CPC G10L 15/08 (2013.01) [G10L 15/22 (2013.01); G10L 2015/225 (2013.01)] | 13 Claims |
13. A non-transitory computer readable medium including computer executable instructions, wherein the instructions, when executed by a processor, cause the processor to perform a method comprising:
receiving a spoken sentence from a user;
estimating an intention expressed by the user based on the spoken sentence;
estimating a search condition specified by the user based on the spoken sentence;
determining whether the spoken sentence is an invalid speech respectively in a first estimation result related to the estimated intention and a second estimation result related to the estimated search condition; and
calculating a first determination result indicating that the spoken sentence is determined not to be an invalid speech in each of the first estimation result and the second estimation result, a second determination result indicating that the spoken sentence is determined to be an invalid speech in one of the first estimation result and the second estimation result, and a third determination result indicating that the spoken sentence is determined to be an invalid speech in each of the first estimation result and the second estimation result.
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