Tiago M. Delboni

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In this paper, we explore the use of natural language expressions to perform geographic searches on the Web, without resorting to geocoded data. Such expressions denote the positioning of a subject with respect to a landmark --- a valuable source of geographical context embedded in the unstructured text of Web documents. Our approach leads to novel query(More)
The Web is a large source of geographic information. Many Web documents have one or more spatial references, such as place names, addresses, zip codes or phone numbers. These spatial references are usually found in a semistructured fashion, which allows humans to identify and assign a geographic meaning to documents. In this paper, we discuss the important(More)
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