The Accoona search engine first launched in 2004 with a proprietary artificial intelligence technology backing its query engine.

The language used to describe the Semantic Web is complicated enough – at a glance, it looks a bit quantum theory-ish, just enough to make your eyes roll back into your head to look for ways to kill themselves – but Tim Berners-Lee, who’s responsible for all those Ws littering your URLs, inspired enough faith that whatever the Semantic Web was, it could be accomplished.