data visualisation & visual querying florian campora hugo questroy andrea dini adel barkallah...
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Data Visualisation &
Visual Querying
Florian CamporaHugo Questroy
Andrea DiniAdel Barkallah
Laurent Garambois
Contents
Data Visualisation Need & Concept Type of Information Visual Information seeking mantra
Visual Querying Need & Concept Techniques for Visual Querying
Data Visualisation
Data VisualisationNeed & Concept
Need Data versus Information Novice users
Concept No standard method Understand the type of information
Type of Information1-Dimensional
Inxight Table Lens
Type of Information2-Dimensional
ESRI ArcExplorer
Type of Information3-Dimensional
WebForager & WebBook
Type of InformationTemporal
LifeLines developed by University of Maryland
Type of InformationMulti-Dimensional
LifeLines developed by University of Maryland
Type of InformationTree
Inxight Star Tree Viewer
Type of InformationNetwork
NSFNET11 Traffic
Visual Information seeking Mantra
“Overview first, zoom and filter, and then details-on-demand”
Ben Schneiderman, July 96
Visual Information seeking MantraFocus & Context
Definition
Example: The Fisheye approach
Visual Information seeking MantraFocus & Context
Fisheye view
Objects in the centre of the view are magnified and objects further from the centre are reduced in size
Visual Information seeking MantraFocus & Context
Advantage The user can control the distortion problem
Disadvantage Always keep all the information on the
screen, which gets cluttered. The view of a graph is changing according
to the user perspective.
Visual Information seeking MantraZooming & Filtering
Definition
Dynamic queries example:
A Geographic application
Visual Information seeking MantraDetails-on-demand
Definition
Spotfire
Visual Querying
Visual QueryingNeed & Concept
Need Adapted to novice users
Concept WIMP interfaces
Visual QueryingTechniques for visual querying
Form-based visual querying
Visual QueryingTechniques for visual querying
An example: Enviro
Visual QueryingTechniques for visual querying
An example for OODB: VOODOO
Visual QueryingTechniques for visual querying
An example for OODB: VOODOO
Visual QueryingTechniques for visual querying
Diagram Based Visual querying
Visual QueryingTechniques for visual querying
QBD (Query By Diagram) : SUPER software example.
Visual QueryingTechniques for visual querying
Icon based data querying : A Radiological Software
Visual QueryingTechniques for visual querying
QBI (Query By Icon) : Marmotta software example
Visual QueryingTechniques for visual querying Hybrid based data querying : Hybrid approach in A Semantic
Knowledgeable Interface (S.K.I.)
Data Visualisation &
Visual Querying
Florian CamporaHugo Questroy
Andrea DiniAdel Barkallah
Laurent Garambois