14. A tangible computer readable storage medium including executable program instructions which, when executed by a computer processor, cause the computer to implement a system comprising: a text mining tool to process text in an electronic document to identify a topical expression and a polar expression in the electronic document; a text classifier to determine a topic of the topical expression and a polarity of the polar expression, to identify a relevance of the polar expression to the topical expression; and a user interface to display the topical expression with the polar expression to a user.
14. A tangible computer readable storage medium including executable program instructions which, when executed by a computer processor, cause the computer to implement a system comprising: a text mining tool to process text in an electronic document to identify a topical expression and a polar expression in the electronic document; a text classifier to determine a topic of the topical expression and a polarity of the polar expression, to identify a relevance of the polar expression to the topical expression; and a user interface to display the topical expression with the polar expression to a user. 18. The computer readable storage medium of claim 14 , wherein the text classifier comprises a rules-based classifier to apply a statistical generator model to analyze the polar expression in relation to the topical expression.