Systems and methods are provided for collecting and listing entertainment ticket information from multiple data sources, and facilitating the sales of entertainment tickets over a network. In accordance with one implementation, a computer-implemented method is provided for offering to sell entertainment tickets over a network. The method includes the steps of providing exhibition data importation rules for importing exhibition data, electronically receiving the exhibition data from multiple exhibition data feeds in accordance with the exhibition data importation rules, and electronically eliminating any duplicates from the exhibition data. The method further includes the step of providing, over the network, to a user a listing of entertainment exhibitions in accordance with user-selected or selected criteria, in which the listing provides an option to purchase an exhibition ticket from an entertainment ticket provider. In the method, the exhibition data may include an entertainment identification information, an entertainment exhibition location, and an entertainment exhibition time.