Executes SPARQL queries and updates against a remote SPARQL 1.0 or 1.1 endpoint, or against a local repository. Generates SPARQL queries using a simple DSL. Includes SPARQL::Client::Repository, which allows any endpoint supporting SPARQL Update to be used as an RDF.rb repository.

A GROM implementation using a GO native extension for heavy lifting.

Provide a well defined data-structure to ease the interaction between differing layers of a Hydra application.

A Jekyll generator to scan for RDFa-encoded data in posts and dumps the entire graph out to a JSON-LD and Turtle file.

A library for working XML documents conforming the TEI (lbp customized) schema

LD4L FOAF RDF provides tools for modeling a person triples based on the FOAF ontology and persisting to a triplestore.

LD4L Open Annotation RDF provides tools for modeling a annotations based on the Open Annotation ontology and persisting to a triplestore.

LD4L ORE RDF provides tools for modeling list triples based on the ORE ontology and persisting to a triplestore.

Rails engine for Virtual Collection UI

LD4L Works RDF provides tools for modeling a bibliographic works as triples based on multiple ontologies and persisting to a triplestore.

LinkedRails helps you create a Linked Data application in a matter of seconds.

Linked Data Controlled Vocabularies for ActiveFedora::Rdf.

Ruby gem to interface with Apache Marmotta

MExiCo is a library and API for the management of multimodal experimental corpora.

Semantic Web/RDF toolkit for Middleman

Ruby wrapper for the OpenTox REST API (http://www.opentox.org)

Ruby client for the Talis Platform

RDFS.rb is a forward-chaining inference engine that implements the RDF Schema (RDFS) entailment rules.

POSEIdON (short for “Pimp your Objects with SEmantic InformatiON”) is a small library that lets you add RDF information to classes and their instances. It can also add methods as_rdf and to_rdf to those classes and objects that can be used to retrieve RDF representations in various formats, based on the functionality provided by the RDF gem.

A toolkit for publishing scientific results and datasets using RDF, OWL, and related technologies