Knowledge represent is an important component in expert system.

知识表达是专家系统的一个重要环节。

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Digital archives scattered among servers around the world house innumerable books, documents, records, photographs and films that collectively represent an outpouring of human knowledge.

数码的档案在全世界的服务器中四处散播，内容涵盖了无数的书籍、文档、记录、照片和电影，它们共同代表了人类知识的流露。

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You express knowledge about an article as assertions and represent the assertions in RDF/XML.

有关一篇文章的知识可以表达为断言，断言可以用 RDF/XML 格式表示。

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These represent the knowledge and experience of many successful business people.

FORBES: Street Smart Disciplines Every Entrepreneur Needs

This involves searching for close, though not exact, matches in the DNA database, in the knowledge that such hits could represent family members of a suspect.

BBC: DNA crime-fighting in UK 'lagging behind', experts say

If James Murdoch's reputation took a further battering today, it was because he was forced to apologise for and deny knowledge of yet more wrong doing - including the covert surveillance of members of the select committee and of lawyers who represent victims of phone hacking by the News of the World.

BBC: James Murdoch 'knows nothing'