March 27, 2012Volume 10, issue 3 PDF Web and mobile applications are increasingly composed of asynchronous and realtime streaming services and push notifications. Erik Meijer Among the hottest buzzwords in the IT industry these days is "big data," but the "big" is something of a misnomer: big data is not just about volume, but also about velocity and variety:4 • The volume of data ranges from a small number of items stored in the closed world of a conventional RDMS (relational database managemen...