- From: Jens Lehmann <lehmann@informatik.uni-leipzig.de>
- Date: Mon, 17 Nov 2008 18:37:29 +0100
- To: John Goodwin <John.Goodwin@ordnancesurvey.co.uk>
- CC: Sean Bechhofer <sean.bechhofer@manchester.ac.uk>, Chris Bizer <chris@bizer.de>, public-lod@w3.org, Semantic Web <semantic-web@w3.org>, dbpedia-discussion@lists.sourceforge.net
Hello, John Goodwin wrote: > >> John's comment relates to (at least) the axioms on "publisher": >> >> The semantics of range mean that you have essentially asserted that >> the range of published is [Person and Company]. If you want the >> union, you'll have to explicitly use the unionOf constructor here. > > Thanks Sean, yup that's the one. There were a few other cases of that > elsewhere as well. That's indeed a bug, which we need to fix (should have come out as union instead). You made it kind of hard for me to understand your first post correctly. ;-) > This is also a good example of where (IMHO) the > domain was perhaps over specified. For example all sorts of things > could have publishers, and not the ones listed here. I worry that if > you reuse DBpedia "publisher" elsewhere you could get some undesired > inferences. In the future, there will be a user interface for specifying domains/ranges. (Georgi is working on it.) We hope that the quality of the schema will increase over time. Kind regards, Jens -- Dipl. Inf. Jens Lehmann Department of Computer Science, University of Leipzig Homepage: http://www.jens-lehmann.org GPG Key: http://jens-lehmann.org/jens_lehmann.asc
Received on Monday, 17 November 2008 17:38:07 UTC