6. The method of claim 1 , wherein ranking the set of hypotheses comprises assigning a hypothesis confidence score to each hypothesis in the set of hypotheses based on the answer confidence value, wherein presenting the ranked set of hypotheses comprises presenting a hypothesis confidence value for each hypothesis in the ranked set of hypotheses.
6. The method of claim 1 , wherein ranking the set of hypotheses comprises assigning a hypothesis confidence score to each hypothesis in the set of hypotheses based on the answer confidence value, wherein presenting the ranked set of hypotheses comprises presenting a hypothesis confidence value for each hypothesis in the ranked set of hypotheses. 7. The method of claim 6 , wherein assigning the hypothesis confidence score for a given hypothesis comprises determining the hypothesis confidence score based on a number of paths leading to the given hypothesis.