21. The computer-readable medium of claim 20 wherein the determining step determines to attribute to the first occurrence of the second word the word sense characterization of the second occurrence of the second word rather than the word sense characterization of the third occurrence of the second word based upon a determination that the first and second occurrences of the second word are from the same corpus, while the first and third occurrences of the second word are not from the same corpus.
20. The computer-readable medium of claim 18 wherein the contents of the computer-readable medium further cause the computer system to perform the steps of: identifying among the selected text segments a third occurrence of the second word, the third occurrence of the second word, like the second occurrence of the second word, having a word sense characterization; and determining to attribute to the first occurrence of the second word the word sense characterization of the second occurrence of the second word rather than the word sense characterization of the third occurrence of the second word based upon a characteristic of the second occurrence of the second word.