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Walmart as is well known is a big retailer, not just big but massive. They have been a big retailer since a long time and have been processing large data before the term “Big data existed”. The interesting feature about them is that they are about the biggest retailer with a net turnover of $450…

Typically, labor statistics are collected tediously by the staff of Bureau of Labor Statistics by visiting, faxing and calling different stores, offices and online retailers in 90 cities across the nation and getting back nearly 80,000 prices for different items. This costs about $250MM per year and takes at least several weeks to put together….

Companies that you previously did not think were in the data mining business or in the prediction business have used data mining technologies in strange but very useful ways. Your company too has some “useless” data that can be harvested. It really comes down to asking the correct question. Google obviously is centrally in the…

Doing data mining for other companies, have helped the data mining companies in many ways besides the services that they offer. In some cases, they have made several new businesses. There are two examples that are mentioned in “Big Data – A revolution” by Victor Mayer-Schoneberger and Kenneth Cukier In Amazon early days, Amazon made…

When we think about the brain and our ability to see, we realize that when we recognize people and see, we do not see everything as in a photograph but more see patterns. If the face matches the pattern that we recognized before as a person then we recognize him as such and not necessarily…