Patent ID: 8738409

Claim:
A computer-implemented method comprising: receiving updated ticket inventory information from a plurality of sellers for multiple event listings at a network-based system; processing, in parallel and electronically by one or more hardware processors, the updated ticket information from at least two of the plurality of sellers; categorizing, electronically by one or more hardware processors, the updated ticket inventory information from the sellers by event; prioritizing, electronically by one or more hardware processors, event categories comprising updated ticket inventory information in accordance with a prioritization policy, wherein updated ticket inventory information for an event received between a first date based on an on-sale date of the event and a second date based on a date of the event is prioritized lower than updated ticket inventory information received earlier than the first date or later than the second date; and processing, electronically by one or more hardware processors, a prioritized event category comprising updated ticket inventory information for a particular event listing out-of-order with respect to one or more other event categories comprising previously-received updated ticket inventory information for other event listings; wherein processing the prioritized event category comprising updated ticket inventory information comprises updating actual ticket inventory for the sellers so that published ticket listings reflect the updated actual ticket inventory available for sale by the sellers.