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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
hcf7181eff96d0f8d
Venue
SIGMOD
Year
1979
Pagerank
0.00075944947
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 98 citing papers.

Rank Citing Paper Year Venue Pagerank
97 Of Nests and Trees: A Unified Approach to Processing Queries That Contain Nested Subqueries, Aggregates, and Quantifiers 1987 VLDB 0.00034124569
114 A Decomposition Storage Model 1985 SIGMOD 0.00031928929
132 Optimization of Nested SQL Queries Revisited 1987 SIGMOD 0.00030241193
150 Making Smalltalk a Database System 1984 SIGMOD 0.00028930192
159 Inclusion dependencies and their interaction with functional dependencies (Extended abstract) 1982 PODS 0.00027958527
183 On Extending the Functions of a Relational Database System 1982 SIGMOD 0.00026178731
278 Can We Use The Universal Instance Assumption Without Using Nulls? 1981 SIGMOD 0.00022313978
339 A Taxonomy of Time in Databases 1985 SIGMOD 0.00020570509
366 Object Identity As A Query Language Primitive 1989 SIGMOD 0.00019923978
434 The Format Model: A Theory of Database Organization (extended abstract) 1982 PODS 0.00018328281
559 A New Approach to Database Logic 1984 PODS 0.00016422254
628 Database Relations with Null Values (Extended Abstract) 1982 PODS 0.0001544126
681 Designing DBMS Support for the Temporal Dimension 1984 SIGMOD 0.00014821572
691 On An Algebra For Historical Relational Databases. Two Views 1985 SIGMOD 0.00014743297
698 A Data Model and Query Language for EXODUS 1988 SIGMOD 0.00014687325
970 On the Representation and Querying of Sets of Possible Worlds 1987 SIGMOD 0.00012772086
1,088 Updates Of Relational Views 1983 PODS 0.00012091631
1,198 Outerjoins as Disjunctions 1994 SIGMOD 0.00011565328
1,273 Database Partitioning in a Cluster of Processors 1983 VLDB 0.00011247988
1,775 Molecular Objects, Abstract Data Types, and Data Models: A Framework 1984 VLDB 9.6681333e-05
1,935 Extending the Algebraic Framework of Query Processing to Handle Outerjoins 1984 VLDB 9.3389342e-05
2,083 The Temporal Query Language TQuel 1984 PODS 9.0722247e-05
2,094 Designing a Generalized NF2 Model with an SQL-Type Language Interface 1986 VLDB 9.0571741e-05
2,095 A Polygen Model for Heterogeneous Database Systems: The Source Tagging Perspective 1990 VLDB 9.0564714e-05
2,098 Functional and Inclusion Dependencies: A Graph Theoretic Approach 1984 PODS 9.0521246e-05
2,349 Containment and Minimization of Positive Conjunctive Queries in OODB's (Extended Abstract) 1992 PODS 8.5999717e-05
2,459 Update Semantics for Incomplete Databases 1985 VLDB 8.4353518e-05
2,539 ISIS: Interface for a Semantic Information System 1985 SIGMOD 8.3274883e-05
2,623 Processing Queries Over Generalization Hierarchies in a Multidatabase System 1983 VLDB 8.2114388e-05
2,678 Gral: An Extensible Relational Database System for Geometric Applications 1989 VLDB 8.1456214e-05
2,965 Horn Tables - An Efficient Tool For Handling Incomplete Information In Databases 1989 PODS 7.8051404e-05
3,247 On the Correctness Criteria of Fine-Grained Access Control in Relational Databases 2007 VLDB 7.4946402e-05
3,294 Implementation of a Compiler for a Semantic Data Model: Experiences with Taxis 1987 SIGMOD 7.4487512e-05
3,356 The Implication And Finite Implication Problems For Typed Template Dependencies 1982 PODS 7.3833361e-05
3,425 Incorporating Computed Relations in Relational Databases 1981 SIGMOD 7.3115645e-05
3,510 LAURA: A Formal Data Model and Her Logical Design Methodology 1983 VLDB 7.2468609e-05
3,529 Inference Rules for Functional and Inclusion Dependencies 1983 PODS 7.2297471e-05
3,628 PRISM: A Knowledge Based System for Semantic Integrity Specification and Enforcement in Database Systems 1984 SIGMOD 7.1506476e-05
3,699 Canonical Abstraction for Outerjoin Optimization 2004 SIGMOD 7.0865558e-05
3,715 IFO: A Formal Semantic Database Model (Preliminary Report) 1984 PODS 7.0750576e-05
3,732 Database Design Tools: An Expert System Approach 1985 VLDB 7.0674932e-05
3,813 Closed World Databases Opened Through Null Values 1988 VLDB 7.0084288e-05
3,968 Inclusion Dependencies and the Universal Instance 1983 PODS 6.8901775e-05
3,989 Beyond Relations: A Case for Elevating to the Entity-Relationship Abstraction 2025 CIDR 6.8703153e-05
4,159 Integrating Data Lake Tables 2023 VLDB 6.7717519e-05
4,322 Embedding Expert Knowledge and Hypothetical Data Bases into a Data Base System 1980 SIGMOD 6.6659583e-05
4,413 Historical Multi-Media Databases 1986 VLDB 6.6101893e-05
4,746 Characterization of Well-Behaved Database Schemata and Their Update Semantics 1983 VLDB 6.4379604e-05
4,811 On the Expressive Power of the Logical Data Model 1985 SIGMOD 6.4040053e-05
4,868 Uncertainty Annotated Databases - A Lightweight Approach for Approximating Certain Answers 2019 SIGMOD 6.3748367e-05
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Outgoing Citations (Sorted by Pagerank)

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

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