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    • 29. 发明授权
    • Method and system for enabling decentralized, trustworthy and collaborative sharing of services
    • 实现服务分散化,可信赖和协同共享的方法和系统
    • US08654386B2
    • 2014-02-18
    • US13421405
    • 2012-03-15
    • Hua LiuTong Sun
    • Hua LiuTong Sun
    • G06F3/12G06K15/00
    • G06Q30/02
    • Methods and systems for selecting a service provider are disclosed. Information pertaining to print service providers, including associated user and general reputation scores, are received. Each user reputation score identifies a user's perception of a print service provider's reputation. Each general reputation score identifies a general strength of the print service provider's reputation. A first set of providers is selected based on a threshold user reputation score. A second set of providers is selected (pseudo-)randomly. A trust score is determined for each provider in the first and second sets based on the associated user and general reputation scores. One or more negotiation providers are selected from the first and second sets based on the associated trust scores. One or more of the user and general reputation scores are updated for negotiation providers based on a quality of service provided or an offer provided to or by the negotiation provider.
    • 公开了用于选择服务提供商的方法和系统。 收到与打印服务提供商有关的信息,包括相关用户和一般信誉评分。 每个用户信誉评分识别用户对打印服务提供商的声誉的看法。 每个通用信誉评分都标识了打印服务提供商声誉的一般优势。 基于阈值用户信誉评分来选择第一组提供者。 随机选择(伪)第二组提供者。 基于相关联的用户和一般信誉评分,确定第一和第二组中的每个提供者的信任分数。 基于相关联的信任分数,从第一和第二集合中选择一个或多个协商提供者。 基于提供的服务质量或向协商提供商提供的报价,为协商提供者更新一个或多个用户和一般信誉分数。
    • 30. 发明申请
    • Systems and Methods for a Floating-Point Multiplication and Accumulation Unit Using a Partial-Product Multiplier in Digital Signal Processors
    • 使用数字信号处理器中的部分乘积乘积的浮点乘积和累积单元的系统和方法
    • US20130282783A1
    • 2013-10-24
    • US13455064
    • 2012-04-24
    • Zhihong LiTong SunZhikun Cheng
    • Zhihong LiTong SunZhikun Cheng
    • G06F7/487G06F7/485
    • G06F7/5443G06F7/4812G06F7/483
    • An embodiment of an apparatus performs a floating-point multiply-add process on a first multiplicand, a second multiplicand, and an addend. A leading 0 bit is added to a mantissa of the first multiplicand to form an expanded first mantissa, and a partial-product multiplication is performed on the expanded first mantissa and a mantissa of the second multiplicand to produce partial-product sum and a partial-product carry mantissas. Leading bits of the partial-product sum and carry mantissas are changed to 0 bits if they are both 1 bits, and the partial-product sum and the partial-product carry are shifted right according to an exponent difference of a product of the first multiplicand and the second multiplicand. Otherwise both the partial-product sum and carry mantissas are arithmetically shifted right according to the exponent difference. The first and second multiplicands and the addend can be complex numbers.
    • 装置的实施例对第一被乘数,第二被乘数和加数执行浮点乘法加法处理。 前导0比特被添加到第一被乘数的尾数以形成扩展的第一尾数,并且对扩展的第一尾数执行部分乘积和第二被乘数的尾数以产生部分乘积和部分乘积, 产品携带尾数。 如果它们都是1位,则部分积和和携带尾数的前导位被改变为0位,并且部分积和和部分乘积进位根据第一被乘数的乘积的指数差 和第二被乘数。 否则,根据指数差异,部分乘积和携带尾数都被算术右移。 第一和第二被乘数和加数可以是复数。