网络时代新闻职业权威受到的挑战使诸多学者开始思考新闻业的边界问题。本文从帕克“新闻作为一种知识类型”的思想出发，将新闻知识领域划分为核心知识领域和外围知识领域，这种空间上的区分有助于更为细致地考察新闻业的边界问题。

Under the context of challenging journalistic authority in Internet space, many scholars begun to think about the issue on journalism boundary. Inspired by Park's "news as a form of knowledge", this article outlines the knowledge areas of journalism: core knowledge areas and outlying areas of knowledge, such division of space helps to examine boundaries of journalism more carefully