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Data Visualisation & Visual Querying

Data Visualisation & Visual Querying. Florian Campora Hugo Questroy Andrea Dini Adel Barkallah Laurent Garambois. Contents. Data Visualisation Need & Concept Type of Information Visual Information seeking mantra Visual Querying Need & Concept Techniques for Visual Querying.

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Data Visualisation & Visual Querying

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  1. Data Visualisation & Visual Querying Florian Campora Hugo Questroy Andrea Dini Adel Barkallah Laurent Garambois

  2. Contents • Data Visualisation • Need & Concept • Type of Information • Visual Information seeking mantra • Visual Querying • Need & Concept • Techniques for Visual Querying

  3. Data Visualisation

  4. Data VisualisationNeed & Concept • Need • Data versus Information • Novice users • Concept • No standard method • Understand the type of information

  5. Type of Information1-Dimensional • Inxight Table Lens

  6. Type of Information2-Dimensional • ESRI ArcExplorer

  7. Type of Information3-Dimensional • WebForager & WebBook

  8. Type of InformationTemporal • LifeLines developed by University of Maryland

  9. Type of InformationMulti-Dimensional • LifeLines developed by University of Maryland

  10. Type of InformationTree • Inxight Star Tree Viewer

  11. Type of InformationNetwork • NSFNET11 Traffic

  12. Visual Information seeking Mantra “Overview first, zoom and filter, and then details-on-demand” Ben Schneiderman, July 96

  13. Visual Information seeking MantraFocus & Context • Definition • Example: The Fisheye approach

  14. 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

  15. 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.

  16. Visual Information seeking MantraZooming & Filtering • Definition • Dynamic queries example: A Geographic application

  17. Visual Information seeking MantraDetails-on-demand • Definition • Spotfire

  18. Visual Querying

  19. Visual QueryingNeed & Concept • Need • Adapted to novice users • Concept • WIMP interfaces

  20. Visual QueryingTechniques for visual querying • Form-based visual querying

  21. Visual QueryingTechniques for visual querying • An example: Enviro

  22. Visual QueryingTechniques for visual querying • An example for OODB: VOODOO

  23. Visual QueryingTechniques for visual querying • An example for OODB: VOODOO

  24. Visual QueryingTechniques for visual querying • Diagram Based Visual querying

  25. Visual QueryingTechniques for visual querying • QBD (Query By Diagram) : SUPER software example.

  26. Visual QueryingTechniques for visual querying • Icon based data querying : A Radiological Software

  27. Visual QueryingTechniques for visual querying • QBI (Query By Icon) : Marmotta software example

  28. Visual QueryingTechniques for visual querying • Hybrid based data querying : Hybrid approach in A Semantic Knowledgeable Interface (S.K.I.)

  29. Data Visualisation & Visual Querying Florian Campora Hugo Questroy Andrea Dini Adel Barkallah Laurent Garambois

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