A comparison between usage-based and citation-based methods for recommending scholarly research articles

  • Authors:
  • André Vellino

  • Affiliations:
  • National Research Council, Ottawa, Ontario

  • Venue:
  • Proceedings of the 73rd ASIS&T Annual Meeting on Navigating Streams in an Information Ecosystem - Volume 47
  • Year:
  • 2010

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Abstract

This study compares some of the behavioural characteristics of two recommender systems for scholarly articles in a digital library: a usage-based recommender and an experimental citation-based recommender. Experimental results show that article recommendations based only on usage data are slightly better at solving the perennial data-sparsity problem that plagues collaborative filtering recommenders in digital libraries. However, citation-based recommendations are more semantically diverse and have less in common with conventional search results than the usage-based method. However both of these methods are complementary since most of the time if one recommender produces a list of recommendations the other does not.