Abstract
This article presents a framework that defines a visual query language for Geographical Information Systems (GIS). The main objective of the proposed framework is to improve the friendliness of a GIS interface, which is achieved by using pictorial information to build query clauses and by reducing the differences among GIS internal structures. The queries use visual elements and visual spatial operators, which are represented according to a Geographic Visual Query Language, the GeoVisualQL.
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Soares, V.G., Salgado, A.C. (2002). Visual Querying in Geographic Information Systems. In: Zhou, X., Pu, P. (eds) Visual and Multimedia Information Management. VDB 2002. IFIP — The International Federation for Information Processing, vol 88. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35592-4_18
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DOI: https://doi.org/10.1007/978-0-387-35592-4_18
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