Cooperation, bookmarking, and thesaurus in interactive bilingual question answering

  • Authors:
  • Preben Hansen;Jussi Karlgren;Magnus Sahlgren

  • Affiliations:
  • Swedish Institute of Computer Science, Stockholm;Swedish Institute of Computer Science, Stockholm;Swedish Institute of Computer Science, Stockholm

  • Venue:
  • CLEF'04 Proceedings of the 5th conference on Cross-Language Evaluation Forum: multilingual Information Access for Text, Speech and Images
  • Year:
  • 2004

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Abstract

The study presented involves several different contextual aspects and is the latest in a continuing series of exploratory experiments on information access behaviour in a multi-lingual context [1, 2]. This year's interactive cross-lingual information access experiment was designed to measure three parameters we expected would affect the performance of users in cross-lingual tasks in languages in which the users are less than fluent. Firstly, introducing new technology, we measure the effect of topic-tailored term expansion on query formulation. Secondly, introducing a new component in the interactive interface, we investigate – without measuring by using a control group – the effect of a bookmark panel on user confidence in the reported result. Thirdly, we ran subjects pair-wise and allowed them to communicate verbally, to investigate how people may cooperate and collaborate with a partner during a search session performing a similar but non-identical search task.