Web Search

Volume 14 of the series Information Science and Knowledge Management pp 309-340

Web Searching: A Quality Measurement Perspective

  • D. LewandowskiAffiliated withDepartment Information, Hamburg University of Applied Sciences
  • , N. HöchstötterAffiliated withInstitute for Decision Theory and Management Science, Universitaet Karlsruhe (TH)

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The purpose of this paper is to describe various quality measures for search engines and to ask whether these are suitable. We especially focus on user needs and their use of Web search engines. The paper presents an extensive literature review and a first quality measurement model, as well. Findings include that Web search engine quality can not be measured by just retrieval effectiveness (the quality of the results), but should also consider index quality, the quality of the search features and Web search engine usability. For each of these sections, empirical results from studies conducted in the past, as well as from our own research are presented. These results have implications for the evaluation of Web search engines and for the development of better search systems that give the user the best possible search experience.