• The effect of granularity and order in XML element retrieval 

      Pharo, Nils (Information Processing & Management, Journal article; Peer reviewed, 2008)
      The article presents an analysis of the effect of granularity and order in an XML encoded collection of full text journal articles. 218 sessions of searchers performing simulated work tasks in the collection have been ...
    • Experimental methods in IIR: The tension between rigour and ethics in studies involving users with dyslexia 

      Berget, Gerd; MacFarlane, Andrew (Chapter; Peer reviewed, 2019)
      Designing user studies in the interactive information retrieval (IIR) paradigm on people with impairments may sometimes require different methodological considerations than for other users. Consequently, there ...
    • INEX iTrack Revisited: Exploring the Potential for Re-use 

      Pharo, Nils (CEUR Workshop Proceedings;Vol-2337; Barriers to Interactive IR Resources Re-use 2019, Journal article; Peer reviewed, 2019-03-24)
      This paper presents the experiences from the INEXi Track experiments conducted over a period of seven years. The purpose is to present the infrastructure of the experiments with the aim to identify its potential for re-use ...
    • A need for information on information needs 

      Borlund, Pia; Pharo, Nils (Information Research;vol. 24 no. 4, Journal article; Peer reviewed, 2019)
      Introduction. We report a study on everyday life information needs in order to obtain a deeper understanding and insight of what constitute information needs, and how they can be characterised. Method. The information ...
    • Search interface design and evaluation 

      Liu, Chang; Liu, Ying-Hsang; Liu, Jingjing; Bierig, Ralf (Peer reviewed; Journal article, 2021)
      This monograph reviews research on the design and evaluation of search user interfaces that has been published within the past 10 years. Our primary goal is to integrate state-of-the-art research in the areas of information ...
    • 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 ...