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    • 10. 发明授权
    • Method and system for automated property valuation adjustment
    • 自动化物业估值调整方法与系统
    • US07788186B1
    • 2010-08-31
    • US11077547
    • 2005-03-09
    • Mark Y. AnLinghua PengHong GaoEric L. Rosenblatt
    • Mark Y. AnLinghua PengHong GaoEric L. Rosenblatt
    • G06Q10/00G06Q99/00
    • G06Q30/06G06Q30/0278G06Q50/167
    • A method and system are provided removing systematic bias from property value predictions obtained using automated property valuation models. The systematic bias is removed by deriving monthly adjustment factors that are location-specific. The monthly adjustment factors are obtained by comparing newly obtained purchase transaction data to model-generated valuations of properties in a base valuation database. The newly obtained purchase transactions may be obtained from newly obtained data on recently completed purchase transactions and loan application data on future purchase transactions. The monthly adjustment factors are applied to the property valuations in the base valuation database to obtain adjusted property values having reduced bias and thus improved accuracy.
    • 提供了一种方法和系统,从使用自动化物业估值模型获得的财产价值预测中消除系统偏差。 通过推导出具体位置的月度调整因子来消除系统偏差。 通过将新获得的购买交易数据与基准估价数据库中的属性的模型生成估值进行比较,可以获得月度调整因子。 新获得的购买交易可以从最近获得的关于最近完成的购买交易的数据和关于未来购买交易的贷款申请数据获得。 月度调整因子适用于基准估值数据库中的物业估值,以获得偏差偏小的调整后的财产值,从而提高准确性。