In our increasingly digitized world almost everything we do creates a record that is stored somewhere, whether we are purchasing a book, calling a friend, ordering a meal, or renting a movie. And in today's world of sensors and internet-enabled devices, smartphones and wearables, this is no longer just limited to our online activities. Exercising in the park, shopping for groceries, falling asleep, or even taking a shower, are just some of the everyday real-world activities that are likely to generate data. This is the big data world of the so-called Sensor Web.
