On the morning of September 15^th, 2017, Prof. Chu Wenchang, from the University of Salento in Italy, was invited to visit the School of Computer & Computing Science of ZUCC where he delivered a keynote speech titled “Reciprocal Relations of Bernoulli and Euler Numbers/Polynomials” at Room Sci-IV 330. Vice Dean of the School of Computer & Computing Science, Chen Guanlin, hosted the symposium. Key members of Research Institute of Big Data & Electronic Service, graduates and senior undergraduates of the School of Computer & Computing Science Joint-Supervision project attended the symposium.