The Semantic Web is beginning to increasingly speak of him with these promoters and detractors. The very rich and interesting article Pirmin Lemberger gives a philosophical point of view which I agree in part.
Would web research suit you fine ? if you interested about a law or health problem, keywords you type in Google answer a lot of informations, althought all of them talking about your problem you have to investigate to find the good answer. This can be improve with specific technics concentrate in on term : semantic web. This concept exist since long time ago and it’s a major aspect for the W3C. Principals spécifications are RDF and OWL.
So why this concept isn’t more used and specifically by search engines ?