Understanding the Structure of Information Visualization Through Visual Metaphors

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Ziemkiewicz, C. (2010). Understanding the Structure of Information Visualization Through Visual Metaphors. Unc Charlotte Electronic Theses And Dissertations.
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Abstract

Information visualization is an increasingly widespread way to present and analyze complex data, but there is much we still do not know about how people understand visually presented information. Every visualization contains certain assumptions about the structure of its information: how the data can be broken down into pieces, how those pieces relate to one another, what actions can and cannot be performed with the data, and so forth. Yet information visualization still lacks the language and theory to analyze these properties of visual information structure. I propose that these structural properties can be thought of as visual metaphors that drive a visualization, analogous to the verbal metaphors that structure abstract information in speech and writing. In this model, people analyze visual relationships among shapes and patterns in a visualization in the same way that they analyze other kinds of visual scenes, then metaphorically interpret those visual relationships as conceptual relationships. I have grounded this proposed model through empirical studies showing how metaphors affect visualization use and how minor structural changes can have significant effects on the way people interpret visual information. I argue that this framework sheds new light on the importance of design and conceptual structure in visualization and can substantially improve future techniques and evaluation.

Details
Author

Ziemkiewicz, Caroline

Title

Understanding the Structure of Information Visualization Through Visual Metaphors

Physical Description

1 online resource (120 pages) : PDF

Date

2010

Degree Granting Institution

University of North Carolina at Charlotte

Abstract

Information visualization is an increasingly widespread way to present and analyze complex data, but there is much we still do not know about how people understand visually presented information. Every visualization contains certain assumptions about the structure of its information: how the data can be broken down into pieces, how those pieces relate to one another, what actions can and cannot be performed with the data, and so forth. Yet information visualization still lacks the language and theory to analyze these properties of visual information structure. I propose that these structural properties can be thought of as visual metaphors that drive a visualization, analogous to the verbal metaphors that structure abstract information in speech and writing. In this model, people analyze visual relationships among shapes and patterns in a visualization in the same way that they analyze other kinds of visual scenes, then metaphorically interpret those visual relationships as conceptual relationships. I have grounded this proposed model through empirical studies showing how metaphors affect visualization use and how minor structural changes can have significant effects on the way people interpret visual information. I argue that this framework sheds new light on the importance of design and conceptual structure in visualization and can substantially improve future techniques and evaluation.

Genre

doctoral dissertations

Subjects--Topics

Computer science
Cognitive psychology

Degree

Ph.D.

Keywords

Information Visualization
Perception
Visual Cognition
Visual Design
Visual Metaphors
Visual Structure

Subject Area

Information Technology

Advisor(s)

Kosara, Robert

Committee Members

Ribarsky, William
Lu, Aidong
Goolkasian, Paula
Curran, Kent

Degree Note

Thesis (Ph.D.)--University of North Carolina at Charlotte, 2010.

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Rights Holder Information

Copyright is held by the author unless otherwise indicated.

Identifier

Ziemkiewicz_uncc_0694D_10103

Permalink

http://hdl.handle.net/20.500.13093/etd:147