RE: Complex SPARQL Query

2017-03-14 Thread Ullah, Izhar
Hi Lorenz, Yes, that's true but I can't retrieve all features along with their number of sensing nodes. So, when I run one sub-query separately I get the correct number of nodes in that feature. I slightly changed my ontology and then ran the following query against my ontology file: SELECT

Re: Overloading SPARQL operators for User defined non-XSD data types

2017-03-14 Thread Andy Seaborne
Nikolaos, It's possible but it requires codebase changes. Having plug-in datatype for SPARQL was always a plan but it hasn't happened. Adding oaal the functions and operators for XSD > https://jena.apache.org/documentation/notes/typed-literals.html That is adding it to the type system of

Re: OntoWiki with Jena

2017-03-14 Thread Lorenz B.
Shouldn't you ask this the OntoWiki developers? > > Hi, > > looks like OntoWiki supports MySQL and Virtuoso by default. Any change > getting it use Jena as db? > > Br, > Mikael > -- Lorenz Bühmann AKSW group, University of Leipzig Group: http://aksw.org - semantic web research center

OntoWiki with Jena

2017-03-14 Thread Mikael Pesonen
Hi, looks like OntoWiki supports MySQL and Virtuoso by default. Any change getting it use Jena as db? Br, Mikael -- Lingsoft - 30 years of Leading Language Management www.lingsoft.fi Speech Applications - Language Management - Translation - Reader's and Writer's Tools - Text Tools -

Re: Complex SPARQL Query

2017-03-14 Thread Lorenz B.
Just to clarify, each of the sub-SELECT queries returns the number of nodes for the features Hilltop, Riverbank and Swale, right? And if you run such a SELECT query separately, the number is correct? > Dear Lorenz, > > Apologies for the belated reply, for I was travelling, arrived today. > > Let