Forostar: A System for GIR

Overell, Simon; Magalhães, João and Rüger, Stefan (2007). Forostar: A System for GIR. In: Evaluation of Multilingual and Multi-modal Information Retrieval, Lecture Notes in Computer Science, Springer, Berlin, pp. 930–937.



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.

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