Squashed commit of the following:

commit ced50e09cb707d45fadc3b01ebe842830b87fd4b
Author: Samur Araujo <samuraraujo@gmail.com>
Date:   Wed Jul 31 18:43:37 2013 +0200

    edited

commit c389f9d55ffef779b30a64c886323bf5fe2f4ac6
Author: Samur Araujo <samuraraujo@gmail.com>
Date:   Wed Jul 31 18:37:50 2013 +0200

    VLDB Examples and Code
edited