A method of comparing first and second documents, the method comprising determining criteria of the comparison, selecting comparison means based on the criteria from a plurality of comparison means, and performing the comparison of the first and second documents by using the selected comparison means. Also disclosed is a method of comparing first and second documents, the first document including or associated with one or more first concepts, the second document including or associated with one or more second concepts, the method comprising displaying a diagram having first and second axes, the first axis corresponding to positions of the first concepts within the first document, the second axis corresponding to positions of the second concepts within the second document, the method further comprising displaying or highlighting one or more points on the diagram, each point at a position on the first axis corresponding to a first one of the concepts in the first document and on the second axis corresponding to a second one of the concepts in the second document, whereby the first concept is identical or similar to the second concept.
MOEHRLE MARTIN G [DE]
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