Then it describes the PKI system structure and its application in user certificate applied, and carried on introduction to the customer s certificate management, finally, based on the PKI related theories and OpenSSL tool, Modular mode for development is employed, a small-size user certificate management system is simulated and realized.

Research on Models and Methods for Customer Management in Mobile Communication Enterprises;

Research on Manufacturer Customer Management Based on Customer Lifetime Value;

Application research of data mining technology in customer management

Security defect in the Intranet user management system of HIS and its solving model;

Aircraft manufacturing process oriented unified user management system and strategy;

Cluster user management system based on LDAP and AFS;

This article discussed how to improve library users management system, with the developing of digital library resources, in order to improve service and work efficiency.

In the light of the operation situation of E-reading room of univ er sity library, this paper probes into the concrete measures for the security mana gement of library s multimedia reading room under the network environment from a spects of the facility protection, virus prevention, and users management, etc.

Design and Implementation of the People s Bank of China RMB Account Management Information System;