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OpenStreetMap, one geographic database to rule them all?

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OpenStreetMap, one geographic database to rule them all?
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Mapping the railway network for the public, with the public
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542
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CC Attribution 2.0 Belgium:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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Abstract
Accurate description of the railway network as always been a key resource to manage train circulations. To solve common problems of operation simulation requires a great amount of data of high quality. Unfortunately, open data published by infrastructure managers in Europe is not meeting expectations: poor documentation, no information on data quality, low frequency updates, missing data, heterogeneous coverage… In this talk, we will compare current railway network data availability and quality on OpenStreetMap and on company-owned open data platforms of several European countries. Based on this analysis, we will issue usage recommendations for open-source projects needing to use railway network description data. Then, we will share perspectives on the evolution of these data sources on the years to come.