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Methods for calculating walking distances
Leiden Univ, Ctr Linguist, Leiden, Netherlands;Kazan Fed Univ, Lab Quantitat Linguist, Kazan, Russia;Beijing Language Univ, Beijing, Peoples R China.
Uppsala University, Disciplinary Domain of Humanities and Social Sciences, Faculty of Languages, Department of Linguistics and Philology.ORCID iD: 0000-0003-0120-6396
2020 (English)In: Physica A: Statistical Mechanics and its Applications, ISSN 0378-4371, E-ISSN 1873-2119, Vol. 540, article id 122890Article in journal (Refereed) Published
Abstract [en]

In many scientific disciplines it is often necessary to refer to geographical travel distances. While online services can provide such distances, they fail for larger distances or for distances between points not connected by roads, and they do not allow for the calculation of many distances. Here we describe two novel methods of measuring travel distances which overcome these problems. Both use waypoints of populated places from the geonames.org database. The more efficient and accurate of the two uses the Dijkstra algorithm to find the shortest path through a Delaunay graph of neighbouring populated places.

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ELSEVIER , 2020. Vol. 540, article id 122890
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Transport Systems and Logistics
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URN: urn:nbn:se:uu:diva-405332DOI: 10.1016/j.physa.2019.122890ISI: 000506711900056OAI: oai:DiVA.org:uu-405332DiVA, id: diva2:1411580
Available from: 2020-03-04 Created: 2020-03-04 Last updated: 2020-03-04Bibliographically approved

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Hammarström, Harald

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