In Berners-Lee’s original vision for the semantic web, machine-readable information embedded in a digital object, whether a web page, an image, a video or some other file, so-called meta data, would allow software to potentially understand the meaning and context of the digital object. Although some software currently has a limited understanding of simple meta data, it mostly lies in prototypes and lab environments.
基于1个网页-相关网页
Specify a description to help users decide whether to view the Web page.
指定一个描述以帮助用户决定是否要查看这个web页面。
Listing 18 demonstrates a poor example of a Web page that processes identically - whether the page is called by a GET request or by having a form posted to it.
清单18演示了处理相同web页面的糟糕示例—无论是通过GET请求调用页面还是通过把表单发布到页面中。
An outside source, whether it be a different user or developer, a separate thesaurus, or even a random fact found on someone else's web page, can express mapping information.
外部服务来源，不管它来是自一个不同的用户还是开发者，是来自一个不同的词典还是随机在互联网上发现的某个网页，都能解释映射信息。
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