// TODO - Implement!!!
public Hypothesis currentBestLearning(List <FOLExample> examples)
{
// TODO-use the default from pg 769 for now.
String c1 = "patrons(v,Some)";
String c2 = "patrons(v,Full) AND (hungry(v) AND type(v,French))";
String c3 = "patrons(v,Full) AND (hungry(v) AND (type(v,Thai) AND fri_sat(v)))";
String c4 = "patrons(v,Full) AND (hungry(v) AND type(v,Burger))";
String sh = "FORALL v (will_wait(v) <=> (" + c1 + " OR (" + c2
+ " OR (" + c3 + " OR (" + c4 + ")))))";
Hypothesis h = new Hypothesis(kbForLearning.tell(sh));
return(h);
}
// TODO - Implement!!!
public Hypothesis currentBestLearning(List<FOLExample> examples)
{
// TODO-use the default from pg 769 for now.
String c1 = "patrons(v,Some)";
String c2 = "patrons(v,Full) AND (hungry(v) AND type(v,French))";
String c3 = "patrons(v,Full) AND (hungry(v) AND (type(v,Thai) AND fri_sat(v)))";
String c4 = "patrons(v,Full) AND (hungry(v) AND type(v,Burger))";
String sh = "FORALL v (will_wait(v) <=> (" + c1 + " OR (" + c2
+ " OR (" + c3 + " OR (" + c4 + ")))))";
Hypothesis h = new Hypothesis(kbForLearning.tell(sh));
return h;
}
//
// START-Learner
public void train(DataSet ds) {
folDSDomain = new FOLDataSetDomain(ds.specification, trueGoalValue);
List<FOLExample> folExamples = new List<FOLExample>();
int egNo = 1;
foreach (Example e in ds.examples) {
folExamples.Add(new FOLExample(folDSDomain, e, egNo));
egNo++;
}
// Setup a KB to be used for learning
kb = new FOLKnowledgeBase(folDSDomain, new FOLOTTERLikeTheoremProver(
1000, false));
CurrentBestLearning cbl = new CurrentBestLearning(folDSDomain, kb);
currentBestHypothesis = cbl.currentBestLearning(folExamples);
}