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DCU and ISI@INEX 2010: Ad-hoc and data-centric tracks

Ganguly, Debasis and Leveling, Johannes and Jones, Gareth J.F. (2010) DCU and ISI@INEX 2010: Ad-hoc and data-centric tracks. In: The 9th International Workshop of the INitiative for the Evaluation of XML retrieval (INEX 2010), 13-15 Dec 2010, Vught, The Netherlands, .

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We describe the participation of Dublin City University (DCU)and the Indian Statistical Institute (ISI) in INEX 2010. 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 article node, is shown to outperform the baselines of Language Model (LM) and Vector Space Model (VSM) scoring of XML elements; ii) the Expectation Maximization (EM) feedback in LM is shown to be the most effective on the domain specic 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 eectiveness.

Item Type:Conference or Workshop Item (Paper)
Event Type:Conference
Subjects:Computer Science > Information retrieval
DCU Faculties and Centres:Research Initiatives and Centres > Centre for Next Generation Localisation (CNGL)
DCU Faculties and Schools > Faculty of Engineering and Computing > School of Computing
Use License:This item is licensed under a Creative Commons Attribution-NonCommercial-Share Alike 3.0 License. View License
ID Code:16418
Deposited On:01 Jul 2011 11:32 by Shane Harper. Last Modified 23 Feb 2017 09:40

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