K. Becker, G. Stumme, R. Wille, U. Wille, und M. Zickwolff. Knowledge Engineering and Knowledge Management Methods, Models, and Tools, Volume 1937 von Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (2000)
G. Stumme, R. Wille, und U. Wille. Principles of Data Mining and Knowledge Discovery, Volume 1510 von Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (1998)
J. Hereth, G. Stumme, R. Wille, und U. Wille. Conceptual Structures: Logical, Linguistic, and Computational Issues, Volume 1867 von Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (2000)