WebTools Data Catalog Vocabulary ( DCAT) is an RDF vocabulary designed to facilitate interoperability between data catalogs published on the Web. By using DCAT to describe datasets in catalogs, publishers increase discoverability and enable applications to consume metadata from multiple catalogs. WebMar 3, 2012 · RDF Schema (RDFS) is a language for writing ontologies. An ontology is a model of (a relevant part of) the world, listing the types of object, the relationships that connect them, and constraints on the ways that objects and relationships can be combined. A simple example of an ontology (though not written in RDFS syntax):
RDF Vocabulary Description Language 1.0: RDF Schema
WebFeb 4, 2004 · The FOAF Vocabulary Like any well-behaved vocabulary FOAF publishes both its schema and specification at its namespace URI: http://xmlns.com/foaf/0.1. The documentation is thorough and includes definitions of all classes and properties defined in the associated RDF schema. Web我正在 RDF 中創建材料集合。 我遇到過兩種處理度量單位的方法: 通過將描述性名稱鏈接到 RDF 屬性: 使用現有的本體庫,例如度量單位的本體。 分配單位要復雜得多,因為它涉及創建多個對象。 請參閱下面我如何為材料分配相同的密度: adsbygoogle window.adsbygoogle .p cm chicken boba
How should I define my own restricted types in an RDF vocab?
The vocabulary defined by the RDF specification is as follows: rdf:XMLLiteral the class of XML literal values rdf:Property the class of properties rdf:Statement the class of RDF statements rdf:Alt, rdf:Bag, rdf:Seq containers of alternatives, unordered containers, and ordered containers (rdfs:Container is a super-class of the three) rdf:List the class of RDF Lists rdf:nil an instance of rdf… WebMar 15, 2014 · The RDF 1.1 specification consists of a suite of W3C Recommendations and Working Group Notes, published in 2014. This suite also includes an RDF Primer. See also Tim Berners-Lee’s writings on Web Design Issues, including Metadata Architecture. WebThe Resource Description Framework (RDF) is a general-purpose language for representing information in the Web. This specification describes how to use RDF to describe RDF vocabularies. This specification defines a vocabulary for this purpose and defines other built-in RDF vocabulary initially specified in the RDF Model and Syntax Specification. cad lighting tutorial