Computational geometry: algorithms and applications
Computational geometry: algorithms and applications
Computational geometry in C (2nd ed.)
Computational geometry in C (2nd ed.)
Proceedings of the sixth ACM symposium on Solid modeling and applications
Digital Geometry: Geometric Methods for Digital Picture Analysis
Digital Geometry: Geometric Methods for Digital Picture Analysis
Image Analysis and Mathematical Morphology
Image Analysis and Mathematical Morphology
The power crust, unions of balls, and the medial axis transform
Computational Geometry: Theory and Applications
Survey of clustering algorithms
IEEE Transactions on Neural Networks
Pareto-Optimality of Cognitively Preferred Polygonal Hulls for Dot Patterns
Proceedings of the international conference on Spatial Cognition VI: Learning, Reasoning, and Talking about Space
UC '09 Proceedings of the 8th International Conference on Unconventional Computation
A taxonomy of collective phenomena
Applied Ontology
Moving Phenomenon: Aggregation and Analysis of Geotime-Tagged Contents on the Web
W2GIS '09 Proceedings of the 9th International Symposium on Web and Wireless Geographical Information Systems
Geospatial cluster tessellation through the complete order-k Voronoi diagrams
COSIT'07 Proceedings of the 8th international conference on Spatial information theory
Assigning footprints to dot sets: an analytical survey
COSIT'09 Proceedings of the 9th international conference on Spatial information theory
Information Sciences: an International Journal
Determining objects within isochrones in spatial network databases
ADBIS'10 Proceedings of the 14th east European conference on Advances in databases and information systems
Time-geographic density estimation for moving point objects
GIScience'10 Proceedings of the 6th international conference on Geographic information science
Border samples detection for data mining applications using non convex hulls
MICAI'11 Proceedings of the 10th international conference on Artificial Intelligence: advances in Soft Computing - Volume Part II
Minimum area enclosure and alpha hull of a set of freeform planar closed curves
Computer-Aided Design
Footprint generation using fuzzy-neighborhood clustering
Geoinformatica
Computation of the travelling salesman problem by a shrinking blob
Natural Computing: an international journal
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There are many situations in GIScience where it would be useful to be able to assign a region to characterize the space occupied by a set of points. Such a region should represent the location or configuration of the points as an aggregate, abstracting away from the individual points themselves. In this paper, we call such a region a ‘footprint' for the points. We investigate and compare a number of methods for producing such footprints, with respect to nine general criteria. The discussion identifies a number of potential choices and avenues for further research. Finally, we contrast the related research already conducted in this area, highlighting differences between these existing constructs and our ‘footprints'.