METHOD FOR MORTGAGE FRAUD DETECTION
First Claim
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1. A method of detecting fraud during a real estate transaction, the method comprising:
- using a computer processor to;
receive an estimated value of a subject real property;
access a database of spatial data, the spatial data comprising real estate prices in a geographic area in which the subject real property is located, the geographic area comprising at least one of the same zip code, city, or county as the subject real property;
generate a first spatial variance by computing ratios corresponding to the accessed real estate prices;
generate a second spatial variance by computing ratios corresponding to the accessed real estate prices; and
compute a spatial distortion based on the first spatial variance and the second spatial variance to indicate a likelihood of fraud.
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Abstract
A method of detection of fraud in a mortgage application: in a computer system, maintaining a database of sales prices of real properties in a geographic area where the property is located; obtaining a valuation history for the property; obtaining historical sales data for similar properties in the geographic area; computing price ratios using these valuation histories; computing a distortion index based on the price ratios, the distortion index indicating the likelihood of a fraudulent valuation.
58 Citations
20 Claims
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1. A method of detecting fraud during a real estate transaction, the method comprising:
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using a computer processor to; receive an estimated value of a subject real property; access a database of spatial data, the spatial data comprising real estate prices in a geographic area in which the subject real property is located, the geographic area comprising at least one of the same zip code, city, or county as the subject real property; generate a first spatial variance by computing ratios corresponding to the accessed real estate prices; generate a second spatial variance by computing ratios corresponding to the accessed real estate prices; and compute a spatial distortion based on the first spatial variance and the second spatial variance to indicate a likelihood of fraud. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method of detecting fraud during a real estate transaction, the method comprising:
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using a computer processor to; receive an estimated value of a subject real property; access a database of spatial data, the spatial data comprising real estate prices in a geographic area in which the subject real property is located, the geographic area comprising at least one of the same zip code, city, or county as the subject real property; generate a set of spatial variances by computing ratios between a plurality of real estate prices of the subject real property and a plurality of real estate prices of properties in the geographic area; compute a spatial distortion based on the set of spatial variances; and produce a distortion ratio score to indicate a likelihood of fraud based on the spatial distortion. - View Dependent Claims (11, 12)
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13. A system of detecting fraud during a real estate transaction, the method comprising:
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a computer processor; and a memory storing program instructions, said program instructions when executed by the computer processor causes the computer processor to; receive an estimated value of a subject real property; access a database of spatial data, the spatial data comprising real estate prices in a geographic area in which the subject real property is located, the geographic area comprising at least one of the same zip code, city, or county as the subject real property; generate a set of spatial variances by computing ratios between a plurality of real estate prices of the subject real property and a plurality of real estate prices of properties in the geographic area; compute a spatial distortion based on the set of spatial variances; and produce a distortion ratio score to indicate a likelihood of fraud based on the spatial distortion. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A method of detecting fraud during a real estate transaction, the method comprising:
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using a computer data processor to; access a database of real property prices in a geographic area in which a subject real property is located; using data from the database or data from a requestor to generate a temporal data set comprising a current yearly real property price for the subject real property and a set of past yearly real property prices for the subject real property; generate from the database a spatial data set comprising a current yearly real property price for real property with similar characteristics as the subject real property and a set of past yearly real property prices for real property with similar characteristics as the subject real property; generate a set of temporal variances; generate a set of spatial variances; compute a spatial distortion based on the set of spatial variances; compute a temporal distortion based on the set of temporal variances; and compute a total distortion by adding the temporal distortion to the spatial distortion.
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Specification