7-23 semantic frames and answer templates. In
Retrieval Symposium (AIRS2004), pages 345–348.addition, we learned the question focus classifier
from training examples of about 100 questions for
P. Martin, F. Crabbe, S. Adams, E. Baatz, andthe each domain. All information for the ques-
N. Yankelovich. 1996. Speechacts: a spoken lan-guage framework.IEEE Computer, 7(29):33–40.tion answering was automatically extracted using
the Web IE module of K-QARD, which was also
J. Ross Quinlan. 1993. C4.5: Programs for Machinelearned from training examples consisting of sev-
Learning. Morgan Kaufmann Publishers Inc., Saneral annotated Web pages of the target Web site. It
Francisco, CA, USA.took about a half of week for two graduate stu-
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