- From: Alasdair J G Gray <Alasdair.Gray@manchester.ac.uk>
- Date: Tue, 12 Mar 2013 13:47:36 +0000
- To: Bernard Vatant <bernard.vatant@mondeca.com>
- Cc: Linking Open Data <public-lod@w3.org>, semantic-web@w3.org
- Message-Id: <42E446F9-B22A-4B15-A4A3-3FB81FAEF9FD@manchester.ac.uk>
Hi Bernard, On 12 Mar 2013, at 13:40, Bernard Vatant <bernard.vatant@mondeca.com> wrote: > Hi Alasdair > > Some results from http://lov.okfn.org/dataset/lov/search/#s=dataset > > http://purl.org/dc/dcmitype/Dataset is quite generic, but does not have any attached properties. > http://purl.org/ctic/dcat#Dataset is a subclass of the above, is intended to represent datasets in a catalogue, and is not limited to RDF datasets > > ... many more I let you explore > I am aware of these as well as the proposal for schema.org/Dataset. However, as far as I'm aware, VoID is the only one with the notion of linksets where you describe the source and target for a set of links. Alasdair > Hope that helps > > Bernard > > > 2013/3/12 Alasdair J G Gray <Alasdair.Gray@manchester.ac.uk> > Hi All, > > We are making extensive use of the VoID vocabulary [1] in the Open PHACTS project [2] to describe our datasets. We are currently deciding how to model a recurring use case of needing to describe non-RDF datasets and manage linksets to them. > > In the VoID vocabulary, a dataset is defined to be [3] > A set of RDF triples that are published, maintained or aggregated by a single provider. > > Since all predicates are defined with a domain/range of void:Dataset, this would mean that it would be incorrect to use them for any dataset that is not a set of RDF triples. However, this usage is becoming common. > > Should we go ahead and use the predicates despite this inaccurate interpretation of the non-RDF dataset? > > Is there another vocabulary that allows for the modelling of linksets that does not restrict the dataset to a set of RDF triples? I am aware of DCAT [4] but do not see suitable linking predicates. > > Should we develop a set of super-properties that do not have the domain/range restrictions? > > Thanks, > > Alasdair > > [1] http://www.w3.org/TR/void/ > [2] http://www.openphacts.org/ > [3] http://vocab.deri.ie/void#Dataset > [4] http://www.w3.org/TR/vocab-dcat/ > > > Dr Alasdair J G Gray > Research Associate > Alasdair.Gray@manchester.ac..uk > +44 161 275 0145 > > http://www.cs.man.ac.uk/~graya/ > > Please consider the environment before printing this email. > > > > > > > -- > Bernard Vatant > Vocabularies & Data Engineering > Tel : + 33 (0)9 71 48 84 59 > Skype : bernard.vatant > Blog : the wheel and the hub > -------------------------------------------------------- > Mondeca > 3 cité Nollez 75018 Paris, France > www.mondeca.com > Follow us on Twitter : @mondecanews > ---------------------------------------------------------- > > Meet us at Documation in Paris, March 20-21 > > Dr Alasdair J G Gray Research Associate Alasdair.Gray@manchester.ac.uk +44 161 275 0145 http://www.cs.man.ac.uk/~graya/ Please consider the environment before printing this email.
Received on Tuesday, 12 March 2013 13:48:07 UTC