摘要
主要通过分析检索中影响个体用户满意度的用户相关度 ,指出了利用用户模型可以对用户的检索行为、信息需求喜好等进行学习和推导。然后重点阐述了在信息检索过程中 ,用户需求的特点及针对用户建模的方式和学习的方法 。
This article analyzes the users relevance and its influence on the users' satisfaction. It points out the functions of users modeling which can be used to record the personalized information and do modeling based learning and reasoning to find out the preference of users,and places an emphasis on users modeling during the process of information retrieval. It discusses the characteristic of users information requirements and addresses how to build the users modeling and realize the users' demands learning. Finally it gives a brief appraisal on the application of users modeling in the field of personalized information retrieval, also includes the difficulties.
出处
《现代图书情报技术》
CSSCI
北大核心
2002年第6期24-27,共4页
New Technology of Library and Information Service
关键词
用户模型
信息检索
用户学习
机器学习
个性化信息服务
个性化信息检索
Information retrieval Users modeling Users learning Machine learning Personalized information service Personalized information retrieval
