Tag: Analyse
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Detecting vandalism in OpenStreetMap – A case study
This blog post is a summary of my talk at the FOSSGIS & OpenStreetMap conference 2017 (german slides). I guess some of the content might be feasible for a research article, however, here we go: Vandalism is (still) an omnipresent issue for any kind of open data project. Over the past few years the OpenStreetMap…
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A comparative study between different OpenStreetMap contributor groups – Outline 2016
Over the past few years I have written several blog posts about the (non-) activity of newly registered OpenStreetMap (OSM) members (2015, 2014, 2013). Similarly to the previous posts, the following image shows the gap between the number of registered and the number of active OSM members. Although the project still shows millions of new…
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What Impact has the OSM License Change in Germany on the Street Network Length? – 1st Attempt –
The OpenStreetMap project will possibly finalize its license change on April 1st 2012. There are certain concerns in the community about possible data losses and to keep them as little as possible…
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OSM Routing View Worldwide 2011-11
Really great news for all our non-European OSM Mappers: Since last month, the OSM Routing View is available for the whole world …
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The OpenStreetMap Evolution of Austria (2007-2011)
Currently I am working on a research paper about the OpenStreetMap evolution of Germany. For the last AGIT conference in Salzburg and the upcoming “State of the Map Europe” (SotM-EU) conference in Vienna I did a similar analysis about the OpenStreetMap Evolution of Austria …
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A comparison of several routing-engines – Which one is the fastest?
I think it is time do a little comparison analysis about the request/response time of several routing APIs. The main question I wanted to answer was: “Is an OpenStreetMap direction service faster than G**gle?” …
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Edit Stats for OSM Japan
During the creation of the layers for the “Road Status in Japan”, I log some editing information of OpenStreetMap too …
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The Return of “Unmapped Places in OSM EU”
At the moment (March 11th, 2011) we have (according to the Geofabrik extract) 505091 places in OpenStreetmap Europe …
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Growing agreement & relicensing OSM -Update-
My last blog post about the growing agreement to the new OpenStreetMAP CTs is now nearly three months ago …
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Updated Error Summary for Europe
This month I tried something new. Overall the following amount of errors appears for OpenStreetMap “Europe”: Unconnected Roads …