Big Data Mining and Decision Analysis Research on Personalized Ser-vice of Gansu Library

At this stage, with the development of Internet technology, big data has occupied a very important position in people's production and life. The library, as a modern information system, has begun to receive high attention from all walks of life. In this paper, first of all, the challenges and individual needs of Gansu Library under big data are analyzed. Secondly, it combs the structure and process of Gansu Library. Finally, it studies the personalized application of big data mining and decision-making in the library.