V. Tanasescu, and O. Streibel. Proceedings of the International Workshop on Emergent Semantics and
Ontology Evolution (ESOE2007) at ISWC/ASWC2007, Busan, South Korea, (November 2007)
G. Stumme. Proc. 3rd Intl. Conf. on Formal Concept Analysis, volume 3403 of Lecture Notes in Computer Science, page 315-328. Heidelberg, Springer, (2005)