5. A document filing system according to claim 4, wherein said means for storing information as a knowledge base further includes a third memory means for storing at least a list of all said generic relations.
5. A document filing system according to claim 4, wherein said means for storing information as a knowledge base further includes a third memory means for storing at least a list of all said generic relations. 6. A document filing system according to claim 5, wherein said means for storing information as a knowledge base further includes a fourth memory means for storing at least a list of all said instance relations.