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Visualization Dissertation Sample of Neaz

Definition of Information Visualization and Knowledge Visualization
1. Definition of Information Visualization and Knowledge Visualization
Information visualization concentrates on the use of computer-supported tools to explore large amount of abstract data. Practical application of information visualization in computer programs involves selecting, transforming and representing abstract data in a form that facilitates human interaction for exploration and understanding. Important aspects of information visualization are the interactivity and dynamics of visual representation. Strong techniques enable the user to modify the visualization in real-time, thus affording unparalleled perception of patterns and structural relations in the abstract data in question.

Knowledge visualization - "the use of visual representations to transfer knowledge between at least two persons" (Burkhard and Meier, 2004), aims to improve the transfer of knowledge by using computer and non-computer based visualization methods complementarily. Examples of such visual formats are sketches, diagrams, images, objects, interactive visualizations, information visualization applications and imaginary visualizations as in stories.

While information visualization concentrates on the use of computer supported tools to derive new insights, knowledge visualization focuses on transferring insights and creating new knowledge in groups. Beyond the mere transfer of facts, knowledge visualization aims to further transfer insights, experiences, attitudes, values, expectations, perspectives, opinions, and predictions by using various complementary visualizations. And this in a way that enables someone else to re-construct,  remember, and apply this knowledge correctly. According to Eppler and Burkhard (2005) six formats can be distinguished in Knowledge Visualization: Heuristic Sketches, Conceptual Diagrams,Definition of Information Visualization and Knowledge Visualization Visual Metaphors, Knowledge Animations, Knowledge Maps, and Domain Structures.

Knowledge Visualization has its roots in Information Design, Instructional Message Design, Pedagogy, Cognitive Psychology, Graphic Design, Visual Communication, Communication Sciences and Knowledge Management, where it is a key-issue to make knowledge visible so that it can be better identified, accessed, shared, discussed, applied, or generally be managed. (Wikipedia.org)

2. Knowledge Management

4. The challenge of knowledge visualization

4.1 Knowledge Transfer
Today, contents are becoming more complex, abstract, and interrelated. And for the transfer mainly verbal representations are used. In organizations there is a need to complement verbal representations with visual representations. To do so, organizations need guidelines to face their daily challenges: The war for attention, the limited time and mental capacity of the audience, and the need to provide the relevant information in different levels of detail. Today, in organizations only a limited set of tools are used (e.g., PowerPoint, Excel, business Diagrams, clip arts), and a lack of visual competence results often in bad use or even misuse of such visual formats, which can lead to misinformation and/or misinterpretation. In organizations the ignorance on the various different functions of visual representations leads to the fact that visualizations are only used in specific domains, i.e., Advertising, Marketing, Corp



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