List of contents and author index volume 4, 1979
Reducing block accesses in inverted files by partial clustering
Space utilization and access path length in B-trees
Infological models and information user views
An access control facility for relational data base systems
Optimizing the evaluation of calculus expressions in a relational database system
Data base communication in a heterogeneous data base management system network
Reports and theses
Announcement
Editorial Board