[OSM-talk] Proposed map feature: source tag

[Andy Robinson]

That works for me. I'll add to the preset stuff I'm doing.

Andy


Andy Robinson
Andy_J_Robinson at blueyonder.co.uk 

>-----Original Message-----
>From: Etienne [mailto:80n80n at gmail.com]
>Sent: 28 July 2006 14:48
>To: Andy Robinson
>Cc: OpenStreetMap talk list
>Subject: Re: [OSM-talk] Proposed map feature: source tag
>
>Andy
>Yes, a single element could be made up of data from many different sources.
>I think my proposal covers that:
>
>  <way>
>    <tag k="highway" v="secondary"/>
>    <tag k="ref" v="B2011"/>
>
>    <tag k="source:ref" v="Out of copyright map,
>      Ordnance Survey atlas of Great Britain, 1922"/>
>    <tag k="name" v="Oxford Road"/>
>    <tag k="source:name" v="dictaphone"/>
>
>  </way>
>This is an example of a street that was created from tracklogs, named from
>a dictaphone recording, and the road number obtained from an out of
>copyright map.  These elements could have been contributed by three
>different people at different times.  Who did what when should be in the
>history.
>
>Etienne
>
>
>
>On 7/28/06, Andy Robinson <Andy_J_Robinson at blueyonder.co.uk> wrote:
>
>	I'll support this approach, however it's a little restrictive if
each
>	element can only have one source key, you might think about that as
>to how,
>	for instance, a person who creates the segment can provide one
source
>and
>	the next person who names it creates an additional source. You hint
>at a
>	possible solution in the last entry on the wiki by making "source" a
>	namespace. That would permit extension in many ways.
>
>	Cheers
>
>	Andy
>
>	Andy Robinson
>	Andy_J_Robinson at blueyonder.co.uk
>
>	>-----Original Message-----
>	>From: talk-bounces at openstreetmap.org [mailto:talk-
>	>bounces at openstreetmap.org] On Behalf Of Etienne
>	>Sent: 28 July 2006 13:35
>	>To: OpenStreetMap talk list
>	>Subject: [OSM-talk] Proposed map feature: source tag
>	>
>	>I'd like to draw attention to a proposed Map Features tag that I
>have just
>	>put on the wiki.
>	>
>
>http://wiki.openstreetmap.org/index.php?title=Proposed_features/Sour
>ce
>	>
>	>I think it deserves attention because it touches on a number of
>areas that
>	>are quite important.
>	>
>	>Spam and vandalism.  If we find large amounts of mapping that des
>not have
>	>supporting tracklogs and no other verifiable source then these can
>be
>	>investigated.  The source tag allows users to justify their
>contributions
>	>where they are not based on tracklogs.
>	>
>	>Verifiability.  A way with a source tag is potentially verifiable.
>This
>	>should increase users confidence in the data.
>	>
>	>Copyright.  Some data, such as street names, may come from sources
>that we
>	>currently believe are not copyrighted, but may subsequently prove
to
>be
>	>copyrighted.  The source tag would enable infringing data from that
>to be
>	>removed more easily.
>	>
>	>Namespaces.  Part of the proposal refers to yet another usage for
>the
>	>namespacing of tags.  This might be a bit controversial, but is
>intended to
>	>address the problem of different sources for different attributes.
>	>
>	>Comments, suggestions and alternative ideas are welcome, either
here
>or on
>	>the discussion page.
>	>
>	>
>	>Etienne
>	>
>
>
>
>
>