MINYANVILLE ORIGINAL Last year the London-based Hedge Fund Derwent Capital Markets bought research conducted by Indiana University computing professor Johan Bollen for close to $40 million. Who said academics wasn't a career to get you rich?  His paper's title alone might explain the corporate interest: "Twitter Mood Predicts the Stock Market" claimed that by using algorithms to detect mood data in tweets Bollen could accurately predict changes in the the Dow Jones Industrial Average (INDEXDJX:.DJI) three to four days in advance with close to 88% accuracy.  Big Data can translate into big money for those who are looking at it ...