hugo-enrile-Assignment3.txt

## Assignment 3 - SPARQL queries
# Hugo Enrile Lacalle
# SPARQL Endpoint: http://dbpedia.org/snorql/

1. Get all the properties that can be applied to instances of the Politician class (<http://dbpedia.org/ontology/Politician>)

PREFIX ex: <http://dbpedia.org/ontology/>

SELECT DISTINCT ?p 
WHERE{
  ?x a ex:Politician. ?x ?p ?y
} 
LIMIT 100

2. Get all the properties, except rdf:type, that can be applied to instances of the Politician class

PREFIX ex: <http://dbpedia.org/ontology/>

SELECT DISTINCT ?p 
WHERE{
  ?x a ex:Politician. ?x ?p ?y
  FILTER (?p != rdf:type)
} 
LIMIT 100

3. Which different values exist for the properties, except for rdf:type, applicable to the instances of Politician?

PREFIX ex: <http://dbpedia.org/ontology/>

SELECT DISTINCT ?v
WHERE{
  ?x a ex:Politician. ?x ?p ?v 
  FILTER (?p != rdf:type)
} 
LIMIT 100

4. For each of these applicable properties, except for rdf:type, which different values do they take globally for all those instances?

PREFIX ex: <http://dbpedia.org/ontology/>

SELECT DISTINCT ?p ?v
WHERE{
  ?x a ex:Politician. ?x ?p ?v 
  FILTER (?p != rdf:type)
} 
LIMIT 100

5. For each of the properties, except rdf:type, that can be applied to instances of the Politician class, how many distinct values do they take in those instances?

PREFIX ex: <http://dbpedia.org/ontology/>

SELECT DISTINCT ?p COUNT(?v)
WHERE{
  ?x a ex:Politician. ?x ?p ?v 
  FILTER (?p != rdf:type)
} 
LIMIT 100