3. The method of claim 1 , 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.
3. The method of claim 1 , 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. 5. The method of claim 3 , wherein the semantically interpreting the first recognition result and the second recognition result comprises semantically interpreting the first recognition result and the second recognition result using a medical fact extractor to determine at least one first medical fact expressed in the first recognition result and at least one second medical fact expressed in the second recognition result.