Chang Sau Sheong, "Ruby on Rails Web Mashup Projects"
Publisher: Packt Publishing | ISBN: 1847193935 | edition 2008 | PDF | 270 pages | 10,9 mb

A web mashup is a new type of web application that uses data and services from one or more external sources to build entirely new and different web applications. Web mashups usually mash up data and through other partnership agreements. The external sources that a mashup uses are known as mashup APIs.