Patent ID: 8271431

Claim:
A method of determining a land use based regulatory history comprising: crawling a plurality of remote computers over a communications network to build a local database, the plurality of remote computers being known to have land use based regulatory history data associated therewith; storing, in the local database, remote computer identifications associated with each of the plurality of remote computers; retrieving a plurality of real property identifiers from the plurality of remote computers over the communications network based upon the remote computer identifications, each of the plurality of real property identifiers having land use based regulatory history data associated therewith; searching the local database for a given real property based upon a given real property identifier associated therewith to determine which of the plurality of remote computers has land use based regulatory history data available for the given real property; determining whether the land use based regulatory history data available for the given real property is complete; retrieving land use based regulatory history data from another remote computer over the communications network based upon at least one of the retrieved plurality of real property identifiers when the land use based regulatory history data available for the given real property is not complete, wherein the another remote computer has a remote computer identification different from the remote computer identifications associated with each of the plurality of remote computers; and displaying the land use based regulatory history data for the given real property on a display.