A data base management system for document retrieval applications

A relational model of data for large shared data banks

E. F. Codd · Communications of the ACM · 1970 · 5.2K citations · Full text

Computing, Computer Science, Information Systems +16

A relational model of data for large shared data banks

E. F. Codd · Communications of the ACM · 1983 · 4.8K citations

Computing, Computer Science, Information Systems +16

An introduction to database systems

Ben Shneiderman · Information Processing & Management · 1976 · 1K citations

Computing, Computer Science, Information Systems +10

SEQUEL 2: A Unified Approach to Data Definition, Manipulation, and Control

Donald D. Chamberlin, M. M. Astrahan, Kapali P. Eswaran et al. · IBM Journal of Research and Development · 1976 · 521 citations

Computing, Computer Science, Data Management +16

SEQUEL as a Language for Document Retrieval

Ian A. Macleod · Journal of the American Society for Information Science · 1979 · 31 citations

Computing, Computer Science, Data Management +6