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31
Secure Cloud Query
Processing with Relational
Data for Social Media
31.1 INTRODUCTION
The World Wide Web (WWW) is envisioned as a system of interlinked hypertext documents that
are accessed using the Internet (http://en.wikipedia.org/wiki/World_Wide_Web). With the emer-
gence of organizations that provide e-commerce such as Amazon and social network applications
such as Facebook and Twitter on the WWW, the volume of data generated by them daily is mas-
sive (Axon, 2010). It was estimated that the amount of data that would be generated by individu-
als in the year 2009 would be more than that generated in the entire history of mankind throu ...