//private static readonly KeywordExampleComparer Cmp = new KeywordExampleComparer();
public KeywordGroup(string keyword)
{
SelectedKeywords = new KeywordExample();
SelectedKeywords.AddKeyword(keyword);
ContainedKeywords = new Dictionary <string, int>();
ContainedMembers = new List <ClaimableKeywordExample>();
}
public double CalculateSimilarityScore(KeywordExample example)
{
if (example.Count == 0)
{
return(0);
}
return(SelectedKeywords.CountSimilar(example) / (double)example.Count);
}
public KeywordExample Copy()
{
KeywordExample ret = new KeywordExample();
foreach (string keyword in this)
{
ret.AddKeyword(keyword);
}
return(ret);
}
/**<summary>Calculates the similarity for the provided example to every one of the groups contained in this clusterer and returns the top n.</summary>*/
public List <int> PredictTopNSimilarGroups(KeywordExample exampleIn, int n)
{
List <int> similarityScores = PredictGroupSimilarity(exampleIn);
if (similarityScores.Count < n)
{
for (int i = similarityScores.Count; i < n; i++)
{
similarityScores.Add(0);
}
}
return(similarityScores.GetRange(0, n));
}
public int CountSimilar(KeywordExample other)
{
int ret = 0;
foreach (string x in other.ModifiableKeywords)
{
if (ModifiableKeywords.Contains(x))
{
ret++;
}
}
return(ret);
}
/**<summary>Calculates the similarity for the provided example to every one of the groups contained in this clusterer.</summary>*/
public List <int> PredictGroupSimilarity(KeywordExample exampleIn)
{
SortedDictionary <double, List <int> > similarityScores = new SortedDictionary <double, List <int> >();
for (int i = 0; i < ContainedGroups.Count; i++)
{
double similarityScore = ContainedGroups[i].CalculateSimilarityScore(exampleIn);
if (similarityScore != 0)
{
if (!similarityScores.ContainsKey(similarityScore))
{
similarityScores.Add(similarityScore, new List <int> {
i + 1
});
}
else
{
similarityScores[similarityScore].Add(i + 1);
}
}
}
if (similarityScores.Count == 0)
{
similarityScores.Add(0, new List <int> {
0
});
}
List <int> sortedGroups = new List <int>();
foreach (KeyValuePair <double, List <int> > simScore in similarityScores)
{
foreach (int group in simScore.Value)
{
sortedGroups.Add(group);
}
}
return(sortedGroups);
}
