private GraphNet LoadPredicateGraph()
{
var gn = new PredicateNet("p:", new Uri("http://test.com/places/"), (uri, graph) => {
graph.Add("p:name", "http://www.w3.org/2000/01/rdf-schema#domain", "p:Place");
graph.Add("p:code", "http://www.w3.org/2000/01/rdf-schema#domain", "p:Place");
graph.Add("p:flag", "http://www.w3.org/2000/01/rdf-schema#domain", "p:Country");
graph.Add("p:nationalAnthem", "http://www.w3.org/2000/01/rdf-schema#domain", "p:Country");
graph.Add("p:capitalCity", "http://www.w3.org/2000/01/rdf-schema#domain", "p:Country");
graph.Add("p:mayor", "http://www.w3.org/2000/01/rdf-schema#domain", "p:City");
graph.Add("p:Country", "http://www.w3.org/2000/01/rdf-schema#subClassof", "p:Place");
graph.Add("p:City", "http://www.w3.org/2000/01/rdf-schema#subClassof", "p:Place");
graph.Add("p:Town", "http://www.w3.org/2000/01/rdf-schema#subClassof", "p:Place");
});
gn.TrainFromQueries(
"select * where { ?s a p:City . ?s p:mayor ?mayor }",
"select * where { ?s a p:City . ?s p:code ?code }",
"select * where { ?s a p:Country . ?s p:flag ?flag }",
"select * where { ?s a p:Country . ?s p:nationalAnthem ?nationalAnthem }",
"select distinct * where { ?s a p:Country . ?s p:name ?name }",
"select distinct * where { ?s p:name ?name }",
"select * where { ?s a p:Place . ?s p:code ?code }"
);
gn.Add("london", "a", "p:City");
gn.Add("france", "a", "p:Country");
gn.Add("farnham", "a", "p:Town");
return(gn);
}
public void TestVocab()
{
//TODO: this is a bit nasty think about it (perhaps the method return nodes and then the graph does the adding??)
var gn = new PredicateNet("p:", new Uri("http://test.com/places/"), (uri, graph) => {
var net = graph as PredicateNet;
graph.Add("p:name", "http://www.w3.org/2000/01/rdf-schema#domain", "p:Place");
graph.Add("p:code", "http://www.w3.org/2000/01/rdf-schema#domain", "p:Place");
graph.Add("p:flag", "http://www.w3.org/2000/01/rdf-schema#domain", "p:Country");
graph.Add("p:mayor", "http://www.w3.org/2000/01/rdf-schema#domain", "p:City");
graph.Add("p:Country", "http://www.w3.org/2000/01/rdf-schema#subClassof", "p:Place");
graph.Add("p:City", "http://www.w3.org/2000/01/rdf-schema#subClassof", "p:Place");
net.Add(net.GetPrefixNamespaceNode(), net.Node("has"), graph.Node("p:name"));
net.Add(net.GetPrefixNamespaceNode(), net.Node("has"), graph.Node("p:code"));
net.Add(net.GetPrefixNamespaceNode(), net.Node("has"), graph.Node("p:flag"));
net.Add(net.GetPrefixNamespaceNode(), net.Node("has"), graph.Node("p:mayor"));
});
gn.MaxNumberOfPaths = 5;
//gn.MaxPathLenght = 10;
gn.TrainFromQueries(
"select * where { ?s a p:City . ?s p:mayor ?mayor }",
"select * where { ?x a p:City . ?x p:mayor 'ted' }",
//TODO: this should not throw the prediction off "select * where { ?s a p:City . ?s p:name ?name }",
"select * where { ?s a p:Country . ?s p:flag ?flag }",
"select * where { ?x a p:Country . ?x p:flag 'xxx' }"
);
//var cityQuery = new Node("select *");
var city = new UriNode("?x");
city.UseEdgesAsInterface = false;
//cityQuery.AddEdge("next", city, gn);
city.AddEdge(new UriNode("a"), new UriNode("http://test.com/places/City"));
Assert.AreEqual("mayor", gn.Predict(city));
//var countryQuery = new Node("select *");
var country = new UriNode("?x");
country.UseEdgesAsInterface = false;
//countryQuery.AddEdge("next", country, gn);
country.AddEdge(new UriNode("a"), new UriNode("http://test.com/places/Country"));
Assert.AreEqual("flag", gn.Predict(country));
}
