Björn Vormbrock, Rudolf Wille. Semiconcept and Protoconcept Algebras: The Basic Theorems. In Bernhard Ganter, Gerd Stumme, Rudolf Wille, editors, Formal Concept Analysis, Foundations and Applications. Volume 3626 of Lecture Notes in Computer Science, pages 34-48, Springer, 2005. [doi]
Abstract is missing.