With the speedy growth of information quantity, people need a mechanis
m to discover automatically the information that interests them. Such
a mechanism is called selective dissemination of information (SDI). De
scribes the design and implementation of an SDI system with the abilit
y of delivering real-time, personalized news articles. In addition to
delivering English news, it delivers Chinese articles also. Focuses on
the problems that other researches seldom address. First, discusses h
ow to store and delete news articles efficiently, then describes the u
ser model to let users specify their interests. Finally, presents an e
fficient method to embed the ability to deliver Chinese as well as Eng
lish news articles in the system.