Query specification and accessing strategies for relational databases. - J. Longstaff (1980)

Teaching Relational Database Intercations using Natural Language Responses. - J. Longstaff; F. Poole; J. Roper (BNOD, 1981)

Inferential Feedback for DBMS User Interfaces. - P. Massey; J. Longstaff; C. K. Lam (BNCOD, 1982)

ERQ: Controlled Inference and Instruction Techniques for DBMS Query Languages. - J. Longstaff (SIGMOD Conference, 1982)

Knowledge Base Enhancements to Relational Databases. - C. Yeo; J. Thorpe; J. Longstaff (BNCOD, 1986)