Hi Andy, Thanks a lot, this are exactly the pointers I had whished for!
I will give this a try. Thank you for your quick and helpful answer, Jakob _______________________________________________________________ Dr. Jakob Beetz - Assistant Professor Information Systems in the Built Environment (ISBE) Group Department of the Built Environment | Bouwkunde Eindhoven University of Technology, The Netherlands phone: +31 (0)40 247 2288 on-campus location: VRT 9.J06 > -----Original Message----- > From: Andy Seaborne [mailto:[email protected]] > Sent: zaterdag 4 maart 2017 20:00 > To: [email protected] > Subject: Re: Fuseki / ARQ DESCRIBE query to include ?s ?p <incoming resource> > > Minor clarification: > > Fuseki's default behaviour is the calculate the blank node closure based > on the "subject (<incoming resource> ?p ?o)". > > > There's a registry DescribeHandlerRegistry and a context key for setting > it (ARQConstants.registryDescribeHandlers). > > The registry keeps a list of DescribeHandlerFactory and calls each one > on the list. > > Adding to that list or setting per query is doable but it's Java - in > Fuseki from just configuring, it's not doable. > > Adding a context setting to set the DescribeHandle policy by name would > achieve that. > > Andy > > e.g. > https://gist.github.com/shellac/1313924 > > On 03/03/17 10:13, Beetz, J. wrote: > > Dear community, > > > > I have set up a Pubby http://wifo5-03.informatik.uni-mannheim.de/pubby/ > frontend to allow dereferencing/content-negotiation/browser-navigation of a > vocabulary served by Fuseki 2.4.1 . > > As per the SPARQL standard, the default behavior of DESCRIBE queries that > > are > sent by the frontend to Fuseki is left to the implementation. Fusekis default > behavior is to send back the graph containing all triples where <incoming > resource> is the subject (<incoming resource> ?p ?o). I would also like to > include (?s ?p <incoming resource> and probably (?s <incoming resource> ?o). > > > > From the list archive I have seen that I can probably implement my own > execDescribe() similar to this thread from some time ago: > > > http://jena.markmail.org/message/5thzze4xhqhak34g?q=describe+query+%3Fs+%3Fp+%3 > Fo&page=2#query:describe%20query%20%3Fs%20%3Fp%20%3Fo+page:2+mid:5thzze4xhqhak3 > 4g+state:results > > > > I wonder whether there is another (easier) way through a configuration > setting or similar which allows me to achieve this. > > > > Thank you very much in advance for your help > > > > Jakob > > > > _______________________________________________________________ > > Dr. Jakob Beetz - Assistant Professor > > Information Systems in the Built Environment (ISBE) Group > > Department of the Built Environment | Bouwkunde > > Eindhoven University of Technology, The Netherlands > > phone: +31 (0)40 247 2288 on-campus location: VRT 9.J06 > >
