RDF File Documentation

Overview

Feature Value
Format Type Metadata data format
Primary Use Semantic Web applications
Standardization W3C (World Wide Web Consortium)
MIME Type application/rdf+xml
File Extension .rdf
Serialization Formats RDF/XML, N-Triples, Turtle, JSON-LD and others
Character Encoding UTF-8 preferred
Data Model Directed, labeled graph
Elements Subjects, predicates, objects
Syntax Rules Triple statements (subject-predicate-object)
Query Language SPARQL (SPARQL Protocol and RDF Query Language)
Interoperability High, due to standardized model
Use in Linked Data Foundational technology
Namespaces Support Yes, using IRIs
Resource Identification URIs, especially URLs and URNs
Graph Abstraction Can represent multiple, interconnected resources
Integration with XML Native through RDF/XML format
Extensibility Highly extensible through namespaces
License and Terms of Use Free and open standard
Internationalization Supports various human languages via language tags
Comments in Data Yes, in some serialization formats