20. The computer-readable medium of claim 12 wherein the contents of the computer-readable medium cause the computer system to further: identify within the selected word subgraph a third node representing a third occurrence of the second word, the third node having a word sense characterization; and determine to attribute to the first node 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.
12. A computer-readable medium whose contents cause a computer system to, in a representation of one or more dictionaries comprising a plurality of text segments, characterize the sense of an occurrence of a polysemous word by: selecting a plurality of dictionary text segments each containing a first word; identifying among the selected dictionary text segments a first occurrence of a second word, the first occurrence of the second word having no word sense characterization; identifying among the selected dictionary text segments a second occurrence of the second word, the second occurrence of the second word having a word sense characterization; and attributing to the first occurrence of the second word the word sense characterization of the second occurrence of the second word.