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DCU and ISI@INEX 2010: Adhoc and Data-Centric Tracks

  • Conference paper
Comparative Evaluation of Focused Retrieval (INEX 2010)

Part of the book series: Lecture Notes in Computer Science ((LNISA,volume 6932))

Abstract

We describe the participation of Dublin City University (DCU) and Indian Statistical Institute (ISI) in INEX 2010 for the Adhoc and Data Centric tracks. The main contributions of this paper are: i) a simplified version of Hierarchical Language Model (HLM), which involves scoring XML elements with a combined probability of generating the given query from itself and the top level articl node, is shown to outperform the baselines of LM and VSM scoring of XML elements; ii) the Expectation Maximization (EM) feedback in LM is shown to be the most effective on the domain specific collection of IMDB; iii) automated removal of sentences indicating aspects of irrelevance from the narratives of INEX ad hoc topics is shown to improve retrieval effectiveness.

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References

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Author information

Authors and Affiliations

  1. CNGL, School of Computing, Dublin City University, Dublin, Ireland

    Debasis Ganguly, Johannes Leveling & Gareth J. F. Jones

  2. CVPR Unit, Indian Statistical Institute, Kolkata, India

    Sauparna Palchowdhury, Sukomal Pal & Mandar Mitra

Authors
  1. Debasis Ganguly
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  2. Johannes Leveling
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  3. Gareth J. F. Jones
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  4. Sauparna Palchowdhury
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  5. Sukomal Pal
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  6. Mandar Mitra
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Editor information

Editors and Affiliations

  1. Faculty of Science and Technology, Queensland University of Technology, GPO Box 2434, Qld 4001, Brisbane, Australia

    Shlomo Geva

  2. Archives and Information Studies/Humanities, University of Amsterdam, Turfdraagsterpad 9, 1012XT, Amsterdam, The Netherlands

    Jaap Kamps

  3. Multimodal Computing and Interaction, Saarland University, 66123, Saarbrücken, Germany

    Ralf Schenkel

  4. Department of Computer Science, University of Otago, P.O. Box 56, 9054, Dunedin, New Zealand

    Andrew Trotman

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© 2011 Springer-Verlag Berlin Heidelberg

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Ganguly, D., Leveling, J., Jones, G.J.F., Palchowdhury, S., Pal, S., Mitra, M. (2011). DCU and ISI@INEX 2010: Adhoc and Data-Centric Tracks. In: Geva, S., Kamps, J., Schenkel, R., Trotman, A. (eds) Comparative Evaluation of Focused Retrieval. INEX 2010. Lecture Notes in Computer Science, vol 6932. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-23577-1_16

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  • DOI: https://doi.org/10.1007/978-3-642-23577-1_16

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-23576-4

  • Online ISBN: 978-3-642-23577-1

  • eBook Packages: Computer ScienceComputer Science (R0)

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