Amy J. C. Trappey, Charles V. Trappey, Abby P. T. Hsu. Patent portfolio analysis of e-payment services using technical ontology roadmaps. In 2016 IEEE International Conference on Systems, Man, and Cybernetics, SMC 2016, Budapest, Hungary, October 9-12, 2016. pages 4824-4829, IEEE, 2016. [doi]
Abstract is missing.