* SWeDe "...OWL editor [and] integrates existing tools like the OWL Validator, Kazuki (OWL to Java code generator), and DumpOnt (Ontology Visualizer)." See also, using Kazuki (requires Jena).
* Introduction to Jena "RDF is increasingly recognized as an excellent choice for representing and processing semi-structured data. In this article, Web Developer Philip McCarthy shows you how to use the Jena Semantic Web Toolkit to exploit RDF data models in your Java applications."
* BRQL "This document describes the Bristol RDF Query Language, or BRQL (pronounced 'burkol'), designed to meet the requirements and design objectives described in the W3C RDF Data Access Working Group (DAWG) document RDF Data Access Use Cases and Requirements (and its working version). This query language is based on RDQL Member Submission."