There are two kinds of "digital libraries" in a broad sense: digital libraries and digital libraries. The former refers to the management and service system platform for providing e-books, while the latter is mainly the operating platform for the library to scan, OCR or record and correct paper books, both of which contain the basic business processes of the library.

Li, Niu Yan, editor in chief. Computer network basic practice course. Science Press, 2007+02.