13. A system for identifying one or more inconsistencies between an unstructured document and a back-end fact-base, comprising: a memory; and at least one processor coupled to the memory and operative to: automatically parse a query document and comparing the document with a back-end fact-base comprising facts relevant to the document; derive one or more relevant facts from the query document by identifying one or more fact triples of three categorical elements in the back-end fact-base; identify one or more inconsistencies between the one or more relevant facts from the document and the facts stored in the back-end fact-base; and provide a response to the query document, wherein the response additionally includes the one or more identified inconsistencies.
13. A system for identifying one or more inconsistencies between an unstructured document and a back-end fact-base, comprising: a memory; and at least one processor coupled to the memory and operative to: automatically parse a query document and comparing the document with a back-end fact-base comprising facts relevant to the document; derive one or more relevant facts from the query document by identifying one or more fact triples of three categorical elements in the back-end fact-base; identify one or more inconsistencies between the one or more relevant facts from the document and the facts stored in the back-end fact-base; and provide a response to the query document, wherein the response additionally includes the one or more identified inconsistencies. 17. The system of claim 13 , wherein the at least one processor coupled to the memory operative to compare the query document with a back-end fact-base is further operative to determine one or more relevant facts from the back-end fact-base given the one or more facts contained in the document.