Chapter 5 focuses on ArcGIS Enterprise and specifically on-premesis Web GIS. People may choose to use ArcGIS Enterprise instead of ArcGIS Online because Enterprise runs on user-managed infrastructures and is typically used if on-premesis GIS, hybrid GIS, or functionalities only available on ArcGIS Enterprise are needed. ArcGIS Enterprise includes a portal for ArcGIS, an ArcGIS server, ArcGIS web adaptor, and an ArcGIS data store. All of these aspects work together to create effective software.
Chapter 6 is all about spatiotemporal data and real time GIS. Spatiotemporal data is categorized as moving, discrete, stationary, or change. This is important to real time GIS because it is a way to provide better situational awareness, enhance emergency response, and support better decision making. This chapter also talks about the Internet of Things (IoT) which is the network of physical objects embedded with sensors and network connectivity that allow the physical objects to collect and exchange data. This data can be understood as intelligence which, with geolocation context, can be acted on. The IoT can be applied as a smart city or a smart home. Chapter 6 also discusses ArcGIS Velocity and ArcGIS GeoEvent Server. Both softwares interact with various data sources and translate different data formats, filters and analyzes data in real time, and sends processed data to external sources.