Abundant Topological Outliers in Social Media Data and Their Effect on Spatial Analysis

• Rene Westerholt ,

  * E-mail: westerholt@uni-heidelberg.de

  Affiliation GIScience, Institute of Geography, Heidelberg University, Heidelberg, Germany

  http://orcid.org/0000-0001-8228-3814

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• Enrico Steiger ,

  Contributed equally to this work with: Enrico Steiger, Bernd Resch

  Affiliation GIScience, Institute of Geography, Heidelberg University, Heidelberg, Germany

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• Bernd Resch ,

  Contributed equally to this work with: Enrico Steiger, Bernd Resch

  Affiliations Z_GIS, Department of Geoinformatics, University of Salzburg, Salzburg, Austria, Center for Geographic Analysis, IQSS, Harvard University, Cambridge, MA, United States of America

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• Alexander Zipf

  Affiliation GIScience, Institute of Geography, Heidelberg University, Heidelberg, Germany

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