Theories and methods of intelligent product configuration in the era of big data Research on interpersonal communication in the era of big data 并列题名:Research on interpersonal communication in the era of big data Theory and method of intelligent credit evaluation under big data environment Theoretical exploration of economic innovation in the era of big data Legal protection of financial information in the era of big data Construction and application of intelligent accounting information system based on big data the intelligent enterprise in the era of big data / Copyright operation of network literature in the era of big data