E. F. Codd

19.8k total citations · 4 hit papers
39 papers, 9.4k citations indexed

About

E. F. Codd is a scholar working on Computer Networks and Communications, Artificial Intelligence and Signal Processing. According to data from OpenAlex, E. F. Codd has authored 39 papers receiving a total of 9.4k indexed citations (citations by other indexed papers that have themselves been cited), including 22 papers in Computer Networks and Communications, 14 papers in Artificial Intelligence and 10 papers in Signal Processing. Recurrent topics in E. F. Codd's work include Advanced Database Systems and Queries (19 papers), Semantic Web and Ontologies (12 papers) and Data Management and Algorithms (10 papers). E. F. Codd is often cited by papers focused on Advanced Database Systems and Queries (19 papers), Semantic Web and Ontologies (12 papers) and Data Management and Algorithms (10 papers). E. F. Codd collaborates with scholars based in United States and United Kingdom. E. F. Codd's co-authors include C. J. Date, E. S. McDonough, Daniel Sagalowicz, Howard L. Morgan, Larry Harris, William A. Martin and William A. Martin and has published in prestigious journals such as Communications of the ACM, IEEE Software and ACM SIGMOD Record.

In The Last Decade

E. F. Codd

37 papers receiving 7.9k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

A relational model of data for large shared data banks

1970 2.8k citations E. F. Codd Communications of the ACM profile →
A relational model of data for large shared data banks

1983 2.2k citations E. F. Codd Communications of the ACM profile →
Extending the database relational model to capture more meaning

1979 925 citations E. F. Codd profile →
Cellular automata

1968 637 citations E. F. Codd profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
E. F. Codd United States	22	6.4k	4.8k	4.2k	1.9k	934	39	9.4k
David Maier United States	45	5.9k 0.9×	4.3k 0.9×	3.2k 0.8×	1.8k 0.9×	676 0.7×	257	8.5k
Jim Gray United States	37	10.3k 1.6×	2.4k 0.5×	2.6k 0.6×	3.4k 1.8×	454 0.5×	84	11.7k
Ronald Fagin United States	58	7.1k 1.1×	8.7k 1.8×	4.9k 1.2×	2.5k 1.3×	1.8k 1.9×	164	14.0k
Dan Suciu United States	63	7.8k 1.2×	7.5k 1.6×	5.2k 1.2×	2.7k 1.4×	1.5k 1.6×	317	12.3k
Anand Rajaraman United States	26	3.7k 0.6×	3.4k 0.7×	2.4k 0.6×	2.6k 1.3×	706 0.8×	51	6.5k
Peter J. Haas United States	43	3.6k 0.6×	2.6k 0.5×	3.1k 0.7×	1.5k 0.8×	952 1.0×	177	7.3k
Gerhard Weikum Germany	57	4.9k 0.8×	7.9k 1.6×	2.2k 0.5×	4.0k 2.1×	1.3k 1.4×	472	12.8k
David J. DeWitt United States	62	12.7k 2.0×	5.9k 1.2×	6.3k 1.5×	4.8k 2.4×	743 0.8×	219	16.3k
Christos H. Papadimitriou United States	60	5.6k 0.9×	3.6k 0.8×	1.3k 0.3×	924 0.5×	1.3k 1.4×	202	12.5k
Michael Stonebraker United States	71	14.4k 2.2×	5.0k 1.0×	6.1k 1.4×	6.1k 3.1×	1.4k 1.5×	350	18.0k

Countries citing papers authored by E. F. Codd

Since Specialization

Citations

This map shows the geographic impact of E. F. Codd's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by E. F. Codd with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites E. F. Codd more than expected).

Fields of papers citing papers by E. F. Codd

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by E. F. Codd. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by E. F. Codd. The network helps show where E. F. Codd may publish in the future.

Co-authorship network of co-authors of E. F. Codd

This figure shows the co-authorship network connecting the top 25 collaborators of E. F. Codd. A scholar is included among the top collaborators of E. F. Codd based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with E. F. Codd. E. F. Codd is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

1.

Codd, E. F., et al.. (1998). Providing OLAP to User-Analysts: An IT Mandate. 119 indexed citations

2.

Codd, E. F.. (1987). More commentary on missing information in relational databases (applicable and inapplicable information). ACM SIGMOD Record. 16(1). 42–50. 26 indexed citations

3.

Codd, E. F.. (1986). Missing information (applicable and inapplicable) in relational databases. ACM SIGMOD Record. 15(4). 53–53. 83 indexed citations

4.

Codd, E. F.. (1982). Relational database. Communications of the ACM. 25(2). 109–117. 179 indexed citations

5.

Codd, E. F.. (1981). The Significance of the SQL/Data System Announcement.. 15. 27–30. 2 indexed citations

6.

Codd, E. F.. (1980). Data models in database management. ACM SIGMOD Record. 11(2). 112–114. 18 indexed citations

7.

Codd, E. F.. (1979). Extending the data base relational model to capture more meaning. 161–161. 426 indexed citations

8.

Codd, E. F.. (1975). Implementation of Relational Data Base Management Systems (NCC 1975 Panel).. International Conference on Management of Data. 7(34 Pt 2). 3–22. 1 indexed citations

9.

Date, C. J. & E. F. Codd. (1975). The relational and network approaches. 83–113. 37 indexed citations

10.

Codd, E. F. & C. J. Date. (1975). Interactive support for non-programmers. 11–41. 37 indexed citations

11.

Codd, E. F.. (1974). Recent Investigations in Relational Data Base Systems.. IFIP Congress. 1017–1021. 156 indexed citations

12.

Codd, E. F.. (1974). Understanding Relations (Installment #4).. International Conference on Management of Data. 6. 1–22. 2 indexed citations

13.

Codd, E. F.. (1974). Seven Steps to Rendezvous with the Casual User.. 179–200. 113 indexed citations

14.

Codd, E. F.. (1973). Understanding relations. ACM SIGMOD Record. 5(1). 63–64. 31 indexed citations

15.

Codd, E. F.. (1972). Further Normalization of the Data Base Relational Model. Medical Entomology and Zoology. 33–64. 403 indexed citations

16.

Codd, E. F.. (1971). Normalized Data Structure: A Brief Tutorial.. 1–17. 16 indexed citations

17.

Codd, E. F.. (1971). Normalized data base structure. 1–1. 112 indexed citations

18.

Codd, E. F.. (1970). Proceedings of the 1970 ACM SIGFIDET (now SIGMOD) Workshop on Data Description, Access and Control. 8 indexed citations

19.

Codd, E. F.. (1965). Propagation, Computation, And Construction In Two-dimensional Cellular Spaces.. Deep Blue (University of Michigan). 3 indexed citations

20.

Codd, E. F., et al.. (1959). Multiprogramming STRETCH. Communications of the ACM. 2(11). 13–17. 19 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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