摘要
本文对免费信息现象进行了初步的研究 ,给出了免费信息的解释 。
In this paper the free information phenomenon is discussed and it is interpreted from several levels.This paper also pointed out its importance to humen sociaty and its development tendency to the future.
出处
《情报科学》
CSSCI
北大核心
2001年第3期311-313,318,共4页
Information Science
关键词
免费信息
信息商品
信息服务
Free information Information goods Information services
