- From: Michael Hausenblas <michael.hausenblas@deri.org>
- Date: Sat, 30 Oct 2010 16:12:35 +0100
- To: Juriy Katkov <katkov.juriy@gmail.com>
- CC: Semantic Web community <semantic-web@w3.org>
Juriy, Two good and valid questions. Both not yet really answered (and answerable) in a finite fashion. Many people are thinking about it and it is subject to many project proposals etc. Looking at [1] gives you an impression what I'm talking about; I also briefly address it in [2]. Cheers, Michael [1] http://esw.w3.org/VocabularyMarket [2] http://linkeddata.deri.ie/tr/2009-ld2webapp -- Dr. Michael Hausenblas LiDRC - Linked Data Research Centre DERI - Digital Enterprise Research Institute NUIG - National University of Ireland, Galway Ireland, Europe Tel. +353 91 495730 http://linkeddata.deri.ie/ http://sw-app.org/about.html > From: Juriy Katkov <katkov.juriy@gmail.com> > Date: Sat, 30 Oct 2010 18:40:08 +0400 > To: Semantic Web community <semantic-web@w3.org> > Subject: How to find a proper ontology for my classes and properties? > Resent-From: Semantic Web community <semantic-web@w3.org> > Resent-Date: Sat, 30 Oct 2010 14:41:05 +0000 > > Hello everyone! > I have 2 questions about rdf data. > > 1. Suppose I started describing something in triples and I want to use a > property 'hasOwner'. I understand that it's much better to use this property > from one of the existing ontologies rather than use property from my own > namespace. > The question is: what is the easyest and the most right way to search for > this property? I know, there is Swoogle and sometimes it helps me with that. > I wonder if there is something better that fulltext search. > > 2. Suppose I face the dataset I never use before. What do you usually do > first to get a first impression about the dataset? At the moment I first > make some SPARQL queries to this dataset, such as: > select COUNT(?x) WHERE > { > ?x a ?z . > } > > than I use Marbles or Sig.ma to surf randomly over this data and finally I > come up with a opinion where I need data from the dataset or not. > Again, what do you usually do? Is there a tools or useful queries that can > help Semantic Web user in browsing data and getting useful info about > datasets? > > Thank you in advance! > > Yury Katkov
Received on Saturday, 30 October 2010 15:13:11 UTC