// compares two semantic strings
// returns the score of the semantic match
public float Match(SemanticString other)
{
this.other = other;
this.tokenMatchPoints = new float[this.NumTokens(), other.NumTokens()];
string one;
string two;
float assocStrength;
for (int i=0; i < this.NumTokens(); i++)
{
one = this.GetToken(i).ToLower();
for (int j = 0; j < other.NumTokens(); j++)
{
two = other.GetToken(j).ToLower();
// tokens are identical
if (one.CompareTo(two) == 0)
{
this.tokenMatchPoints[i, j] = this.SAME;
}
// tokens are associated
else if ((assocStrength = RecognizeAssociation(one, two)) > 0f)
{
this.tokenMatchPoints[i, j] = this.SAME * assocStrength;
}
// one token includes the other. points awarded are based on the percentage of the larger string that is matched
else if (one.Length > 1 && one.Length < two.Length && one.CompareTo(two.Substring(0, one.Length)) == 0)
{
this.tokenMatchPoints[i, j] = ((float)one.Length / (float)two.Length) * this.SAME;
}
else if (two.Length > 1 && two.Length < one.Length && two.CompareTo(one.Substring(0, two.Length)) == 0)
{
this.tokenMatchPoints[i, j] = ((float)two.Length / (float)one.Length) * this.SAME;
}
}
}
return GetMatchScore();
}
void exerciseSemanticStrings()
{
SemanticString text = new SemanticString();
text.Tokenize("double delim");
text.DumpTokens();
text.Tokenize("single");
text.DumpTokens();
text.Tokenize("then the(fox)jumped-over.the_fence");
text.DumpTokens();
SemanticString text2 = new SemanticString();
text2.Tokenize("the fox is foxy");
Console.WriteLine("match score:");
Console.WriteLine(text.GetText());
Console.WriteLine(text2.GetText());
float matchScore = text.Match(text2);
Console.WriteLine(matchScore);
Console.WriteLine(text.ReplaceYearAndMaybeMonth("frank201409was here"));
Console.WriteLine(text.ReplaceYearAndMaybeMonth("201409was here"));
Console.WriteLine(text.ReplaceYearAndMaybeMonth("frank201409"));
Console.WriteLine(text.ReplaceYearAndMaybeMonth("frank2014-09"));
Console.WriteLine(text.ReplaceYearAndMaybeMonth("201409"));
Console.WriteLine(text.ReplaceYearAndMaybeMonth("frank2014_09was here"));
text.Tokenize("SHCN Provider File");
text2.Tokenize("Providers SHCN_Group__c");
Console.WriteLine("match score:");
Console.WriteLine(text.GetText());
Console.WriteLine(text2.GetText());
matchScore = text.Match(text2);
Console.WriteLine(matchScore);
}