/// <summary>
/// Gets a list of key value pairs listing Similar Individuals and their Similarity scores
/// </summary>
/// <param name="number">Number of Similar Individuals</param>
/// <param name="individual">QName of a Individual to find Similar Individuals to</param>
/// <param name="callback">Callback to invoke when the operation completes</param>
/// <param name="state">State to pass to the callback</param>
public void Similarity(int number, String individual, PelletSimilarityServiceCallback callback, Object state)
{
this.SimilarityRaw(number, individual, (g, _) =>
{
List <KeyValuePair <INode, double> > similarities = new List <KeyValuePair <INode, double> >();
SparqlParameterizedString query = new SparqlParameterizedString();
query.Namespaces = g.NamespaceMap;
query.CommandText = "SELECT ?ind ?similarity WHERE { ?s cp:isSimilarTo ?ind ; cp:similarityValue ?similarity }";
Object results = g.ExecuteQuery(query);
if (results is SparqlResultSet)
{
foreach (SparqlResult r in (SparqlResultSet)results)
{
if (r["similarity"].NodeType == NodeType.Literal)
{
similarities.Add(new KeyValuePair <INode, double>(r["ind"], Convert.ToDouble(((ILiteralNode)r["similarity"]).Value)));
}
}
callback(similarities, state);
}
else
{
throw new RdfReasoningException("Unable to extract the Similarity Information from the Similarity Graph returned by Pellet Server");
}
}, null);
}
/// <summary>
/// Gets a list of key value pairs listing Similar Individuals and their Similarity scores
/// </summary>
/// <param name="number">Number of Similar Individuals</param>
/// <param name="individual">QName of a Individual to find Similar Individuals to</param>
/// <param name="callback">Callback to invoke when the operation completes</param>
/// <param name="state">State to pass to the callback</param>
public void Similarity(int number, String individual, PelletSimilarityServiceCallback callback, Object state)
{
this.SimilarityRaw(number, individual, (g, _) =>
{
List<KeyValuePair<INode, double>> similarities = new List<KeyValuePair<INode, double>>();
SparqlParameterizedString query = new SparqlParameterizedString();
query.Namespaces = g.NamespaceMap;
query.CommandText = "SELECT ?ind ?similarity WHERE { ?s cp:isSimilarTo ?ind ; cp:similarityValue ?similarity }";
Object results = g.ExecuteQuery(query);
if (results is SparqlResultSet)
{
foreach (SparqlResult r in (SparqlResultSet)results)
{
if (r["similarity"].NodeType == NodeType.Literal)
{
similarities.Add(new KeyValuePair<INode, double>(r["ind"], Convert.ToDouble(((ILiteralNode)r["similarity"]).Value)));
}
}
callback(similarities, state);
}
else
{
throw new RdfReasoningException("Unable to extract the Similarity Information from the Similarity Graph returned by Pellet Server");
}
}, null);
}
