Dirk Lewandowski

affiliated with the university

Research areas and keywords

UKÄ subject classification

  • Information Studies
  • Information Systems, Social aspects


  • Search engines, Information retrieval, Information seeking


Dirk Lewandowski is a professor of information research and information retrieval at the Hamburg University of Applied Sciences, Germany, and a visiting research fellow at the Pufendorf Institute for Advanced Studies, Lund University, Sweden.

Dirk’s research interests are Web information retrieval, search engine user behaviour and the role that search engines play in society. His work has been published in some of the leading information science journals, including JASIST, Journal of Information Science and Journal of Documentation. Dirk has served as an expert to, among others, the High Court of Justice (UK) and the German Parliament (Deutscher Bundestag). He has been named an ACM Distinguished Speaker in 2016.

Prof. Lewandowski authored and edited several books on search engines, including “Suchmaschinen verstehen” (Springer, 3rd edition 2021) and “Web Search Engine Research” (Emerald Group Publishing, 2012), as well as a series of German-language handbooks on search.

He is an editorial board member of several international journals, including Journal of the Association for Information Science & Technology, Information and Learning Science, and Online Information Review.