As a catch-all term, “big data” can be pretty nebulous, in the same way that the term “cloud” covers diverse technologies.Input data to big data systems could be chatter from social networks, web ...

Just what does a petabyte look like? The US Library of Congress is often invoked when imagining a petabyte and its kin – the (smaller) terabyte and the larger zettabyte and exabyte. Data experts ...