- From: Kingsley Idehen <kidehen@openlinksw.com>
- Date: Wed, 24 Feb 2010 09:29:06 -0500
- To: David Baxter <retxabd@gmail.com>
- CC: Christoph LANGE <ch.lange@jacobs-university.de>, Pat Hayes <phayes@ihmc.us>, Linked Data community <public-lod@w3.org>
David Baxter wrote: > OpenCyc has colors represented as owl classes, e.g. "red > <http://sw.opencyc.org/concept/Mx4r0L_kLnS6EdaAAACgyZzFrg>" is the > class of all things that are red. All colors are instances of the > second-order class color > <http://sw.opencyc.org/concept/Mx4rr19QJHStEdaAAACgyZzFrg>. > > David Baxter > > On Wed, Feb 24, 2010 at 4:39 AM, Christoph LANGE > <ch.lange@jacobs-university.de <mailto:ch.lange@jacobs-university.de>> > wrote: > > 2010-02-24 08:31 Pat Hayes <phayes@ihmc.us <mailto:phayes@ihmc.us>>: > > Does anyone know of URIs which identify colors? Umbel has the > general > > notion of Color, but I want the actual colors, like, you know, red, > > white, blue and yellow. I can make up my own, but would rather use > > some already out there, if they exist. > > Do you really need URIs? I.e. do you want to add further > descriptions or > links to colors, such as "color1 is nicer than color2", or "color > can be > produced from material" – or do you just want to point to colors > ("thing has > color")? In the latter case, wouldn't literals with datatypes be > sufficient? > For literals, there is at least a standard for RGB colors: > #RRGGBB. Still, > here it's the standard _datatype_ that's missing. > > Cheers, > > Christoph > > -- > Christoph Lange, Jacobs Univ. Bremen, http://kwarc.info/clange, > Skype duke4701 > > See: http://linkeddata.uriburner.com/about/html/http/sw.opencyc.org/concept/Mx4r0L_kLnS6EdaAAACgyZzFrg :-) -- Regards, Kingsley Idehen President & CEO OpenLink Software Web: http://www.openlinksw.com Weblog: http://www.openlinksw.com/blog/~kidehen Twitter/Identi.ca: kidehen
Received on Wednesday, 24 February 2010 14:29:38 UTC