This book conducts a systematic research on the basic theoretical system of ethnogeography, area differentiation and spatial changes of ethnic community, national ecological outlook on human-land relations, geographical distribution of various nationalities in the world, and historical geographical background of regional ethnic composition. From the perspective of the development of the discipline, through comprehensive review of the basic materials, development process, and research statu...

Authored by researchers and practitioners who build cutting-edge federated learning applications to solve real-world problems, this book covers the spectrum of federated learning technology from concepts and application scenarios to advanced algorithms and finally system implementation in three parts. It provides a comprehensive review and summary of federated learning technology, as well as presenting numerous novel federated learning algorithms which no other books have summarized. The w...

This book systematically expounds the significance of the high-speed railway in China's regional economic and social development. It also contains a large number of case discussions, so that readers can fully understand the development of China's high-speed railway and its role in promoting China's economy. The purpose of this book is to determine whether high-speed railway has important political and strategic significance for China's development, the inherent relationship and mechanism o...