Historically, a large number of private libraries have played an important role in preserving cultural classics, spreading culture and assisting in cultivating talents. Bibliometrics statistics also show that among the documents cited by authors, the citation rate of personal books is often the highest. Based on the E-era network environment, people can download all kinds of information related to their work, life and research from the Internet. However, with the accumulation and download of information, effective management is objectively needed. Personal digital library is a tool to collect and manage personal digital information.

Demand for personalized service

Personal digital library has realized the real personalized service. At present, the online resources are too complicated and the content quality is uneven, so users often feel at a loss and at a loss. Many Internet information resources retrieval tools, including public digital libraries, provide a relatively extensive and extensive tool. In principle, all kinds of personalized services it provides are mainly based on mechanical matching, which can only be said to be in the primary stage of personalized services and difficult to meet the real needs of individuals. Personal digital library completely returns the freedom of choosing information, creating knowledge and organizing knowledge to individuals, and realizes complete "personal manufacturing". Therefore, it is an effective way to provide truly personalized service.

public

* * * Supplement to Digital Library

Compared with public digital libraries, personal digital libraries have many unique advantages. It collects a lot of personal data, many of which are not available in public digital libraries. For example: some personal works, e-mail files, photo albums, address books, worksheets and so on. The types and formats of files collected in personal digital libraries can also be varied. For example: text files, HTML files, DOC(WORD) files, WPS files, graphics, and even dynamic pictures, music and other files. The type of "book collection" can be said to be "small and complete". In a word, personal digital libraries can focus on the construction of multi-type, multi-format, multi-language and multi-code information hybrid libraries according to the same theme. Although the library structure is messy, it is really close to personal needs. Therefore, it is necessary to establish a personal digital library and make it a useful supplement to the public digital library. The coordinated development of personal digital library and public digital library is an important development direction to meet the all-round information needs of individuals.