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Eine Studie über das Suchverhalten medizinischer Experten im Bereich der hämatopoetischen Stammzelltransplantation und deren Einfluss auf die Planung eines neuen, spezialisierten Information-Retrieval-Systems

German Medical Science GMS Publishing House; Düsseldorf
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  • Ddc:610
  • Design


draft3.dvi Flexible Search and Navigation using Faceted Metadata Jennifer English, Marti Hearst, Rashmi Sinha, Kirsten Swearingen, Ka-Ping Yee School of Information Management & Systems University of California, Berkeley Berkeley, CA 94720-4600 {jenglish,hearst,sinha,kirstens,[email protected] ABSTRACT We have developed an innovative search interface that allows non-expert users to move through large informa- tion spaces in a flexible manner without feeling lost. The design goal was to offer users a “browsing the shelves” experience seamlessly integrated with focused search. Key to achieving our goal is the explicit exposure of hi- erarchical faceted metadata in a manner that is intuitive and inviting to users. After several iterations of design and testing, the usability results are strikingly positive. We believe our approach marks a major step forward in search user interfaces and can serve as a model for web-based collections of up to 100,000 items. Topics: Search User Interfaces, Faceted Metadata INTRODUCTION Although general Web search is steadily improving [30], studies show that search is still the primary usability problem in web site design. A recent report by Vivi- dence Research analyzing 69 web sites found that the most common usability problem was poorly organized search results, affecting 53% of sites studied. The sec- ond most common problem was poor information archi- tecture, affecting 32% of sites [27]. Studies of search behavior reveal that good search in- volves both broadening and narrowing of the query, ap- propriate selection of terminology, and the ability to modify the query [31]. Still others show that users of- ten express a concern about online search systems since they do not allow a “browsing the shelves” experience afforded by physical libraries [6] and that users like well- structured hyperlinks but often feel lost when navigating through complex sites [23]. Our goals are to support search usability guidelines [28], while avoiding negative co

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