On May 23 and 24, 2016 Prof. Kiyoshi Tanaka, a Vice-President of Shinshu University, Nagano, Japan, and Hernán Aguirre, an Associated Professor at Shinshu University, were visiting the Jožef Stefan Institute. The purpose of the visit was to start a scientific cooperation between the two institutions supported by the Slovenian Research Agency and Japan Society for the Promotion of Science. To this end, the two sides agreed on a memorandum that was signed by the Director of JSI Prof. Jadran Lenarčič on May 24. The joint research focuses on multi-criteria optimization for space exploration and infrastructure networks. At JSI it is conducted by the Computational Intelligence Group of the Department of Intelligent Systems led by Prof. Bogdan Filipič.