the folksonomy tag cloud: when is it useful? james sinclair and michael cardew-hall department of...
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The folksonomy tag cloud: when is it useful?
James Sinclair and Michael Cardew-Hall
Department of Engineering, The Australian National University, Canberra, Australia
Journal of Information Science (JIS), 2007
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Outline
Introduction Experimental Method Results Conclusion
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Introduction
Tagging Services Tagging in the enterprise Tag Clouds
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Tagging Services
Tagging services allow participants to associate freely determined keywords (called ‘tags’) with a particular resource.
There is little incentive for authors to put time and effort into providing quality metadata unless it is for the purposes of self-promotion. Thus, author generated metadata is perceived as inaccurate at best, and deliberately misleading at worst. [Thomas and Griffin, 1999]
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Tagging in the enterprise
The sharing of key resources and the generation of emergent vocabulary helps decrease the cognitive distance between people working in the organization.
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Tag Clouds
User interface element commonly associated with folksonomy datasets.
Tomas Vader Wal --- the man credited with coining the term ‘folksonomy’ --- described tag clouds as being ‘cute but offering little value’
Do tag clouds provide value to people seeking information from a folksonomy dataset?
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Experimental Method
Participant: provided with 2 options to perform information-seeking task Tag cloud Search box
Tag around 10 articles each 2 session: tag and query Hypothesis: if people found no value in a tag
cloud for information seeking, then they would primarily use the search box to seek information
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Participant Demography
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Tagging Interface: Session One
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Tag Size
Tag cloud displayed top 70 most-used tags Folksonomy frequency tends to follow a
power law distribution
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Question List
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Search Interface: Session Two
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Tag Cloud Query
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Exit Survey
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Dataset Characteristics
Number of participants relatively small Participant not select articles to tag No feedback aspect to tagging. Participant
not able to browse other’s tags
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Result
Assume last query made before answering a question providing the relevant information to answer
Tag cloud does provide some kind of value
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Participants who relied on the tag cloud made more queries when answering a question, even when a relevant keyword was present in the tag cloud
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Conclusion
Particularly useful for browsing or non-specific information discovery
Tag cloud providing a visual summary of the contents of the database
Scanning tag cloud requiring less cognitive load than formulating specific query terms