public static void Main()
{
// Create the instance data
MemoryStore dataModel = new MemoryStore();
BNode me = new BNode("me");
BNode you = new BNode("you");
Entity rdfType = "http://www.w3.org/1999/02/22-rdf-syntax-ns#type";
Entity rdfsLabel= "http://www.w3.org/2000/01/rdf-schema#label";
Entity foafPerson = "http://xmlns.com/foaf/0.1/Person";
Entity foafAgent = "http://xmlns.com/foaf/0.1/Agent";
Entity foafName = "http://xmlns.com/foaf/0.1/name";
dataModel.Add(new Statement(me, rdfType, foafPerson));
dataModel.Add(new Statement(you, rdfType, foafPerson));
dataModel.Add(new Statement(me, foafName, (Literal)"John Doe"));
dataModel.Add(new Statement(you, foafName, (Literal)"Sam Smith"));
// Create the RDFS engine and apply it to the data model.
RDFS engine = new RDFS();
engine.LoadSchema(RdfReader.LoadFromUri(new Uri("http://xmlns.com/foaf/0.1/index.rdf")));
dataModel.AddReasoner(engine);
// Query the data model
// Ask for who are typed as Agents. Note that the people are
// typed as foaf:Person, and the schema asserts that foaf:Person
// is a subclass of foaf:Agent.
Console.WriteLine("Who are Agents?");
foreach (Entity r in dataModel.SelectSubjects(rdfType, foafAgent))
Console.WriteLine("\t" + r);
// Ask for the rdfs:labels of everyone. Note that the data model
// has foaf:names for the people, and the schema asserts that
// foaf:name is a subproperty of rdfs:label.
Console.WriteLine("People's labels:");
foreach (Statement s in dataModel.Select(new Statement(null, rdfsLabel, null)))
Console.WriteLine("\t" + s);
}
public void AddNewRDFData(string rdfData, bool removeExistingDataForSubjects)
{
MemoryStore store = new MemoryStore();
RdfXmlReader reader = new RdfXmlReader(new System.IO.StringReader(rdfData));
store.Import(reader);
// its possible that we want to update info about some existing concept
// if removeExistingDataForSubjects is true we first remove existing information before we start adding statements
if (removeExistingDataForSubjects)
{
foreach (Entity subject in store.SelectSubjects(null, null))
_conceptsStore.Remove(new Statement(subject, null, null));
}
foreach (Statement s in store.Select(new Statement(null, null, null)))
AddNewStatement(s);
foreach (Entity subject in store.SelectSubjects(null, null))
UpdateSuggestionsForUri(subject.Uri);
}
private void ReadGazetteerSettings(MemoryStore rdfStore, out CaseMatchingType caseMatchingType, out bool lemmatize, out bool enabled)
{
caseMatchingType = CaseMatchingType.IgnoreCase;
lemmatize = false;
enabled = true;
ArrayList<string> crumbs = new ArrayList<string>(new string[] { mUri });
Entity[] objects = rdfStore.SelectSubjects(P_IDENTIFIED_BY, new Entity(mUri));
if (objects.Length > 0)
{
Resource[] objTypes = rdfStore.SelectObjects(objects[0].Uri, P_TYPE);
if (objTypes.Length > 0)
{
crumbs.Add(objTypes[0].Uri);
Resource[] superClass = rdfStore.SelectObjects((Entity)objTypes[0], P_SUBCLASS_OF);
while (superClass.Length > 0)
{
crumbs.Add(superClass[0].Uri);
superClass = rdfStore.SelectObjects((Entity)superClass[0], P_SUBCLASS_OF);
}
}
}
crumbs.Reverse();
foreach (string uri in crumbs)
{
Resource[] settings = rdfStore.SelectObjects(uri, P_SETTINGS);
if (settings.Length == 0) { settings = rdfStore.SelectObjects(uri, P_COMMENT); } // for compatibility with OWL-DL
if (settings.Length > 0)
{
string settingsStr = ((Literal)settings[0]).Value;
ParseGazetteerSettings(settingsStr, ref caseMatchingType, ref lemmatize, ref enabled);
}
}
}
public void ReadConditions(MemoryStore rdfStore, Dictionary<string, Gazetteer> gazetteers)
{
ArrayList<string> crumbs = new ArrayList<string>(new string[] { mUri });
Entity[] objects = rdfStore.SelectSubjects(P_IDENTIFIED_BY, new Entity(mUri));
if (objects.Length > 0)
{
Resource[] objTypes = rdfStore.SelectObjects(objects[0].Uri, P_TYPE);
if (objTypes.Length > 0)
{
crumbs.Add(objTypes[0].Uri);
Resource[] superClass = rdfStore.SelectObjects((Entity)objTypes[0], P_SUBCLASS_OF);
while (superClass.Length > 0)
{
crumbs.Add(superClass[0].Uri);
superClass = rdfStore.SelectObjects((Entity)superClass[0], P_SUBCLASS_OF);
}
}
}
crumbs.Reverse();
foreach (string uri in crumbs)
{
Resource[] conditionGazetteers = rdfStore.SelectObjects(uri, P_HAS_SENTENCE_LEVEL_CONDITION);
foreach (Entity conditionGazetteer in conditionGazetteers)
{
mConditions.Add(new Condition(gazetteers[conditionGazetteer.Uri], Condition.Level.Sentence));
}
conditionGazetteers = rdfStore.SelectObjects(uri, P_HAS_BLOCK_LEVEL_CONDITION);
foreach (Entity conditionGazetteer in conditionGazetteers)
{
mConditions.Add(new Condition(gazetteers[conditionGazetteer.Uri], Condition.Level.Block));
}
conditionGazetteers = rdfStore.SelectObjects(uri, P_HAS_DOCUMENT_LEVEL_CONDITION);
foreach (Entity conditionGazetteer in conditionGazetteers)
{
mConditions.Add(new Condition(gazetteers[conditionGazetteer.Uri], Condition.Level.Document));
}
}
}
