Security requirements of online library

Network book management system, security requirements:

1, this system is used by librarians to manage books, so no one except librarians is allowed to use this system.

2. The system has three levels: general administrator, senior administrator and system administrator, which are used to manage books of different levels.

3. Unregistered personnel can't enter the system to manage books, which ensures the security and confidentiality of book management.

The network environment has a profound impact on the construction of information resources in network libraries. Real collection construction, network information resources development and virtual collection construction. Since the new millennium, the network has promoted important changes in the resource structure of libraries. The network library transcends the traditional concept of literature, including traditional literature, electronic publications, network information and other information resources. The goal of information resource construction of network library is resource sharing.

1, information resource construction, is a variable noun. With the change of network environment, the collection determines the collection supplement, collection construction, literature resources construction and information resources construction.

2. The change of network environment determines the type of information resources. There are five kinds of document carriers in network libraries: printed, audio-visual, machine-readable, CD-ROM and network. CD is called the literature carrier revolution. According to the distribution of information resources, there are real collections and virtual collections. Virtual collection refers to the information resources outside the library that the library has no ownership, but has the right to use, and can be obtained with or without compensation through the computer network.

3. The greening of online library information resources, its systematization, integrity and authority, and the improvement of the collection rate of electronic publications depend on a perfect bibliographic database.

5. Fully develop the massive information on the Internet, standardize the disordered state of resources, and download and organize online information resources.

6. Purchase or lease the right to use the online retrieval database. Online search, contract payment, remote login and online utilization.

The development trend of network library and virtual collection information resources;

1. Develop retrieval software to integrate virtual library resources.

2. Expose it in OPAC.

3. Establish different forms of electronic resource navigation systems.