Big data has really taken off over the past decade because of the presence of ubiquitous sensor technology everywhere. For example, we are all constantly monitored by our phones, smart doorbells, heating systems, televisions, watches and jewellery. These devices generate a constant flow of information about us. But this data is pretty much meaningless without context. This lecture talks about how data needs to be processed to make it useful to business.
A lecture by Raghavendra Rau