Systems, methods and computer readable media are for use with databases and selected real estate advertisements presented by search engines in response to input from users. They enable receipt of real estate pass-through data, and automatic determination of : predefined information corresponding with the real estate advertisements; and real estate hotlist queries based thereon and on the real estate pass-through data. They enable sending the real estate hotlist queries to the databases and, in response, determination and receipt of real estate property listing data and market information for presentation to the users. The real estate property listing data and market information are automatically processed to determine a real estate hotlist output for presentation to the users. Thus, the real estate advertisements and the input are used to automatically determine the real estate property listing data and market information for presentation to the users.