Indeed. However, it's easy to miss the "random-walk" aspect of pagerank if one simply think of it as a recursive relation between inbound and outbound links. O

Indeed. However, it's easy to miss the "random-walk" aspect of pagerank if one simply think of it as a recursive relation between inbound and outbound links. Once you think "random-walk" you can build a whole class of "intentional surfer" model which model surfers seeking particular information.