Cortical activity of relevance

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Abstract

Many theoretical approaches in information retrieval assume that relevance is based on mutual interaction of the system and user. Past studies have mainly focused on the system side of relevance, while user-centred studies are more recent. As a result, this work aims to focus on user relevance, which is characterised as a subjective process, dependant on the specific user mind state [19]. To gain a better insight into the nature of this internal and subjective process, it is crucial to examine the underlying behavioural, physiological and psychological mechanisms involved [1]. With the development of brain imaging, new research has begun to investigate user relevance by analysing neural brain activity. However, despite the available research, different strata of relevance proposed by Saracevic (1997), have not yet been investigated in terms of neuroscience. A better understanding of relevance is an important step towards improving personalisation in the information retrieval process.

Original languageEnglish
Pages (from-to)10-15
Number of pages6
JournalCEUR Workshop Proceedings
Volume2537
Publication statusPublished - 17 Jul 2019
Event9th PhD Symposium on Future Directions in Information Access, FDIA 2019 - Milan, Italy
Duration: 17 Jul 201918 Jul 2019

Keywords

  • cognitive relevance
  • EEG
  • information processing
  • information retrieval
  • relevance
  • relevance feedback

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