Attribute Exploration with Background Implications and Exceptions. In H.-H. Bock, und W. Polasek (Hrsg.), Data Analysis and Information Systems. Statistical and Conceptual approaches. Proc. GfKl'95. Studies in Classification, Data Analysis, and Knowledge Organization 7, 457-469, Springer, Heidelberg, 1996. [PUMA: 1996 acquisition analysis attribute background concept exploration fca formal implications knowledge lattices myown] URL