An exploration of learning to link with Wikipedia: features, methods and training collection

  • Authors:
  • Jiyin He;Maarten De Rijk

  • Affiliations:
  • ISLA, University of Amsterdam, Amsterdam, The Netherlands;ISLA, University of Amsterdam, Amsterdam, The Netherlands

  • Venue:
  • INEX'09 Proceedings of the Focused retrieval and evaluation, and 8th international conference on Initiative for the evaluation of XML retrieval
  • Year:
  • 2009

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Abstract

We describe our participation in the Link-the-Wiki track at INEX 2009. We apply machine learning methods to the anchor-to-best-entry-point task and explore the impact of the following aspects of our approaches: features, learning methods as well as the collection used for training the models. We find that a learning to rank-based approach and a binary classification approach do not differ a lot. The new Wikipedia collection which is of larger size and which has more links than the collection previously used, provides better training material for learning our models. In addition, a heuristic run which combines the two intuitively most useful features outperforms machine learning based runs, which suggests that a further analysis and selection of features is necessary.