• https://stackoverflow.com/questions/18458150/how-to-query-classes-with-object-property-in-sparql
• http://ncorwiki.buffalo.edu/index.php/Introduction_to_Prot%C3%A9g%C3%A9

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
prefix omn: <http://open-multinet.info/ontology/omn#>
prefix omn-resource: <http://open-multinet.info/ontology/omn-resource#>
prefix omn-domain-nfv: <http://open-multinet.info/ontology/omn-domain-nfv#>
prefix omn-lifecycle: <http://open-multinet.info/ontology/omn-lifecycle#> 
prefix time:  <http://www.w3.org/2006/time#>
prefix isco:  <http://www.gt-arc.com/isco/ontologies/2017/10/sample-lifecycle-offering-1#>

SELECT ?subject ?object
	WHERE { ?subject rdf:SubClass omn-domain-nfv:Parameter }

SELECT ?subject ?object
	WHERE { ?subject rdfs:subClassOf ?object }

  ?s rdf:type omn:Service .

SELECT  ?s 
WHERE { 
	?s rdfs:subClassOf* omn:Service . 
}

?s rdfs:subClassOf* omn:Service .

SELECT ?subject ?object
	WHERE { ?subject a omn-lifecycle:State }

SELECT  ?domain ?range 
WHERE { 
  	omn-resource:hasInterface rdfs:domain ?domain ;
        	rdfs:range ?range .
}

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
prefix omn: <http://open-multinet.info/ontology/omn#>
prefix omn-resource: <http://open-multinet.info/ontology/omn-resource#>
prefix omn-domain-nfv: <http://open-multinet.info/ontology/omn-domain-nfv#>
prefix omn-lifecycle: <http://open-multinet.info/ontology/omn-lifecycle#> 
prefix time:  <http://www.w3.org/2006/time#>
prefix isco:  <http://www.gt-arc.com/isco/ontologies/2017/10/isco-sample-1#>

SELECT ?subject ?object
	WHERE { ?subject omn:hasReservation isco:life3}

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
SELECT ?subject ?object
	WHERE { 
		?subject ?p ?o .
		filter( str(?o) = "60" ) 
	}

PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
PREFIX owl: <http://www.w3.org/2002/07/owl#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
PREFIX xsd: <http://www.w3.org/2001/XMLSchema#>
prefix omn: <http://open-multinet.info/ontology/omn#>
prefix omn-resource: <http://open-multinet.info/ontology/omn-resource#>
prefix omn-domain-nfv: <http://open-multinet.info/ontology/omn-domain-nfv#>
prefix omn-lifecycle: <http://open-multinet.info/ontology/omn-lifecycle#> 
prefix time:  <http://www.w3.org/2006/time#>
prefix policy:  <http://www.gt-arc-com/network/management/ontologies/2017/9/policy-information-base#>

SELECT ?s ?p ?o ?classLabel
	WHERE { 
		
		?s rdfs:subClassOf* policy:QosClass .
		?s ?p ?o .
		?s rdfs:label ?classLabel .
		FILTER regex(?classLabel, "Class0", "i")	

SELECT ?g ?s ?p ?o ?about
	
WHERE { 
		?s rdfs:range omn:Resource .
		 ?s ?p ?o .
		FILTER regex(str(?p), "type", "i")
}

• https://www.w3.org/TR/sparql11-query/#func-strings

  PREFIX foaf: <http://xmlns.com/foaf/0.1/>
  SELECT ?name
  WHERE { ?x foaf:name  ?name
       FILTER regex(?name, "^ali", "i") }

• SPARQL view (not tab) must be close/reopen when new ontology file is loaded. It looks like data from previous ontology is still loaded. Also check “Files –> Loaded ontology sources”