List of contents and author index Volume 5, 1980
Editorial note
A query-maintenance language for the data independent accessing model II
Integrated data analysis and management for the problem solving environment
The application of data types to database semantic integrity
Natural language access to information systems. An evaluation study of its acceptance by end users
Database maintenance efficiency using differential files
Algorithms for processing partial match queries using word fragments
Interacting in natural language with artificial systems: The donau project
Reports and theses
Announcement