17. The method according to claim 16 wherein creating a hypernym lexical chain further comprises: incrementing a sense score by adding the WSD scores of their ancestor senses; and selecting extracted nouns and noun phrases based on senses that receive the highest WSD scores among the nouns' and noun phrases' senses.
17. The method according to claim 16 wherein creating a hypernym lexical chain further comprises: incrementing a sense score by adding the WSD scores of their ancestor senses; and selecting extracted nouns and noun phrases based on senses that receive the highest WSD scores among the nouns' and noun phrases' senses. 18. The method according to claim 17 wherein creating a hypernym lexical chain for senses derived from the same nouns and noun phrases that have different parent senses and these parent senses may have common ancestor further comprises: subtracting scores added by a sense itself and senses that have common sense names; and adding an extra score for a sense based on the number of its synonyms.