private QuestionInfo selectTopic()
{
var newQuestionProbability = Math.Max(0.1, (100 - _knowledge.QuestionCount) / 100.0);
string topicCandidate;
while (true)
{
if (_rnd.NextDouble() < newQuestionProbability)
{
do
{
topicCandidate = _questions.GetRandomQuestion();
} while (!isGoodQuestion(topicCandidate));
_extractor.Linker.LinkUtterance(topicCandidate); //cache linked information
_knowledge.AddQuestion(topicCandidate);
}
else
{
topicCandidate = _knowledge.GetRandomQuestion();
}
if (!_discussedTopics.Contains(topicCandidate))
{
break;
}
}
return(_knowledge.GetInfo(topicCandidate));
}
public void RandomizeQuestion (){
//get a new random question
currentQuestion = questions.GetRandomQuestion();
}
