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    • 31. 发明授权
    • Method for verifying an identification card and recording verification
of same
    • 用于验证身份证和记录其验证的方法
    • US5742685A
    • 1998-04-21
    • US541171
    • 1995-10-11
    • William BersonShailendra Kumar
    • William BersonShailendra Kumar
    • G07C9/00G07F7/12H04L9/32H04L9/00
    • G07F7/08G06Q20/347G07C9/00079G07F7/127H04L9/3231H04L2209/56
    • An identification card and method and apparatus for producing and authenticating such an identification card. A person whom the identification card will identify, is scanned to produce a digital signal which is compressed, encrypted, and coded as a two dimensional barcode or as some other appropriate form of coding, which is incorporated into one portion of the identification card. The image is also printed or otherwise embodied onto another portion of the identification card. A text message maybe appended to the signal before it is encrypted and also printed as plain text on the identification card. In one embodiment the signal representing the image is encrypted using a public key encryption system and the key is downloaded from a center. To validate the card the coded message is scanned, decoded, decrypted, expanded and displayed. The card may then be authenticated by comparison of the displayed representation of the image and the displayed text message with the image and text message with the image and text message printed on the card. A secure record of the verification transaction is made. In one embodiment the record is electronically notarized.
    • 一种用于生产和认证这种身份证的身份证和方法和装置。 扫描身份证件的人将产生一个数字信号,该数字信号被压缩,加密和编码为二维条形码,或作为一些其他合适的编码形式,并入识别卡的一部分。 图像也被打印或以其他方式体现在身份证的另一部分上。 在信号被加密之前,文本信息可以附加到信号上,并且也作为纯文本印在识别卡上。 在一个实施例中,使用公钥加密系统加密表示图像的信号,并从中心下载密钥。 为了验证卡,扫描,解码,解密,扩展和显示编码消息。 然后可以通过将图像的显示表示和所显示的文本消息与图像和文本消息进行认证,其中图像和文本消息被印刷在卡上。 进行验证交易的安全记录。 在一个实施例中,该记录是电子公证的。
    • 34. 发明授权
    • Dynamically sharing a subtree of operators in a data stream management system operating on existing queries
    • 在现有查询操作的数据流管理系统中动态共享运算符子树
    • US08296316B2
    • 2012-10-23
    • US11874197
    • 2007-10-17
    • Namit JainAnand SrinivasanShailendra Kumar Mishra
    • Namit JainAnand SrinivasanShailendra Kumar Mishra
    • G06F7/00
    • G06F17/30516
    • A new continuous query to a data stream management system (DSMS) may use several operators that are equivalent to operators currently being used by continuous queries that have been previously registered in the DSMS. To determine equivalence of operators, the DSMS checks at least the function and the data input to the operators. On finding equivalence, the DSMS modifies a global plan being executed, to use at least an existing subtree of operators during execution of the new continuous query, to generate a modified plan. The DSMS is also programmed to cause each relation source operator (which outputs a relation) to propagate a current state of the relation to each operator newly coupled to the relational operator. After propagation of current state to newly-coupled operators, each operator in the modified plan processes any new data and supplies the result to all operators coupled thereto, including newly-coupled operators and existing operators.
    • 对数据流管理系统(DSMS)的新的连续查询可以使用几个等效于先前在DSMS中注册的连续查询使用的运算符的运算符。 为了确定运算符的等效性,DSMS至少检查运算符的功能和数据输入。 在发现等价性时,DSMS修改正在执行的全局计划,以便在执行新的连续查询期间至少使用现有的运算符子树来生成修改的计划。 DSMS还被编程为使得每个关系源操作符(其输出关系)将关系的当前状态传播到新耦合到关系运算符的每个运算符。 在将当前状态传播到新耦合的运营商之后,修改的计划中的每个运营商处理任何新的数据,并将结果提供给与其耦合的所有运营商,包括新耦合运营商和现有运营商。
    • 35. 发明申请
    • SUPPORT FOR USER DEFINED FUNCTIONS IN A DATA STREAM MANAGEMENT SYSTEM
    • 支持数据流管理系统中用户定义的功能
    • US20120041934A1
    • 2012-02-16
    • US13244272
    • 2011-09-23
    • Anand SrinivasanNamit JainShailendra Kumar Mishra
    • Anand SrinivasanNamit JainShailendra Kumar Mishra
    • G06F17/00G06F17/30
    • G06F8/20
    • A data stream management system (DSMS) is designed to support a new user-defined function, by creating and using at least two structures as follows. A first structure (“metadata entry”) is created in response to a command for creation of the new function, and maps a single instance of a class to the function's name. A second structure is created with creation of an operator on receipt of each new continuous query that uses the new function. The second structure (“operator specific data structure”) contains a path to the newly-created instance, which path is obtained by looking up the first structure. Additional second structures are created on receipt of additional continuous queries which use the new function, but all second structures contain the same path. All continuous queries use the same instance. Repeated use of a single instance to compile and execute multiple queries eliminates repeated instantiation of the same function.
    • 数据流管理系统(DSMS)旨在通过如下创建和使用至少两个结构来支持新的用户定义的功能。 响应于用于创建新功能的命令创建第一个结构(“元数据条目”),并将类的单个实例映射到函数的名称。 在接收到使用新功能的每个新的连续查询时,创建第二个结构。 第二个结构(“运算符特定数据结构”)包含新创建的实例的路径,通过查找第一个结构获取哪个路径。 附加的第二个结构是在接收到使用新功能的附加连续查询时创建的,但所有第二个结构都包含相同的路径。 所有连续查询使用相同的实例。 重复使用单个实例来编译和执行多个查询消除了相同功能的重复实例化。
    • 40. 发明授权
    • Adding new continuous queries to a data stream management system operating on existing queries
    • 向正在查询的数据流管理系统添加新的连续查询
    • US07996388B2
    • 2011-08-09
    • US11874202
    • 2007-10-17
    • Namit JainAnand SrinivasanShailendra Kumar Mishra
    • Namit JainAnand SrinivasanShailendra Kumar Mishra
    • G06F17/30
    • G06F17/30516
    • A new continuous query to a data stream management system (DSMS) may use a stream or a relation which may or may not be used by continuous queries previously registered in the DSMS. The DSMS is programmed to modify an execution plan to accommodate execution of the new query while continuing to execute the previously registered continuous queries. The modified execution plan may include new operators and/or share existing operators. The DSMS is programmed to cause operators which output a relation to propagate a current state of the relation to each newly-coupled operator that uses the relation. The current state is propagated only to operators that have been newly coupled and have thus not yet received any state information previously. After propagation of current state to newly-coupled operators, results of processing any new data for the relation are supplied to all operators coupled thereto, including newly-coupled operators and existing operators.
    • 对数据流管理系统(DSMS)的新的连续查询可以使用可以或可能不被先前在DSMS中注册的连续查询使用的流或关系。 DSMS被编程为修改执行计划以适应新查询的执行,同时继续执行先前注册的连续查询。 修改的执行计划可以包括新的运营商和/或共享现有运营商。 DSMS被编程为使得输出关系的操作者将关系的当前状态传播到使用该关系的每个新耦合的运算符。 当前状态仅传播到已经新耦合的操作符,并且因此以前尚未接收到任何状态信息。 在将当前状态传播到新耦合的运营商之后,将与关联关系的任何新数据进行处理的结果提供给所有与之耦合的运营商,包括新耦合运营商和现有运营商。