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Re: isDefinedBy and isDescribedBy, Tale of two missing predicates

From: Peter DeVries <pete.devries@gmail.com>
Date: Sun, 7 Nov 2010 18:51:06 -0600
Message-ID: <AANLkTikSsSvUFF8tOcKHhN6Zn+q7m99MRmRfrsAxaNtr@mail.gmail.com>
To: Kingsley Idehen <kidehen@openlinksw.com>
Cc: Egon Willighagen <egon.willighagen@gmail.com>, "public-lod@w3.org" <public-lod@w3.org>
I was wondering if an example might help me understand this better.

I have currently been linking between entities and the RDF that describes
them using foaf:topic and foaf:page

If I understand this correctly, I would continue to use foaf:topic to point
from the RDF page to the entities it describes, but use wdrs:describedBy to
link from the entity to the RDF that describe it.

For example, for this page

http://ocs.taxonconcept.org/ocs/f522444a-2dd9-400e-be59-47213ef38cb9.rdf

I should replace the entries of:

<foaf:page rdf:resource="
http://ocs.taxonconcept.org/ocs/f522444a-2dd9-400e-be59-47213ef38cb9.rdf"/>

with

<wdrs:describedBy rdf:resource="
http://ocs.taxonconcept.org/ocs/f522444a-2dd9-400e-be59-47213ef38cb9.rdf"/>

Also, is there a reason why there is not inverse predicate like
"wdrs:describes"?

Thanks!

- Pete

On Sun, Nov 7, 2010 at 9:50 AM, Kingsley Idehen <kidehen@openlinksw.com>wrote:

>  On 11/5/10 3:34 AM, Egon Willighagen wrote:
>
> Hi Kingsley,
>
> On Fri, Nov 5, 2010 at 1:58 AM, Kingsley Idehen <kidehen@openlinksw.com> <kidehen@openlinksw.com> wrote:
>
>  As a best practice, common use of these predicates would increase
> navigability, link density, and overall cohesiveness of the burgeoning Web
> of Linked Data. It would truly demonstrate practicing what we preach,
> dog-food style!
>
>  So you have some examples where these two specifications are used?
>
> Egon
>
>
>  Egon,
>
> Seen this mail kinda late, hence late response. Some examples:
>
> Links:
>
> 1. http://goo.gl/MG5iS -- shows a descriptor page, <link/>, and "Link"
> headers putting wdrs:describedBy to use
> 2.
> http://linkeddata.uriburner.com/describe/?url=http%3A%2F%2Fpurl.org%2Fgoodrelations%2Fv1&p=12002-- rdfs:isDefinedBy and its effects .
>
> --
>
> Regards,
>
> Kingsley Idehen	
> President & CEO
> OpenLink Software
> Web: http://www.openlinksw.com
> Weblog: http://www.openlinksw.com/blog/~kidehen
> Twitter/Identi.ca: kidehen
>
>
>
>
>
>


-- 
---------------------------------------------------------------
Pete DeVries
Department of Entomology
University of Wisconsin - Madison
445 Russell Laboratories
1630 Linden Drive
Madison, WI 53706
TaxonConcept Knowledge Base <http://www.taxonconcept.org/> / GeoSpecies
Knowledge Base <http://lod.geospecies.org/>
About the GeoSpecies Knowledge Base <http://about.geospecies.org/>
------------------------------------------------------------
Received on Monday, 8 November 2010 00:51:41 UTC

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