Expertise visualization: An implementation and study based on cognitive fit theory

Zan Huang, Hsinchun Chen, Fei Guo, Jennifer J. Xu, Soushan Wu, Wun Hwa Chen

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

Expertise management systems are being widely adopted in organizations to manage tacit knowledge. These systems have successfully applied many information technologies developed for document management to support collection, processing, and distribution of expertise information. In this paper, we report a study on the potential of applying visualization techniques to support more effective and efficient exploration of the expertise information space. We implemented two widely applied dimensionality reduction visualization techniques, the self-organizing map (SOM) and multidimensional scaling (MDS), to generate compact but distorted (due to the dimensionality reduction) map visualizations for an expertise data set. We tested cognitive fit theory in our context by comparing the SOM and MDS displays with a standard table display for five tasks selected from a low-level, domain-independent visual task taxonomy. The experimental results based on a survey data set of research expertise of the business school professors suggested that using both SOM and MDS visualizations is more efficient than using the table display for the associate, compare, distinguish, and cluster tasks, but not the rank task. Users generally achieved comparable effectiveness for all tasks using the tabular and map displays in our study.

Original languageEnglish (US)
Pages (from-to)1539-1557
Number of pages19
JournalDecision Support Systems
Volume42
Issue number3
DOIs
StatePublished - Dec 2006

Fingerprint

Self organizing maps
Visualization
Display devices
Information Dissemination
Technology
Taxonomies
Research
Information technology
Datasets
Expertise
Processing
Industry
Self-organizing map
Multidimensional scaling
Self-organizing Map
Multidimensional Scaling
Surveys and Questionnaires
Dimensionality reduction

Keywords

  • Cognitive fit theory
  • Expertise management
  • Information visualization
  • Multidimensional scaling
  • Self-organizing map
  • Visualization evaluation

ASJC Scopus subject areas

  • Management Information Systems
  • Information Systems
  • Information Systems and Management

Cite this

Expertise visualization : An implementation and study based on cognitive fit theory. / Huang, Zan; Chen, Hsinchun; Guo, Fei; Xu, Jennifer J.; Wu, Soushan; Chen, Wun Hwa.

In: Decision Support Systems, Vol. 42, No. 3, 12.2006, p. 1539-1557.

Research output: Contribution to journalArticle

Huang, Zan ; Chen, Hsinchun ; Guo, Fei ; Xu, Jennifer J. ; Wu, Soushan ; Chen, Wun Hwa. / Expertise visualization : An implementation and study based on cognitive fit theory. In: Decision Support Systems. 2006 ; Vol. 42, No. 3. pp. 1539-1557.
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