private double wupMeasure(SynSet Sense1, SynSet Sense2)
{
string str1, str2;
if (Sense1 == Sense2)
{
return(1);
}
double similarity = 0;
SynSet LCS = Sense1.GetClosestMutuallyReachableSynset(Sense2, SynSetRelationTypes);
SynSet LCSAlternative = Sense2.GetClosestMutuallyReachableSynset(Sense1, SynSetRelationTypes);
if (LCS == null || LCSAlternative == null)
{
return(0);
}
else
{
str1 = string.Join(" ", Sense1.Synonyms) + " " + Sense1.Gloss;
str2 = string.Join(" ", Sense2.Synonyms) + " " + Sense2.Gloss;
str1 = str1.Replace("_", " ").Replace("-", " ");
str2 = str2.Replace("_", " ").Replace("-", " ");
double overlap = 10 * Math.Log(1 + Intersect(_tokenizer.Tokenize(str1), _tokenizer.Tokenize(str2)));
double LCS_Depth = LCS.GetShortestPathTo(RootVirtualNode, SynSetRelationTypes).Count + 1;
double LCS_DepthAlter = LCSAlternative.GetShortestPathTo(RootVirtualNode, SynSetRelationTypes).Count + 1;
if (LCS_Depth < LCS_DepthAlter)
{
LCS = LCSAlternative;
LCS_Depth = LCS_DepthAlter;
}
similarity = ((2 * LCS_Depth) + overlap) /
(
(Sense1.GetShortestPathTo(LCS, SynSetRelationTypes).Count - 1 + LCS_Depth) +
(Sense2.GetShortestPathTo(LCS, SynSetRelationTypes).Count - 1 + LCS_Depth) +
overlap
);
}
return(similarity);
}
public double Measure(SynSet synSet1, SynSet synSet2)
{
if (synSet1 == null)
{
throw new ArgumentNullException(nameof(synSet1));
}
if (synSet2 == null)
{
throw new ArgumentNullException(nameof(synSet2));
}
var tag = GenerateTag(synSet1, synSet2);
return(cache.GetOrCreate(
tag,
entry =>
{
SynSetRelation[] vlist = new SynSetRelation[1];
vlist[0] = SynSetRelation.Hypernym;
var common = synSet1.GetClosestMutuallyReachableSynset(synSet2, vlist);
double distance = 0;
if (common != null)
{
distance = resnik.GetIC(synSet1) + resnik.GetIC(synSet2) - 2 * resnik.GetIC(common);
}
if (distance == 0)
{
return 0;
}
if (distance < MinDistance)
{
distance = MinDistance;
}
return 1 / distance;
}));
}