public double Distance(IDistancable t)
{
Session s = t as Session;
if (s == null)
{
throw new Exception("The Argument must be of the type 'Session' only");
}
double dis = 0;
if (s.User.Gender != User.Gender)
{
dis += 1;
}
if (s.CountryCode != CountryCode)
{
dis += 1;
}
if (s.Browser != Browser)
{
dis += 1;
}
if (s.OperatingSystem != OperatingSystem)
{
dis += 1;
}
return(dis +
Math.Abs(Duration.TotalMinutes - s.Duration.TotalMinutes) +
Math.Abs(Requests.Count() - s.Requests.Count()) +
distanceTime(StartTime, s.StartTime) +
LevenshteinDistance.Compute(GetTransaction(), s.GetTransaction()) * SCALE);
//similaritor.GetDissimilarity(GetTransaction(), s.GetTransaction()) * SCALE;
}
public double Distance(IDistancable t)
{
User u = t as User;
if (u == null)
{
return(-1);
}
double dis = Math.Abs(Sessions.Count() - u.Sessions.Count());
foreach (var s in Sessions)
{
foreach (var ss in u.Sessions)
{
dis += s.Distance(ss);
}
}
return(dis);
}
public DbscanPoint(IDistancable x)
{
ClusterPoint = x;
IsVisited = false;
ClusterId = UNCLASSIFIED;
}
private IEnumerable <DbscanPoint> neighbor(IDistancable point)
{
return(_dataset.Where(x => point.Distance(x.ClusterPoint) <= Epsilon));
}
