RDF 简介

RDF 命名空间

RDF 命名空间 (xmlns:rdf):

http://www.w3.org/1999/02/22-rdf-syntax-ns#

RDFS 命名空间 (xmlns:rdfs ):

http://www.w3.org/2000/01/rdf-schema#

RDF 扩展名和 Mime 类型

RDF 文件的推荐扩展名是 *.rdf。不过,*.xml 常用于提供对老式 XML 解析器的兼容性。

已注册的 MIME 类型是 "application/rdf+xml"。

RDFS / RDF 类

Element Class of Subclass of
rdfs:Class All classes  
     
rdfs:Datatype Data types Class
rdfs:Resource All resources Class
     
rdfs:Container Containers Resource
rdfs:Literal Literal values (text and numbers) Resource
     
rdf:List Lists Resource
rdf:Property Properties Resource
rdf:Statement Statements Resource
     
rdf:Alt Containers of alternatives Container
rdf:Bag Unordered containers Container
rdf:Seq Ordered containers Container
     
rdfs:ContainerMembershipProperty Container membership properties Property
rdf:XMLLiteral XML literal values Literal

RDFS / RDF 属性

Element Domain Range Description
rdfs:domain Property Class The domain of the resource
rdfs:range Property Class The range of the resource
rdfs:subPropertyOf Property Property The property is a sub property of a property
       
rdfs:subClassOf Class Class The resource is a subclass of a class
rdfs:comment Resource Literal The human readable description of the resource
rdfs:label Resource Literal The human readable label (name)  of the resource
rdfs:isDefinedBy Resource Resource The definition of the resource
rdfs:seeAlso Resource Resource The additional information about the resource
rdfs:member Resource Resource The member of the resource
       
rdf:first List Resource  
rdf:rest List List  
rdf:subject Statement Resource The subject of the resource in an RDF Statement
rdf:predicate Statement Resource The predicate of the resource in an RDF Statement
rdf:object Statement Resource The object of the resource in an RDF Statement
rdf:value Resource Resource The property used for values
rdf:type Resource Class The resource is an instance of a class

RDF 属性

Element Domain Range Description
       
rdf:about     Defines the resource being described
rdf:Description     Container for the description of a resource
rdf:resource     Defines a resource to identify a property
rdf:datatype     Defines the data type of an element
rdf:ID     Defines the ID of an element
rdf:li     Defines a list
rdf:_n     Defines a node
rdf:nodeID     Defines the ID of an element node
rdf:parseType     Defines how an element should be parsed
rdf:RDF     The root of an RDF document
xml:base     Defines the XML base
xml:lang     Defines the language of the element content
       
rdf:aboutEach     (removed)
rdf:aboutEachPrefix     (removed)
rdf:bagID     (removed)
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