Gravitational Energy; Aerospace's Future Technology -- Entropy Detection Based Spectrum Sensing in Frequency Domain under Noise Uncertainty for Cognitive Radios Networks -- Detecting Semantic Social Engineering Attack in the Context of Information Security -- IS Risks Governance for Cloud Computing Service -- Blockchain Technology in Cloud Computing: Challenges and Open Issues -- Micro-Energy Systems (MESs); Modeling and Optimal Operating Based on NSGA-II -- Hybrid Cryptography for Cloud Security: Methodologies and Designs -- A Study of Sentiment Analysis Approaches in Short Text -- Teleportation; Next Leap to Outer Space -- Practical Comparison Between the LR(1) Bottom Up and LL(1) Top Down Methodology.

This book is a collection of best-selected research papers presented at the Second World Conference on Internet of Things: Applications & Future (ITAF 2020) organized by Global Knowledge Research Foundation during 16 - 17 December 2020. It includes innovative works from researchers, leading innovators, business executives and industry professionals to examine the latest advances and applications for commercial and industrial end users across sectors within the emerging Internet of things ecosphere. It shares state-of-the-art as well as emerging topics related to Internet of things such as big data research, emerging services and analytics, Internet of things (IoT) fundamentals, electronic computation and analysis, big data for multi-discipline services, security, privacy and trust, IoT technologies and open and cloud technologies.