Patent ID: 7430555

Claim:
A system for transacting retrieval of real estate property listings using a portable computing device, comprising: a real estate property listing database comprising a set of characteristics describing property listings; a portable computing device that maintains a local database comprising at least some of the property listings; a server that maintains the real estate property listing database and for managing a dynamic search session on the personal computing device to automatically update the local database, comprising: a logical communications link for periodically interfacing the portable computing device with the sewer; a search engine for receiving target characteristics at the server; a comparison component for identifying those property listings in the real estate property listing database matching the target characteristics; and a response component for automatically providing the property listings from the real estate property listing database to the local database; and a local server for regularly providing updates to the real estate property listing database to the personal computing device, comprising: a session manager for continuously transacting an access session with the server to identify at least one of a new and changed property listing in the real estate property listing database; and a paging module for sending a notification of the at least one properly listing to the personal computing device.