Overloading SPARQL operators for User defined non-XSD data types

2017-03-13 Thread Nikolaos Beredimas
In reference to the Rational datatype example in 'User defined non-XSD data types' at the bottom of the page at ' https://jena.apache.org/documentation/notes/typed-literals.html' Is it possible, and if so how to do it, to define/override suitable methods (which methods?) in the class definition

RE: Complex SPARQL Query

2017-03-13 Thread Ullah, Izhar
Dear Lorenz, Apologies for the belated reply, for I was travelling, arrived today. Let me post the whole question again below: I have a question related to SPARQL query which is a bit complex one. I would appreciate if someone could help me out. I have 15 Sensing Nodes with their

Re: Performance regression between Jena 3.1.0 and 3.2.0

2017-03-13 Thread Andy Seaborne
On 09/03/17 14:48, Osma Suominen wrote: Hi, I wanted to report a performance regression I found. This is probably something that happened to the query optimizer in the Jena 3.1.1 development. It may be rather benign, but the result was a severe performance regression in my application. It