Abstract: Systems and methods facilitating electronic signatures (E-Signatures) are provided. Multiple E-Signatures can be provided to electronic documents through a simple command, such as a selection of a single graphical element. A user's signatures, initials, or other identifier can be added to the electronic document in the appropriate fields upon receipt of the appropriate command or command set from the user.

Abstract: A facility procuring information about a distinguished property from a user knowledgeable about the distinguished property that is usable to refine an automatic valuation of the distinguished property is described. The facility displays information about the distinguished property used in the automatic valuation of the distinguished property. The facility obtains user input from of the user adjusting at least one aspect of information about the distinguished property used in the automatic valuation of the distinguished property. On a later the day, facility displays to the user a refined valuation of the distinguished property that is based on the adjustment of the obtained user input.

Abstract: A facility for estimating a value relating to an occurrence is described. The facility receives a first occurrence specifying a first value for each of a plurality of independent variables that include a distinguished independent variable designated to be monotonically linked to a dependent variable. The facility subjects the first independent variable values specified by the received occurrence to a statistical model to obtain a first value of the dependent variable. The facility receives a second occurrence specifying a second value for each of the plurality of independent variables (the second values varying from the first values in a first direction). The facility subjects the second independent variable values to the statistical model to obtain a second value of the dependent variable, the second value of the dependent variable being guaranteed not to vary from the first value of the dependent variable in a second direction opposite the first direction.

Abstract: A facility for adjusting a display of a result of searching a property database is described. The facility, after displaying a list of properties satisfying a search filter, allows a user to specify property attributes the values of which are not currently shown for the properties, and redisplays the list of properties by additionally showing the values of those property attributes for the properties.

Abstract: A facility for presenting advertising messages on behalf of multiple advertisers is described. The facility determines allocations that each specify a share for an advertiser, the specified shares all being different. The facility causes advertising messages to be presented on behalf of the advertisers in accordance with the shares specified by their allocations.

Abstract: A facility for computing a combined view that superimposes a graphic image representing lots onto a reference map is described. The facility identifies a set of distinguishing features in the graphic image and a set of distinguishing features in the reference map. These sets are used to compute a set of common distinguishing features using various techniques, such a cross-referencing. The facility then computes a combined view of the graphic image of lots and the reference map using the set of common distinguishing features. The facility further determines geographic coordinates of location markers on the graphic image scaled to the reference map.

Abstract: A facility for representing a set of items each potentially having a value for each of a group of attributes is described. The items are represented in a database made up of two or more discrete components. Each component corresponds to a proper subset of group of attributes, and represents for every item of the set the values of its proper subset of attributes. Every component is organized such that data items are represented within it in the same order.

Abstract: A facility for determining a market rental rate for a distinguished home located in a distinguished geographic area is described. The facility receives home attributes for the distinguished home. The facility obtains a market rental rate for the distinguished home by applying to the received home attributes a valuation model for homes in the distinguished geographic area that has been trained using rental listing price and home attribute data from homes recently listed for rental in the distinguished geographic area. The facility reports the obtained market rental rate for the distinguished home.

Abstract: A facility for estimating the cost of a remodeling project is described. The facility accesses a project cost model that predicts project costs determined from a photograph based upon project characteristics. The facility applies the access project cost model to characteristics of a distinguished project to obtain an estimated cost. The facility causes the obtained estimated cost to be displayed.

Abstract: A facility for determining a market rental rate index for homes located in a distinguished geographic area is described. The facility accesses a current market rental rate attributed to substantially every home in the named geographic area based on automatically comparing the attributes of each home to attributes of homes recently listed for rental in the named geographic area. The facility then applies an aggregation function to the accessed current market rental rates to obtain an aggregation result. The facility causes to be displayed a characterization of the current market rental rate of homes in the named geographic area that is based on the aggregation result.

Abstract: A facility for valuing a distinguished home located in a distinguished geographic area is described. The facility receives home attributes for the distinguished home. The facility obtains valuation for the distinguished home by applying to the received home attributes evaluation model for homes in the distinguished geographic area that has been trained using selling price and home attribute data from homes recently sold in the distinguished geographic area. The facility reports the obtained valuation for the distinguished home.

Abstract: A facility for valuing a distinguished home located in a distinguished geographic area is described. The facility receives home attributes for the distinguished home. For each of a plurality of valuation sub-models, the facility applies the valuation sub-model to the received home attributes to obtain a sub-model valuation for the distinguished home. The facility further applies a meta-model to the record home attributes to obtain a relative weighting factor for each sub-model. The facility then uses the obtained relative weighting factors to combine the sub-model valuations to obtain an overall valuation for the distinguished home. The facility reports the obtained valuation for the distinguished home.

Abstract: A facility for representing a set of items each potentially having a value for each of a group of attributes is described. The items are represented in a database made up of two or more discrete components. Each component corresponds to a proper subset of group of attributes, and represents for every item of the set the values of its proper subset of attributes. Every component is organized such that data items are represented within it in the same order.

Abstract: A facility for valuing a distinguished home located in a distinguished geographic area is described. The facility receives home attributes for the distinguished home. The facility obtains valuation for the distinguished home by applying to the received home attributes evaluation model for homes in the distinguished geographic area that has been trained using selling price and home attribute data from homes recently sold in the distinguished geographic area. The facility reports the obtained valuation for the distinguished home.

Abstract: A facility procuring information about a distinguished property from a user knowledgeable about the distinguished property that is usable to refine an automatic valuation of the distinguished property is described. The facility displays information about the distinguished property used in the automatic valuation of the distinguished property. The facility obtains user input from of the user adjusting at least one aspect of information about the distinguished property used in the automatic valuation of the distinguished property. On a later the day, facility displays to the user a refined valuation of the distinguished property that is based on the adjustment of the obtained user input.

Abstract: A facility for valuing a distinguished home located in a distinguished geographic area is described. The facility receives home attributes for the distinguished home. The facility obtains valuation for the distinguished home by applying to the received home attributes evaluation model for homes in the distinguished geographic area that has been trained using selling price and home attribute data from homes recently sold in the distinguished geographic area. The facility reports the obtained valuation for the distinguished home.

Abstract: A facility procuring information about a distinguished property from a user knowledgeable about the distinguished property that is usable to refine an automatic valuation of the distinguished property is described. The facility displays information about the distinguished property used in the automatic valuation of the distinguished property. The facility obtains user input from the user adjusting at least one aspect of information about the distinguished property used in the automatic valuation of the distinguished property. On a later day, facility displays to the user a refined valuation of the distinguished property that is based on the adjustment of the obtained user input.

Abstract: A facility for representing a set of items each potentially having a value for each of a group of attributes is described. The items are represented in a database made up of two or more discrete components. Each component corresponds to a proper subset of group of attributes, and represents for every item of the set the values of its proper subset of attributes. Every component is organized such that data items are represented within it in the same order.

Abstract: A facility for valuing a distinguished home located in a distinguished geographic area is described. The facility receives home attributes for the distinguished home. For each of a plurality of valuation sub-models, the facility applies the valuation sub-model to the received home attributes to obtain a sub-model valuation for the distinguished home. The facility further applies a meta-model to the record home attributes to obtain a relative weighting factor for each sub-model. The facility then uses the obtained relative weighting factors to combine the sub-model valuations to obtain an overall valuation for the distinguished home. The facility reports the obtained valuation for the distinguished home.

Abstract: A facility for summarizing a set of data points each having a geographic location is described. The facility specifies the display of a map showing a geographic area the specified by a user. The facility identifies a number of geographic regions in the geographic area that are of a type that is automatically selected by the facility in response to the identity of the geographic area. The map indicates, for a least one of the identified geographic regions, information that summarizes one or more aspects of the data points of the set that have geographic locations contained in the identified geographic region.