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    • 2. 发明授权
    • Secure data exchange technique
    • 安全的数据交换技术
    • US07610627B1
    • 2009-10-27
    • US10865180
    • 2004-06-09
    • Eugene William McKenna
    • Eugene William McKenna
    • G06F7/04
    • H04L63/0414G06F21/602G06F21/62
    • Techniques utilizing common encryption approaches for data from multiple parties enable those parties to discover information that is held in common by the parties without disclosing to any party information that is not held in common by the parties. Encrypted information for each party can be compared to determine which encrypted values match, and those encrypted values can be returned to any of the parties such that a party can determine which corresponding data the parties have in common, without having access to any other data of any other parties.
    • 利用来自多方的数据的通用加密方法的技术使得这些方面能够发现双方共同拥有的信息,而不泄露双方未共同遵守的任何一方信息。 可以对每一方的加密信息进行比较,以确定哪些加密值相匹配,并且这些加密值可以返回给任何一方,使得一方可以确定各方共同拥有的相应数据,而无需访问任何其他数据 任何其他方
    • 4. 发明授权
    • Optimizer dynamic sampling
    • 优化器动态采样
    • US07213012B2
    • 2007-05-01
    • US10435228
    • 2003-05-09
    • Hakan JakobssonWilliam McKennaMohamed Ziauddin
    • Hakan JakobssonWilliam McKennaMohamed Ziauddin
    • G06F17/30
    • G06F17/30463G06F17/30474G06F17/30536Y10S707/99932Y10S707/99933
    • Described herein are approaches to implementing dynamic sampling in a way that lessens or eliminates the additional overhead incurred to perform dynamic sampling. Also described are techniques for determining characteristics about predicates not previously determined by conventional techniques for dynamic sampling. Dynamic sampling is used by a query optimizer to dynamically estimate predicate selectivities and statistics. When a database statement is received by a database server, an initial analysis of the database statement is made to determine the efficacy of dynamic sampling, that is, to determine whether optimization of the query would benefit from dynamic sampling and whether performance is not excessively impacted by the dynamic sampling process. If this analysis determines dynamic sampling should be used, then dynamic sampling is undertaken.
    • 这里描述的是以减少或消除进行动态采样所引起的额外开销的方式实现动态采样的方法。 还描述了用于确定先前未被动态采样的常规技术确定的谓词的特性的技术。 动态抽样由查询优化器用于动态估计谓词选择性和统计量。 当数据库服务器接收到数据库语句时,将对数据库语句进行初始分析,以确定动态抽样的有效性,即确定查询的优化是否将受益于动态抽样以及性能是否受到过度影响 通过动态采样过程。 如果该分析确定应采用动态抽样,则进行动态抽样。
    • 6. 发明授权
    • Method and associated apparatus for use with an automated sign generator
to produce enhanced graphics
    • 用于自动符号发生器以产生增强图形的方法和相关装置
    • US5315690A
    • 1994-05-24
    • US746871
    • 1991-08-19
    • Thomas A. GordonBarrett C. GrayWilliam McKennaJoseph W. StempienKen P. Magnon
    • Thomas A. GordonBarrett C. GrayWilliam McKennaJoseph W. StempienKen P. Magnon
    • B26D7/27B26F1/38B43L13/02B65H23/32G01D15/02G06K15/22G06K15/00
    • B65H23/32B26D7/27B26F1/3806B43L13/024G01D15/02G06K15/22B26D2007/2678
    • A method and associated apparatus for use in an automated sign generator to produce enhanced special effect graphics and single layer multi-color signs on a vinyl sheet material uses a paint pen carried by the tool head of the generator which in coordinated movement with the vinyl sheet traces the shape of the sign. In one embodiment, the sheet material is cut along a line falling within the painted stripe defining the graphic. The cut graphic having the desired visual special effect is removed from the sheet material along the cut line. The apparatus further includes a guide wheel assembly located between a material deflector and a feed roller for riding along the marginal portions of the sheet material causing it to move along a broken plane path to prevent buckling as it moves relative to the tool head and to prevent smudging of the painted graphic. A cam clip assembly is located behind the feed roller and intermediate the feed roller and a cam shaft and rides along the marginal portions of the sheet material to cause the material to move along a broken plane path to prevent its buckling and avoid smearing of a painted graphic on the surface. A paint pen which is interchangeable with a cutting tool is carried by the tool head and includes a number of interchangeable paint nibs.
    • 一种在自动符号发生器中用于在乙烯基片材上产生增强的特殊效果图形和单层多色标志的方法和相关装置使用由发生器的工具头承载的油漆笔,其与乙烯基片材协同运动 追踪标志的形状。 在一个实施例中,沿着限定图形的被绘条纹内的线切割片材。 具有期望的视觉特效的切割图形沿着切割线从片材中去除。 该装置还包括位于材料偏转器和进给辊之间的导向轮组件,用于沿着片材的边缘部分骑行,使得其沿着断裂的平面路径移动,以防止在其相对于工具头移动时的弯曲,并且防止 弄脏了绘画。 凸轮夹组件位于进料辊的后面,位于进料辊的后面和凸轮轴之间,并沿着片材的边缘部分移动,以使材料沿着断裂的平面路径移动,以防止其弯曲并避免涂漆 表面上的图形。 与切割工具可互换的油漆笔由工具头承载并且包括多个可互换的油漆笔尖。