Abstract : This research report contains the current version of the chapter about notions equivalent to BG Homomorphism, chapter V of a book to appear in 2008.
Michel Chein, Marie-Laure Mugnier. A Graph-Based Approach to Knowledge Representation and Reasoning - chapter BG Homomorphism and Other Notions (chapter V). RR-07036, 2007, pp.30. ⟨lirmm-00200903⟩