EU protects a database creator if there has been a qualitative or quantitative "substantial investment" in obtaining, verifying, or presenting the content, regardless of creative expression.

In USA copyright requires a minimum degree of original creativity in the selection, coordination, or arrangement of the data.

I think it's a rather grey line to say that Google search results are just facts, but eg maps are copyrightable. There's a rather large amount of effort involved in crawling and ranking the web - the PageRank itself should be copyrightable.