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Re: How to describe a resource elsewhere?

From: Phil Barker <phil.barker@hw.ac.uk>
Date: Mon, 16 Apr 2012 15:03:04 +0100
Message-ID: <4F8C2698.3000001@hw.ac.uk>
To: Adrian Giurca <giurca@tu-cottbus.de>
CC: "public-vocabs@w3.org" <public-vocabs@w3.org>, lrmi@googlegroups.com
[slight change to subject line to be more generally correct]

Thanks Adrian, that would suggest the first approach I gave.  Is @url 
being the page itself (I assume the page being marked-up) a general 
principle for microdata or schema.org?

Phil

On 16/04/2012 14:52, Adrian Giurca wrote:
> I would say describing a page is to  describe a CreativeWork/WebPage. 
> As @url is the page itself I would use @about to store the URL of the 
> creative content that is described.
>
> -Adrian Giurca
>
> On 4/16/2012 3:41 PM, Phil Barker wrote:
>> Hello all,
>> I'm working on some examples for marking up educational/learning 
>> resources using schema.org (including the proposed LRMI properties).  
>> There are quite a lot of catalogue-like services which provide some 
>> of the best descriptions for learning resources without actually 
>> providing the resource itself. They are simply there to help people 
>> find learning resources held elsewhere. A fairly typical example 
>> would be the National Science Digital Library, with pages like 
>> http://nsdl.org/search/resource/2200/20110414163807295T
>>
>> I can see two options for marking up these pages, 1. add schema.org 
>> microdata to describe the webpage as it is and say that it refers to 
>> something elsewhere which is a learning resource with certain 
>> characteristics, or 2. just add microdata to describe the learning 
>> resource.  I'ld be interested in any advice/opinions/speculation on 
>> which might be the best approach, especially if you think there are 
>> any pitfalls to either approach.
>>
>> For the NSDL example, the first approach would give a description 
>> along the lines of:
>>
>> Item
>> *Type:* http://schema.org/webpage
>>    url = http://nsdl.org/search/resource/2200/20110414163807295T
>>    provider = /Item/( 1 )
>>    publisher = /Item/( 1 )
>>    creator = /Item/( 1 )
>>    about = /Item/( 2 )
>>
>> Item 1
>> *Type:* http://www.pjjk.net/organization
>>    name = National Science Digital Library
>>    url = http://nsdl.org/
>>
>> Item 2
>> *Type:* http://schema.org/creativework
>>    name = Learning About Ratios: A Sandwich Study
>>    url = 
>> http://www.cteonline.org/portal/default/Resources/Viewer/ResourceViewer?action=2&resid=227315 
>>
>>    learningresourcetype = Instructional Material
>>    creator = ...
>>    about = ...
>>    ...etc
>>
>>
>> The second would mark up the page at 
>> http://nsdl.org/search/resource/2200/20110414163807295T to produce:
>>
>> Item
>> *Type:* http://schema.org/creativework
>>    name = Learning About Ratios: A Sandwich Study
>>    url = 
>> http://www.cteonline.org/portal/default/Resources/Viewer/ResourceViewer?action=2&resid=227315 
>>
>>    learningresourcetype = Instructional Material
>>    creator = ...
>>    about = ...
>>    ....etc
>>
>>
>> As I see it,  the first approach has some advantages since it 
>> acknowledges that the page being marked up is in itself a useful 
>> resource, and allows us to say some fairly sophisticated things like 
>> the description on the NSDL page and the "learning about ratios" 
>> resource being available from different people (maybe under different 
>> licenses etc.) However it might be over-sophisticated and the big 
>> search engines might just ignore the information about the learning 
>> resource. Incidentally, if this approach does have any merit, is 
>> "about" the right relationship between the two resources?
>>
>> The second approach has the advantage of being straightforward, but I 
>> wonder whether search engines might not deprecate in some way pages 
>> that claim a URL other than their own?
>>
>>
>> Any comments welcome, thanks.
>>
>> Phil
>> -- 
>> <http://www.icbl.hw.ac.uk/~philb/>
>>
>> ------------------------------------------------------------------------
>>
>> *Heriot-Watt University is the Sunday Times Scottish University of 
>> the Year 2011-2012.*
>>
>> We invite research leaders and ambitious early career researchers to 
>> join us in leading and driving research in key inter-disciplinary 
>> themes. Please see
>>
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>


-- 
<http://www.icbl.hw.ac.uk/~philb/>
Please note new email address: phil.barker@hw.ac.uk



-- 
Heriot-Watt University is the Sunday Times
Scottish University of the Year 2011-2012

We invite research leaders and ambitious early career
researchers to join us in leading and driving research
in key inter-disciplinary themes. Please see 

http://www.hw.ac.uk/researchleaders

for further information and how to apply.

Heriot-Watt University is a Scottish charity
registered under charity number SC000278.
Received on Monday, 16 April 2012 14:02:29 GMT

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