11. The apparatus of claim 9 , wherein: the at least one alternative recognition result comprises a second recognition result; the method further comprises semantically interpreting each of the first recognition result and the second recognition result to determine at least one first fact expressed in the first recognition result and at least one second fact expressed in the second recognition result; and the determining whether the meaning of the first recognition result differs from the meaning of the at least one alternative recognition result comprises determining whether there is a difference between the at least one first fact and the at least one second fact.
11. The apparatus of claim 9 , wherein: the at least one alternative recognition result comprises a second recognition result; the method further comprises semantically interpreting each of the first recognition result and the second recognition result to determine at least one first fact expressed in the first recognition result and at least one second fact expressed in the second recognition result; and the determining whether the meaning of the first recognition result differs from the meaning of the at least one alternative recognition result comprises determining whether there is a difference between the at least one first fact and the at least one second fact. 12. The apparatus of claim 11 , wherein: the at least one first fact comprises a fact having a fact type that is marked as significant; and the determining whether there is a difference between the at least one first fact and the at least one second fact comprises determining whether the at least one second fact comprises the fact having the fact type marked as significant.