Robin M. Fay & Michael P. Sauers 
Semantic Web Technologies and Social Searching for Librarians [PDF ebook] 
(THE TECH SET(R) #20)

There are trillions of bytes of information within the web, all of it driven by behind-the-scenes data. Vast quantities of information make it hard to find what’s really important. Here’s a practical guide to the future of web-based technology, especially search. It provides the knowledge and skills necessary to implement semantic web technology. You’ll learn how to start and track trends using social media, find hidden content online, and search for reusable online content, crucial skills for those looking to be better searchers. The authors explain how to explore data and statistics through Wolfram Alpha, create searchable metadata in Flickr, and give meaning to data and information on the web with Google’s Rich Snippets. Let Robin M. Fay and Michael P. Sauers show you how to use tools that will awe your users with your new searching skills.