11. The computer-readable storage device of claim 9 , wherein the providing comprises displaying the navigable visual representation and the generating comprises displaying the statistics.
9. A computer-readable storage device having instructions stored thereon that when executed by a computing device cause the computing device to perform acts, the acts comprising: providing a navigable visual representation of a taxonomy, the navigable visual representation reflecting a plurality of nodes of the taxonomy that have associated publications; generating statistics associated with an individual node of the taxonomy, the statistics reflecting a trend in a number of the publications associated with the individual node in recent years; and facilitating user modification of the taxonomy, the facilitating comprising: determining that the trend indicates that the number of publications associated with the individual node in recent years is increasing; and responsive to determining that the trend indicates that the number of publications associated with the individual node in recent years is increasing, providing, to a user, a suggested modification to split the individual node by adding at least two nodes to the taxonomy as children of the individual node.