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. 2023 Jan 3;10:6. doi: 10.1038/s41597-022-01893-3

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Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — (a) Illustrative example of eXtended Detail Records (XDRs) of a mobile phone user. The hexagons represent mobile phone towers and green dots the positions where the user starts a download/upload operation. The dotted line indicates the real movement of the user, from the left to the right. (b) Intra-comuna movements (black arrows) and inter-comuna movements (orange arrows). Hexagons of the same color indicate towers that fall in the same comuna.