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Erschienen in:
2010 | OriginalPaper | Buchkapitel
Co-occurrence Based Place Name Disambiguation and Its Application to Retrieval of Geological Text
verfasst von : N. V. Sobhana, Alimpan Barua, Monotosh Das, Pabitra Mitra, S. K. Ghosh
Erschienen in: Recent Trends in Networks and Communications
Verlag: Springer Berlin Heidelberg
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This paper presents a method for resolution of ambiguity of place names and its evaluation over the Geological Corpus. We discussed the methods for generating co-occurrence models (co-occurrence matrix and cooccurrence graph) for the purpose of place name disambiguation. A graph based disambiguation algorithm is introduced to resolve the ambiguities such as synonyms and polynyms in place names. Using the neighborhoods in the cooccurrence graph, the query can be expanded with related place names after disambiguation. Experimental results on a Geological corpus (IITKGPGEOCORP) show that query expansion with place disambiguation outperforms the baseline method.