40. The method for representing information in a computer system according to claim 11, further comprising the step of: establishing in said computer system a descriptive database for describing an active concept record designated by a user, comprised of a plurality of records each of which stores a single relationship having an associated URN for said active concept record, and an associated URN for a source record in which said relationship is stored, the URN for said active concept being the URN of the record in said knowledge representation database for which the description in the descriptive database is assembled, and the URN for the source record being the URN of that record in the knowledge representation database in which said relationship is stored.
40. The method for representing information in a computer system according to claim 11, further comprising the step of: establishing in said computer system a descriptive database for describing an active concept record designated by a user, comprised of a plurality of records each of which stores a single relationship having an associated URN for said active concept record, and an associated URN for a source record in which said relationship is stored, the URN for said active concept being the URN of the record in said knowledge representation database for which the description in the descriptive database is assembled, and the URN for the source record being the URN of that record in the knowledge representation database in which said relationship is stored. 41. The method for representing information in a computer system according to claim 40, further comprising the steps of: reading a descriptive network for an active concept in the knowledge representation database forming a network of related records through the fundamental relationships of parent and type, combining the relationship lists from said read records, and storing the said relationships from said read records in said descriptive database, said relationship lists being combined by applying inheritance rules comprised of Taxonomy, Type, Composition and User inheritance, each relationships comprising said relationship list being stored in said descriptive database together with the URN of said active concept and the URN of source record, wherein said each relationship is stored in the Knowledge Representation Database.