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Quality and relevance of domain-specific search: A case study in mental health

Published: 01 March 2006 Publication History

Abstract

When searching for health information, results quality can be judged against available scientific evidence: Do search engines return advice consistent with evidence based medicine? We compared the performance of domain-specific health and depression search engines against a general-purpose engine (Google) on both relevance of results and quality of advice. Over 101 queries, to which the term ‘depression’ was added if not already present, Google returned more relevant results than those of the domain-specific engines. However, over the 50 treatment-related queries, Google returned 70 pages recommending for or against a well studied treatment, of which 19 strongly disagreed with the scientific evidence. A domain-specific index of 4 sites selected by domain experts was only wrong in 5 of 50 recommendations. Analysis suggests a tension between relevance and quality. Indexing more pages can give a greater number of relevant results, but selective inclusion can give better quality.

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  • (2020)A Think-Aloud Study to Understand Factors Affecting Online Health SearchProceedings of the 2020 Conference on Human Information Interaction and Retrieval10.1145/3343413.3377961(273-282)Online publication date: 14-Mar-2020
  • (2015)Information Reliability EvaluationJournal on Computing and Cultural Heritage 10.1145/26938478:3(1-33)Online publication date: 13-Apr-2015
  • (2013)Toward a model of domain-specific searchProceedings of the 10th Conference on Open Research Areas in Information Retrieval10.5555/2491748.2491757(33-36)Online publication date: 15-May-2013
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          Information & Contributors

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          Published In

          cover image Information Retrieval
          Information Retrieval  Volume 9, Issue 2
          Mar 2006
          106 pages

          Publisher

          Kluwer Academic Publishers

          United States

          Publication History

          Published: 01 March 2006
          Accepted: 28 January 2005
          Revision received: 25 August 2004
          Received: 29 March 2004

          Author Tags

          1. Domain specific search
          2. Focused crawling
          3. Mental health
          4. Depression

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          View all
          • (2020)A Think-Aloud Study to Understand Factors Affecting Online Health SearchProceedings of the 2020 Conference on Human Information Interaction and Retrieval10.1145/3343413.3377961(273-282)Online publication date: 14-Mar-2020
          • (2015)Information Reliability EvaluationJournal on Computing and Cultural Heritage 10.1145/26938478:3(1-33)Online publication date: 13-Apr-2015
          • (2013)Toward a model of domain-specific searchProceedings of the 10th Conference on Open Research Areas in Information Retrieval10.5555/2491748.2491757(33-36)Online publication date: 15-May-2013
          • (2013)Patent RetrievalFoundations and Trends in Information Retrieval10.1561/15000000277:1(1-97)Online publication date: 20-Feb-2013
          • (2012)Medical information retrievalProceedings of the 35th international ACM SIGIR conference on Research and development in information retrieval10.1145/2348283.2348537(1191-1192)Online publication date: 12-Aug-2012
          • (2012)Reliability prediction of webpages in the medical domainProceedings of the 34th European conference on Advances in Information Retrieval10.1007/978-3-642-28997-2_19(219-231)Online publication date: 1-Apr-2012

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