Patent ID: 8555172

Claim:
A method of obtaining a list of resource links indexed by categories, the resource links pointing to resources on a network, the method comprising: receiving, at a server computer, data representing user interactions with resource links from a plurality of clients over the network, the resource links being associated with a plurality of categories; for each user interaction of each category, performing following operations: generating a usage entry in a usage table, wherein each usage entry includes a set of activity parameters including a link identifier (ID) and a user ID identifying a user interacting with a resource link identified by the link ID, analyzing a user's interaction with the resource links placed in said category, including retrieving, from the usage table, the usage entries for resource links within said category, and calculating a user rating for the user in said category; and rating the resource links from the categories, including: retrieving resource links placed within a given category, and rating the retrieved resource links using one or more accumulated sets of activity parameters in the usage table, the resource links' ratings being based on calculated user ratings of a plurality of users who have previously interacted with a resource link within the given category.