1

[A] Abrial, J., "Data Semantics", in Klimbie & Koffeman, eds., Data Base Management , North-Holland, 1974.

2

[AGU] Alfred V. Aho, M. R. Garey, Jeffrey D. Ullman: The Transitive Reduction of a Directed Graph. SIAM J. Comput. 1(2): 131-137(1972).

3

Paolo Atzeni , D. Stott Parker, Jr., Assumptions in relational database theory, Proceedings of the 1st ACM SIGACT-SIGMOD symposium on Principles of database systems, March 29-31, 1982, Los Angeles, California  [doi>10.1145/588111.588113]

4

Catriel Beeri , Henry F. Korth, Compatible attributes in a universal relation, Proceedings of the 1st ACM SIGACT-SIGMOD symposium on Principles of database systems, March 29-31, 1982, Los Angeles, California  [doi>10.1145/588111.588121]

5

[BG] Philip A. Bernstein, Nathan Goodman: What does Boyce-Codd Normal Form Do? VLDB 1980: 245-259.

6

[BP] Paul De Bra, Jan Paredaens: Horizontal Decompositions for Handling Exceptions to Functional Dependencies. Advances in Data Base Theory 1982: 123-141.

7

[B] Brachman, R., 'On the Epistemological Status of Semantic Networks', in Findler, V. (ed.), Associative Networks NY: Academic Press, 1979.

8

Peter Buneman , Robert E. Frankel, FQL: a functional query language, Proceedings of the 1979 ACM SIGMOD international conference on Management of data, May 30-June 01, 1979, Boston, Massachusetts  [doi>10.1145/582095.582104]

9

Marco A. Casanova , Ronald Fagin , Christos H. Papadimitriou, Inclusion dependencies and their interaction with functional dependencies, Proceedings of the 1st ACM SIGACT-SIGMOD symposium on Principles of database systems, March 29-31, 1982, Los Angeles, California  [doi>10.1145/588111.588141]

10

E. F. Codd, Extending the database relational model to capture more meaning, ACM Transactions on Database Systems (TODS), v.4 n.4, p.397-434, Dec. 1979  [doi>10.1145/320107.320109]

11

[D] C. J. Date: Referential Integrity. VLDB 1981: 2-12.

12

Ronald Fagin, A normal form for relational databases that is based on domains and keys, ACM Transactions on Database Systems (TODS), v.6 n.3, p.387-415, Sept. 1981  [doi>10.1145/319587.319592]

13

Ronald Fagin , Alberto O. Mendelzon , Jeffrey D. Ullman, A simplied universal relation assumption and its properties, ACM Transactions on Database Systems (TODS), v.7 n.3, p.343-360, Sept. 1982  [doi>10.1145/319732.319735]

14

[Fa] Fahlman, S., NETL: A System for Representing and Using Real-World Knowledge, Boston: MIT Press, 1979.

15

Antonio L. Furtado , Larry Kerschberg, An algebra of quotient relations, Proceedings of the 1977 ACM SIGMOD international conference on Management of data, August 03-05, 1977, Toronto, Ontario, Canada  [doi>10.1145/509404.509406]

16

Michael Hammer , Dennis Mc Leod, Database description with SDM: a semantic database model, ACM Transactions on Database Systems (TODS), v.6 n.3, p.351-386, Sept. 1981  [doi>10.1145/319587.319588]

17

[HK] Hecht, M.Y., & L. Kerschberg, 'Update Semantics for the Functional Data Model', Database Research Report No. 4, Bell Laboratories, Holmdel, NJ 07733, January 1981.

18

[HWY] Barron C. Housel, Vance E. Waddle, S. Bing Yao: The Functional Dependency Model for Logical Database Design. VLDB 1979: 194-208.

19

Richard Hull , Chee K. Yap, The format model: a theory of database organization, Proceedings of the 1st ACM SIGACT-SIGMOD symposium on Principles of database systems, March 29-31, 1982, Los Angeles, California  [doi>10.1145/588111.588146]

20

D. S. Johnson , A. Klug, Testing containment of conjunctive queries under functional and inclusion dependencies, Proceedings of the 1st ACM SIGACT-SIGMOD symposium on Principles of database systems, March 29-31, 1982, Los Angeles, California  [doi>10.1145/588111.588138]

21

[K1] William Kent: The Entity Join. VLDB 1979: 232-238.

22

William Kent, Limitations of record-based information models, ACM Transactions on Database Systems (TODS), v.4 n.1, p.107-131, March 1979  [doi>10.1145/320064.320070]

23

[KP] Kerschberg, L., & J.E.S. Pacheco, 'A Functional Data Base Model', Tech Report, Pontifica Universidade Catolica do Rio de Janeiro, Brazil, February 1976.

24

Sharon McCure Kuck , Yehoshua Sagiv, A universal relation database system implemented via the network model, Proceedings of the 1st ACM SIGACT-SIGMOD symposium on Principles of database systems, March 29-31, 1982, Los Angeles, California  [doi>10.1145/588111.588135]

25

Sharon M. Kuck , Yehoshua Sagiv, Designing globally consistent network schemas, Proceedings of the 1983 ACM SIGMOD international conference on Management of data, May 23-26, 1983, San Jose, California

26

Carol Helfgott LeDoux , Douglas Stott Parker, Jr., Reflections on Boyce-Codd Normal Form, Proceedings of the 8th International Conference on Very Large Data Bases, p.131-141, September 08-10, 1982

27

Y. Edmund Lien, On the Semantics of the Entity-Relationship Data Model, Proceedings of the 1st International Conference on the Entity-Relationship Approach to Systems Analysis and Design, p.155-168, January 1980

28

Y. Edmund Lien, Hierarchical schemata for relational databases, ACM Transactions on Database Systems (TODS), v.6 n.1, p.48-69, March 1981  [doi>10.1145/319540.319546]

29

Y. Edmund Lien, On the Equivalence of Database Models, Journal of the ACM (JACM), v.29 n.2, p.333-362, April 1982  [doi>10.1145/322307.322311]

30

Tok-Wang Ling , Frank W. Tompa , Tiko Kameda, An improved third normal form for relational databases, ACM Transactions on Database Systems (TODS), v.6 n.2, p.329-346, June 1981  [doi>10.1145/319566.319583]

31

Dennis McLeod , John Miles Smith, Abstraction in databases, Proceedings of the 1980 workshop on Data abstraction, databases and conceptual modeling, p.19-25, June 23-26, 1980, Pingree Park, Colorado, United States

32

John C. Mitchell, Inference rules for functional and inclusion dependencies, Proceedings of the 2nd ACM SIGACT-SIGMOD symposium on Principles of database systems, March 21-23, 1983, Atlanta, Georgia  [doi>10.1145/588058.588067]

33

Yehoshua Sagiv, A characterization of globally consistent databases and their correct access paths, ACM Transactions on Database Systems (TODS), v.8 n.2, p.266-286, June 1983  [doi>10.1145/319983.319988]

34

Edward Sciore, Improving semantic specification in a relational database, Proceedings of the 1979 ACM SIGMOD international conference on Management of data, May 30-June 01, 1979, Boston, Massachusetts  [doi>10.1145/582095.582124]

35

Edward Sciore, Inclusion dependencies and the universal instance, Proceedings of the 2nd ACM SIGACT-SIGMOD symposium on Principles of database systems, March 21-23, 1983, Atlanta, Georgia  [doi>10.1145/588058.588066]

36

David W. Shipman, The functional data model and the data languages DAPLEX, ACM Transactions on Database Systems (TODS), v.6 n.1, p.140-173, March 1981  [doi>10.1145/319540.319561]

37

[SK] Sibley, E.H., & L. Kerschberg, 'Data Architecture and Data Model Considerations', Proc AFIPS NCC, Dallas, TX, June 1977, 85-96.

38

John Miles Smith , Diane C. P. Smith, Database abstractions: aggregation, Communications of the ACM, v.20 n.6, p.405-413, June 1977  [doi>10.1145/359605.359620]

39

John Miles Smith , Diane C. P. Smith, Database abstractions: aggregation and generalization, ACM Transactions on Database Systems (TODS), v.2 n.2, p.105-133, June 1977  [doi>10.1145/320544.320546]

40

Dionysios C. Tsichritzis , Frederick H. Lochovsky, Data Models, Prentice Hall Professional Technical Reference, 1982

41

[U1] Jeffrey D. Ullman: Principles of Database Systems, 1st Edition. Computer Science Press 1980.

42

Jeffrey D. Ullman, The U. R. strikes back, Proceedings of the 1st ACM SIGACT-SIGMOD symposium on Principles of database systems, March 29-31, 1982, Los Angeles, California  [doi>10.1145/588111.588114]

43

Gio Wiederhold , Ramez A. El-Masri, A structural model for database systems, Stanford University, Stanford, CA, 1979

Serge Abiteboul , Richard Hull, IFO: a formal semantic database model, ACM Transactions on Database Systems (TODS), v.12 n.4, p.525-565, Dec. 1987

Richard Hull , Roger King, Semantic database modeling: survey, applications, and research issues, ACM Computing Surveys (CSUR), v.19 n.3, p.201-260, Sept. 1987

C. H. Parks, Tutorial: reading and reviewing the common schema for electrical design and analysis, Proceedings of the 24th ACM/IEEE conference on Design automation, p.479-483, June 28-July 01, 1987, Miami Beach, Florida, United States

Richard Hull, Relative information capacity of simple relational database schemata, Proceedings of the 3rd ACM SIGACT-SIGMOD symposium on Principles of database systems, April 02-04, 1984, Waterloo, Ontario, Canada

Serge Abiteboul , Richard Hull, IFO: a formal semantic database model, Proceedings of the 3rd ACM SIGACT-SIGMOD symposium on Principles of database systems, April 02-04, 1984, Waterloo, Ontario, Canada

Mokrane Bouzeghoub , Georges Gardarin , Elisabeth Métais, Database design tools: an expert system approach, Proceedings of the 11th international conference on Very Large Data Bases, p.82-95, August 21-23, 1985, Stockholm, Sweden

Robert Brown: colleagues

Douglas Stott Parker, Jr.: colleagues