This book constitutes the thoroughly refereed workshop proceedings of the 9th International Workshop on Structured Object-Oriented Formal Language and Method, SOFL+MSVL 2019, held in Shenzhen, China, in November 2019. The 23 revised full papers included in the volume were carefully reviewed and selected from 43 submissions. They are organized in the following topical sections: testing and debugging, formal verification, problem solving, software analysis and evolution, and software analysis and testing.

This book constitutes the proceedings of the 25th International Conference on Computing and Combinatorics, COCOON 2019, held in Xi'an, China, in July 2019. The 55 papers presented in this volume were carefully reviewed and selected from 124 submissions. The papers cover various topics, including algorithm design, approximation algorithm, graph theory, complexity theory, problem solving, optimization, computational biology, computational learning, communication network, logic, and game theory.

This book constitutes the thoroughly refereed workshop proceedings of the 8th International Workshop on Structured Object-Oriented Formal Language and Method, SOFL+MSVL 2018, held in Gold Coast, QLD, Australia, in November 2018. The 11 revised full papers included in the volume were carefully reviewed and selected from 21 submissions. They are organized in the following topical sections: programming and testing; verification and validation; semantics; and blockchain.

This book constitutes the thoroughly refereed workshop proceedings of the 7th International Workshop on Structured Object-Oriented Formal Language and Method, SOFL+MSVL 2017, held in Xi'an, China, in November 2017. The 13 revised full papers included in the volume were carefully reviewed and selected from 21 submissions. They are organized in the following topical sections: animation and prototyping; graph theory; model checking; modeling and specification; and verification and validation.

This book constitutes revised selected papers from the 6th International Workshop on Structures Object-Oriented Formal Language and Method, SOFL+MSVL 2016, held in Tokyo, Japan, in November 2016. The 13 papers presented in this volume were carefully reviewed and selected from 26 submissions. They are organized in topical sections named: modeling and specification; animation and prototyping; verification and validation; and model checking.