What is RDF data model?

Posted on by Jessy Collins

What is RDF data model?

What is RDF? ΒΆ The Resource Description Framework, more commonly known as RDF, is a graph data model that formally describes the semantics, or meaning of information. It also represents metadata, that is, data about data. RDF consists of triples.

What is RDF used for?

The Resource Description Framework (RDF) is a general framework for representing interconnected data on the web. RDF statements are used for describing and exchanging metadata, which enables standardized exchange of data based on relationships. RDF is used to integrate data from multiple sources.

Is RDF a database?

The RDF triplestore is a type of graph database that stores semantic facts. RDF, which stands for Resource Description Framework, is a model for data publishing and interchange on the Web standardized by W3C. Being a graph database, triplestores store data as a network of objects with materialized links between them.

What is RDF standard?

RDF stands for Resource Description Framework and is a standard for describing web resources and data interchange, developed and standardized with the World Wide Web Consortium (W3C).

Is RDF a schema?

RDF Schema is a semantic extension of RDF. It provides mechanisms for describing groups of related resources and the relationships between these resources.

How is RDF data stored?

RDFStore implements a generic hashed data storage that allows to serialise RDF models, resources, properties and property values either to disk or in-memory data structures. It does support several different persistent storage models such as SDBM, BerkeleyDB (standard and Sleepycat) and DBMS.

What are three types of RDF explain?

5.3 Reification Vocabulary

  • 1 rdf:Statement. rdf:Statement is an instance of rdfs:Class.
  • 2 rdf:subject. rdf:subject is an instance of rdf:Property that is used to state the subject of a statement.
  • 3 rdf:predicate. rdf:predicate is an instance of rdf:Property that is used to state the predicate of a statement.
  • 4 rdf:object.

What is the difference between XML and RDF?

The main difference: XML is a syntax while RDF is a data model. RDF has several syntaxes (Turtle, N3, etc) and XML is one of those (known as RDF/XML). Actually, RDF/XML is the only W3C standard syntax for RDF (Currently, there is Last Call on Turtle, a new W3C standard syntax for RDF).