The Expressive Power of Stratified Logic Programs with Value Invention

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

Foundations of databases

Choice Reviews Online · 1995 · 1.8K citations

Extending the database relational model to capture more meaning

E. F. Codd · ACM Transactions on Database Systems · 1979 · 1.6K citations · Full text

Computing, Computer Science, Data Management +13

Logical foundations of object-oriented and frame-based languages

Michael Kifer, Georg Lausen, James C. Wu · Journal of the ACM · 1995 · 1.5K citations · Full text

Computing, Computer Science, Logic +14