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Re: Moon Landing or Safari? A Study of Systematic Errors and their Causes in Geographic Linked Data

From: Krzysztof Janowicz <janowicz@ucsb.edu>
Date: Mon, 23 May 2016 07:45:37 -0700
To: Andrea Perego <andrea.perego@jrc.ec.europa.eu>
Cc: SDW WG Public List <public-sdw-wg@w3.org>
Message-ID: <57431791.6050406@ucsb.edu>
Hi Andrea,

Thanks for the question. Almost all data were point features using the 
W3C Basic Geo (WGS84 lat/long) vocabulary. This is also the reason for 
the moon landing problem.


On 05/23/2016 01:44 AM, Andrea Perego wrote:
> Many thanks for sharing your paper, Krzysztof.
> Interesting to see on the map the "x-like structure", providing 
> additional evidence to the axis order issue!
> A question: maybe I've missed it, but I wonder if in your analysis you 
> also collected information about the most used CRSs.
> Cheers,
> Andrea
> On 21/05/2016 06:19, Krzysztof Janowicz wrote:
>> Dear all,
>> Attached is a pointer to our accepted GIScience 2016 paper about
>> systematic errors in Geographic Linked Data. I hope some of the
>> described problems and their
>> (often funny) consequences will serve as good examples for existing
>> issues and the need for best practice guides. Some of these issues are
>> based on the lack of spatial reference system identifiers and thus
>> relate to a topic we discussed on the list before.
>> http://geog.ucsb.edu/~jano/giscience16_linkeddata_quality.pdf
>> Best,
>> Krzysztof

Krzysztof Janowicz

Geography Department, University of California, Santa Barbara
4830 Ellison Hall, Santa Barbara, CA 93106-4060

Email: jano@geog.ucsb.edu
Webpage: http://geog.ucsb.edu/~jano/
Semantic Web Journal: http://www.semantic-web-journal.net
Received on Monday, 23 May 2016 14:46:10 UTC

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