1. A method for automatically recognizing Whole-Part relations in natural language documents, the method comprising: providing text from at least one natural language document; recognizing one or more expanded Subject-Action-Object (eSAO) sets in the text, wherein each eSAO set has one or more eSAO components; matching the one or more eSAO sets against Whole-Part relationship patterns; and generating one or more eSAO Whole-Part relations based on the matching, wherein the eSAO Whole-Part relation comprises a Whole eSAO and an Part eSAO.