Two excellent articles on the Semantic Web. The first gives a great (and current) overview of what is the ‘semantic web’ and what is happening re. new developments. As ‘bottom uppers’ we may be also interested in the views of the second article.
Semantic Web Patterns: A Guide to Semantic Technologies by Alex Iskold
The semantic elephant in the room – Google will settle the “top down vs. bottom up” debate for us by Phil Bradley