Eklund, P. and Groh, B. and Stumme, G. and Wille, R..
Contextual-Logic Extension of TOSCANA..
Conceptual Structures: Logical, Linguistic, and Computational.
editor(s) Ganter, B. and Mineau, G. W..
LNAI,
(1867)
453-467,
Springer,
Heidelberg,
Year
2000.