7. A system for providing assertions regarding an item query, the system comprising: at least one data store configured to store assertions, wherein each assertion is representative of at least one search criterion, and wherein the at least one search criterion is determined based at least in part on a previous action of at least one user taken in response to results of a previously executed query, and wherein each assertion is selectable by an additional user to generate a new query based at least in part on modified set of search criteria corresponding to each assertion; and one or more processors in communication with the at least one data store, the one or more processors configured to: receive, from a user computing device, a query including search criteria; determine an assertion of the stored assertions that is relevant to the received query based at least in part on the search criteria; transmit, to the user computing device, a display page including results of the query and the assertion that is relevant to the query; receive a user selection of the assertion, wherein the user selection of the assertion corresponds to a user request to generate a new query based at least in part on modifying the search criteria included within the received query in accordance with the at least one search criterion represented by the assertion; generate the new query based at least in part on modifying the search criteria included within the received query in accordance with the at least one search criterion represented by the determined assertion; and transmit results of the new query to the user computing device.
12. The system of claim 7 , wherein the categorization of the received query is further based at least in part on at least one of past activity of the user computing device, a user profile associated with the user computing device, or acquisition history of a user associated with the user computing device.