internal override IEnumerable <string> GenerateFeatures(BeamNode node)
{
var targetActivationEvent = BeamGenerator.GetInstanceActivationRequest(PropertySet.Subject, node);
var sourceActivationEvent = BeamGenerator.GetInstanceActivationRequest(PropertySet.Value, node);
if (targetActivationEvent == null || sourceActivationEvent == null)
{
yield break;
}
var ngramLimitCount = 2;
var targetSufixes = new InputPhraseEvent[0];//BeamGenerator.GetSufixPhrases(targetActivationEvent.ActivationPhrase, ngramLimitCount, node);
var targetPrefixes = BeamGenerator.GetPrefixPhrases(targetActivationEvent.ActivationPhrases.FirstOrDefault(), ngramLimitCount, node);
var featureId = "* --" + PropertySet.Property.Name + "--> $1";
var targetId = "$1";
for (var i = 0; i < ngramLimitCount; ++i)
{
if (targetSufixes.Length > i)
{
yield return(targetId + " " + ngramFeature(targetSufixes, i) + " | " + featureId);
}
if (targetPrefixes.Length > i)
{
yield return(ngramFeature(targetPrefixes, i) + " " + targetId + " | " + featureId);
}
}
}
