Then why don't you submit a paper to the CNFG (http://www.cnfg.fr/) and correct the Wikipadia articles?
Sergio On 2019-02-16 23:07, marc marc wrote: > Le 16.02.19 à 22:32, Sergio Manzi a écrit : >> A static value for a river length in OSM, without any information about >> its source > every tag you add into osm have a changeset with a source tag, isn't it? > so adding the lenght should/must also have a source (extrapolation (sum > of all way of a relation) of osm data is a source) > > a few month ago, I have checked the length of Rhône [1] > the french wikipedia list 2 sources for the lenght... both are very fair > away of the lenght found after some work on osm data. > which one to choose? osm without hesitation. maybe it is not fair but at > least it is verifiable (everyone can load the relationship, see the > result and correct errors if necessary) while the other 2 sources > (including the official French source) are totally unverifiable. > > unfortunately I did not send in osm the result of the cleaning because > it concerned partly errors in osm (mainly roles in the relationship) > but I started by purging everything that didn't interest me in the > relationship before fixing. it will have to be done again > > [1] https://en.wikipedia.org/wiki/Rh%C3%B4ne > _______________________________________________ > Tagging mailing list > Tagging@openstreetmap.org > https://lists.openstreetmap.org/listinfo/tagging
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