These slides are at:
http://www.w3.org/2004/Talks/SpanishTour-IH/
Semantic Web homepage:
http://www.w3.org//2001/sw/
More information about W3C:
http://www.w3.org//Consortium/
Spanish Office of W3C:
http://www.w3c.es/
Mail me:
ivan@w3.org