I downloaded the freebase dump to find triples. I used zgrep to pull a sample of the profession relation (predicate) like this: zgrep -a '/ns/people.person.profession' -m 20 freebase-rdf-latest.gz a...

I would like to collect a large knowledge base of triples as: subject, object, predicate, so I downloaded the Freebase dump from the developers page, which contains triples in RDF format, and I want t...

According to SPARQL Property Paths, negation is expressed with the operator !, i.e., !(a|b|c|d) means any relations that do not fall into {a, b, c, d}. Based one this definition, I find the following ...