A task-oriented approach to search engine usability studies
Taksa, I., Spink, A. H., & Goldberg, R. R. (2008) A task-oriented approach to search engine usability studies. Journal of Software, 3(1), pp. 63-73.
Usability is a multi-dimensional characteristic of a computer system. This paper focuses on usability as a measurement of interaction between the user and the system. The research employs a task-oriented approach to evaluate the usability of a meta search engine. This engine encourages and accepts queries of unlimited size expressed in natural language. A variety of conventional metrics developed by academic and industrial research, including ISO standards,, are applied to the information retrieval process consisting of sequential tasks. Tasks range from formulating (long) queries to interpreting and retaining search results. Results of the evaluation and analysis of the operation log indicate that obtaining advanced search engine results can be accomplished simultaneously with enhancing the usability of the interactive process. In conclusion, we discuss implications for interactive information retrieval system design and directions for future usability research. © 2008 Academy Publisher.
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|Item Type:||Journal Article|
|Keywords:||Query formulation, Query refinement, Search engine, Search tasks, Usability|
|Copyright Owner:||Academy Publisher|
|Deposited On:||20 Dec 2011 07:09|
|Last Modified:||29 Feb 2012 13:52|
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