public void TestSimpleQuery()
{
var gn = new QueryGraphNet("Test_Query", maxNumberOfPaths: 10, maxPathLenght: 20);
gn.LimitNumberOfPaths = true;
gn.PrefixLoader = (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");
var net = graph as PredicateNet;
net.Add(net.GetPrefixNamespaceNode(), net.Node("has"), graph.Node("p:name"));
net.Add(net.GetPrefixNamespaceNode(), net.Node("has"), graph.Node("p:code"));
};
//TODO: move this code into the QueryGraphNet as really it is core to how it works
gn.RegisterDynamic("parse", (node, graph) => {
gn.QueryText = node.ShortId.ToString().Replace("http://graph.network.com/ld/", "");
var lastWord = gn.LastWordAsNode();
if (lastWord != null && node.Edges.Count == 0)
{
node.AddEdge(graph.Node("current"), lastWord);
}
Node.BaseOnAdd(node, graph);
});
gn.DefaultInput = "parse";
gn.TrainFromQueries(
"PREFIX p: <http://test.com/places/> select * where { ?s a p:City . ?s p:name ?mayor }",
"PREFIX p: <http://test.com/places/> select * where { ?s a p:Country . ?s p:name ?flag }"
);
Assert.AreEqual("where", gn.Predict("PREFIX p: <http://test.com/places/> SELECT *"));
Assert.AreEqual("{", gn.Predict("PREFIX p: <http://test.com/places/> SELECT * WHERE"));
Assert.AreEqual("name", gn.Predict("PREFIX p: <http://test.com/places/> SELECT * WHERE {?s p:}"));
//TODO: Assert.AreEqual("p:name", gn.Predict("PREFIX p: <http://test.com/places/> SELECT * WHERE {?s }"));
}