Map-Reduce is on its way out. But we shouldn’t measure its importance in the number of bytes it crunches, but the fundamental shift in data processing architectures it helped popularise.
conexp-ng - ConExp-NG is a simple GUI-centric tool for the study & research of Formal Concept Analysis (FCA) that allows you to create formal contexts, draw concept lattices and explore dependencies between attributes.
P. Desikan, N. Pathak, J. Srivastava, и V. Kumar. ICWE '06: Proceedings of the 6th international conference on Web engineering, стр. 233--240. New York, NY, USA, ACM Press, (июля 2006)