RDF.rb is a pure-Ruby library for working with Resource Description Framework (RDF) data.

JSON::LD parses and serializes JSON-LD into RDF and implements expansion, compaction and framing API interfaces for the Ruby RDF.rb library suite.

RDF::RDFa is an RDFa reader/writer for Ruby using the RDF.rb library suite.

SPARQL Implements SPARQL 1.1 Query, Update and result formats for the Ruby RDF.rb library suite.

A metadistribution of RDF.rb including a full set of parsing/serialization plugins.

RDF::RDFXML is an RDF/XML reader and writer for the RDF.rb library suite.

Reads HTML Microdata as RDF.

Reasons over RDFS/OWL vocabularies to generate statements which are entailed based on base RDFS/OWL rules along with vocabulary information. It can also be used to ask specific questions, such as if a given object is consistent with the vocabulary ruleset. This can be used to implement SPARQL Ent...

RDF::Tabular processes tabular data with metadata creating RDF or JSON output.

Implements ShExC and ShEx JSON.

Implements the W3C Linked Data Patch Format and operations for RDF.rb. Makes use of the SPARQL gem for performing updates.

RDF.rb extension for parsing/serializing TriX data.

SHACL is an Shape Constraint engine for the Ruby RDF.rb library suite.

YAML_LD parses and serializes YAML-LD into RDF and implements expansion, compaction and framing API interfaces for the Ruby RDF.rb library suite.

YAML_LD parses and serializes YAML-LD into RDF and implements expansion, compaction and framing API interfaces for the Ruby RDF.rb library suite.

Extracts concepts for a given URI from the Alchemy API (http://www.alchemyapi.com/)

oBIX parser

The OpenBEL API provides a RESTful API over HTTP to manage BEL knowledge.

RDF::CSV processes tabular data with metadata creating RDF or JSON output.

Implements a Linked Data Platform domain model, Rack middleware for server implementers, and a simple Sinatra-based server for RDF.rb