Terziyan, Vagan Y. and
Puuronen, Seppo. 2000.
“Reasoning with Multilevel Contexts in Semantic Metanetworks.” in
Formal Aspects of Context, edited by Pierre E.
Bonzon, Marcos
Cavalcanti, and Rolf T.
Nossum, pp. 107–126. Dordrecht: Kluwer Academic Publishers.