Median m. Hilal

6 Questions 4 Answers 0 Followers

Questions related from Median m. Hilal

SPARQL Entailment possible effect on query answering?

Consider the following SPARQL patterns, which are almost identical, but the first is a single BGP, while the second is the join of two (group graph patterns each composed of) single BGPs. -1- { ?x...

28 June 2019 3,645 1 View

SPARQL aggregation query rewriting against virtual views. Any resources?

I am searching for any scientific literature about 'SPARQL aggregation query rewriting against virtual views'. To clarify the terms used: aggregation SPARQL query usually takes the form of SELECT...

10 January 2017 4,867 2 View

Swrlx:makeOWLThing is creating only one individual?

Using Protege and SWRL tab, I have the ontology mentioned hereinafter. It is composed of the Class Test and the class Shadow, where Test has three individuals t1, t2, t3. I was trying to define an...

25 June 2016 247 1 View

Protege is freezing without any responses?

I was using Protege 5 beta 17 platform independent, everything was okay, until I tried to open a very large ontology, then it froze and never responded. When I open Protege again, it gives the DOT...

02 March 2016 9,186 1 View

Any tips in saving whole inference closure on OWL ontology with reasoner?

Description I'm developing an OWL application that uses a reasoner. The classification takes too much time (more than 4 minutes) as I'm treating a relatively large ontology. I don't want to waste...

09 March 2015 6,433 2 View

What are OWL Properties domain and range inheritance semantics?

Actually, I'm getting lost with domain and range semantics when a subsummption exists, in addition to restriction inheritance between class taxonomy members. Please see the following cases. Let's...

03 March 2015 3,897 6 View