Thanks for the quick reply Frederick,
Hmm, List_of_colors does exist, and I got the basic results via this
query on dbpedia's endpoint:
SELECT * WHERE {<http://dbpedia.org/resource/List_of_colors> ?p ?o}
Please try this link: http://tinyurl.com/5c3qx2
Can you check and see if that works? This list has a lot more colors
and corresponding hex values and is the reason why I'm querying it. I
just don't understand how I'll get the separated names and hex values
to come together.
Thanks also for the example you gave; that's a great way to get the
names but due to the inconsistencies of the wikipedia content there's
not too many colors that match the query. However I'll see how I can
work with your example on the above resource.
If anyone has a solution to the same question, i.e. getting names+hex
values from the List_of_colors resource, I will be eternally grateful!
Cheers,
Andrew
On May 6, 2008, at 11:10 AM, Frederick Giasson wrote:
> Hi Andrew,
>
>
>
> First, where List_of_colors doesn't seems to be on the dbpedia
> endpoint (http://dbpedia.org/sparql/)
>
>
> So I had to tweak it a bit (dunno if all colors are there):
>
> SELECT ?colorName ?hexValue from <http://dbpedia.org> WHERE
> {
> ?color <http://dbpedia.org/property/rgbspace>
> <http://dbpedia.org/resource/sRGB_color_space
> >.
> ?color <http://dbpedia.org/property/hex> ?hexValue.
> ?color <http://dbpedia.org/property/title> ?colorName.
> }
>
> What I hope is that all colors have the property "rgbspace" with
> "<http://dbpedia.org/resource/sRGB_color_space
> >" has object.
>
> From there you get hex-values with names (titles...).
>
> The top 25 results are: *http://tinyurl.com/5xqaat
>
>
> Names are weird though....
>
>
> Hope this helps.
>
>
> Take care,
>
> Fred
> *
>> Hi everyone,
>>
>> I have a question with regards to forming a SPARQL query for
>> DBPedia. I'm new to SPARQL and some help here will really be
>> appreciated.
>>
>> What I'm trying to do is to pull off the list of colors, as well
>> as their corresponding hex values off of this resource:
>>
>> http://dbpedia.org/resource/List_of_colors
>>
>> My test SPARQL query to grab all of the content in there looks
>> like this:
>>
>> SELECT ?property ?hasValue WHERE {
>> <http://dbpedia.org/resource/List_of_colors> ?property ?hasValue
>> }
>>
>> And it looks good; I'm getting color names nicely split into
>> separate elements:
>> http://dbpedia.org/property/name http://dbpedia.org/resource/Alice_blue
>> http://dbpedia.org/property/name http://dbpedia.org/resource/
>> Alizarin
>> http://dbpedia.org/property/name
>> http://dbpedia.org/resource/Amaranth_%28color%29
>> http://dbpedia.org/property/name
>> http://dbpedia.org/resource/Aqua_%28color%29
>> ...
>>
>> The problem is, the corresponding hex values are dumped further
>> down in separate rows:
>> http://dbpedia.org/property/hex 0000C8
>> http://dbpedia.org/property/hex 0000CD
>> http://dbpedia.org/property/hex 0000FF
>> http://dbpedia.org/property/hex 002FA7
>> ...
>>
>> This list of colors are ordered by their hex value, and so do not
>> match the same order of the list of color names.
>>
>> So my question is this: how will I be able to grab the matching
>> hex values for each color?
>>
>>
>>
>> Thanks and regards,
>> Andrew
>>
>>
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