[OSM-dev] A OSM error correction model. Comments, suggestions?

[Jochen Topf]

Hi!

There are any number of tools doing more or less what you are proposing.
See http://wiki.openstreetmap.org/wiki/Category:Quality_Assurance

Jochen

On Tue, Sep 25, 2012 at 12:41:57PM +0200, Sandor Seres wrote:
> Date: Tue, 25 Sep 2012 12:41:57 +0200
> From: Sandor Seres <sandors39 at gmail.com>
> To: dev at openstreetmap.org
> Subject: [OSM-dev] A OSM error correction model. Comments, suggestions?
> 
> There are many of us doing OSM source data based mapping, routing,
> navigation and similar activities. Although we are on the user side (and
> often stamped as “passive members”) we are those exposing the enthusiastic
> work of many, many active members/editors to the public. For this work we
> frequently download the source data in certain form to update our local
> data source versions. Now, during this update procedure, we inevitably
> meet/detect many, many (thousands and thousands) errors that we try to
> correct/repair. Although the error notion here (versus correct) is prone to
> subjective factors, yet we have certain common feelings about them. For
> example, while a wrong road connection or a wrong roundabout is irrelevant
> for a raster mapping model, it may be decisive for a
> line-following/routing/navigation system or for a vector based mapping
> (service, transmission, rendering).  So, the subject:
> 
> If we already have detected so many errors, would it be of interest to
> expose them on an easy accessible place and in an easily
> understandable/visual form to the forum of active editors?
> 
> I believe in this way the local people/editors familiar with the local RW
> situation, could easily do the most correct judgment and correction. I also
> believe that the model is rather general and valid for many (if not for
> all) OSM object classes. Also, this type of corrections could radically
> improve the source data quality and save lots of development efforts and
> that is, of course, in our common interest.
> 
> Based on some protocols from my frequently repeated data-preparation phase,
> I made a white paper “OSM_DataErrorReduction_Model” with more details and
> arguments. If interested, you can find it here:
> 
> https://docs.google.com/open?id=0B6qGm3k2qWHqWWdCTzMydVU2SEU
> 
> The idea/motivation for the paper (though in bullets format), and for this
> mail, was triggered by frequently asked questions on the help forum related
> to the routing/navigation errors.
> 
> Thanks for your attention.

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Jochen Topf  jochen at remote.org  http://www.remote.org/jochen/  +49-721-388298