Text extracts from: BBC Internet Blog
http://www.bbc.co.uk/blogs/bbcinternet/semantic_web/

Category:
All keywords-> natural_language
Keyword extractions for this category:

http://www.bbc.co.uk/blogs/bbcinternet/2010/07/bbc_world_cup...
A natural language and ontological determiner process automatically extracts World Cup concepts embedded within a textual representation of a story....