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</SPAN></FONT><BLOCKQUOTE><FONT FACE="Calibri, Verdana, Helvetica, Arial"><SPAN STYLE='font-size:11pt'><B>From: </B>Stark Hans-Jörg <<a href="hansjoerg.stark@fhnw.ch">hansjoerg.stark@fhnw.ch</a>><BR>
<B>Reply-To: </B>OSGeo Discussions <<a href="discuss@lists.osgeo.org">discuss@lists.osgeo.org</a>><BR>
<B>Date: </B>Mon, 17 Oct 2011 23:08:40 +1100<BR>
<B>To: </B>OSGeo Discussions <<a href="discuss@lists.osgeo.org">discuss@lists.osgeo.org</a>><BR>
<B>Subject: </B>AW: [OSGeo-Discuss] Academic Research on CrowdSourced Data<BR>
<BR>
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</SPAN></FONT><BLOCKQUOTE><FONT FACE="Calibri, Verdana, Helvetica, Arial"><SPAN STYLE='font-size:11pt'>Also:<BR>
<a href="http://www.geoinformatics.com/blog/in-the-spotlight/quality-assessment-of-volunteered-geographic-information-vgi">http://www.geoinformatics.com/blog/in-the-spotlight/quality-assessment-of-volunteered-geographic-information-vgi</a><BR>
<BR>
Cheers,<BR>
Hans-Jörg<BR>
<BR>
-----Ursprüngliche Nachricht-----<BR>
Von: <a href="discuss-bounces@lists.osgeo.org">discuss-bounces@lists.osgeo.org</a> [<a href="mailto:discuss-bounces@lists.osgeo.org">mailto:discuss-bounces@lists.osgeo.org</a>] Im Auftrag von Keith Jenkins<BR>
Gesendet: Mittwoch, 12. Oktober 2011 19:23<BR>
An: OSGeo Discussions<BR>
Betreff: Re: [OSGeo-Discuss] Academic Research on CrowdSourced Data<BR>
<BR>
The following studies describes various methods of quantifying positional accuracy, completeness, etc.<BR>
<BR>
Haklay (2010) How good is volunteered geographical information? A comparative study of OpenStreetMap and Ordnance Survey datasets.<BR>
<a href="http://www.envplan.com/abstract.cgi?id=b35097">http://www.envplan.com/abstract.cgi?id=b35097</a><BR>
<BR>
Cipeluch, et al. (2010) Comparison of the accuracy of OpenStreetMap for Ireland with Google Maps and Bing Maps.<BR>
<a href="http://eprints.nuim.ie/2476/">http://eprints.nuim.ie/2476/</a><BR>
<BR>
See also their bibliographies for more.<BR>
<BR>
Cheers,<BR>
Keith<BR>
<BR>
<BR>
On Wed, Oct 12, 2011 at 1:11 PM, Fawcett, David (MPCA) <<a href="David.Fawcett@state.mn.us">David.Fawcett@state.mn.us</a>> wrote:<BR>
> I am working on a demo app to 'harness the crowd' to improve locational data for features.<BR>
><BR>
> My goal is to improve the data, but also to test multiple validation algorithms. If anyone is aware of some good research on the evaluation/validation of crowd-sourced data, I would greatly appreciate it if you could point me to the source.<BR>
><BR>
> Thanks,<BR>
><BR>
> David.<BR>
><BR>
> _______________________________________________<BR>
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