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    • 4. 发明申请
    • Search Change Model
    • 搜索变更模型
    • US20120084125A1
    • 2012-04-05
    • US13252479
    • 2011-10-04
    • David Xi-Kuan ChanOri GershonyJames R. KoehlerAndrei PascoviciJian L. SilversteinYuan Yuan
    • David Xi-Kuan ChanOri GershonyJames R. KoehlerAndrei PascoviciJian L. SilversteinYuan Yuan
    • G06Q30/02
    • G06Q30/0241
    • Systems, methods and computer program products for determining lost opportunities resulting from changes to advertising spending are described. To assist advertisers in evaluating and allocating a proper budget to advertising, an analyzer can be used to develop an analytical model that gathers data pertaining to the incremental value of search advertising. (e.g., the true cost of the additional click lost or gained), which can be presented to the advertisers when changes have been made/proposed to the advertiser's advertising spending. The analyzer can detect large changes in advertising spending, and indicate (e.g., by prediction) how many total clicks were lost or gained as a result of the change in advertising spending to allow the advertisers to visualize the impact to changes in advertising spending, and determine when to decrease advertising budget on ads that yield low return-on-investment or to increase advertising budget to maximize the effectiveness of an active ad campaign.
    • 描述了用于确定由广告支出变化导致的失去机会的系统,方法和计算机程序产品。 为了帮助广告客户评估和分配适当的广告预算,分析器可用于开发收集与搜索广告增量价值有关的数据的分析模型。 (例如,额外点击丢失或获得的真实成本),当广告客户的广告支出进行更改/提出后,可以向广告客户显示。 分析仪可以检测广告支出的巨大变化,并指出(例如,通过预测)由于广告支出变化导致的广告点击次数损失或获得的总点击数量,允许广告客户将广告支出变化的影响视为可视化; 确定何时降低投资回报率低的广告的广告预算,或增加广告预算以最大限度地提高有效广告系列的有效性。
    • 5. 发明授权
    • Multilevel screening for color laser printer
    • 彩色激光打印机多层次筛选
    • US06185008B2
    • 2001-02-06
    • US09430419
    • 1999-10-29
    • Joseph ShuAndrei PascoviciChia-Hsin Li
    • Joseph ShuAndrei PascoviciChia-Hsin Li
    • H04N1405
    • H04N1/4057H04N1/40087
    • Tone reproduction of an image is improved by the use of error diffusion or dithering in the mapping of input pixel values on an input values scale to printer pixel values on a printer values scale, where the input values scale and the printer values scale both have more than two levels, to generate an image where a spatial average of printer values approximates a spatial average of the corresponding input values, as measured on the printer values scale. To improve the tone reproduction of reduced-resolution images, the printer pixel values are grouped into multi-pixel cells, printer pixel values within each cell are mapped to a font index value, and a font cell corresponding to the index level is printed at the location of the cell. The font set is chosen such that differences in total deposited ink between consecutive font cells is minimized. In the font cell having a font index value of zero all printer pixel values are zero, in the font cell having a font index value of one all printer pixel values are zero except for a single pixel having an isolated-single-pixel cutoff value, and as the font index value of subsequent font cells is incremented a printer pixel value is incremented such that all printer pixel values are zero except for pixels in a line along the scan direction. The final font cell consists of a line of pixels along the scan direction having a full-cell-width printer pixel value, and pixels of zero value elsewhere. The dynamic range of the font set is extended by a linear remapping of font index values.
    • 通过使用误差扩散或抖动将输入像素值映射到打印机值刻度上的打印机像素值,其中输入值缩放和打印机值比例都具有更多的图像,来提高图像的色调再现 以产生图像,其中打印机值的空间平均值近似于相应输入值的空间平均值,如在打印机值尺度上测量的。 为了改善缩小分辨率图像的色调再现,将打印机像素值分组为多像素单元,将每个单元内的打印机像素值映射到字体索引值,并将与索引级别对应的字体单元打印在 单元格的位置 选择字体集,使得连续字体单元之间的总沉积墨的差异最小化。 在字体索引值为零的字体单元中,所有打印机像素值都为零,除了具有孤立单像素截止值的单个像素之外,具有一个全部打印机像素值的字体索引值的字体单元为零, 并且随着随后的字体单元的字体索引值增加,打印机像素值增加,使得除了沿扫描方向的一行中的像素,所有打印机像素值都为零。 最终的字体单元由沿着扫描方向的一行像素组成,具有全小区宽度的打印机像素值,以及零值的像素在别处。 通过字体索引值的线性重新映射来扩展字体集的动态范围。
    • 6. 发明授权
    • Classifying changes to resources
    • 分类资源更改
    • US08607140B1
    • 2013-12-10
    • US12973977
    • 2010-12-21
    • Andrei PascoviciXiaodong FuTheodore VassilakisZhen Lin
    • Andrei PascoviciXiaodong FuTheodore VassilakisZhen Lin
    • G06F17/00
    • G06F17/3089
    • Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for classifying changes to resources. In one aspect, a method includes obtaining a first version of a resource. The method includes obtaining a second version of the resource, the second version representing a change to the first version of the resource. The method includes determining feature data that describes changes from the first version to the second version. The method includes creating a feature vector from the feature data. The method includes providing the feature vector to a support vector machine, the support vector machine trained to classify the second version of the resource as having one of changes requiring a change notification or changes not requiring a change notification. The method includes classifying the second version as requiring a change notification or not requiring a change notification based on output from the support vector machine.
    • 方法,系统和装置,包括在计算机存储介质上编码的计算机程序,用于对资源进行分类。 一方面,一种方法包括获得资源的第一版本。 该方法包括获得资源的第二版本,第二版本表示对资源的第一版本的改变。 该方法包括确定描述从第一版本到第​​二版本的改变的特征数据。 该方法包括从特征数据创建特征向量。 所述方法包括向支持向量机提供特征向量,所述支持向量机被训练为将所述资源的第二版本分类为具有需要改变通知的改变之一或不需要改变通知的改变。 该方法包括根据来自支持向量机的输出将第二版本分类为需要更改通知或不需要改变通知。
    • 7. 发明授权
    • Identifier mapping from joined data
    • 从连接数据的标识符映射
    • US08364682B1
    • 2013-01-29
    • US13101213
    • 2011-05-05
    • Ori GershonyWei ZhengAndrei PascoviciTim Hesterberg
    • Ori GershonyWei ZhengAndrei PascoviciTim Hesterberg
    • G06F7/00
    • G06F17/30867G06Q30/02
    • Methods, systems, and apparatus, for refining log file join data. In one aspect, a method includes receiving first join data defining first joins of records in a first log file to records in a second log file. Each first join of a record in the first log file to a record in the second log file is based on an association of the first identifier of the record in the first log file to the second identifier of the record in the second log file. Associations of the first identifiers to the second identifiers in the first join data that meet a confidence threshold are stored in a mapping of first identifiers to second identifiers as a mapped association. For each mapped association, records that include the first identifier from the first log file are associated with records that include the second identifier from the second log file.
    • 方法,系统和设备,用于优化日志文件连接数据。 在一个方面,一种方法包括接收定义第一日志文件中记录的第一连接的第一连接数据以在第二日志文件中记录。 将第一日志文件中的记录的第一次连接记录到第二日志文件中的记录是基于第一日志文件中的记录的第一标识符与第二日志文件中记录的第二标识符的关联。 第一标识符与满足置信阈值的第一连接数据中的第二标识符的关联被存储在作为映射关联的第一标识符到第二标识符的映射中。 对于每个映射的关联,包括来自第一日志文件的第一标识符的记录与包括来自第二日志文件的第二标识符的记录相关联。
    • 8. 发明授权
    • Automatic identification of telephone callers based on voice characteristics
    • 基于语音特征自动识别电话呼叫者
    • US07231019B2
    • 2007-06-12
    • US10777322
    • 2004-02-12
    • Andrei Pascovici
    • Andrei Pascovici
    • H04M1/64
    • G10L17/12G10L17/04G10L17/16
    • A method and apparatus are provided for identifying a caller of a call from the caller to a recipient. A voice input is received from the caller, and characteristics of the voice input are applied to a plurality of acoustic models, which include a generic acoustic model and acoustic models of any previously identified callers, to obtain a plurality of respective acoustic scores. The caller is identified as one of the previously identified callers or as a new caller based on the plurality of acoustic scores. If the caller is identified as a new caller, a new acoustic model is generated for the new caller, which is specific to the new caller.
    • 提供了一种方法和装置,用于识别从呼叫者到接收者的呼叫的呼叫者。 从呼叫者接收到语音输入,并且语音输入的特征被应用于包括任何先前识别的呼叫者的通用声学模型和声学模型的多个声学模型,以获得多个相应的声学分数。 呼叫者被识别为基于多个声学得分的先前识别的呼叫者之一或作为新的呼叫者。 如果呼叫者被识别为新的呼叫者,则为新的呼叫者生成新的呼叫者声学模型,这是新的呼叫者所特有的。
    • 9. 发明授权
    • Multilevel screening for color laser printer
    • 彩色激光打印机多层次筛选
    • US6097502A
    • 2000-08-01
    • US938927
    • 1997-10-02
    • Joseph ShuAndrei PascoviciChia-Hsin Li
    • Joseph ShuAndrei PascoviciChia-Hsin Li
    • B41J2/52B41J2/44H04N1/40H04N1/405H04N1/407
    • H04N1/4057H04N1/40087
    • Tone reproduction of an image is improved by the use of error diffusion or dithering in the mapping of input pixel values on an input values scale to printer pixel values on a printer values scale, where the input values scale and the printer values scale both have more than two levels, to generate an image where a spatial average of printer values approximates a spatial average of the corresponding input values, as measured on the printer values scale. To improve the tone reproduction of reduced-resolution images, the printer pixel values are grouped into multi-pixel cells, printer pixel values within each cell are mapped to a font index value, and a font cell corresponding to the index level is printed at the location of the cell. The font set is chosen such that differences in total deposited ink between consecutive font cells is minimized. In the font cell having a font index value of zero all printer pixel values are zero, in the font cell having a font index value of one all printer pixel values are zero except for a single pixel having an isolated-single-pixel cutoff value, and as the font index value of subsequent font cells is incremented a printer pixel value is incremented such that all printer pixel values are zero except for pixels in a line along the scan direction. The final font cell consists of a line of pixels along the scan direction having a full-cell-width printer pixel value, and pixels of zero value elsewhere. The dynamic range of the font set is extended by a linear remapping of font index values.
    • 通过使用误差扩散或抖动将输入像素值映射到打印机值刻度上的打印机像素值,其中输入值缩放和打印机值比例都具有更多的图像,来提高图像的色调再现 以产生图像,其中打印机值的空间平均值近似于相应输入值的空间平均值,如在打印机值尺度上测量的。 为了改善缩小分辨率图像的色调再现,将打印机像素值分组为多像素单元,将每个单元内的打印机像素值映射到字体索引值,并将与索引级别对应的字体单元打印在 单元格的位置 选择字体集,使得连续字体单元之间的总沉积墨的差异最小化。 在字体索引值为零的字体单元中,所有打印机像素值都为零,除了具有孤立单像素截止值的单个像素之外,具有一个全部打印机像素值的字体索引值的字体单元为零, 并且随着随后的字体单元的字体索引值增加,打印机像素值增加,使得除了沿扫描方向的一行中的像素,所有打印机像素值都为零。 最终的字体单元由沿着扫描方向的一行像素组成,具有全小区宽度的打印机像素值,以及零值的像素在别处。 通过字体索引值的线性重新映射来扩展字体集的动态范围。