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Extending the Data Base Relational Model to Capture More Meaning

Summary: Extends the relational model to encode atomic and molecular semantics, enabling richer meaning beyond n-ary relations. Offers a synthesis of semantic-modeling ideas to guide systematic design and smarter data-management behavior. (summarized by gpt-5-nano on Feb 09 2026)

Paper ID
2171
Venue
SIGMOD
Year
1979
Pagerank
0.0007727299
Overall Rank
10 | 99.94%
DOI
10.1145/582095.582122

Incoming Non-self Citations Over Time

Authors

BibTeX Citation

@inproceedings{codd_sigmod79,
        title = {{Extending the Data Base Relational Model to Capture More Meaning}},
        author = {Codd, E. F.},
        series = {{SIGMOD} '79},
        booktitle = {Proceedings of the {ACM} {SIGMOD} International Conference on Management of Data},
        publisher = {Association for Computing Machinery},
        doi = {10.1145/582095.582122},
        url = {https://dl.acm.org/doi/10.1145/582095.582122},
        year = {1979}
}

Incoming Citations (Sorted by Pagerank)

Showing 50 of 97 citing papers.

Rank Citing Paper Year Venue Pagerank
95 Of Nests and Trees: A Unified Approach to Processing Queries That Contain Nested Subqueries, Aggregates, and Quantifiers 1987 VLDB 0.00034607909
115 A Decomposition Storage Model 1985 SIGMOD 0.00032338948
129 Optimization of Nested SQL Queries Revisited 1987 SIGMOD 0.0003068101
147 Making Smalltalk a Database System 1984 SIGMOD 0.00029474235
162 Inclusion dependencies and their interaction with functional dependencies (Extended abstract) 1982 PODS 0.00027886326
181 On Extending the Functions of a Relational Database System 1982 SIGMOD 0.00026752689
266 Can We Use The Universal Instance Assumption Without Using Nulls? 1981 SIGMOD 0.00022823892
335 A Taxonomy of Time in Databases 1985 SIGMOD 0.00020869676
355 Object Identity As A Query Language Primitive 1989 SIGMOD 0.00020351749
421 The Format Model: A Theory of Database Organization (extended abstract) 1982 PODS 0.00018742219
544 A New Approach to Database Logic 1984 PODS 0.00016792556
613 Database Relations with Null Values (Extended Abstract) 1982 PODS 0.00015723523
672 Designing DBMS Support for the Temporal Dimension 1984 SIGMOD 0.00015143745
676 On An Algebra For Historical Relational Databases. Two Views 1985 SIGMOD 0.00015072586
684 A Data Model and Query Language for EXODUS 1988 SIGMOD 0.00014990873
947 On the Representation and Querying of Sets of Possible Worlds 1987 SIGMOD 0.00013041389
1,075 Updates Of Relational Views 1983 PODS 0.00012294896
1,176 Outerjoins as Disjunctions 1994 SIGMOD 0.00011809075
1,260 Database Partitioning in a Cluster of Processors 1983 VLDB 0.00011436669
1,737 Molecular Objects, Abstract Data Types, and Data Models: A Framework 1984 VLDB 9.8838348e-05
1,887 Extending the Algebraic Framework of Query Processing to Handle Outerjoins 1984 VLDB 9.5347906e-05
2,037 The Temporal Query Language TQuel 1984 PODS 9.2777184e-05
2,047 Functional and Inclusion Dependencies: A Graph Theoretic Approach 1984 PODS 9.2564254e-05
2,051 Designing a Generalized NF2 Model with an SQL-Type Language Interface 1986 VLDB 9.2538701e-05
2,067 A Polygen Model for Heterogeneous Database Systems: The Source Tagging Perspective 1990 VLDB 9.23317e-05
2,296 Containment and Minimization of Positive Conjunctive Queries in OODB's (Extended Abstract) 1992 PODS 8.7908999e-05
2,402 Update Semantics for Incomplete Databases 1985 VLDB 8.6276184e-05
2,483 ISIS: Interface for a Semantic Information System 1985 SIGMOD 8.5177061e-05
2,577 Processing Queries Over Generalization Hierarchies in a Multidatabase System 1983 VLDB 8.3947293e-05
2,628 Gral: An Extensible Relational Database System for Geometric Applications 1989 VLDB 8.326647e-05
2,904 Horn Tables - An Efficient Tool For Handling Incomplete Information In Databases 1989 PODS 7.9757931e-05
3,174 On the Correctness Criteria of Fine-Grained Access Control in Relational Databases 2007 VLDB 7.6663399e-05
3,233 Implementation of a Compiler for a Semantic Data Model: Experiences with Taxis 1987 SIGMOD 7.6174587e-05
3,291 The Implication And Finite Implication Problems For Typed Template Dependencies 1982 PODS 7.5526697e-05
3,372 Incorporating Computed Relations in Relational Databases 1981 SIGMOD 7.4694279e-05
3,443 LAURA: A Formal Data Model and Her Logical Design Methodology 1983 VLDB 7.4116889e-05
3,461 Inference Rules for Functional and Inclusion Dependencies 1983 PODS 7.3938918e-05
3,554 PRISM: A Knowledge Based System for Semantic Integrity Specification and Enforcement in Database Systems 1984 SIGMOD 7.3140788e-05
3,625 Canonical Abstraction for Outerjoin Optimization 2004 SIGMOD 7.2458252e-05
3,633 IFO: A Formal Semantic Database Model (Preliminary Report) 1984 PODS 7.2366114e-05
3,652 Database Design Tools: An Expert System Approach 1985 VLDB 7.2249552e-05
3,733 Closed World Databases Opened Through Null Values 1988 VLDB 7.1653591e-05
3,884 Inclusion Dependencies and the Universal Instance 1983 PODS 7.0480285e-05
4,123 Integrating Data Lake Tables 2023 VLDB 6.8878137e-05
4,233 Embedding Expert Knowledge and Hypothetical Data Bases into a Data Base System 1980 SIGMOD 6.8175725e-05
4,324 Historical Multi-Media Databases 1986 VLDB 6.7606936e-05
4,654 Characterization of Well-Behaved Database Schemata and Their Update Semantics 1983 VLDB 6.5842312e-05
4,713 On the Expressive Power of the Logical Data Model 1985 SIGMOD 6.5501272e-05
4,811 Uncertainty Annotated Databases - A Lightweight Approach for Approximating Certain Answers 2019 SIGMOD 6.4983069e-05
4,828 CQL: A Query Language for Manipulating Object-oriented Databases 1989 VLDB 6.4892476e-05
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Outgoing Citations (Sorted by Pagerank)

Showing 0 of 0 cited papers.

Citations counted here include only citations to other VLDB/SIGMOD/CIDR/PODS papers in this database.

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