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Principles and embodiments of the invention provide tech niques for detecting factual inconsistencies between a docu ment and a fact-base. An exemplary method (which may be computer-implemented) for identifying one or more incon sistencies between an unstructured document and a back-end fact-base, according to one aspect of the invention, can include steps of automatically parsing a query document and comparing the document with a back-end fact-base compris ing facts relevant to the document, identifying one or more inconsistencies between information mentioned in the docu ment and the facts stored in the back-end fact-base, and pro viding a response to the query document, wherein the response additionally includes the one or more identified inconsistencies. One or more embodiments of the invention or elements thereof can be implemented in the form of a computer product including a tangible …