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Structured Object-Oriented Formal Language and Method: 8th International Workshop, SOFL+MSVL 2018, Gold Coast, QLD, Australia, November 16, 2018, Revised Selected Papers

Structured Object-Oriented Formal Language and Method: 9th International Workshop, SOFL+MSVL 2019, Shenzhen, China, November 5, 2019, Revised Selected Papers

Computing and Combinatorics: 25th International Conference, COCOON 2019, Xi'an, China, July 29–31, 2019, Proceedings