Video jogos2011

VideoJogos 2011

COLLABORATIVE NEGOTIATED DELIBERATION PROTOCOL FOR MANAGING EMERGENT NARRATIVES IN EDUCATIONAL ENVIRONMENTS

Cláudia Ribeiro

© Cláudia Ribeiro- 2011

VideoJogos 2011

Context• 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.

VideoJogos 2011

Context• Narrative Structures• Linear Structure• Branched Structure


Branched Narrative Structure

VideoJogos 2011

Context• Emergent Narratives


The Player is not limited in his possibilities to influence the story

Unscripted narrative that emerges directly from the virtual and user-controlled characters. (Aylett 1999).

VideoJogos 2011

Context• Drama Management


The use of Emergent Narratives implies the existence of a Drama Manager (DM) (Szilas 2003).

There’s no guarantee that the stories that will emerge are interesting and meaninfull...

VideoJogos 2011

Context• Drama Management


Guiding the low-level behaviour of a set of autonomous agents around a story context, taking into account the

user interaction.

Guiding the plot unflod from a high-level view, interacting with the several story elements: actors,

world elements, etc.

Character-based

Plot-based

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Context• Drama Management – Hierarchical View


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Context• Drama Management – Cooperative View


Agents initiative

Drama Manager initiative

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• Key Benefits :• Rapid Competence Development• Acquisition of complex and soft competences• Aimed at organization integration• Digital natives ready


TARGETT r a n s f o r m a t i v e , A d a p t i v e , R e s p o n s i v e a n d e n G a g i n g E n v i r o n m e n T

A F P 7 I n t e g r a t e d P r o j e c t i n T e c h n o l o g y E n h a n c e d L e a r n i n g

VideoJogos 2011

Story 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)

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Fabula Model


Fabula Model (Swarje et al in 2006)

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Fabula Model revisited• Perception Elements (Perception, Event, Internal Element)• Decision Elements (Goal, Action)


Goal Action

Perception EventsInternal

Elements

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Plot Guidance Process

Story Annotatio

n

Case Matching

Guidance Protocol


VideoJogos 2011

Plot Guidance Process• Story Annotation


time

N1

N2 N1

N1 N4

N3

N2

N5N6

N1N2

N3

N4

Game events

VideoJogos 2011

Plot Guidance Process• Case Matching


N2

N5N6

N1

N3

N4

Current Story graph

Narrative Cases

Match

Narrative cases previously defined by pedagogical and domain experts.

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Graph matching strategies • Number of common nodes


Node A

Node B

Node C

Node D

Node G

Node H

Node A

Node I

Node B

… …

Match Confidance Level = 50%

Narrative Case:

Story Graph:

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Graph matching strategies • Different between the expected and the real distance


Node A

Node B

Node C

Node D

Node G

Node H

Node A

Node I

Node B

… …


Narrative Case:

Story Graph:

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Graph matching strategies • Number of common nodes taking into account the weight


Node A

Node B

Node C

Node D

Node G

Node H

Node A

Node I

Node B

… …


Narrative Case:

Story Graph: Weight = 100

Weight = 20

VideoJogos 2011

Plot Guidance Process• Case Matching


N2

N5N6

N1

N3

N4

Current Story graph

Narrative Cases

Match

Narrative cases previously defined by pedagogical and domain experts.

Confidance level = 20%

Confidance level = 31,5%




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Plot Guidance Process• Guidance Protocol


Synchronize beliefs

Goal Negotiation

Plan Negotiation

VideoJogos 2011

Plot Guidance Process• Guidance Protocol


VideoJogos 2011

Guidance Protocol• Goal negotiation


VideoJogos 2011

Guidance Protocol• Plan negotiation


VideoJogos 2011

Conclusions


Supports Emergen

t Narrative

s

The ability to represent dramatic situations

The ability to infer knowledge about the story

unfoldThe ability to

use this knowledge to

guide the player through

meaningful experiences

Video jogos2011

Technology

domain experts

cludia ribeiro

story graph

account

ability

pedagogical