Providing on-line non-downloadable software for use by real estate professionals for the automated valuation of real estate, namely, to collect geograhpically based data that consists of property sales data and property physical attributes that are divided into tracts of land area having common features, also collected are token feature descriptors that are associated with each specific property in the tract wherein the token features are each assigned an index value, wherein the program is operational to produce an automated real property value for a selected property in the tract
Computer and Scientific