1. A method in a computer system for navigating within a body of data, comprising: receiving a navigation request from a first user; determining that the first user is in a first group of users; based on determining that the first user is in a first group of users, browsing the body of data in response to input from the first user using a first browse graph; receiving a navigation request from a second user; determining that the second user is in a second group of users; and based on determining that the second user is in a second group of users, browsing the body of data in response to input from the second user using a second browse graph distinct from the first browse graph.