SlyOldDog - 4:32 pm on Sep 30, 2002 (gmt 0)

Pagerank is 1 dimensional.

Bring 2 themes into play and you have 2 dimensions (i.e. an x and a y axis); 3 themes and 3 dimensions (x,y,z)etc.

To develop real themed pagerank you would need thousands of dimensions. I wouldn't like to be the programmer who has to implement that!

It's much more likely that they will continue with 1 dimensional pagerank and use keywords and links to track down the theme. Of course it means Google will never really offer true theming.

Another way to do theming would be to use the library numbering system. This might have more potential than themed pagerank.