The coming decade will witness the flourishing of computing, and the development of big data for computing networks will focus on core technological areas such as edge computing, distributed collaborative computing, data fabric, and privacy computing. This book comprises four parts and 14 chapters: Part One (Chapters 1-3) introduces the basic concepts of computability and computing networks, along with the development trends of big data driven by computing networks. Part Two (Chapters 4-7) covers key technologies for big data in computing networks, including edge computing, distributed collaborative computing, data fabric, and privacy computing. Part Three (Chapters 8-10) presents specific applications of big data technology in computing networks. Part Four (Chapters 11-14) explores the big data applications integrated with computing networks and the future expectations.