Forostar: a system for GIR

Authors:
Simon Overell;João Magalhães;Stefan Rüger
Affiliations:
Multimedia and Information Systems, Department of Computing, Imperial College London, UK;Multimedia and Information Systems, Department of Computing, Imperial College London, UK;Multimedia and Information Systems, Department of Computing, Imperial College London, UK and Knowledge Media Institute, The Open University, Milton Keynes, UK
Venue:
CLEF'06 Proceedings of the 7th international conference on Cross-Language Evaluation Forum: evaluation of multilingual and multi-modal information retrieval
Year:
2006

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Abstract

We detail our methods for generating and applying co-occurrence models for the purpose of placename disambiguation. We explain in detail our use of co-occurrence models for placename disambiguation using a model generated from Wikipedia. The presented system is split into two stages: a batch text & geographic indexer and a real time query engine. Four alternative query constructions and six methods of generating a geographic index are compared. The paper concludes with a full description of future work and ways in which the system could be optimised.