1. Beck, F., Burch, M., Munz, T., Di Silvestro, L., Weiskopf, D.: Generalized Pythagoras trees for visualizing hierarchies. In: Proceedings of the 5th International Conference on Information Visualization Theory and Applications - Volume 1: IVAPP (VISIGRAPP 2014). ISBN 978-989-758-005-5 (2014), pp. 17–28
2. https://www.who.int/dietphysicalactivity/factsheet-adults/en/
3. https://orangedatamining.com/
4. Intan, R., Mukaidono, M.: Conditional probability relations in fuzzy relational database. In: Proceedings of RSCTC’00. Lecture Notes in Computer Science, pp.251–260 (2001)
5. Intan, R., Yao, Y.Y., Mukaidono, M.: Generalization of rough sets using weak fuzzy similarity relations. Rough Set Theory and Granular Computing, pp. 37–46. Springer, Berlin (2003)