Different Approaches to the Semantic Web - O'Reilly Radar

Interesting, but why ignore semantics inferred through machine learning?

I've been thinking a bit more about why I'm more excited about Metaweb's freebase than I have been about previous Semantic Web projects that I've been exposed to.

I think that part of it is the difference in how they capture data about relationships. A good example is Semantic MediaWiki, which Stefano Mazzocchi pointed me to. They capture relations in a very explicit way, in this case, using structured wikitext. For example, as the wikipedia page on Semantic MediaWiki explains, an entry about Berlin might include the wikitext:"