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Re: [ANN] Linked Open Colors

From: Christopher Gutteridge <cjg@ecs.soton.ac.uk>
Date: Fri, 01 Apr 2011 11:11:28 +0100
Message-ID: <EMEW3|7f24ff1503f80891745ef32aa929ab97n30BBd03cjg|ecs.soton.ac.uk|4D95A4D0.8070405@ecs.soton.ac.uk>
To: Dave Challis <dsc@ecs.soton.ac.uk>
CC: John Goodwin <John.Goodwin@ordnancesurvey.co.uk>, Richard Cyganiak <richard@cyganiak.de>, Sergio Fernández <sergio.fernandez@fundacionctic.org>, Linked Data community <public-lod@w3.org>
Done.

Dave Challis wrote:
> Could you add a foaf:depiction of each pixel? It'd really help with 
> visualisations, and encourage re-use without having to implement a 
> pixel renderer each time.
>
>
> On 01/04/11 10:44, Christopher Gutteridge wrote:
>> 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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>>>
>>>
>>>
>>>
>>>
>>
>
>

-- 
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 10:12:11 UTC

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