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Editor to share with you what is the use of RDF in XML mode, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Both semantic Web (Semantic Web) and semantic Grid (Semantic Grid) technologies rely on the flexible description language of Resource description Framework (Resource Description Framework,RDF). The RDF format is actually a member of a standard family. It is used to describe information and resources, making it easy for the system to connect and associate different resources. RDF is another way to pass through W.

Both semantic Web (Semantic Web) and semantic Grid (Semantic Grid) technologies rely on the flexible description language of Resource description Framework (Resource Description Framework,RDF). The RDF format is actually a member of a standard family. It is used to describe information and resources, making it easy for the system to connect and associate different resources.

RDF is another W3C-approved standard for defining information and resources. XML is not required for RDF, but XML is used as a serialization format for describing information.

Defining a resource requires you to specify an expression that contains a subject, predicate, and object. For example, if you describe the content of a website, the subject is the site, the predicate is "contains information", and the object is the type of content. To establish a link between the site and other resources, you can use the Friend of a Friend (FOAF) tag to establish a link between the two resources.

The purpose of RDF is to translate natural language statements about resources and information into a format that can be parsed by machines. For example, you can rewrite the sentence The MCSLP.com Website is authored by Martin C Brown to the RDF XML shown in listing 4.

Listing 4. Statement in RDF XML format

Martin C Brown

Another example of adopting the RDF standard is the early interlocking system provided by news sites and blogs, which use the RDF specification to define feed content and different news. Listing 5 provides an example.

Listing 5. Define feed content and different news using RDF specification

MCslp http://www.php.cn/;/link> MCslp Projects Voice enabling XMLtitle > http://www.php.cn/;...

The RDF standard was originally designed to describe resources, content, and relationships on the Web. But RDF has now become the standard for describing general information, resources, and relationships.

Both semantic Web and grid technologies need to define resources and their relationships so that applications can use different information and tie data together.

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