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Re: [ANN] Linked Open Colors

From: Christopher Gutteridge <cjg@ecs.soton.ac.uk>
Date: Fri, 01 Apr 2011 10:44:21 +0100
Message-ID: <EMEW3|2ff473029955528c6ff84d9b0f0a9785n30AiY03cjg|ecs.soton.ac.uk|4D959E75.3080604@ecs.soton.ac.uk>
To: John Goodwin <John.Goodwin@ordnancesurvey.co.uk>
CC: Richard Cyganiak <richard@cyganiak.de>, Sergio Fernández <sergio.fernandez@fundacionctic.org>, Linked Data community <public-lod@w3.org>
Hmm. That would DOUBLE the triples. I'd better make it optional.

http://is.gd/QLqhrN

Otherwise it might be considered silly.

John Goodwin wrote:
> This is very useful Chris, however I think it would also be useful to relate pixels by spatial predicates. We could probably build on the OS spatial relations ontology to create orientation predicates, e.g.:
>  
> directlyLeftOf subPropertyOf sr:touches
> directlyLeftOf subPropertyOf leftOf
>  
> pixel1 directlyLeftOf pixel2
>  
> etc..
>  
> John
>
> ________________________________
>
> From: Christopher Gutteridge [mailto:cjg@ecs.soton.ac.uk]
> Sent: Fri 4/1/2011 10:29
> To: Richard Cyganiak
> Cc: John Goodwin; Sergio Fernández; Linked Data community
> Subject: Re: [ANN] Linked Open Colors
>
>
> Suggested future work:
> * Relate each colour to a brightness, hue and saturation URI. Maybe also link to RDF documents for the combinations of b+h, n+s and h+s so people can see variants of saturation, brightness and hue.
> * Link to the complimentary colour (inverse)
> * Link to the harmonious colours
> * Link to the nearest 'web safe' colour.
> * Give all colours a label, even if it's just the label for the nearest web safe color. If http://linkedopencolors.appspot.com/color/rgb/85a3ce.rdf said 'light blue' somewhere it would have far more utility.
> * Define some useful predicates; for example to relate an image to the major colour(s) used within it.
> * provide a .png as well as .rdf and .html so people can link to a swatch of the colour.
> * provide a recommended way to indicate transparency (which is possibly separate from colour?) Perhaps also other properties like reflectivity etc.
>
> Anyhow, I've knocked up a quick image-to-RDF service;  http://graphite.ecs.soton.ac.uk/img2rdf/
>
> Example output: http://is.gd/3h0Ais
>
> I've limited it to 10K pixels for now. Code available on request.
>
> Richard Cyganiak wrote: 
>
> 	On 1 Apr 2011, at 13:32, John Goodwin wrote:
> 	  
>
> 		Thank you for this - very useful. Also very timely as OS are about to release all raster mapping products in RDF. 
> 		    
>
> 	That's about time! I want to use SPARQL CONSTRUCT for image processing.
> 	
> 	Best,
> 	Richard
> 	
> 	
> 	
> 	  
>
> 		John
> 		
> 		-----Original Message-----
> 		From: public-lod-request@w3.org on behalf of Sergio Fernández
> 		Sent: Fri 4/1/2011 08:45
> 		To: Linked Data community
> 		Subject: [ANN] Linked Open Colors
> 		
> 		Hi,
> 		
> 		for giving some color to the semantic web folks, we are happy to
> 		announce the release the "Linked Open Colors" dataset [1]. The Linked
> 		Open Colors project offers tons of facts about colors, all readily
> 		available as Linked Open Data, linking with other relevant datasets
> 		such as dbpedia.
> 		
> 		The dataset and its publication mechanisms have been pedantically
> 		checked, and we expect no errors in the triples; if you do find some,
> 		please let us know.
> 		
> 		This project is highly inspired by Linked Open Numbers project [2].
> 		Happy April Fools' Day!
> 		
> 		Cheers,
> 		
> 		[1] http://purl.org/colors <https://spitfire.ordnancesurvey.co.uk/,DanaInfo=purl.org+colors> 
> 		[2] http://km.aifb.kit.edu/projects/numbers/ <https://spitfire.ordnancesurvey.co.uk/projects/numbers/,DanaInfo=km.aifb.kit.edu+> 
> 		
> 		-- 
> 		Carlos Tejo, Iván Mínguez and Sergio Fernández
> 		
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> 		    
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> 	  
>
>
>   

-- 
Christopher Gutteridge -- http://id.ecs.soton.ac.uk/person/1248

You should read the ECS Web Team blog: http://blogs.ecs.soton.ac.uk/webteam/
Received on Friday, 1 April 2011 09:45:02 UTC

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