Re: data schema / vocabulary / ontology / repositories

Dieter, last year we organized two workshops, at ESWC and ISWC, addressing
issues around ontology repositories. the proceedings are at:

http://sunsite.informatik.rwth-aachen.de/Publications/CEUR-WS/Vol-596/
http://sunsite.informatik.rwth-aachen.de/Publications/CEUR-WS/Vol-687/

On Tue, Mar 15, 2011 at 11:39 AM, Kingsley Idehen <kidehen@openlinksw.com>wrote:

>  On 3/15/11 12:00 PM, Renaud Delbru wrote:
>
> Hi Keith,
>
> On 14/03/11 13:18, Keith Alexander wrote:
>
> On Mon, Mar 14, 2011 at 8:28 AM, Martin Hepp
> <martin.hepp@ebusiness-unibw.org> <martin.hepp@ebusiness-unibw.org>
> wrote:
>
> Hi Dieter:
>
> There are several ontology repositories available on-line, but to my
> knowledge they all suffer from two serious limitations:
>
> 1. They do not rate ontologies by quality/relevance/popularity, so you do
> not get any hint whether foaf:Organization or foo:Organization will be the
> best way to expose your data.
>
>
> Schemacache[1] used to order results by the number of documents
> Sindice found it it, but this wasn't terribly effective; what we want
> is  something more like "number of individual publishers using term X"
> rather than "number of individual documents using term X".
>
>
> The new Sindice search frontend provides a first solution towards this
> problematic. Sindice allows you to group search results per domain. See
> [1,2] as examples. It is not yet perfect, nor optimal, but this is a first
> try, and this might be useful for your scenario.
> We are currently focussing our effort in Sindice towards what we call
> dataset search. The dataset/domain grouping is a first step towards this big
> picture. We will add additional features in the future, like a more
> detailled summary of the datasets, e.g., its inter-relations with other
> datasets.
>
> [1] http://sindice.com/search?q=foaf%3Aperson&nq=&fq=&facet.field=domain
> [2] http://sindice.com/search?q=owl%3Asameas&nq=&fq=&facet.field=domain
>
>  All,
>
> No golden answer (I sure someone's already made this comment). All you can
> do is offer access to a data space that let's the user Find what they seek
> via disambiguation oriented filters.
>
> Examples:
>
> 1. http://uriburner.com/fct/facet.vsp?cmd=load&fsq_id=81 -- Pattern:
> Person that may or may not be associated with a Class or Property
> 2. http://uriburner.com/fct/facet.vsp?cmd=load&fsq_id=82 -- Pattern:
> Person associated with a Class (explicitly)
> 3. http://uriburner.com/fct/facet.vsp?cmd=load&fsq_id=83 -- Pattern:
> Person associated with a Transitive Property.
>
> In all cases above, when happy click on Entity1 or EntityN (too see and
> access descriptions of matching entities) depending on where you're at in
> your quest. Of course, you can switch "uriburner.com" for "
> lod.openlinksw.com" and do the same thing against an even larger data set
> etc..
>
>
> --
>
> Regards,
>
> Kingsley Idehen	
> President & CEO
> OpenLink Software
> Web: http://www.openlinksw.com
> Weblog: http://www.openlinksw.com/blog/~kidehen
> Twitter/Identi.ca: kidehen
>
>
>
>
>
>


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