: Weight = 100 Weight = 20 … … Node Node Node Node Node G H A I B Match Confidance Level = 40%
  • 19. © Cláudia Ribeiro- 2011 VideoJogos 2011Plot Guidance Process Confidance level = 20% Confidance level = 31,5%• Case Matching Confidance level = 60% N1 N2 Match Narrative N3 Confidance level = 75% Cases N4 N5 N6 Current Story graph Confidance level = 0% Narrative cases previously defined by pedagogical and domain experts.
  • 20. © Cláudia Ribeiro- 2011 VideoJogos 2011Plot Guidance Process• Guidance Protocol Synchronize beliefs Goal Negotiation Plan Negotiation
  • 21. © Cláudia Ribeiro- 2011 VideoJogos 2011Plot Guidance Process• Guidance Protocol
  • 22. © Cláudia Ribeiro- 2011 VideoJogos 2011Guidance Protocol• Goal negotiation
  • 23. © Cláudia Ribeiro- 2011 VideoJogos 2011Guidance Protocol• Plan negotiation
  • 24. © Cláudia Ribeiro- 2011 VideoJogos 2011Conclusions The ability to infer knowledge about the story unfold The ability to use The ability to this knowledge represent to guide the dramatic player through situations meaningful experiences Supports Emergent Narratives