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Title:
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DETECTING IMPLICITLY MENTIONED PLACES IN TEXT USING AN ONTOLOGICAL GAZETTEER |
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Author(s):
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Ivre Marjorie Ribeiro Machado, Clodoveu A. Davis Jr., Roberto de Oliveira Campos Junior |
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ISBN:
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978-989-8533-01-2 |
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Editors:
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Bebo White, Pedro Isaías and Flávia Maria Santoro |
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Year:
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2011 |
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Edition:
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Single |
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Keywords:
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Gazetteer; ontological gazetteer; place names; geographic information retrieval; ontology; place name disambiguation |
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Type:
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Full Paper |
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First Page:
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93 |
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Last Page:
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100 |
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Language:
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English |
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Cover:
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Full Contents:
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click to dowload 
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Paper Abstract:
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Recognizing references to places in text is a complex problem. Place names are often ambiguous, since places are frequently named after people, objects, or even other places. In this paper, we present a next-generation gazetteer, a toponymic dictionary which expands from the traditional cataloguing of place names and includes elements such as relationships, alternative names and place-related terms. As such, we call it an OntoGazetteer, i.e., a gazetteer which records geographic and semantic connections between places. Using the set of place names and additional information stored in the OntoGazetteer, it is possible to recognize explicit references to places in a text. From the set of recognized terms, we demonstrate the feasibility of an approach to infer references to additional places, which are implicitly mentioned in the text. Results indicate that the semantic contents of the OntoGazetteer can be very helpful to applications requiring spatial entity recognition, such as geographic information retrieval and natural language processing. |
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