RDF Browser

RDF Browser is a Firefox Add-on that requests RDF files and renders RDF files as Turtle documents with clickable links.

The Add-on is released and maintained by the Chair of Technical Information Systems at Friedrich-Alexander-University Erlangen-Nürnberg.

Installation

Installing from the Firefox Add-ons Website

The easiest way to add the Add-on to your Firefox browser is to install it directly from the Firefox Add-ons Website:

https://addons.mozilla.org/en-US/firefox/addon/rdf-browser

If the Add-on was successfully installed, documents such as the following should be rendered as a clickable Turtle document:

• https://www.w3.org/1999/02/22-rdf-syntax-ns
• http://dublincore.org/specifications/dublin-core/dcmi-terms/dublin_core_terms.ttl
• http://dbpedia.org/resource/Resource_Description_Framework

Installing from Sources

To install the Add-on directly from sources, clone this repository, build the project (see below), and then follow the instructions on the following page:

https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/Temporary_Installation_in_Firefox

Short Summary:

• Go to about:debugging
• Click This Firefox
• Click Load Temporary Add-On
• Select the manifest.json file from the Add-on directory

Build

To build the project, run the following:

$ npm install
$ npm run build

User Advice

• To customize the Add-on behavior and the output style, go to the options page at about:addons
• To see the raw format of any rendered RDF file, click Ctrl + U.

Changelog

Version 1.2.3

• Fixed floating point numbers in HTTP accept header

Version 1.2.2

• Minor bug fixes

Version 1.2.1

• Improved consideration of 303 URIs
• Added support for different serializations in editor mode
• Added support for HTTP CRUD methods in editor mode

Version 1.2.0

• New interactive editor mode
• Linked Data Principles conformance check
• Crawler functionality
• Usability improvements

Version 1.1.7

• Added intelligent base prefix inclusion
• Fixed handling of relative URIs
• Improved error page

Version 1.1.6

• Improved error handling
• Error reporting functionality

Version 1.1.5

• Added quick actions menu
• Fixed cookie handling on URL redirect
• Added support for legacy content-type text/n3

Version 1.1.4

• Support of Turtle inline blank node syntax
• Support of Turtle list syntax
• Performance improvement

Version 1.1.3

• Restructured codebase
• Implemented CI pipeline
• Updated JSON-LD parser

Version 1.1.2

• Fixed redirection problems
• Minor bug fixes

Version 1.1.1

• Automatic handling of redirection responses
• Minor bug fixes

Version 1.1.0

• Blacklist and whitelist support for URIs and domains
• Address bar button for convenient addition and removal of pages from blacklist and whitelist
• Option to display the Turtle output using content scripts

Version 1.0.4

• Minor bug fixes
• Improved error reporting

Version 1.0.3

• Clickable blank nodes
• Consideration of file type in addition to content-type
• Improved syntax highlighting

Version 1.0.2

• Syntax highlighting for Turtle output
• Options page to customize Add-on behavior and output style

Version 1.0.1

• Bug fixes concerning blank node and prefix labeling
• Inclusion of popular prefixes in output
• Prevention of XHR interference and content-length limit (10 MB)
• Refactoring of triplestore for performance increase

Credits

The Add-on uses the following libraries for parsing and serializing RDF files:

• N3.js (Turtle, TriG, Notation3, N-Triples, N-Quads)
• jsonld-streaming-parser (JSON-LD)
• jsonld-streaming-serializer (JSON-LD)
• rdfxml-streaming-parser (RDF/XML)

This work was partially funded by the German Federal Ministry of Education and Research through the MOSAIK project (grant no. 01IS18070A).