private void AddRareTemplatesNew(History h, string tag)
{
// Feature templates rare
if (!(maxentTagger.IsRare(ExtractorFrames.cWord.Extract(h))))
{
return;
}
int start = numFeatsGeneral;
for (int i = start; i < numFeatsAll; i++)
{
string s = maxentTagger.extractorsRare.Extract(i - start, h);
if (s.Equals(zeroSt))
{
continue;
}
//do not add the feature
//only this tag
FeatureKey key = new FeatureKey(i, s, tag);
if (!maxentTagger.extractorsRare.Get(i - start).Precondition(tag))
{
continue;
}
Add(key);
}
}
protected internal TaggerFeature(int start, int end, FeatureKey key, int yTag, TaggerExperiments domain)
{
this.start = start;
this.end = end;
this.key = key;
this.domain = domain;
this.yTag = yTag;
}
/// <summary>Adds a FeatureKey to the set of known FeatureKeys.</summary>
/// <param name="s">The feature key to be added</param>
/// <returns>Whether the key was already known (false) or added (true)</returns>
protected internal virtual bool Add(FeatureKey s)
{
if ((sTemplates.Contains(s)))
{
return(false);
}
sTemplates.Add(s);
return(true);
}
// Add a new feature key in a hashtable of feature templates
private void AddTemplatesNew(History h, string tag)
{
// Feature templates general
for (int i = 0; i < numFeatsGeneral; i++)
{
string s = maxentTagger.extractors.Extract(i, h);
if (s.Equals(zeroSt))
{
continue;
}
//do not add the feature
//iterate over tags in dictionary
//only this tag
FeatureKey key = new FeatureKey(i, s, tag);
if (!maxentTagger.extractors.Get(i).Precondition(tag))
{
continue;
}
Add(key);
}
}
protected internal virtual int[] GetPositions(FeatureKey s)
{
Pair <int, string> p = new Pair <int, string>(s.num, s.val);
return(tempHash[p].GetPositions());
}
protected internal virtual void AddPositions(int start, int end, FeatureKey fK)
{
Pair <int, string> key = new Pair <int, string>(fK.num, fK.val);
tempHash[key].AddPositions(start, end);
}
