Re: SPARQL results in RDF

2013-09-25 Thread Sven R. Kunze
On 09/25/2013 04:02 PM, Dave Reynolds wrote: On 25/09/13 14:57, Sven R. Kunze wrote: On 09/25/2013 03:53 PM, Dave Reynolds wrote: Hi Damian, On 25/09/13 14:16, Damian Steer wrote: On 25/09/13 12:03, Stuart Williams wrote: On 25/09/2013 11:26, Hugh Glaser wrote: You'll get me using

Re: SPARQL results in RDF

2013-09-25 Thread Sven R. Kunze
On 09/25/2013 04:31 PM, Andy Seaborne wrote: On 25/09/13 15:10, Sven R. Kunze wrote: On 09/25/2013 04:02 PM, Dave Reynolds wrote: On 25/09/13 14:57, Sven R. Kunze wrote: On 09/25/2013 03:53 PM, Dave Reynolds wrote: Hi Damian, On 25/09/13 14:16, Damian Steer wrote: On 25/09/13 12:03

Re: Representing NULL in RDF

2013-06-12 Thread Sven R . Kunze
, ‎12‎. ‎Juni‎ ‎2013 ‎22‎:‎06 An: Juan Sequeda Cc: Tim Berners-Lee; Steve Harris; Pat Hayes; Sven R. Kunze; public-lod Right, but you have used out of band information to know that everyone has an age. No automated process could know that. null in SQL only indicates the absence of information

Re: Representing NULL in RDF

2013-06-11 Thread Sven R . Kunze
with the blank node solution is the blank node itself and the missing way of pulling schema data out of it; unless you can use something like N3. Sven Von: Pat Hayes Gesendet: ‎Dienstag‎, ‎11‎. ‎Juni‎ ‎2013 ‎00‎:‎00 An: Sven R. Kunze On Jun 10, 2013, at 2:15 PM, Sven R. Kunze wrote

Re: RDF's challenge

2013-06-11 Thread Sven R . Kunze
You said TOOLs. That’s correct. I’d like a way to natively work with RDF graphs on Web browsers as I can do it with rdflib in Python or with Virtuoso and SPARQL on the server side. I do not wanna care about the serialization as I have the abstract model that gives me everything I need to work

Re: Representing NULL in RDF

2013-06-11 Thread Sven R. Kunze
, ‎11‎. ‎Juni‎ ‎2013 ‎00‎:‎00 An: Sven R. Kunze On Jun 10, 2013, at 2:15 PM, Sven R. Kunze wrote: 2) - value uknown (it should be there but the source doesn't know it) Actually that piece of information could be written down in a RDF Schema graph like this: It can be written far more

Re: Linked Stuff [was Re: RDF's challenge]

2013-06-11 Thread Sven R. Kunze
://www.linkedin.com/in/kidehen -- Sven R. Kunze Chemnitz University of Technology Department of Computer Science Distributed and Self-organizing Systems Group Straße der Nationen 62 D-09107 Chemnitz Germany E-Mail: sven.ku...@informatik.tu-chemnitz.de WWW: http://vsr.informatik.tu-chemnitz.de/people

Re: RDF's challenge

2013-06-11 Thread Sven R. Kunze
documentation. Btw. are there activities to integrate such an graph interface directly into the JS spec? Sven Hope that helps, Rob -- Sven R. Kunze Chemnitz University of Technology Department of Computer Science Distributed and Self-organizing Systems Group Straße der Nationen 62 D-09107

Re: Representing NULL in RDF

2013-06-10 Thread Sven R. Kunze
. Omitting a triple has therefore a different quality than telling the existence of the property of this very subject. So, there is more information (existence) than when omitting the whole triple. -- Sven R. Kunze Chemnitz University of Technology Department of Computer Science Distributed and Self

Re: Representing NULL in RDF

2013-06-10 Thread Sven R. Kunze
office Pensacola(850)202 4440 fax FL 32502 (850)291 0667 mobile phayesAT-SIGNihmc.us http://www.ihmc.us/users/phayes -- Sven R. Kunze Chemnitz University of Technology Department of Computer Science Distributed and Self

Re: Representing NULL in RDF

2013-06-07 Thread Sven R. Kunze
Hi Jan, some ideas I would like to elaborate to you: I was doing some comparison of relational databases and Linked Data and ran into the problem of representing an equivalent of database NULL in RDF. Interesting starting point as relational databases actually do not support your usage