Yes, there are many books addressing Virtualization. Titles can be found from well known book series, such as Virtualization for Dummies and The Shortcut Guide to Virtualization. Microsoft also publishes, Understanding Virtualization Solutions.

it explains that server virtualization is the separation of server computing functions ... Server virtualization technology allows for dynamic and automatic creation, ... full virtualization and paravirtualization along with hardware acceleration logic.

Intel males a CPU with Virtualization Technology built in.

Yes data virtualization is a real term. Data virtualization is used by companies to predict where the traffic will come from. It helps companies to see where the consumers are.

Virtualization is the creation of something virtual, rather than actual. An example of virtualization would be the formation of a computer operating system or hardware platform.