private decimal CalculateSimilarity()
{
if (!shinglesA.Any() || !shinglesB.Any())
{
return(0);
}
SimilarElements = shinglesA.Intersect(shinglesB); // Gets the Intersections of the two HashSets of shingles
AllElements = shinglesA.Union(shinglesB); // Gets the Union of the two HashSets of shingles
// Number og elements in the Intersection devided by number of elements in the Union
return((decimal)SimilarElements.Count() / (decimal)AllElements.Count());
}