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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
0.00075677079
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
99 Of Nests and Trees: A Unified Approach to Processing Queries That Contain Nested Subqueries, Aggregates, and Quantifiers 1987 VLDB 0.00034024478
114 A Decomposition Storage Model 1985 SIGMOD 0.00031854546
133 Optimization of Nested SQL Queries Revisited 1987 SIGMOD 0.0003015194
150 Making Smalltalk a Database System 1984 SIGMOD 0.00028835071
159 Inclusion dependencies and their interaction with functional dependencies (Extended abstract) 1982 PODS 0.00027867985
185 On Extending the Functions of a Relational Database System 1982 SIGMOD 0.00026084927
284 Can We Use The Universal Instance Assumption Without Using Nulls? 1981 SIGMOD 0.00022229787
341 A Taxonomy of Time in Databases 1985 SIGMOD 0.00020516619
368 Object Identity As A Query Language Primitive 1989 SIGMOD 0.00019850502
437 The Format Model: A Theory of Database Organization (extended abstract) 1982 PODS 0.00018259668
561 A New Approach to Database Logic 1984 PODS 0.00016361117
631 Database Relations with Null Values (Extended Abstract) 1982 PODS 0.00015384005
684 Designing DBMS Support for the Temporal Dimension 1984 SIGMOD 0.00014781093
692 On An Algebra For Historical Relational Databases. Two Views 1985 SIGMOD 0.00014701559
704 A Data Model and Query Language for EXODUS 1988 SIGMOD 0.00014633243
974 On the Representation and Querying of Sets of Possible Worlds 1987 SIGMOD 0.0001272688
1,093 Updates Of Relational Views 1983 PODS 0.0001204652
1,201 Outerjoins as Disjunctions 1994 SIGMOD 0.00011523243
1,277 Database Partitioning in a Cluster of Processors 1983 VLDB 0.00011210172
1,788 Molecular Objects, Abstract Data Types, and Data Models: A Framework 1984 VLDB 9.6320479e-05
1,945 Extending the Algebraic Framework of Query Processing to Handle Outerjoins 1984 VLDB 9.3059376e-05
2,094 The Temporal Query Language TQuel 1984 PODS 9.0409588e-05
2,106 A Polygen Model for Heterogeneous Database Systems: The Source Tagging Perspective 1990 VLDB 9.0235781e-05
2,107 Designing a Generalized NF2 Model with an SQL-Type Language Interface 1986 VLDB 9.0234169e-05
2,111 Functional and Inclusion Dependencies: A Graph Theoretic Approach 1984 PODS 9.0184089e-05
2,354 Containment and Minimization of Positive Conjunctive Queries in OODB's (Extended Abstract) 1992 PODS 8.5732755e-05
2,467 Update Semantics for Incomplete Databases 1985 VLDB 8.4035566e-05
2,546 ISIS: Interface for a Semantic Information System 1985 SIGMOD 8.296104e-05
2,631 Processing Queries Over Generalization Hierarchies in a Multidatabase System 1983 VLDB 8.1810097e-05
2,688 Gral: An Extensible Relational Database System for Geometric Applications 1989 VLDB 8.1151447e-05
2,980 Horn Tables - An Efficient Tool For Handling Incomplete Information In Databases 1989 PODS 7.7764633e-05
3,265 On the Correctness Criteria of Fine-Grained Access Control in Relational Databases 2007 VLDB 7.4663507e-05
3,306 Implementation of a Compiler for a Semantic Data Model: Experiences with Taxis 1987 SIGMOD 7.4207248e-05
3,365 The Implication And Finite Implication Problems For Typed Template Dependencies 1982 PODS 7.3554695e-05
3,434 Incorporating Computed Relations in Relational Databases 1981 SIGMOD 7.2859487e-05
3,519 LAURA: A Formal Data Model and Her Logical Design Methodology 1983 VLDB 7.219922e-05
3,536 Inference Rules for Functional and Inclusion Dependencies 1983 PODS 7.2028316e-05
3,642 PRISM: A Knowledge Based System for Semantic Integrity Specification and Enforcement in Database Systems 1984 SIGMOD 7.1236523e-05
3,708 Canonical Abstraction for Outerjoin Optimization 2004 SIGMOD 7.0598928e-05
3,723 IFO: A Formal Semantic Database Model (Preliminary Report) 1984 PODS 7.0484146e-05
3,733 Database Design Tools: An Expert System Approach 1985 VLDB 7.0435521e-05
3,820 Closed World Databases Opened Through Null Values 1988 VLDB 6.9820853e-05
3,987 Inclusion Dependencies and the Universal Instance 1983 PODS 6.8641905e-05
4,006 Beyond Relations: A Case for Elevating to the Entity-Relationship Abstraction 2025 CIDR 6.8443562e-05
4,158 Integrating Data Lake Tables 2023 VLDB 6.7595989e-05
4,340 Embedding Expert Knowledge and Hypothetical Data Bases into a Data Base System 1980 SIGMOD 6.6410383e-05
4,433 Historical Multi-Media Databases 1986 VLDB 6.5869097e-05
4,768 Characterization of Well-Behaved Database Schemata and Their Update Semantics 1983 VLDB 6.4137008e-05
4,834 On the Expressive Power of the Logical Data Model 1985 SIGMOD 6.3799062e-05
4,892 Uncertainty Annotated Databases - A Lightweight Approach for Approximating Certain Answers 2019 SIGMOD 6.3507497e-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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