Models for half-direction based part-whole relationships

Authors:
Gaurav Singh;Rolf A. de By
Affiliations:
University of Twente, AE Enschede, The Netherlands;University of Twente, AE Enschede, The Netherlands
Venue:
Proceedings of the Third ACM SIGSPATIAL International Workshop on GeoStreaming
Year:
2012

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Abstract

We present a conceptual framework for interpreting text phrases such as "in central northern Bahia" and "in northern central Bahia" as spatial element of geographic information retrieved from text. Our approach allows spatial computations with such phrases, leading to deeper understanding of places and human spatial cognition associated with them. We develop a number of interpretation models and their placement based on different notions of centre of the reference region. We evaluate these models for the performance characteristics of precision and recall, against an Ornithological gazetteer of Brazil, and draw conclusions on the cognition of, and computation with half-direction based part-whole relations.