internal void Add(InterpretationsFactory interpretationsFactory, IEnumerable <FeatureCover> covers)
{
//create simple mapping which doesn't need expensive computation
var entry = new OptimizedEntry(this, interpretationsFactory, covers);
registerEntry(entry);
}
private void registerEntry(OptimizedEntry entry)
{
var initialInstance = entry.GetSimpleFeatureInstance();
var initialRule = new FeaturedRule(initialInstance.Feature, new ContextRule(new CompositionPoolRule(entry.CurrentInterpretation.Rules)));
RulesDistribution distribution;
if (!_featureToDistributions.TryGetValue(initialRule.Feature, out distribution))
{
_featureToDistributions[initialRule.Feature] = distribution = new RulesDistribution();
}
distribution.Add(initialRule.Rule);
_optimizedEntries.Add(entry);
}
private Ranked <Interpretation> getNextRankedInterpretation(OptimizedEntry entry)
{
if (!entry.Next())
{
//there are no more patterns available
return(null);
}
//get next interpretation
var interpretation = entry.CurrentInterpretation;
//rank according to generalization point of view
var similarAnswerNodes = getSimilarNodes(entry.CorrectAnswerNode);
var substitutedAnswerNodes = getSubstitutedAnswers(interpretation);
var similarSubstitutions = similarAnswerNodes.Intersect(substitutedAnswerNodes).ToArray();
var generalizationAbility = 1.0 * similarSubstitutions.Length / similarAnswerNodes.Count;
return(new Ranked <Interpretation>(interpretation, generalizationAbility));
}
public void LinkTo(OptimizedEntry entry, int offset)
{
LinkId = entry.Id;
LinkOffset = offset;
entry.HasbeenLinked = true;
}
