1. A method in a computer system for ordering auctions in an electronic environment, the method comprising: storing relevance information for each of a plurality of auctions with respect to a plurality of search terms; receiving selection information for a selected auction of the plurality of auctions when a first user performs a selection action with respect to the selected auction and at least one first search term; updating, by one or more computing systems configured with executable instructions, the relevance information for the selected auction based at least in part upon the received selection information; receiving from a second user a search request including at least one second search term; identifying, by the one or more computing systems, a set of the plurality of auctions that satisfies the received search request using a mapping of auctions to search terms, the mapping including the relevance information for each of the identified auctions with respect to the at least one search term; in response to receiving the search request, ranking, by the one or more computing systems, at least a portion of the identified auctions using the relevance information for each second search term in the search request mapped to at least one of the identified auctions; and providing, by the one or more computing systems, ordered search results corresponding to the ranked auctions for display to the user.