A general theory of spatial relations to support a graphical tool for visual information extraction

Authors:
Giuseppe Della Penna;Daniele Magazzeni;Sergio Orefice
Affiliations:
Department of Computer Science, University of L'Aquila, Italy;Department of Informatics, King's College London, Strand, London WC2R 2LS, UK;Department of Computer Science, University of L'Aquila, Italy
Venue:
Journal of Visual Languages and Computing
Year:
2013

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Abstract

In this paper we present a general spatial composition framework which allows one to model the graphical objects and the spatial relations of a large class of visual languages. The new formalism has been implemented within the SRQ tool, a software system for the Visual Information Extraction, enabling it to work on a wider range of domains. In particular, in the paper we describe the application of SRQ to geospatial data.