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The role of explicit knowledge - Visual Analytics€¦ · Knowledge in Visualization wisdom...
Transcript of The role of explicit knowledge - Visual Analytics€¦ · Knowledge in Visualization wisdom...
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The role of explicit knowledge: a conceptual model of knowledge-assisted visual analytics
Paolo Federico1, Markus Wagner12, Alexander Rind12, Albert Amor-Amorós1, Silvia Miksch1, Wolfgang Aigner12
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Explicit Knowledge = “Data that represents the results of a computer-simulated cognitive process, such as perception, learning, association, and reasoning, or the transcripts of some knowledge acquired by human beings”
[Chen et al., 2009]
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Knowledge in Visualization
wisdom knowledge information
data
[Ackoff, 1989]
knowledge-assisted visualization
[Chen M. et al., 2009]
tacit
explicit
[Wang, 2009]
knowledge-based interfaces
[Pike et al., 2009]
prior knowledge in the KDD
process
[Fayyad et al., 1996]
domain
operational [Chen C., 2005]
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[Sacha et al., 2014]
Visualization Models
[van Wijk, 2005]
[Pirolli & Card, 2005]
[Wang et al., 2009]
[Sacha et al., 2014; Ribarsky & Fisher, 2016]
[Ceneda et al, 2017]
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• VA components
• Spaces
• Knowledge Types
• Knowledge Processes
Model Criteria
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• Generation • Visualization • Analysis
• Exploitation • Visualization • Intelligent Analysis • Guidance
• Transformation • Internalization
• Knowledge Visualization • Simulation
• Externalization • Direct Externalization • Interaction Mining
Knowledge processes
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Generation: Visualization
perception
visualization
image
tacit knowledge
specification
data
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Generation: Automated Data Analysis
analysis
perception
visualization
image
explicit knowledge
tacit knowledge
specification
data
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Transformation: Internalization by Knowledge Visualization
analysis
perception
visualization
image
explicit knowledge
tacit knowledge
specification
data
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Transformation: Internalization by Simulation
externalization
analysis
exploration
perception
visualization
image
explicit knowledge
tacit knowledge
specification
data
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Transformation: Direct Externalization
externalization
analysis
perception
visualization
image
explicit knowledge
tacit knowledge
specification
data
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Transformation: Externalization by Interaction Mining
externalization
analysis
exploration
perception
visualization
image
explicit knowledge
tacit knowledge
specification
data
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Exploitation: Visualization
externalization
analysis
exploration
perception
visualization
image
explicit knowledge
tacit knowledge
specification
data
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Exploitation: Intelligent Data Analysis
externalization
analysis
exploration
perception
visualization
image
explicit knowledge
tacit knowledge
specification
data
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Exploitation: Guidance
externalization
analysis
exploration
perception
visualization
image
explicit knowledge
tacit knowledge
specification
data
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All processes
externalization
analysis
exploration
perception
visualization
image
explicit knowledge
tacit knowledge
specification
data
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Characterizing Analysis
U
G
M
simulation
mining
guidance
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Space
Cognitive/Perceptual
Computational
Characterizing Knowledge
Type
Operational
Domain/Declarative
Domain/Procedural
Origin
Pre-design
Design
Data Single User
Multiple Users
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Applying the model
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• Processes • Data Visualization • Knowledge Visualization • Simulation • Intelligent Data Analysis • Guidance
• Type • Domain, Declarative • Domain, Procedural
• Origin • Pre-design
Gnaeus
[Federico et al., 2015]
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• Processes • Data Visualization • Knowledge Visualization • Direct Externalization • Intelligent Data Analysis • Guidance
• Type • Domain, Declarative
• Origin • Pre-design • Post-design, Single User
KAMAS
[Wagner et al., 2017]
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The role of explicit knowledge: a conceptual model of knowledge-assisted VA • to describe and categorize
existing approaches • to asses existing systems
in terms of costs/benefits
• to design new systems and inspire research directions