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    • 5. 发明授权
    • Evaluating performance of binary classification systems
    • 评估二进制分类系统的性能
    • US08554622B2
    • 2013-10-08
    • US11612004
    • 2006-12-18
    • Richard Tao-Hwa ChowPavel BerkhinElena EnevaBoris KlotsNicolas Eddy MayorazRajesh Girish Parekh
    • Richard Tao-Hwa ChowPavel BerkhinElena EnevaBoris KlotsNicolas Eddy MayorazRajesh Girish Parekh
    • G06Q30/00
    • G06Q30/0248G06Q10/0635G06Q30/0185G06Q30/02
    • Methods and apparatus are described for evaluating a binary classification system operable to classify each of a plurality of events as a first event type or a second event type. At least some of the events of the first event type are independently verifiable with reference to verification data. The binary classification system is susceptible to a first error type in which events of the first event type are classified as the second event type, and a second error type in which events of the second event type are classified as the first event type. Operation of a first configuration of the binary classification system is evaluated with reference to an objective function. The objective function is derived by expressing a number of errors of the second error type in terms of a number of errors of the first error type with reference to the verification data, and by assuming relative proportions of the first and second event types within the plurality of events.
    • 描述了用于评估用于将多个事件中的每一个分类为第一事件类型或第二事件类型的二进制分类系统的方法和装置。 参考验证数据,可以独立地验证第一事件类型的至少一些事件。 二进制分类系统易于将第一事件类型的事件分类为第二事件类型的第一错误类型和将第二事件类型的事件分类为第一事件类型的第二错误类型。 参照目标函数对二进制分类系统的第一配置的操作进行评估。 目标函数是通过参照验证数据表示第一错误类型的错误数量的第二错误类型的错误数,并且假设多个中的第一和第二事件类型的相对比例 的事件。
    • 8. 发明申请
    • System and method for population-targeted advertising
    • 以人口为目标的广告系统和方法
    • US20080028066A1
    • 2008-01-31
    • US11495269
    • 2006-07-27
    • Pavel BerkhinShanmugasundaram RavikumarAndrew TomkinsJohn Anthony Tomlin
    • Pavel BerkhinShanmugasundaram RavikumarAndrew TomkinsJohn Anthony Tomlin
    • G06F15/173
    • G06F17/30702G06F17/30864G06F17/30867G06Q30/02H04L67/02H04L67/20H04L67/306
    • An improved system and method for web destination profiling for online population-targeted advertising is provided. A web destination profiler may be provided for generating web destination profiles. Traffic may be analyzed at a particular web destination in order to understand the population visiting the web destination. The analysis of user traffic, including differentiated clickstream data, may be applied for determining known characteristics of a web destination profile. Moreover, unknown characteristics of a web destination profile may be determined using a variety of techniques including inferring characteristics by modeling traffic flow through other web destinations, estimating characteristics from other web destination profiles by predicting traffic flow through other web destinations, propagating characteristics to a web destination profile by smoothing a joint distribution of characteristics of other web destination profiles, and so forth. Web destination profiles may be used by applications such as an online application for population-targeted advertising.
    • 提供了一种用于在线面向对象广告的Web目标分析的改进的系统和方法。 可以提供web目的地分析器来生成web目的地简档。 可以在特定的网络目的地分析流量,以了解访问网络目的地的人口。 用户流量的分析(包括差分点击流数据)可以被应用于确定web目的地简档的已知特征。 此外,可以使用各种技术来确定web目的地简档的未知特性,包括通过建模通过其他web目的地的业务流来推断特征,通过预​​测通过其他web目的地的业务流来估计来自其他web目的地简档的特征,将特征传播到web 通过平滑其他web目的地简档的特征的联合分布等来实现目的地简档。 Web目标配置文件可能被诸如在线应用程序的应用程序用于针对人口的广告。