View Definition and Generalization for Database Integration in a Multidatabase System

Extending the database relational model to capture more meaning

1979 • 1,567 citations

Database abstractions

1977 • 1,409 citations

The functional data model and the data languages DAPLEX

1981 • 928 citations

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

1976 • 526 citations

A language facility for designing database-intensive applications

1980 • 487 citations

Implementation of integrity constraints and views by query modification

1975 • 446 citations

Multibase

1981 • 193 citations

INGRES

1975 • 188 citations

Views, authorization, and locking in a relational data base system

1975 • 141 citations

Constructing superviews

1981 • 98 citations

An extended relational algebra with control over duplicate elimination

1982 • 82 citations

Processing Queries Over Generalization Hierarchies in a Multidatabase System

1983 • 81 citations

Distributed data bases

1983 • 60 citations

Query optimization for CODASYL database systems

1982 • 42 citations

CSDL: A Conceptual Schema Definition Language for the Design of Data Base Applications

1979 • 29 citations

Extended semantics for generalization hierarchies

1978 • 27 citations

On the updatability of network views—extending relational view theory to the network model

1982 • 17 citations

The semantic data model

1978 • 11 citations

Database integration and query optimization in multi-database systems

1982 • 4 citations