"Big data is a term for data sets that are so large or complex that traditional data processing applications are inadequate to deal with them. Challenges include analysis , capture, data curation , search, sharing , storage , transfer , visualization , querying , updating and information privacy . The term 'big data' often refers simply to the use of predictive analytics , user behavior analytics , or certain other advanced data analytics methods that extract value from data, and seldom to a particular size of data set." — Wikipedia This article, Inside American Express' Big Data Journey , explores what is needed to make the shift to using big data effectively. You need to be prepared for a journey . The changes needed won't happen overnight. You need buy-in from the top of your organisation. Without that, you won't get the mandate for the investment and the culture shift that is required. At the moment, big data technologies are still being developed, ...
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