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近年来,人们感受到大数据的来势迅猛,大数据反映舆情和民意。网民在网上产生的海量数据,记录着他们的思想、行为乃至情感。政府通过部署传感器等方式,收集社会环境和政府决策所需信息,医院、学校、银行和企业等机构也都收集和存储了大量的信息。华尔街“德温特资本市场”公司通过分析3.4亿微博账户的留言判断民众情绪,依据人们高兴时买股票、焦虑时抛售股票的规律,决定公司股票的买入或卖出;阿里巴巴集团根据淘宝网上中小企
In recent years, people feel the rapid spread of big data, big data reflect the public opinion and public opinions. Internet users generated massive amounts of data online, recording their thoughts, behaviors and even emotions. By deploying sensors and other means, the government collects information needed for the social environment and government decision-making. Hospitals, schools, banks and enterprises also collect and store a great deal of information. Wall Street “Derwent Capital Markets ” company by analyzing 340 million microblogging account comments to determine public sentiment, according to people happy to buy stocks, the law of selling stocks when anxiety, decide the company’s stock buy or sell; Alibaba Group based on Taobao SMEs