This book constitutes the refereed proceedings of the 4th International Conference on Computational Social Networks, CSoNet 2015, held in Beijing, China, in August 2015.

The 23 revised full papers and 3 short papers presented together with 2 extended abstracts were carefully reviewed and selected from 101 submissions and cover topics on social information diffusion; network clustering and community structure; social link prediction and recommendation; and social network structure analysis.

This book constitutes the refereed proceedings of the 22nd International Conference on Computing and Combinatorics, COCOON 2016, held in Ho Chi Minh City, Vietnam, in August 2016. The 50 revised full papers papers presented in this book were carefully reviewed and selected from various submissions. The papers cover various topics including: Theory and Algorithms; Parameterized Complexity and Algorithms; Database and Data Structures; Computational Complexity; Approximation Algorithms; Cryptography; Network and Algorithms; Graph Theory and Algorithms; Computational Geometry; Scheduling...