public void TestMinHashSimilarity()
{
var bag = new List <string> {
"bob",
"alice",
"frank",
"tyler",
"sara"
};
var simRatio = MinHash.Similarity(bag.ToArray(), bag.ToArray());
Assert.AreEqual(1.0, simRatio);
var dict = Words.Dictionary(1000);
var bag2 = new List <string>();
for (int i = 0; i < 1000; i++)
{
bag2.Add(i.ToString());
}
simRatio = MinHash.Similarity(dict, bag2.ToArray());
Assert.AreEqual(0.0, simRatio);
var bag3 = Words.Dictionary(500);
simRatio = MinHash.Similarity(dict, bag3);
if (simRatio > 0.7 || simRatio < 0.5)
{
Assert.Fail(string.Format("Expected between 0.5 and 0.7, got {0}", simRatio));
}
}
// GET: api/Document/id/idTwo
public IHttpActionResult GetDocument(int id, int idTwo)
{
var docOne = documents.Find((d) => d.ID == id);
var docTwo = documents.Find((d) => d.ID == idTwo);
if (docOne == null || docTwo == null)
{
return(NotFound());
}
return(Ok(_minHashes.Similarity(docOne.MinHashes, docTwo.MinHashes)));
}
public void SimilarityTest()
{
MinHash minHash = new MinHash(10);
List <uint> firstInput = new List <uint>()
{
1, 2, 3
};
List <uint> secondInput = new List <uint>()
{
1, 2, 3
};
double result = minHash.Similarity(firstInput, secondInput);
double expected = 1.0;
Assert.AreEqual(expected, result);
}