Market partitioning and the geometry of the resource space
Gábor Péli, Bart Nooteboom · University of Groningen research database (University of Groningen / Centre for Information Technology) · 1997
Operations such as integration or modularization of databases can be considered as operations on database universes. This paper describes some operations on database universes. Formally, a database universe is a special kind of table. It turns out that various operations on tables constitute interesting operations on database universes as well.