Question

Which of the following properties were introduced by the RDF Schema vocabulary (rdfs:)?

		foaf:name
		rdfs:object
		rdfs:subClassOf
		rdfs:type

What kind of knowledge can be expressed with RDF Schema?

		Class disjointness.
		Class hierarchies.
		Property disjointness.
		Property description.

SPARQL is based on graph pattern matching. These SPARQL graph patterns are based on ...

		RDF N-triple serialization.
		RDF Turtle serialization.
		RDFS/XML serialization.
		RDF/XML serialization.

Consider a graph containing the following triples and  select the correct query to get all the writers of the film "Michael and Mary"!

Q11.txt 

		SELECT * WHERE {?film dbo:writer ?writer}
		SELECT ?writer    WHERE {?writer  a dbo:Person . dbr:Michael_and_Mary a dbo:Film . }
		SELECT ?writer    WHERE {?writer  dbo:write dbr:Michael_and_Mary . }
		SELECT ?writer    WHERE {dbr:Michael_and_Mary dbo:writer ?writer  . }

What is the result type of an SPARQL ASK query?

		A literal.
		A Boolean.
		An RDF triple.
		A description of a resource.

Answer 1

Answer 1
**********
rdfs:subClassOf

Answer 2
**********
Property description.

Answer 3
*********
RDF N-triple serialization.

Answer 4
*********
SELECT ?writer

WHERE {?writer dbo:write dbr:Michael_and_Mary . }

Answer 5
**********
An RDF triple.

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