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1. 发明授权

US07573952B1 Barycentric coordinate technique for resampling quantized signals 有权
标题翻译：用于重新采样量化信号的重心坐标技术
公开(公告)号：US07573952B1
公开(公告)日：2009-08-11
申请号：US11210570
申请日：2005-08-23
申请人： Sajjit Thampy , Kenny C. Gross , Keith Whisnant
发明人： Sajjit Thampy , Kenny C. Gross , Keith Whisnant
IPC分类号： H04L27/00
CPC分类号： G06F17/18
摘要： One embodiment of the present invention provides a system that resamples a quantized signal. During operation, the system receives the quantized signal. Next, the system smoothes and resamples the quantized signal to produce a resampled signal. The system then quantizes the resampled signal to produce a quantized resampled signal. For a given time point, the system determines a probability distribution for the resampled signal across quantization levels at the given time point by using information about the values of the resampled signal at neighboring time points. Note that the probability distribution specifies the probability that the resampled signal would be sampled at specific quantization levels. The system then uses the probability distribution to probabilistically select a quantization level for the resampled signal for the given time point.
摘要翻译：本发明的一个实施例提供一种重新采样量化信号的系统。在运行期间，系统接收量化信号。接下来，系统平滑和重新采样量化信号以产生重采样信号。然后，系统对重采样信号进行量化以产生量化的重采样信号。对于给定的时间点，系统通过使用关于在相邻时间点的重采样信号的值的信息来确定在给定时间点处跨量化电平的重采样信号的概率分布。注意，概率分布规定了在特定量化级别对采样信号进行采样的概率。系统然后使用概率分布概率地选择给定时间点的重采样信号的量化电平。

2. 发明授权

US07716648B2 Method and apparatus for detecting memory leaks in computer systems 有权
标题翻译：用于检测计算机系统中的内存泄漏的方法和装置
公开(公告)号：US07716648B2
公开(公告)日：2010-05-11
申请号：US11195015
申请日：2005-08-02
申请人： Kalyanaraman Vaidyanathan , Sajjit Thampy , Kenny C. Gross
发明人： Kalyanaraman Vaidyanathan , Sajjit Thampy , Kenny C. Gross
IPC分类号： G06F9/44
CPC分类号： G06F11/3452 , G06F12/023
摘要： A system that identifies processes with a memory leak in a computer system. During operation, the system periodically samples memory usage for processes running on the computer system. The system then ranks the processes by memory usage and selects a specified number of processes with highest memory usage based on the ranking. For each selected process, the system computes a first-order difference of memory usage by taking a difference between the memory usage at a current sampling time and the memory usage at an immediately preceding sampling time. The system then generates a memory-leak index based on the first-order difference and a preceding memory-leak index computed at the immediately preceding sampling time.
摘要翻译：识别计算机系统中内存泄漏的进程的系统。在运行期间，系统会周期性地对运行在计算机系统上的进程进行内存使用。然后，系统通过内存使用对进程进行排序，并根据排名选择具有最高内存使用量的指定数量的进程。对于每个所选择的处理，系统通过取得当前采样时间的存储器使用量与紧接在前的采样时间的存储器使用量之间的差异来计算存储器使用的一阶差。然后，系统基于一阶差异和在紧接在前的采样时间计算的先前的存储器 - 泄漏索引来生成内存泄漏索引。

3. 发明授权

US07542995B2 Method and apparatus for detecting a change-point in a time-series of computer telemetry signals 有权
标题翻译：用于检测计算机遥测信号的时间序列中的变化点的方法和装置
公开(公告)号：US07542995B2
公开(公告)日：2009-06-02
申请号：US11403127
申请日：2006-04-11
申请人： Sajjit Thampy , Kenny C. Gross
发明人： Sajjit Thampy , Kenny C. Gross
IPC分类号： G06F17/30 , G06F7/00
CPC分类号： G06K9/6284 , G06K9/00536 , Y10S707/99942 , Y10S707/99943 , Y10S707/99945 , Y10S707/99948
摘要： A system that detects a change point in a time series of telemetry signals from a computer system. During operation, the system receives the time series of telemetry signals from the computer system. For each element in the time series, the system (1) inserts the element into a data structure which keeps track of the number of elements in the data structure that have a value greater than and that have a value less than the value of the inserted element; and (2) uses the information stored in the data structure to add a contribution by the inserted element to a trend statistic for the time series. The system then uses the trend statistic to select a hypothesis for the trend in the time series.
摘要翻译：检测来自计算机系统的遥测信号的时间序列中的变化点的系统。在运行过程中，系统从计算机系统接收到遥测信号的时间序列。对于时间序列中的每个元素，系统（1）将元素插入到数据结构中，该数据结构跟踪数据结构中具有大于并且具有小于插入的值的值的元素的数量元件; 和（2）使用存储在数据结构中的信息将插入的元素的贡献添加到时间序列的趋势统计量。然后，系统使用趋势统计量为时间序列中的趋势选择假设。

4. 发明授权

US07283984B1 Method and apparatus for optimizing support vector machine kernel parameters 有权
标题翻译：优化支持向量机内核参数的方法和装置
公开(公告)号：US07283984B1
公开(公告)日：2007-10-16
申请号：US11049146
申请日：2005-02-01
申请人： Sajjit Thampy , Aleksey M. Urmanov , Kenny C. Gross
发明人： Sajjit Thampy , Aleksey M. Urmanov , Kenny C. Gross
IPC分类号： G06F17/00 , G06N5/00
CPC分类号： G06K9/6269 , G06N99/005
摘要： One embodiment of the present invention provides a system that optimizes support vector machine (SVM) kernel parameters. During operation, the system assigns sets of kernel parameter values to each node in a multiprocessor system. Next, the system performs a cross-validation operation at each node in the multiprocessor system based on a data set. This cross-validation operation computes an error cost value reflecting the number of misclassifications that arise while classifying the data set using the assigned set of kernel parameter values. The system then communicates the computed error cost values between nodes in the multiprocessor system, and eliminates nodes with relatively high error cost values. Next, the system performs a cross-over operation in which kernel parameter values are exchanged between remaining nodes to produce new sets of kernel parameter values. This process is repeated until a global winning set of kernel parameter values emerges.
摘要翻译：本发明的一个实施例提供一种优化支持向量机（SVM）内核参数的系统。在运行期间，系统会为多处理器系统中的每个节点分配一组内核参数值。接下来，系统基于数据集在多处理器系统中的每个节点处执行交叉验证操作。该交叉验证操作计算反映在使用分配的一组内核参数值对数据集进行分类时出现的错误分类数量的错误成本值。然后，系统在多处理器系统中的节点之间传送计算出的错误成本值，并消除具有相对较高错误成本值的节点。接下来，系统执行交叉操作，其中在剩余节点之间交换内核参数值以产生新的内核参数值集合。重复此过程，直到出现全局获胜的内核参数值集。

5. 发明申请

US20130179239A1 GENERATING A SCORE FOR A COUPON CAMPAIGN 有权
标题翻译：生成优惠券
公开(公告)号：US20130179239A1
公开(公告)日：2013-07-11
申请号：US13345551
申请日：2012-01-06
申请人： Kavel Patel , Sajjit Thampy
发明人： Kavel Patel , Sajjit Thampy
IPC分类号： G06Q30/02
CPC分类号： G06Q30/0211 , G06Q30/0207
摘要： Techniques are provided for generating, by a coupon distributor, a score that represents a quality of a coupon campaign that a coupon provider offers to the coupon distributor. The score may be generated based on the brand of the product, the product category to which the product belongs, the coupon value, and the percentage discount reflected by the coupon. One or more of these factors may be based on historical data that indicates the success (or failure) of previous coupon campaigns (e.g., of the same product, brand, and/or product category, and/or similar coupon value). The coupon distributor uses the score to, e.g., determine whether to accept a proposed coupon campaign, project the number of prints/redemptions of the coupon campaign, determine how to present the coupon, determine an amount to charge for running the coupon campaign, and/or determine products or product categories of coupons to which the coupon distributor should seek.
摘要翻译：技术被提供用于由优惠券分销商生成表示优惠券提供商向优惠券分销商提供的优惠券活动的质量的分数。该分数可以根据产品的品牌，产品所属的产品类别，优惠券价值以及优惠券所反映的百分比折扣来生成。这些因素中的一个或多个可以基于指示先前优惠券活动（例如，相同产品，品牌和/或产品类别和/或类似优惠券价值）的成功（或失败）的历史数据。优惠券经销商使用分数，例如确定是否接受提议的优惠券活动，投影优惠券活动的打印/兑换数量，确定如何呈现优惠券，确定运行优惠券活动的费用金额，以及 /或确定优惠券分销商应寻求的优惠券的产品或产品类别。

6. 发明授权

US08055470B2 Simulated bucket testing 有权
标题翻译：模拟桶测试
公开(公告)号：US08055470B2
公开(公告)日：2011-11-08
申请号：US12031613
申请日：2008-02-14
申请人： Sajjit Thampy , Daniel Ferrante , Amr Awadallah
发明人： Sajjit Thampy , Daniel Ferrante , Amr Awadallah
IPC分类号： G06F17/18
CPC分类号： G06F17/3089
摘要： The subject matter disclosed herein relates to simulation of bucket testing. In a particular implementation, cohort of users associated with a value for an engagement metric may be selected based at least in part on an intersection of first and second probability distributions. Behavior of the first and second groups may be compared based at least in part on the selected cohort of users.
摘要翻译：本文公开的主题涉及铲斗测试的模拟。在特定实现中，可以至少部分地基于第一和第二概率分布的交集来选择与参与度量的值相关联的用户队列。至少部分地基于所选择的用户队列来比较第一组和第二组的行为。

7. 发明申请

US20100070620A1 SYSTEM AND METHOD FOR DETECTING INTERNET BOTS 有权
标题翻译：检测互联网行为的系统和方法
公开(公告)号：US20100070620A1
公开(公告)日：2010-03-18
申请号：US12211606
申请日：2008-09-16
申请人： Amr Awadallah , Sajjit Thampy , Daniel Ferrante
发明人： Amr Awadallah , Sajjit Thampy , Daniel Ferrante
IPC分类号： G06F11/34 , G06F15/16
CPC分类号： G06F11/3485 , H04L63/1425
摘要： Apparatuses, methods, and systems directed to detect Internet bots in communication networks. Some embodiments of the present invention allow an agent of a server to periodically record interaction events on a client system. The recorded interaction events are sent to a server and validated by a statistical test. Some embodiments of the present invention may be used to detect bots using server logs. In other embodiments, an agent of a server is able to detect and validate interaction events on a client system and the server periodically polls the agent to determine whether bots are detected on the client system.
摘要翻译：用于检测通信网络中的互联网机器人的设备，方法和系统。本发明的一些实施例允许服务器的代理在客户端系统上周期性地记录交互事件。记录的交互事件被发送到服务器并通过统计测试来验证。可以使用本发明的一些实施例来检测使用服务器日志的机器人。在其他实施例中，服务器的代理能够检测和验证客户端系统上的交互事件，并且服务器周期性地轮询代理以确定在客户端系统上是否检测到机器人。

8. 发明申请

US20090094311A1 System and Method for Detecting Internet Bots 有权
标题翻译：检测互联网机器的系统和方法
公开(公告)号：US20090094311A1
公开(公告)日：2009-04-09
申请号：US11867096
申请日：2007-10-04
申请人： Amr Awadallah , Sajjit Thampy
发明人： Amr Awadallah , Sajjit Thampy
IPC分类号： G06F15/16
CPC分类号： H04L63/1408 , H04L63/1441
摘要： Apparatuses, methods, and systems directed to detect Internet bots in communication networks. Some embodiments of the invention allow an agent of a server to detect human interaction events on a client system. In other particular embodiments, the systems and methods disclosed below can be used to detect bots using server logs. In some other embodiments, the present invention involves sending an agent to a client system and polling the agent on whether human interaction events are detected on the client system.
摘要翻译：用于检测通信网络中的互联网机器人的设备，方法和系统。本发明的一些实施例允许服务器的代理检测客户端系统上的人类交互事件。在其他特定实施例中，下面公开的系统和方法可用于使用服务器日志检测机器人。在一些其他实施例中，本发明涉及向客户端系统发送代理并轮询代理关于在客户端系统上是否检测到人类交互事件。

9. 发明申请

US20140074649A1 GROCERY RECOMMENDATION ENGINE 审中-公开
标题翻译： GROCERY推荐发动机
公开(公告)号：US20140074649A1
公开(公告)日：2014-03-13
申请号：US13612848
申请日：2012-09-13
申请人： Kavel Patel , Sajjit Thampy
发明人： Kavel Patel , Sajjit Thampy
IPC分类号： G06Q30/00
CPC分类号： G06Q30/0631
摘要： State-based approaches, techniques, and mechanisms are disclosed for recommending items to a user. A method comprises detecting a user state, from a plurality of different enumerated user states, based on items that the user recently selected, and/or location data. Based upon the detected user state, a particular algorithm, from a plurality of algorithms, is selected for recommending items. Information about the recommended items is presented to the user. Responsive to presenting the information about the recommended items, input is received selecting one or more of the recommended items for at least one of: adding to a shopping list, or requesting a coupon. Examples of possible detected user states include a recipe state, a grocery shopping state, and a quick shopping-run state. In an embodiment, state detection occurs at a client device, such as a smartphone featuring a shopping list management application or coupon application. A server-side recommendation engine provides recommendations.
摘要翻译：公开了基于状态的方法，技术和机制来向用户推荐项目。一种方法包括基于用户最近选择的项目和/或位置数据从多个不同的枚举用户状态检测用户状态。基于检测到的用户状态，选择来自多个算法的特定算法来推荐项目。向用户显示有关推荐项目的信息。响应于呈现关于推荐项目的信息，接收到输入选择以下至少一个的推荐项目中的一个或多个：添加到购物清单或请求优惠券。可能检测到的用户状态的示例包括配方状态，杂货购物状态和快速购物状态。在一个实施例中，状态检测发生在客户端设备，例如具有购物清单管理应用或优惠券应用的智能手机。服务器端推荐引擎提供建议。

10. 发明授权

US08280993B2 System and method for detecting Internet bots 有权
标题翻译：检测互联网机器人的系统和方法
公开(公告)号：US08280993B2
公开(公告)日：2012-10-02
申请号：US11867096
申请日：2007-10-04
申请人： Amr Awadallah , Sajjit Thampy
发明人： Amr Awadallah , Sajjit Thampy
IPC分类号： G06F15/173 , G06F15/16
CPC分类号： H04L63/1408 , H04L63/1441
摘要： Apparatuses, methods, and systems directed to detect Internet bots in communication networks. Some embodiments of the invention allow an agent of a server to detect human interaction events on a client system. In other particular embodiments, the systems and methods disclosed below can be used to detect bots using server logs. In some other embodiments, the present invention involves sending an agent to a client system and polling the agent on whether human interaction events are detected on the client system.
摘要翻译：用于检测通信网络中的互联网机器人的设备，方法和系统。本发明的一些实施例允许服务器的代理检测客户端系统上的人类交互事件。在其他特定实施例中，下面公开的系统和方法可用于使用服务器日志检测机器人。在一些其他实施例中，本发明涉及向客户端系统发送代理并轮询代理关于在客户端系统上是否检测到人类交互事件。

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