4. A method of analyzing and displaying information regarding a plurality of documents, the method comprising the steps of: generating first and second different representations of each document; for selected pairs of documents, determining (a) a first utility measure based on the respective first representations of the documents in that pair, and (b) a second utility measure based on the respective second representations of the documents in that pair; and displaying a scatter plot in an area bounded by first and second non-parallel axes where each selected pair is represented by a point having a first coordinate along the first axis equal to the first utility measure and a second coordinate along the second axis equal to the second utility measure.
4. A method of analyzing and displaying information regarding a plurality of documents, the method comprising the steps of: generating first and second different representations of each document; for selected pairs of documents, determining (a) a first utility measure based on the respective first representations of the documents in that pair, and (b) a second utility measure based on the respective second representations of the documents in that pair; and displaying a scatter plot in an area bounded by first and second non-parallel axes where each selected pair is represented by a point having a first coordinate along the first axis equal to the first utility measure and a second coordinate along the second axis equal to the second utility measure. 5. The method of claim 4 wherein: the first representation is a conceptual-level representation; and the second representation is a term-based representation.