Ganter, Bernhard and Stumme, Gerd.
Creation and Merging of Ontology Top-Levels.
Conceptual Structures for Knowledge Creation and Communication..
editor(s) de Moor, Aldo and Lex, Wilfried and Ganter, Bernhard.
LNAI,
(2746)
131-145,
Springer,
Heidelberg,
Year
2003.