[Geodata] wiki-nature geodata aggregators
Arnulf Christl
arnulf.christl at wheregroup.com
Tue Jul 28 10:25:31 EDT 2009
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Mikel Maron, OSM schrieb:
> Well said Andrew.
>
> I'll also add that just because a geodata set has a stamp or
> "authority", and some apparent quality assurance process, does not
> mean that the resulting data is any better, or the process any more
> full proof, than the many eyes approach of OSM.
True. At the same time for some it does make a difference whether an
authority of some kind stamps information or not. OSGeo may well (be)
develop(ed) into a kind of authority because it is not ...
> The "man behind the
> curtain"
...but values openness and operates with a crowd sourced, transparent
but all the same traceable process. And it is in some ways independent
of the OSM die-hards. Independency is highly valued for stamping things.
> of authoritative geodata is that the processes are actually
> less comprehensive (a certain NMA that shall remain nameless does not
> even track which individual surveyor & cartographer were responsible
> for which bits of data) and often of lower quality. And that's with
> tremendous amount of more money and time than OSM has had!
Beware of such statements, I am pretty unsure whether it is ecologically
viable to move a crowd to map something or have one professional do the
same thing with - well - "professional" efficiency. This is not said to
devalue what OSMembers do nor overestimate what certain unnamed
OSurveyors do.
> Not to say that there's nothing OSM can learn from traditional map
> makers .. we're not that full of ourselves! But certainly there's
> widespread acknowledgement that "they" can learn from "us" as well.
> The efforts that Andrew mentions, to feedback crowdsourced data into
> official sources, are some of the most interesting problems in our
> field right now.
>
> -Mikel
Well said.
Regards,
> ________________________________ From: Andrew Turner
> <ajturner at gmail.com> To: Martin Spott <Martin.Spott at mgras.net> Cc:
> geodata at lists.osgeo.org Sent: Saturday, July 25, 2009 10:03:41 AM
> Subject: Re: [Geodata] wiki-nature geodata aggregators
>
> On Sat, Jul 25, 2009 at 11:57 AM, Martin
> Spott<Martin.Spott at mgras.net> wrote:
>> Jo Walsh wrote:
>>
>>> "It would be nice" to see a data quality push - not in terms of
>>> comparison to proprietary sources, but in terms of peer review
>>> and of spreading, well, quality assurance, through the network
>>> back up to original data providers. How to do this without
>>> bureaucratic overhead (or while funding bureaucratic overhead)?
>>> Answers on a postcard...
>> No idea, as the conceptual 'design' behind all these data providers
>> requires their sources to be "authoritative" in some way - a
>> criteria that is unlikely to be met by any effort which relies
>> primarily on crowdsourcing :-)
>
> I disagree. You're seeing OSM and GeoNames powering the data systems
> of more companies and organizations. They are leveraging scale,
> development and communities that none of these individual groups
> could begin to enable themselves.
>
> There have been efforts to incorporate data back into original
> sources - a problem that has social, legal, and technical hurdles.
> Yet the onus can be on the receiving organization to incorporate this
> potentially very valuable data instead of putting that burden on the
> larger community itself to attempt to cater to each group.
>
> What I think we'll see more of are organizations just embracing these
> projects and data sources as their primary source itself and
> enhancing. The problem here is the licensing for databases like OSM
> is "viral", so any changes would have to be opened back up - so the
> goal here would be to convince government and other agencies that
> their value doesn't lie in their hoarding the data, but curating and
> ensuring it's coverage and accuracy in their specific areas of
> interest. This removes the technical burden of them developing tools
> (their not tool shops) or pulling together various domains and
> connecting with regions outside their own area. The added benefit is
> it engages them directly with the community that also cares in using
> the data through these aggregation hubs.
>
> Andrew
>
>> Cheers, Martin. -- Unix _IS_ user friendly - it's just selective
>> about who its friends are !
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>
>
>
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- --
Arnulf Christl
Spatial Systems Architect
WhereGroup www.wheregroup.com
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