Blar i SAM - Institutt for arkiv, bibliotek og informasjonsvitenskap på forfatter "Nordlie, Ragnar"

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    • Context Matters: An Analysis of assessments of XML Documents 

      Pharo, Nils; Nordlie, Ragnar (Lecture Notes in Computer Science, Journal article; Peer reviewed, 2005)
      The paper analyses searchers’ assessments of usefulness and specificity on different levels of granularity in XML-coded documents. Documents are assessed on 10 usefulness/specificity combinations and on the granularity ...

    • Examining the effect of task stage and topic knowledge on searcher interaction with a “digital bookstore” 

      Pharo, Nils; Nordlie, Ragnar (Chapter; Peer reviewed, 2012)
      This paper reports some results from the experiment of the 2010 INEX interactive track. The experiment was designed to let searchers simulate being at two distinct stages of a work task process. Data were also collected ...

    • OUC's participation in the 2009 INEX Book Track 

      Preminger, Michael; Nordlie, Ragnar; Pharo, Nils (Lecture Notes in Computer Science = Lecture notes in artificial intelligence;6203, Journal article; Peer reviewed, 2010)
      In this article we describe the Oslo University College's participation in the INEX 2009 Book track. This year's tasks have been featuring complex topics, containing aspects. These lend themselves to use in both the book ...

    • OUC's participation in the 2010 INEX Book Track 

      Preminger, Michael; Nordlie, Ragnar (Lecture Notes in Computer Science = Lecture notes in artificial intelligence;6932, Journal article; Peer reviewed, 2011)
      In this article we describe the Oslo University College’s participation in the INEX 2010 Book track. The OUC has submitted retrieval results for the “prove it” task with traditional relevance detection combined with some ...

    • OUC's Participation in the 2011 INEX Book Track 

      Preminger, Michael; Nordlie, Ragnar (Lecture Notes in Computer Science = Focused Retrieval of Content and Structure;7424, Journal article; Peer reviewed, 2012)
      In this article we describe the Oslo University College’s participation in the INEX 2011 Book track. In 2010, the OUC submitted retrieval results for the “Prove It” task with traditional relevance detection combined with ...

    • Overview of the INEX 2008 Interactive Track 

      Pharo, Nils; Nordlie, Ragnar; Fachry, Khairun Nisa (Lecture Notes in Computer Science;, Journal article; Peer reviewed, 2009)
      This paper presents the organization of the INEX 2008 interactive track. In this year’s iTrack we aimed at exploring the value of element retrieval for two different task types, fact-finding and research tasks. Two research ...

    • Overview of the INEX 2009 Interactive Track 

      Pharo, Nils; Nordlie, Ragnar; Fuhr, Norbert; Beckers, Thomas; Fachry, Khairun Nisa (Lecture Notes in Computer Science;6203, Journal article; Peer reviewed, 2010)
      In the paper we present the organization of the INEX 2009 interactive track. For the 2009 experiments the iTrack has gathered data on user search behavior in a collection consisting of book metadata taken from the online ...

    • Overview of the INEX 2010 Interactive Track 

      Pharo, Nils; Beckers, Thomas; Nordlie, Ragnar; Fuhr, Norbert (Lecture Notes in Computer Science;6932, Journal article; Peer reviewed, 2011)
      In the paper we present the organization of the INEX 2010 interactive track. For the 2010 experiments the iTrack has gathered data on user search behavior in a collection consisting of book metadata taken from the online ...

    • Search Transition as a Measure of Effort in Information Retrieval Interaction 

      Nordlie, Ragnar; Pharo, Nils (Proceedings of the ASIS annual meeting;(50), Journal article; Peer reviewed, 2013)
      In this article we introduce the concept of search transitions as a unit for measuring the effort invested by searchers in information retrieval interaction. The concept is discussed and compared to traditional measures ...

    • Seven years of INEX interactive retrieval experiments – lessons and challenges 

      Nordlie, Ragnar; Pharo, Nils (Lecture Notes in Computer Science = Lecture Notes in Artificial Intelligence;(7488), Journal article; Peer reviewed, 2012)
      This paper summarizes a major effort in interactive search investigation, the INEX i-track, a collective effort run over a seven-year period. We present the experimental conditions, report some of the findings of the ...

    • Using ‘search transitions’ to study searchers investment of effort: experiences with client and server side logging 

      Pharo, Nils; Nordlie, Ragnar (Lecture Notes in Computer Science;8201, Journal article; Peer reviewed, 2013)
      We are investigating the value of using the concept ‘search transition’ for studying effort invested in information search processes. In this paper we present findings from a comparative study of data collected from client ...