PESOHA: Privacy-preserving Evaluation System for Online Healthcare Applications -- Computer Vision and Hybrid Reality for Construction Safety Risks: a Pilot Study -- Data Reduction Using NMF for Outlier Detection Method in Wireless Sensor Networks -- Measuring Customer Satisfaction on Software Based Products: A Case study of ASAS-ERP Software at the University of Botswana -- To Develop a Water Quality Monitoring System for Aquaculture Areas Based on Agent Model -- Identifying Intrusions in Dynamic Environments using Semantic Trajectories and BIM for Worker Safety -- The ontological Approach in Organic Chemistry Intelligent System Development -- Effective way of Deriving the Context from a Handwritten Image/Object -- E-Voting System Based on Multiple Ballots Casting -- Against Malicious SSL/TLS Encryption: Identify.

The second volume of this book includes selected high-quality research papers presented at the Fourth International Congress on Information and Communication Technology, which was held at Brunel University, London, on February 27-28, 2019. It discusses emerging topics pertaining to information and communication technology (ICT) for managerial applications, e-governance, e-agriculture, e-education and computing technologies, the Internet of Things (IoT), and e-mining. Written by respected experts and researchers actively working in ICT, the book offers a valuable resource, especially for researchers who are newcomers to the field.