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    • 1. 发明申请
    • LAZY BULK INSERTION METHOD FOR MOVING OBJECT INDEXING
    • 用于移动目标索引的LAZY BULK插入方法
    • US20070233720A1
    • 2007-10-04
    • US11611284
    • 2006-12-15
    • Hae Young BAEYoung Hwan OHHo Seok KIMYong Il JANGByeong Seob YOUSang Hun EODong Wook LEEJohn Hyeon CHEON
    • Hae Young BAEYoung Hwan OHHo Seok KIMYong Il JANGByeong Seob YOUSang Hun EODong Wook LEEJohn Hyeon CHEON
    • G06F7/00
    • G06F16/2264G06F16/2246G06F16/29
    • The present invention relates to a lazy bulk insertion method for moving object indexing, which utilizes a hash-based data structure to overcome the disadvantages of an R-tree, and uses two buffers to simultaneously store operations in the buffers and process queries stored in the buffers, so that the overall update cost can be reduced. In the lazy bulk insertion method, a buffer is substituted and a state of the buffer is changed to a deactivated state if an input query cannot be stored in the buffer. Operations stored in the deactivated buffer are sequentially analyzed, information about objects corresponding to respective operations is obtained from a direct link to analyze the operations, and thus the operations are aligned on the basis of object IDs. Operations, aligned in ascending order of spatial objects, are identified depending on respective objects, effectiveness of the operations is determined, and thus the operations are realigned on the basis of terminal node IDs. The number of insert operations and the number of delete operations are counted for each terminal node, and variation in the number of empty spaces in the terminal node is obtained, thus splitting and merging of the terminal nodes is predicted. A processing sequence of queries is reorganized so as to reduce variation in the node on the basis of the predicted information.
    • 本发明涉及一种用于移动对象索引的延迟批量插入方法,其利用基于散列的数据结构来克服R树的缺点,并且使用两个缓冲器来同时存储缓冲器中的操作和存储在 缓冲区,从而可以降低总体更新成本。 在惰性批量插入方法中,如果输入查询不能存储在缓冲区中,则替换缓冲区,并将缓冲区的状态更改为禁用状态。 顺序地分析存储在去激活缓冲器中的操作,从直接链接获得关于对应于各个操作的对象的信息,以分析操作,因此基于对象ID来对齐操作。 根据各个对象来识别按空间对象的升序排列的操作,确定操作的有效性,并且因此基于终端节点ID对操作进行重新排列。 对每个终端节点计数插入操作次数和删除次数,得到终端节点空闲空间数量的变化,从而预测终端节点的分裂和合并。 重新组织查询的处理顺序,以便基于预测信息来减少节点的变化。
    • 3. 发明申请
    • APPARATUS FOR LOW POWER WIRELESS COMMUNICATION
    • 低功率无线通信设备
    • US20120229261A1
    • 2012-09-13
    • US13413102
    • 2012-03-06
    • Dong Wook LEE
    • Dong Wook LEE
    • G08C17/02
    • G08C17/02G08C2201/12G08C2201/93H04Q9/00H04Q2209/47H04Q2209/75H04Q2209/883
    • A wireless communication apparatus for starting an operation according to an electric wave received from a portable terminal is provided. The apparatus includes a wireless communication module for transmitting data to the portable terminal, an RFID tag for turning-on a switch using the electric wave received from the portable terminal, the switch supplying power of a battery to a sensor, the wireless communication module and a control unit when the switch is turned-on, and for cutting-off the power supply of the battery to the sensor, the wireless communication module and the control unit when the switch is turned-off, and the control unit for driving the sensor when the power from the battery is supplied to the control unit, for controlling the wireless communication module to transmit a physical amount from the sensor to the portable terminal and for turning off the switch when the control unit receives the physical amount.
    • 提供了一种用于根据从便携式终端接收的电波开始操作的无线通信装置。 该装置包括用于向便携式终端发送数据的无线通信模块,用于使用从便携式终端接收的电波接通开关的RFID标签,向传感器供电的电池的开关,无线通信模块和 控制单元,当所述开关被接通时,以及用于在所述开关断开时切断所述传感器,所述无线通信模块和所述控制单元的所述电池的电源,以及用于驱动所述传感器的控制单元 当来自电池的电力被提供给控制单元时,用于控制无线通信模块将物理量从传感器发送到便携式终端,并且当控制单元接收到物理量时关闭开关。
    • 5. 发明申请
    • APPARATUS FOR COMPUTING STREAMCIPHER TSC-4
    • 计算流式细胞仪TSC-4的装置
    • US20090147946A1
    • 2009-06-11
    • US12269954
    • 2008-11-13
    • Gwon Ho RYUDong Wook LEEBon Seok KOOTae Joo CHANG
    • Gwon Ho RYUDong Wook LEEBon Seok KOOTae Joo CHANG
    • H04L9/28
    • H04L9/065H04L2209/122
    • Provided is an apparatus for computing a T-function based Stream Cipher (TSC)-4 stream cipher. The apparatus includes: two T-function units; and a nonlinear filter for receiving bits output from the two T-function units and generating an 8-bit output sequence per clock. Each of the T-function units includes: a first register for storing an internal state value of the lower N bits; an N-bit internal state updater for updating the internal state value of the lower N-bits stored in the first register; an intermediate result register for storing an intermediate result value output from the N-bit internal state updater; a second register for storing an internal state value of the upper M bits; and an M-bit internal state updater for updating the internal state value of the upper M bits stored in the second register using the value stored in the intermediate result register.
    • 提供了一种用于计算基于T函数的流密码(TSC)-4流密码的装置。 该装置包括:两个T功能单元; 以及用于接收从两个T功能单元输出的位并且每个时钟产生8位输出序列的非线性滤波器。 每个T功能单元包括:第一寄存器,用于存储低N位的内部状态值; N位内部状态更新器,用于更新存储在第一寄存器中的较低N位的内部状态值; 中间结果寄存器,用于存储从N位内部状态更新器输出的中间结果值; 第二寄存器,用于存储高位M位的内部状态值; 以及M位内部状态更新器,用于使用存储在中间结果寄存器中的值来更新存储在第二寄存器中的上位M位的内部状态值。