Re: ISA Core Location Vocabulary

"Our early motivation is that France is using different
 coordinate systems for geolocalizing geographical objects, ..."

FWIW ... The Wikipedia page for Redonda in the Caribbean has a nice picture which illustrates the coding problem [1]. The "real owners" (Antigua&Barbuda) are not in the picture half way down the page.   When an island is uninhabited, it can be encoded as a "Component" but not a "Cohort" [2, 3] ... unless you take pains to differentiate between a Web of People and a Web of Things.

--Gannon

[1] http://en.wikipedia.org/wiki/Redonda
[2] http://cohortanalysis.com/
[3] http://www.rustprivacy.org/2013/education/fednet.html
[4] http://www.rustprivacy.org/2013/education/popcalc.html

--------------------------------------------
On Sun, 12/22/13, Raphaël Troncy <raphael.troncy@eurecom.fr> wrote:

 Subject: Re: ISA Core Location Vocabulary
 To: "Oscar Corcho" <ocorcho@fi.upm.es>, "Ghislain Atemezing" <auguste.atemezing@eurecom.fr>, "Frans Knibbe | Geodan" <frans.knibbe@geodan.nl>
 Cc: public-locadd@w3.org
 Date: Sunday, December 22, 2013, 9:50 AM
 
 Dear Oscar,
 
 > When do you plan to have this KB of coordinate systems
 already publicly
 > available? We would love to be able to reuse it.
 
 This is clearly on our todo list! With the Linking
 Geospatial Data workshop coming up, we will definitively
 push the publication of such a resource early next year.
 
 Our early motivation is that France is using different
 coordinate systems for geolocalizing geographical objects,
 such as: Lambert93 in the Metropolitan area, RGFG95 in
 Guyanne (French Antilles), RGR92 in Réunion (near
 Madagascar), RGM04 in Mayotte, RGSPM06 in
 St-Pierre-et-Miquelon, etc. The problem is that often, the
 CRS is implicit and you have of course to interpret
 differently the lat/long values given in a spreadsheet.
 
 Besides a vocabulary and a knowledge base, we are also about
 to publish a REST service that can convert data represented
 in on CRS to WGS84.
 
 Can you describe what is your use case with LocaliData ?
 Cheers.
 
   Raphaël
 
 -- Raphaël Troncy
 EURECOM, Campus SophiaTech
 Multimedia Communications Department
 450 route des Chappes, 06410 Biot, France.
 e-mail: raphael.troncy@eurecom.fr
 & raphael.troncy@gmail.com
 Tel: +33 (0)4 - 9300 8242
 Fax: +33 (0)4 - 9000 8200
 Web: http://www.eurecom.fr/~troncy/

Received on Sunday, 22 December 2013 20:26:00 UTC