1. A method executable in a computer, comprising: identifying senses of words appearing in portions of a text; determining, based on the identified senses of the words in the portions of the text, semantic positions in a semantic space of the portions of the text; and performing an action with respect to the text based on the determined semantic positions.
7. The method of claim 1 , further comprising determining semantic positions of segments of the text, wherein at least one segment includes multiple ones of the portions, and wherein determining the semantic position of the at least one segment is based on the semantic positions of the portions in the at least one segment.