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The Influence of Hypertext Linking Structures on the Efficiency of Information Retrieval

The Influence of Hypertext Linking Structures on the Efficiency of Information Retrieval Hypertext systems parse documents into components connected by machine-supported links. This study investigated several usability issues relating to linking configurations in an information retrieval application. A HyperCardTM-based geography data base was used as the information domain. Linear, hierarchical, network, and combination hierarchical/network linking were of particular interest. In addition, the number of required links (two, four, or six links to reach the answer) and task type were the task variables studied. Task type refers to expert programmers' judgments as to whether a task is best suited to a hierarchical or network linking configuration. The intention was to identify the task situations under which each linking structure excels. Results indicated that users of the hierarchical linking structure performed significantly better than those using network linking (on average requiring 49 s less per task). Subjects using the combination condition performed no worse than those using the hierarchical condition, yet the combination condition provided no consistent advantages. Hence, for novice users of a system, no performance gain results from the inclusion of network links (in isolation or in combination with hierarchical). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Human Factors SAGE

The Influence of Hypertext Linking Structures on the Efficiency of Information Retrieval

Human Factors , Volume 34 (3): 17 – Jun 1, 1992

 
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References (16)

Publisher
SAGE
Copyright
Copyright © by SAGE Publications
ISSN
0018-7208
eISSN
1547-8181
DOI
10.1177/001872089203400308
Publisher site
See Article on Publisher Site

Abstract

Hypertext systems parse documents into components connected by machine-supported links. This study investigated several usability issues relating to linking configurations in an information retrieval application. A HyperCardTM-based geography data base was used as the information domain. Linear, hierarchical, network, and combination hierarchical/network linking were of particular interest. In addition, the number of required links (two, four, or six links to reach the answer) and task type were the task variables studied. Task type refers to expert programmers' judgments as to whether a task is best suited to a hierarchical or network linking configuration. The intention was to identify the task situations under which each linking structure excels. Results indicated that users of the hierarchical linking structure performed significantly better than those using network linking (on average requiring 49 s less per task). Subjects using the combination condition performed no worse than those using the hierarchical condition, yet the combination condition provided no consistent advantages. Hence, for novice users of a system, no performance gain results from the inclusion of network links (in isolation or in combination with hierarchical).

Journal

Human FactorsSAGE

Published: Jun 1, 1992

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