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Supporting More-Like-This Information Needs: Finding Similar Web Content in Different Scenarios

  • Matthias Hagen
  • Christiane Glimm
Part of the Lecture Notes in Computer Science book series (LNCS, volume 8685)

Abstract

We examine more-like-this information needs in different scenarios. A more-like-this information need occurs, when the user sees one interesting document and wants to access other but similar documents. One of our foci is on comparing different strategies to identify related web content. We compare following links (i.e., crawling), automatically generating keyqueries for the seen document (i.e., queries that have the document in the top of their ranks), and search engine operators that automatically display related results. Our experimental study shows that in different scenarios different strategies yield the most promising related results.

One of our use cases is to automatically support people who monitor right-wing content on the web. In this scenario, it turns out that crawling from a given set of seed documents is the best strategy to find related pages with similar content. Querying or the related-operator yield much fewer good results. In case of news portals, however, crawling is a bad idea since hardly any news portal links to other news portals. Instead, a search engine’s related operator or querying are better strategies. Finally, for identifying related scientific publications for a given paper, all three strategies yield good results.

Keywords

Search Engine Similar Document External Link Hate Speech Query Formulation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Matthias Hagen
    • 1
  • Christiane Glimm
    • 1
  1. 1.Bauhaus-Universität WeimarWeimarGermany

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