- From: Adrian Giurca <giurca@tu-cottbus.de>
- Date: Mon, 16 Apr 2012 16:09:23 +0200
- To: phil.barker@hw.ac.uk
- CC: "public-vocabs@w3.org" <public-vocabs@w3.org>, lrmi@googlegroups.com
- Message-ID: <4F8C2813.9040602@tu-cottbus.de>
Hello, On 4/16/2012 4:03 PM, Phil Barker wrote: > [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? I would say the @url is for the Thing is described. Would you describe some page then is the url of the page. But inside a page you may describe other items too (many itemscope annotations). Then @url occurrence in that context(item scope) is an URL of that item. Hope it helps, Adrian Giurca > > 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 >>> >>> 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. >> > > > -- > <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 14:10:06 UTC