[OSM-talk] MAPS.ME edits - partly sub-standard

Philip Barnes phil at trigpoint.me.uk
Mon Jun 20 13:03:24 UTC 2016


I guess an example of what I am seeing as a poor quality edit, http://osm.org/changeset/40156579

An embassy called Rachel?
Mistagging of a Monument?

Phil (trigpoint)

Phil 

On Mon Jun 20 12:52:13 2016 GMT+0100, Philip Barnes wrote:
> On Mon, 2016-06-20 at 11:26 +0200, Martin Koppenhoefer wrote:
> > 
> > 2016-06-19 22:35 GMT+02:00 Ilya Zverev <ilya at zverev.info>:
> > > As for the maps.me, I am glad that foreign names issue is basically
> > > the only one that most people agree on.
> > > 
> > 
> > there are lots of different issues, and even if many of them have not
> > yet commented on them, I still believe they do have the potential to
> > harm overall data quality. From the manual reviews I have performed
> > so far, the amount of new issues introduced was far bigger than the
> > useful information that has been added, but I didn't look at enough
> > data to make this representative in any way (of course).
> > 
> > Some of the issues that come to mind:
> > 1. stuff put projected to the middle of the road rather than the
> > actual position (common newbie error, possibly because that's how
> > google and others present search results)
> > 2. stuff put without a tag what it is (just a name and a property
> > like tourism=attraction)
> > 3. duplicates added (things that are already there)
> > 4. poor semantic level (very low detail in tagging, in some
> > occassions to a point where it becomes not understandable any more,
> > sometimes mistagged as something vaguely similar)
> > 5. sometimes missplaced objects far off (likely due to bad location
> > data in the device and users not familiar with the area, and not
> > willing to properly orient themselves)
> > 
> Many of these are newbie errors, the same as we see with any other
> editor however the big difference I see with maps.me is the apparent
> lack of reaction to changeset comments that allow the community to help
> newbies through their initial edits. When adding comments to maps.me
> changesets I do get the feeling I am wasting my time.
> Another observation I see is the geographical spread of edits, a bar in
> Portugal followed by a guest house in the UK about the local knowledge
> of what they are adding.
> Phil (trigpoint)
> 
>

-- 
Sent from my Jolla


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