The second part discusses the main technology that is used in the design of the system of network-based interactive and intelligent reference service, including intelligent retrieval technology, intelligent agent, Coach system and push technology.

• 第二部分讨论了设计基于网络的交互式智能化系统时所借鉴的主要技术，包括智能检索系统处理技术、智能代理、Coach系统和推送技术。