def test_similarity(): rdf_space = Space('tests/example.n3') # Overriding _ut rdf_space._ut = np.array([[0,1,0,0],[1,0,0,0],[0,1,0,0],[1,1,1,1]], dtype=float).T # Overriding uri_index rdf_space.uri_index = {'http://0': 0, 'http://1': 1, 'http://2': 2, 'http://3': 3} assert_equal(rdf_space.similarity('http://0', 'http://0'), 1.0) assert_equal(rdf_space.similarity('http://0', 'http://1'), 0) assert_equal(rdf_space.similarity('http://0', 'http://2'), 1.0) assert_equal(rdf_space.similarity('http://0', 'http://3'), 0.5)
def test_similar(): rdf_space = Space('tests/example.n3') similar = rdf_space.similar('http://dbpedia.org/resource/Category:Futurama', 2) assert_equal(len(similar), 2) assert_equal(similar[0][0], 'http://dbpedia.org/resource/Category:Futurama') assert_equal(similar[0][1], 1.0) assert_equal(similar[1][0], 'http://dbpedia.org/resource/Category:New_York_City_in_fiction') assert_equal(similar[1][1], rdf_space.similarity('http://dbpedia.org/resource/Category:Futurama', 'http://dbpedia.org/resource/Category:New_York_City_in_fiction'))
import rdfspace from rdfspace.space import Space space = Space( 'influencedby.nt', ignored_predicates=['http://www.w3.org/1999/02/22-rdf-syntax-ns#type'], rank=50) print "Similarity betwen JavaScript and ECMAScript:" print space.similarity('http://dbpedia.org/resource/JavaScript', 'http://dbpedia.org/resource/ECMAScript') print "Similarity between Albert Camus and JavaScript:" print space.similarity('http://dbpedia.org/resource/Albert_Camus', 'http://dbpedia.org/resource/JavaScript')
import rdfspace from rdfspace.space import Space space = Space('influencedby.nt', ignored_predicates=['http://www.w3.org/1999/02/22-rdf-syntax-ns#type'], rank=50) print print "Similarity betwen JavaScript and ECMAScript:" print space.similarity('http://dbpedia.org/resource/JavaScript', 'http://dbpedia.org/resource/ECMAScript') print print "Eigenvector centrality of JavaScript:" print space.centrality('http://dbpedia.org/resource/JavaScript') print print "Similarity between Albert Camus and JavaScript:" print space.similarity('http://dbpedia.org/resource/Albert_Camus', 'http://dbpedia.org/resource/JavaScript') print print "Eigenvector centrality of Albert Camus" print space.centrality('http://dbpedia.org/resource/Albert_Camus') print print "Most similar entities to Albert Camus" for uri, similarity in space.similar("http://dbpedia.org/resource/Albert_Camus"): print uri, similarity