... description. For the second type of question, human examineeswould search their knowledge base for the description of each of four candidate terms. Then they wouldchoose the candidate term ... bothresources, the accuracy was noticeably improved, and the coverage was comparable with that for the Nichi-gai dictionary.On the other hand, in the case where random choicewas performed, the Nichigai ... token ringIn the autumn of 1999, out of 80 questions, the num-ber of the first and second types were 22 and 18, re-spectively.4.3 Implementing a QA system For the first type of question, human...