- From: Kingsley Idehen <kidehen@openlinksw.com>
- Date: Tue, 16 Nov 2010 11:20:19 -0500
- To: Paul Houle <ontology2@gmail.com>
- CC: Linked Data community <public-lod@w3.org>
- Message-ID: <4CE2AF43.5020503@openlinksw.com>
On 11/16/10 10:45 AM, Paul Houle wrote: > Ookaboo has recently grown to contain about 480,000 pictures of > 265,000 topics, we're adding 8,000 images a day so if you don't find > what you're looking for today, just wait a few months. People and > places are particularly well represented, but you'll also find > "miscelaneous" things like > > http://ookaboo.com/o/pictures/topic/12461285/Fingerpaint > > We've just done a major upgrade of our RDFa output at Ookaboo. For > one thing, we've clarified the relationship between a page > > http://ookaboo.com/o/pictures/topic/2021903/Central_Air_Force_Museum > > and the thing that a page describes > > http://ookaboo.com/o/pictures/topic/2021903/Central_Air_Force_Museum#it > > We can then say, > > <ookaboo:topic/2021903/Central_Air_Force_Museum> <sioc:topic> > <ookaboo:topic/2021903/Central_Air_Force_Museum#it> . > > Generally, we make SIOC assertion about web pages and other sorts of > assertions about #it topics. The primary FOAF assertion we're making > right now is<foaf:depitcts>, but we're planning to make as many FOAF > assertions as possible about #it topics, particularly about people. > The other class of page that is heavily marked up now is the > individual page. > > http://ookaboo.com/o/pictures/picture/2022007/Kamov_Ka25_Hormon > > Our strategy for dealing with multiple subject terminologies is to > what we call a reference set, which in this case is > > http://ookaboo.com/o/pictures/topic/2021903/Central_Air_Force_Museum#it > http://dbpedia.org/resource/Central_Air_Force_Museum > http://rdf.freebase.com/ns/m.0g_2bv > > If we want to assert foaf:depicts we assert foaf:depicts against all > of these. The idea is that not all clients are going to have the > inferencing capabilities that I wish they'd have, so I'm trying to > assert terms in the most "core" databases of the LOD cloud. > > In a case like this we may have YAGO, OpenCyc, UMBEL and other terms > available. Relationships like this are expressed as > > <:Whatever> <ontology2:aka> > <http://mpii.de/yago/resource/Central_Air_Force_Museum> . > > <ontology2:aka>, not dereferencable yet, means (roughly) that "some > people use term X to refer to substantially the same thing as term Y." > It's my own answer to the<owl:sameAs> problem and deliberately > leaves the exact semantics to the reader. (It's a lossy expression of > the data structures that I use for entity management) > > Any thoughts or suggestions about what I should be doing differently or better? > > Very nice! Using it for some finishing touches we're making re. PivotViewer and Linked Data integration :-) -- Regards, Kingsley Idehen President& CEO OpenLink Software Web: http://www.openlinksw.com Weblog: http://www.openlinksw.com/blog/~kidehen Twitter/Identi.ca: kidehen
Received on Tuesday, 16 November 2010 16:20:51 UTC