public static double CosineSimilarity2(this string source, string target)
{
TokeniserUtilities <string> _tokenUtilities = new TokeniserUtilities <string>();
if (source != null && target != null && _tokenUtilities.CreateMergedSet(_tokeniser.Tokenize(source), _tokeniser.Tokenize(target)).Count > 0)
{
return(_tokenUtilities.CommonSetTerms() / (Math.Pow(_tokenUtilities.FirstSetTokenCount, 0.5) * Math.Pow(_tokenUtilities.SecondSetTokenCount, 0.5)));
}
return(0.0);
}
public static double OverlapCoefficientSimilarity(this string firstWord, string secondWord)
{
TokeniserUtilities <string> _tokenUtilities = new TokeniserUtilities <string>();
if (firstWord != null && secondWord != null)
{
_tokenUtilities.CreateMergedSet(_tokeniser.Tokenize(firstWord), _tokeniser.Tokenize(secondWord));
return(_tokenUtilities.CommonSetTerms() / (double)Math.Min(_tokenUtilities.FirstSetTokenCount, _tokenUtilities.SecondSetTokenCount));
}
return(DefaultMismatchScore);
}