Redland is a set of free software libraries written in C

C (programming language)

C is a general-purpose computer programming language developed between 1969 and 1973 by Dennis Ritchie at the Bell Telephone Laboratories for use with the Unix operating system....

 that provide support for the Resource Description Framework

Resource Description Framework

The Resource Description Framework is a family of World Wide Web Consortium specifications originally designed as a metadata data model...

 (RDF), created by Dave Beckett (a former resident of Redland, Bristol

Redland, Bristol

Redland is an affluent suburb in Bristol, England. The suburb is situated between Clifton, Cotham, Bishopston and Westbury Park. The boundaries of the district are not precisely defined, but are generally taken to be Whiteladies Road in the west, the Severn Beach railway line in the south and...

).

The packages that form Redland are:

• Redland RDF Application Framework providing the C RDF API
• Raptor RDF Parser Toolkit for parsing and serializing RDF syntaxes (RDF/XML, N-Triples
  N-Triples
  N-Triples is a format for storing and transmitting data. It is a line-based, plain text serialisation format for RDF graphs, and a subset of the Turtle format. N-Triples should not be confused with Notation 3 which is a superset of Turtle...
  
  , Turtle
  Turtle (syntax)
  Turtle is a serialization format for Resource Description Framework graphs. A subset of Tim Berners-Lee and Dan Connolly's Notation3 language, it was defined by Dave Beckett, and is a superset of the minimal N-Triples format. Unlike full N3, Turtle doesn't go beyond RDF's graph model...
  
  , RSS
  RSS (file format)
  RSS is a family of web feed formats used to publish frequently updated works—such as blog entries, news headlines, audio, and video—in a standardized format...
  
   tag soup
  Tag soup
  In Web development, "tag soup" refers to formatted markup written for a web page that is very much like HTML but does not consist of correct HTML syntax and document structure...
  
  , Atom
  Atom (standard)
  The name Atom applies to a pair of related standards. The Atom Syndication Format is an XML language used for web feeds, while the Atom Publishing Protocol is a simple HTTP-based protocol for creating and updating web resources.Web feeds allow software programs to check for updates published on a...
  
  )
• Rasqal RDF Query Library for executing RDF queries with RDQL and SPARQL
  SPARQL
  SPARQL is an RDF query language; its name is an acronym that stands for SPARQL Protocol and RDF Query Language. It was made a standard by the RDF Data Access Working Group of the World Wide Web Consortium, and considered as one of the key technologies of semantic web...
  
  
• Redland Language Bindings
  Language binding
  In computing, a binding from a programming language to a library or OS service is an API providing that service in the language.Many software libraries are written in systems programming languages such as C or C++...
  
   for APIs to Redland in C#, Java
  Java (programming language)
  Java is a programming language originally developed by James Gosling at Sun Microsystems and released in 1995 as a core component of Sun Microsystems' Java platform. The language derives much of its syntax from C and C++ but has a simpler object model and fewer low-level facilities...
  
  , Objective-C
  Objective-C
  Objective-C is a reflective, object-oriented programming language that adds Smalltalk-style messaging to the C programming language.Today, it is used primarily on Apple's Mac OS X and iOS: two environments derived from the OpenStep standard, though not compliant with it...
  
  , Perl
  Perl
  Perl is a high-level, general-purpose, interpreted, dynamic programming language. Perl was originally developed by Larry Wall in 1987 as a general-purpose Unix scripting language to make report processing easier. Since then, it has undergone many changes and revisions and become widely popular...
  
  , PHP
  PHP
  PHP is a general-purpose server-side scripting language originally designed for web development to produce dynamic web pages. For this purpose, PHP code is embedded into the HTML source document and interpreted by a web server with a PHP processor module, which generates the web page document...
  
  , Python
  Python (programming language)
  Python is a general-purpose, high-level programming language whose design philosophy emphasizes code readability. Python claims to "[combine] remarkable power with very clear syntax", and its standard library is large and comprehensive...
  
  , Ruby
  Ruby (programming language)
  Ruby is a dynamic, reflective, general-purpose object-oriented programming language that combines syntax inspired by Perl with Smalltalk-like features. Ruby originated in Japan during the mid-1990s and was first developed and designed by Yukihiro "Matz" Matsumoto...
  
   and Tcl
  Tcl
  Tcl is a scripting language created by John Ousterhout. Originally "born out of frustration", according to the author, with programmers devising their own languages intended to be embedded into applications, Tcl gained acceptance on its own...
  
  

Redland is a mature set of libraries, in development since 2000 and closely conformant to the relevant W3C

World Wide Web Consortium

The World Wide Web Consortium is the main international standards organization for the World Wide Web .Founded and headed by Tim Berners-Lee, the consortium is made up of member organizations which maintain full-time staff for the purpose of working together in the development of standards for the...

specifications.

External links

• http://librdf.org/

• http://md.devc.at/internet/semantic-web/rdf/redland-rdf (TM-hub)

• http://kill.devc.at/internet/semantic-web/rdf/redland/tutorial