Hi Aleksander, On 3/19/14, 7:21 PM, apoh...@o2.pl wrote: > Dear DBpedia creators, > > I am wondering about two issues connected with the properties extracted > from the infoboxes and mapped to DBpedia ontology predicates. > The first one is the absence in some of the predicates' definitions > domains and ranges - e.g. [1], [2]. I think this is mainly due to the crowdsourcing nature of the ontology. Contributors may neglect domain/range constraints while adding a new ontology item. > Shall I assume that I should consult > schema.org (which doesn't have the full definitions BTW) in order to > check the requirements? Only if there is an equivalence statement between DBpedia and schema.org AND schema.org defines domain/range constraints. > The second observation is connected with the fact, that many of the > extracted properties are not compatible with the constraints. E.g. [3] > Mens (band) has a hometown property [4], which according to its > definition [5] has a domain restricted to People. > > Are there any ongoing efforts to fix these issues? How could I help with > them (e.g. by providing the appropriate domain/range definitions)? I think @Heiko can give you more details, cf. his paper [1].
Cheers! [1] http://www.heikopaulheim.com/documents/iswc2013.pdf > > Kind regards, > Aleksander Pohl > > > > [1] http://dbpedia.org/ontology/genre > [2] http://dbpedia.org/ontology/director > [3] http://en.wikipedia.org/wiki/Manes_%28band%29 > [4] http://dbpedia.org/page/Manes_%28band%29 > [5] http://dbpedia.org/ontology/hometown > > > ------------------------------------------------------------------------------ > Learn Graph Databases - Download FREE O'Reilly Book > "Graph Databases" is the definitive new guide to graph databases and their > applications. Written by three acclaimed leaders in the field, > this first edition is now available. Download your free book today! > http://p.sf.net/sfu/13534_NeoTech > > > > _______________________________________________ > Dbpedia-discussion mailing list > Dbpedia-discussion@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion > -- Marco Fossati http://about.me/marco.fossati Twitter: @hjfocs Skype: hell_j ------------------------------------------------------------------------------ Learn Graph Databases - Download FREE O'Reilly Book "Graph Databases" is the definitive new guide to graph databases and their applications. Written by three acclaimed leaders in the field, this first edition is now available. Download your free book today! http://p.sf.net/sfu/13534_NeoTech _______________________________________________ Dbpedia-discussion mailing list Dbpedia-discussion@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dbpedia-discussion
