公开(公告)号：US09894479B2

公开(公告)日：2018-02-13

申请号：US13103098

申请日：2011-05-08

申请人： Saikat Guha ,  Venkata N. Padmanabhan ,  Mudit Jain

发明人： Saikat Guha ,  Venkata N. Padmanabhan ,  Mudit Jain

IPC分类号： H04W8/16 ,  H04W4/02

CPC分类号： H04W4/023 ,  H04W8/16

摘要： A platform that facilities preservation of user privacy with respect to location-based applications executing on mobile computing devices is described. The platform registers triggers that are set forth by location-based applications, where a trigger specifies one or more rules and includes a location constraint. The platform causes a sensor on the mobile computing device to output location data, and the platform determines if the trigger has been satisfied by comparing the location constraint with the location data. If the trigger is satisfied, the platform transmits a callback to the application. Accordingly, the application does not receive location data from the sensor.

公开(公告)号：US20120177385A1

公开(公告)日：2012-07-12

申请号：US13307439

申请日：2011-11-30

申请人： Saikat GUHA

发明人： Saikat GUHA

IPC分类号： H04B10/06

CPC分类号： H04L27/223 ,  H03M13/05 ,  H04B10/1121 ,  H04B10/70

摘要： An optical receiver may include a unitary transformation operator to receive an n-symbol optical codeword associated with a codebook, and to perform a unitary transformation on the received optical codeword to generate a transformed optical codeword, where the unitary transformation is based on the codebook. The optical receiver may further include n optical detectors, where a particular one of the n optical detectors is to detect a particular optical symbol of the transformed optical codeword, and to determine whether the particular optical symbol corresponds to a first optical symbol or a second optical symbol. The optical receiver may also include a decoder to construct a codeword based on the determinations, and to decode the constructed codeword into a message using the codebook. The optical receiver may attain superadditive capacity, and, with an optimal code, may attain the Holevo limit to reliable communication data rates.

摘要翻译： 光接收机可以包括用于接收与码本相关联的n符号光码字的单一变换算子，并且对所接收的光码字执行单位变换以产生变换的光码字，其中单位变换基于码本。 光学接收机还可以包括n个光学检测器，其中n个光学检测器中的特定的一个检测器将检测经变换的光学码字的特定光学符号，并且确定特定的光学符号是否对应于第一光学符号或第二光学符号 符号。 光接收机还可以包括解码器，以基于确定来构造码字，并且使用码本将构造的码字解码成消息。 光接收机可以获得超额的容量，并且利用最佳代码可以获得可靠的通信数据速率的Holevo限制。

公开(公告)号：US09753778B2

公开(公告)日：2017-09-05

申请号：US13553847

申请日：2012-07-20

申请人： Saikat Guha ,  Ranjita Bhagwan ,  Anshul Rai

发明人： Saikat Guha ,  Ranjita Bhagwan ,  Anshul Rai

IPC分类号： G06F15/173 ,  G06F9/50

CPC分类号： G06F9/5038

摘要： A resource allocation framework is described herein which allocates items (conceptualized as balls) to item-receiving slots (conceptualized as bins) in a domain-agnostic manner. A user instantiates the resource allocation framework to a particular allocation problem by generating a specification that describes the allocation problem in a declarative fashion. Among other features, the specification maps real-world entities to the balls and bins, and describes the constraints associated with the allocation problem. The specification also provides a utilization function that computes the consumption of resources for a proposed assignment of a particular ball to a particular bin. According to another aspect, the resource allocation framework uses many processing elements (e.g., GPU threads, CPU threads, etc.), operating in parallel, to attempt to find a solution to the allocation problem. In this search for a solution, the resource allocation framework operates in any combination of an explore mode and an exploit mode.

公开(公告)号：US20140025822A1

公开(公告)日：2014-01-23

申请号：US13553847

申请日：2012-07-20

申请人： Saikat Guha ,  Ranjita Bhagwan ,  Anshul Rai

发明人： Saikat Guha ,  Ranjita Bhagwan ,  Anshul Rai

IPC分类号： G06F15/173

CPC分类号： G06F9/5038

摘要： A resource allocation framework is described herein which allocates items (conceptualized as balls) to item-receiving slots (conceptualized as bins) in a domain-agnostic manner. A user instantiates the resource allocation framework to a particular allocation problem by generating a specification that describes the allocation problem in a declarative fashion. Among other features, the specification maps real-world entities to the balls and bins, and describes the constraints associated with the allocation problem. The specification also provides a utilization function that computes the consumption of resources for a proposed assignment of a particular ball to a particular bin. According to another aspect, the resource allocation framework uses many processing elements (e.g., GPU threads, CPU threads, etc.), operating in parallel, to attempt to find a solution to the allocation problem. In this search for a solution, the resource allocation framework operates in any combination of an explore mode and an exploit mode.

摘要翻译： 本文描述了一种资源分配框架，其以域不可知的方式将项目（概念化为球）分配给项目接收时隙（概念化为仓）。 用户通过生成以声明方式描述分配问题的规范来将资源分配框架实例化为特定的分配问题。 在其他功能中，规范将真实世界的实体映射到球和仓，并描述与分配问题相关的约束。 该规范还提供了利用函数，其计算用于将特定球的建议分配给特定仓的资源消耗。 根据另一方面，资源分配框架使用并行操作的许多处理元件（例如，GPU线程，CPU线程等）来尝试找到分配问题的解决方案。 在搜索解决方案中，资源分配框架以探索模式和漏洞利用模式的任意组合运行。

公开(公告)号：US20130292472A1

公开(公告)日：2013-11-07

申请号：US13464253

申请日：2012-05-04

申请人： Saikat Guha

发明人： Saikat Guha

IPC分类号： G06K7/14

CPC分类号： H04B10/70

摘要： An optical imaging system includes a transmitter configured to generate spatially entangled quantum states of light to probe reflective targets, a target configured to reflect the spatially entangled quantum states of light and a receiver configured to receive and detect the spatially entangled quantum states of light, thereby decoding a message encoded in a memory.

摘要翻译： 光学成像系统包括：发射器，被配置为产生空间纠缠的光量子态以探测反射目标，被配置为反射光的空间纠缠量子态的目标和被配置为接收和检测空间缠结量子态光的接收器，由此 解码在存储器中编码的消息。

公开(公告)号：US20120317034A1

公开(公告)日：2012-12-13

申请号：US13159224

申请日：2011-06-13

申请人： Saikat Guha ,  Raghav Bhaskar ,  Srivatsan Laxman ,  Prasad Naldurg

发明人： Saikat Guha ,  Raghav Bhaskar ,  Srivatsan Laxman ,  Prasad Naldurg

IPC分类号： G06Q20/00

CPC分类号： G06Q20/065 ,  G06Q20/3823 ,  G06Q20/389 ,  G07F17/3251 ,  G07F17/3255

摘要： Users make online purchases using a virtual currency. A series of secret encryption keys is generated, where each key in the series is associated with a different epoch. A token tracking table is initialized. Whenever real currency is received from a user wanting to purchase tokens, a semantically secure encryption method is used in conjunction with the secret encryption key in the series that is associated with the current epoch to generate a set of encrypted tokens which includes one or more encrypted paid tokens. The set of encrypted tokens is sent to the user wanting to purchase tokens, and each encrypted paid token in the set is entered into the token tracking table, where the entry for each encrypted paid token includes information specifying that the token has not yet been spent and has not yet been encashed.

摘要翻译： 用户使用虚拟货币进行在线购物。 生成一系列秘密加密密钥，其中系列中的每个密钥与不同的时期相关联。 令牌跟踪表被初始化。 每当从想要购买令牌的用户接收真实货币时，将语义上安全的加密方法与与当前时期相关联的系列中的秘密加密密钥结合使用，以生成一组加密令牌，其包括一个或多个加密 付费令牌。 加密令牌的集合被发送给想要购买令牌的用户，并且集合中的每个加密的付费令牌被输入到令牌跟踪表中，其中每个加密的付费令牌的条目包括指定令牌尚未被花费的信息 并没有被删除。

公开(公告)号：US20120311035A1

公开(公告)日：2012-12-06

申请号：US13153475

申请日：2011-06-06

申请人： Saikat Guha ,  Venkata N. Padmanabhan ,  Mudit Jain ,  Ankush Jain

发明人： Saikat Guha ,  Venkata N. Padmanabhan ,  Mudit Jain ,  Ankush Jain

IPC分类号： G06F15/16

CPC分类号： G06F21/6218 ,  G06F17/30864 ,  G06F21/6254 ,  G06Q30/08 ,  G06Q50/01 ,  H04L63/0421

摘要： Described herein are technologies pertaining to protecting user privacy in connection with attribute-based matching services. A user registers with a platform that includes a plurality of non-collaborating partitions, where registration includes transmitting a message to the platform that indicates that the user has one or more attributes corresponding thereto. Through selective encryption and a communications protocol amongst the partitions, none of the partitions are able to ascertain that the user has the attributes. Acting in conjunction, however, the plurality of partitions perform rich attribute

摘要翻译： 这里描述了与基于属性的匹配服务有关的保护用户隐私的技术。 用户向包括多个非协作分区的平台注册，其中注册包括向平台发送指示用户具有与其对应的一个或多个属性的消息。 通过分区之间的选择性加密和通信协议，没有一个分区能够确定用户具有属性。 然而，多个分区共同执行丰富的属性

公开(公告)号：US20110252226A1

公开(公告)日：2011-10-13

申请号：US12757986

申请日：2010-04-10

申请人： Paul Francis ,  Saikat Guha

发明人： Paul Francis ,  Saikat Guha

IPC分类号： G06F21/20 ,  H04L9/00 ,  G06F15/16

CPC分类号： H04L63/0421

摘要： User privacy is preserved in response to user interactions with information items, such as advertisements, by controlling the behavior of a user's computer. Information items are associated with item response specifiers. Item response specifiers control the behaviors of the user's computer in response to user interactions with information items. Item response specifiers may be communicated to the user's computer with the associated information items or be retrieved separately by the user's computer from an information item broker or trusted third party. Item response specifiers may be cryptographically signed to ensure their integrity. Following a user interaction with an information item, the user's computer refers to the item response specifier to determine an appropriate privacy-preserving post-interaction behavior. Examples of privacy-preserving behavior include a silent privacy-preserving behavior, a proxied interaction privacy-preserving behavior, a partial proxied interaction privacy-preserving behavior, a delayed handoff privacy-preserving behavior, and a direct to provider privacy-preserving behavior.

摘要翻译： 通过控制用户计算机的行为，用户隐私被保留以响应于与诸如广告之类的信息项目的用户交互。 信息项与项目响应说明符相关联。 项目响应说明符控制用户计算机响应于用户与信息项目的交互的行为。 项目响应说明符可以用相关联的信息项传送到用户的计算机，或者由用户的计算机从信息项目经纪人或可信第三方单独检索。 项目响应说明符可以加密签名，以确保其完整性。 在用户与信息项目进行交互之后，用户的计算机引用项目响应说明符来确定适当的隐私保护后交互行为。 隐私保护行为的示例包括静默保密行为，代理交互隐私保护行为，部分代理交互隐私保护行为，延迟切换隐私保护行为以及直接提供商隐私保护行为。

公开(公告)号：US20130238951A1

公开(公告)日：2013-09-12

申请号：US13872857

申请日：2013-04-29

申请人： Saikat GUHA

发明人： Saikat GUHA

IPC分类号： H03M13/05

CPC分类号： H04L27/223 ,  H03M13/05 ,  H04B10/1121 ,  H04B10/70

摘要： An optical receiver may include a unitary transformation operator to receive an n-symbol optical codeword associated with a codebook, and to perform a unitary transformation on the received optical codeword to generate a transformed optical codeword, where the unitary transformation is based on the codebook. The optical receiver may further include n optical detectors, where a particular one of the n optical detectors is to detect a particular optical symbol of the transformed optical codeword, and to determine whether the particular optical symbol corresponds to a first optical symbol or a second optical symbol. The optical receiver may also include a decoder to construct a codeword based on the determinations, and to decode the constructed codeword into a message using the codebook. The optical receiver may attain superadditive capacity, and, with an optimal code, may attain the Holevo limit to reliable communication data rates.

摘要翻译： 光接收机可以包括用于接收与码本相关联的n符号光码字的单一变换算子，并且对所接收的光码字执行单位变换以产生变换的光码字，其中单位变换基于码本。 光学接收机还可以包括n个光学检测器，其中n个光学检测器中的特定的一个检测器将检测经变换的光学码字的特定光学符号，并且确定特定光学符号是否对应于第一光学符号或第二光学符号 符号。 光接收机还可以包括解码器，以基于确定来构造码字，并且使用码本将构造的码字解码成消息。 光接收机可以获得超额的容量，并且利用最佳代码可以获得可靠的通信数据速率的Holevo限制。

公开(公告)号：US20110055552A1

公开(公告)日：2011-03-03

申请号：US12552549

申请日：2009-09-02

申请人： Paul Francis ,  Saikat Guha ,  Hamed Haddadi

发明人： Paul Francis ,  Saikat Guha ,  Hamed Haddadi

IPC分类号： H04L9/00 ,  G06F7/58

CPC分类号： H04L63/0421 ,  H04L63/0428

摘要： A client receives a notification of a user interaction with an information item and creates a record describing this interaction. The client encrypts the record using an encryption key associated with a server. The encrypted record is then communicated to at least one proxy, which in turn forwards the encrypted record to a server. Upon receiving the encrypted record from the proxy, a server decrypts the record using a decryption key and analyzes the decrypted record to identify the information item and the type of user interaction. This information may be used individually or in aggregate for tracking user interests, billing advertisers or information item providers, and/or collecting anonymous information from users.

摘要翻译： 客户端接收到与信息项目的用户交互的通知，并创建描述此交互的记录。 客户端使用与服务器相关联的加密密钥对记录进行加密。 然后将加密的记录传送给至少一个代理，代理又将加密的记录转发到服务器。 在从代理接收到加密记录之后，服务器使用解密密钥对记录进行解密，并分析解密的记录以识别信息项和用户交互的类型。 该信息可以单独地或总体地用于跟踪用户兴趣，记帐广告商或信息项提供者，和/或从用户收集匿名信息。