Digital Web Magazine - Web 2.0 for Designers
Protégé OWL Plugin
The Protégé Ontology Editor and Knowledge Acquisition System
Urchin RSS Aggregator
XML.com: An Introduction to Prolog and RDF
Guía Breve de Web Semántica
The 7 (f)laws of the Semantic Web - O'Reilly XML Blog
ITworld.com - The future of the Web as seen by its creator
Pellet: The Open Source OWL DL Reasoner
eTech/2004/realworldsemantics
An ontology to help transform rdf graphs into solid xml
A very useful rdf search engine. Tells you which pages contain certain urls. very useful for finding out who is talking about you for example
Good article on the semantic web, web 2.0
Semantic wiki startup
company to help data integration using the semantic web
A semantic blogging tool for wordpress
very interesting paper on using Semantic Web and nSpace visualisation to help integrate Nasa's disparate information sources. Also see http://blogs.sun.com/bblfish/entry/mspace_web_2_0_meets
Being worked on by the W3C. Cool. Lot of complex problems being solved here.
A 64 bit rdf database
Semantic Web Services challenge