Support for modeling relationships in object-oriented databases
Logical foundations of multilevel databases
Data abstractions: Why and how?
Time-evolving rule-based knowledge bases
Optimal and efficient integration of heterogeneous summary tables in a distributed database
Query optimization for broadcast database
Overlapping B+-trees: An implementation of a transaction time access method
Author index to volume 29 (1999)
Subject index to volume 29 (1999)
Calendar