Ten big data case studies in a nutshell

What are companies such as Macy's, Tesco, American Express and Wal-Mart Stores doing with big data? The Data Mill reports.

You haven't seen big data in action until you've seen Gartner analyst Doug Laney present 55 examples of big data case studies in 55 minutes. It's kind of like The Complete Works of Shakespeare, Laney joked at Gartner Symposium, though "less entertaining and hopefully more informative." (Well, maybe, for this tech crowd.) The presentation was, without question, a master class on the three-Vs definition of big data: Data characterized by increasing variety, velocity and volume. It's a description, by the way, that Laney -- who also coined the term infonomics -- floated way back in 2001.

The Data MillThe 55 examples are not intended to intimidate, but instruct. Laney told the audience not to feel overwhelmed, but to home in on the big data case studies that might improve business performance at their own companies: "Yes, I know you're in industry x, but there are tremendous ideas that come from other industries that you need to consider adapting and adopting for your own industry," he said.

Here's 10 of them:

1. Macy's Inc. and real-time pricing. The retailer adjusts pricing in near-real time for 73 million (!) items, based on demand and inventory, using technology from SAS Institute.

2. Tipp24 AG, a platform for placing bets on European lotteries, and prediction. The company uses KXEN software to analyze billions of transactions and hundreds of customer attributes, and to develop predictive models that target customers and personalize marketing messages on the fly. That led to a 90% decrease in the time it took to build predictive models. SAP is in the process of acquiring KXEN. "That's probably a great move by SAP to fill a predictive analytics gap they've long had," Laney said.

3. Wal-Mart Stores Inc. and search. The mega-retailer's latest search engine for Walmart.com includes semantic data. Polaris, a platform that was designed in-house, relies on text analysis, machine learning and even synonym mining to produce relevant search results. Wal-Mart says adding semantic search has improved online shoppers completing a purchase by 10% to 15%. "In Wal-Mart terms, that is billions of dollars," Laney said.

4. Fast food and video. This company (Laney wasn't giving up who) is training cameras on drive-through lanes to determine what to display on its digital menu board. When the lines are longer, the menu features products that can be served up quickly; when the lines are shorter, the menu features higher-margin items that take longer to prepare.

5. Morton's The Steakhouse and brand recognition. When a customer jokingly tweeted the Chicago-based steakhouse chain and requested that dinner be sent to the Newark airport, where he would be getting in late after a long day of work, Morton's became a player in a social media stunt heard 'round the Interwebs. The steakhouse saw the tweet, discovered he was a frequent customer (and frequent tweeter), pulled data on what he typically ordered, figured out which flight he was on, and then sent a tuxedo-clad delivery person to serve him his dinner. Sure, the whole thing was a publicity stunt (that went viral), but that's not the point. The question businesses should be asking themselves: "Is your company even capable of something like this?" Laney said.

6. PredPol Inc. and repurposing. The Los Angeles and Santa Cruz police departments, a team of educators, and a company called PredPol have taken an algorithm used to predict earthquakes, tweaked it and started feeding it crime data. The software can predict where crimes are likely to occur down to 500 square feet. In LA, there's been a 33% reduction in burglaries and 21% reduction in violent crimes in areas where the software is being used.

Previously on
The Data Mill

MetLife fires up Synapse and JSON to recruit rock-star developers

The state of the digital enterprise at Gartner Symposium

Big data and predictive analytics: When is enough data enough?

7. Tesco PLC and performance efficiency: The supermarket chain collected 70 million refrigerator-related data points coming off its units and fed them into a dedicated data warehouse. Those data points were analyzed to keep better tabs on performance, gauge when the machines might need to be serviced and do more proactive maintenance to cut down on energy costs.

8. American Express Co. and business intelligence. Hindsight reporting and trailing indicators can only take a business so far, AmEx realized. "Traditional BI [business intelligence] hindsight-oriented reporting and trailing indicators aren't moving the needle on the business," Laney said. So AmEx started looking for indicators that could really predict loyalty and developed sophisticated predictive models to analyze historical transactions and 115 variables to forecast potential churn. The company believes it can now identify 24% of Australian accounts that will close within the next four months.

9. Express Scripts Holding Co. and product generation. Express Scripts, which processes pharmaceutical claims, realized that those who most need to take their medications were also those most likely to forget to take their medications. So they created a new product: Beeping medicine caps and automated phone calls reminding patients it's time to take the next dose.

10. Infinity Property & Casualty Corp. and dark data. Laney defines dark data as underutilized information assets that have been collected for single purpose and then archived. But given the right circumstances, that data can be mined for other reasons. Infinity, for example, realized it had years of adjusters' reports that could be analyzed and correlated to instances of fraud. It built an algorithm out of that project and used the data to reap $12 million in subrogation recoveries.

Welcome to The Data Mill, a weekly column devoted to all things data. Heard something newsy (or gossipy)? Email me or find me on Twitter at @TT_Nicole.

This was first published in October 2013

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