Research on the development of moral education in universities in the era of big data 并列题名：Research on the development of moral education in universities in the era of big data Research on the development measures of digital economy in the era of big data Research on the protection of information fairness in the era of big data Research on the construction of personal information protection system in the era of big data a creative research on moral education in universities in the new era Research on the development of non-profit private universities and colleges in China research on the development of urban-rural integration in the new era Innovation and development of library service system in the era of big data Research on Chinese government information sharing mechanism in the era of big data