Big Data Knows You, Even If You Don't Know Big Data

Forbes.com (Nov 15 2011)

1. Finance knows lots of data, from transactions to years of stock market tick data. But Big Data is something more. “Big data isn’t just about large volumes of data, it is about diverse data from web logs, sensor networks, social networks, call detail records and more,” said Scott Gnau, head of research and development at Teradata. “We define the big data space as an emerging data type and diverse analytics; it is still an emerging market.” Tony Baer, principal analyst of enterprise software at Ovum, a research firm, cites a couple of examples. Yahoo uses up to 170 petabytes of data in Hadoop, an open source software framework for very large data sets, to customize the home pages it presents to users. That improved visits click-throughs by 160 percent, he said, quoting a study by Hortonworks CEO Eric Baldeschwieler. Baer also said that eBay and Teradata have designed a ... (Read Full Article)

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