====== SPARQL Tutorial ====== * 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 ====== Headline ======


PREFIX rdf: 
PREFIX owl: 
PREFIX rdfs: 
PREFIX xsd: 
prefix omn: 
prefix omn-resource: 
prefix omn-domain-nfv: 
prefix omn-lifecycle:  
prefix time:  
prefix isco:  

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

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

===== - Return Instances ===== ?s rdf:type omn:Service . ===== - Return subclasses, recursive subclasses ===== SELECT ?s WHERE { ?s rdfs:subClassOf* omn:Service . } ?s rdfs:subClassOf* omn:Service . ===== - etc ===== SELECT ?subject ?object WHERE { ?subject a omn-lifecycle:State } SELECT ?domain ?range WHERE { omn-resource:hasInterface rdfs:domain ?domain ; rdfs:range ?range . } ===== - isco example =====


PREFIX rdf: 
PREFIX owl: 
PREFIX rdfs: 
PREFIX xsd: 
prefix omn: 
prefix omn-resource: 
prefix omn-domain-nfv: 
prefix omn-lifecycle:  
prefix time:  
prefix isco:  

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

===== - find subject with value =====


PREFIX rdf: 
PREFIX owl: 
PREFIX rdfs: 
PREFIX xsd: 
SELECT ?subject ?object
	WHERE { 
		?subject ?p ?o .
		filter( str(?o) = "60" ) 
	}

===== - Search class by label (must be manually defined) =====


PREFIX rdf: 
PREFIX owl: 
PREFIX rdfs: 
PREFIX xsd: 
prefix omn: 
prefix omn-resource: 
prefix omn-domain-nfv: 
prefix omn-lifecycle:  
prefix time:  
prefix policy:  

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")
}

===== - Sparql function ===== ==== - Regex ==== * https://www.w3.org/TR/sparql11-query/#func-strings PREFIX foaf: SELECT ?name WHERE { ?x foaf:name ?name FILTER regex(?name, "^ali", "i") } ====== Protege Bug ====== * 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"