Hyperedge entity-relationship data base systems

Details Hyperedge entity-relationship data base systems Hyperedge entity-relationship data base systems

1982-11-15

1984-10-23

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 1540

Patent

active

044791968

ABSTRACT:
A data base management system is disclosed in which data entities are records representing nodes in an entity-relationship directed graph. The body of each node represents one of the physical entities to be utilized while the edges of each node represent relationships between that physical entity and other physical entities. Some of the edges are hyperedges to permit the identification of simultaneous relationships with more than one other node. An application of this system to the assignment of telephone outside plant equipment to telephone subscribers is also described.

REFERENCES:
patent: 4128891 (1978-12-01), Lin et al.
patent: 4221003 (1980-09-01), Chang et al.
patent: 4283771 (1981-08-01), Chang
Cattell, G. G., "An Entity-Based Database User Interface", Proc. ACM-SIGMOD., May 14-16, 1980, pp. 144-150.
"Graphs and Hypergraphs", North Holland Company, 1973, pp. 389-413.
Chen, P., "The Entity-Relationship--Toward a Unified View of Data", ACM Trans. on Database Systems, Mar. 1976, pp. 9-36.

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