Online from: 1977
Subject Area: Library and Information Studies
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|Title:||Search strategies on a new health information retrieval system|
|Author(s):||Xiangming Mu, (University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, USA), Kun Lu, (University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, USA), Hohyon Ryu, (University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, USA, and Yonsei University, Seoul, South Korea University of Wisconsin-Milwaukee, Milwaukee, Wisconsin, USA, and Yonsei University, Seoul, South Korea)|
|Citation:||Xiangming Mu, Kun Lu, Hohyon Ryu, (2010) "Search strategies on a new health information retrieval system", Online Information Review, Vol. 34 Iss: 3, pp.440 - 456|
|Keywords:||Hospitals, Information retrieval, Information systems, Knowledge management|
|Article type:||Research paper|
|DOI:||10.1108/14684521011054062 (Permanent URL)|
|Publisher:||Emerald Group Publishing Limited|
Purpose – The goals of this study are: to evaluate the merits of a newly developed health information retrieval system; to investigate users' search strategies when using the new search system; and to study the relationships between users' search strategies and their prior topic knowledge.
Design/methodology/approach – The paper developed a new health information retrieval system called MeshMed. A term browser and a tree browser are included in the new system in addition to the traditional search box. The term browser allows a user to search Medical Subject Heading (MeSH) terms using natural language. The tree browser presents a hierarchical tree structure of related MeSH terms. A user study with 30 participants was conducted to evaluate the benefits of MeshMed.
Findings – The paper found that MeshMed provides a user with more choices to select an appropriate searching component and form more effective search strategies. Based on the time a participant spent using different MeshMed components, the paper identified three different search styles: the traditional style, the novel style, and the balanced style, which falls in between. MeshMed was particularly helpful for users with low topic knowledge.
Originality/value – A new health information retrieval system (MeshMed) was designed and developed (and is currently available at http://126.96.36.199/meshmed). This is the first study to explore users' search strategies on such a system. The study results can inform the design of future clinical-oriented health information retrieval systems.
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