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    • 7. 发明授权
    • Systems and methods for facilitating data discovery
    • 促进数据发现的系统和方法
    • US09135261B2
    • 2015-09-15
    • US12638067
    • 2009-12-15
    • Anurag S. MaunderChristos TryfonasMuddu Sudhakar
    • Anurag S. MaunderChristos TryfonasMuddu Sudhakar
    • G06F17/30
    • G06F17/30106G06F17/30094
    • A system for facilitating data discovery on a network, wherein the network has one or more data storage devices. The system may include a crawler program configured to select at least a first set of files and a second set of files, each of the first set of files and the second set of files being stored in at least one of the one or more data storage devices. The system may also include a data fetcher program configured to obtain a copy of the first set of files, the data fetcher program being further configured to resist against obtaining a copy of the second set of files. The system may also include circuit hardware implementing one or more functions of one or more of the crawler program and the data fetcher program.
    • 一种用于促进网络上的数据发现的系统,其中所述网络具有一个或多个数据存储设备。 该系统可以包括被配置为选择至少第一组文件和第二组文件的爬行程序,第一组文件和第二组文件中的每一个被存储在一个或多个数据存储器 设备。 该系统还可以包括被配置为获得第一组文件的副本的数据获取器程序,该数据获取程序被进一步配置为抵抗获得第二组文件的副本。 该系统还可以包括实现履带程序和数据提取程序中的一个或多个的一个或多个功能的电路硬件。
    • 10. 发明授权
    • Method for determining burstiness or a burstiness curve of a traffic source
    • 确定流量源的突发性或突发性曲线的方法
    • US06795397B2
    • 2004-09-21
    • US09728562
    • 2000-11-30
    • Anujan VarmaChristos Tryfonas
    • Anujan VarmaChristos Tryfonas
    • G01R3108
    • H04N21/4363H04L43/50H04L47/215H04L47/22H04N21/238H04N21/2381H04N21/4381
    • The resources required to support transmission of a traffic source, such as video or multimedia, over a packet-switched network are heavily dependent on the burstiness of the traffic source. The present invention provides methods for accurately and rapidly determining burstiness curves for traffic sources, such as elementary video and MPEG-2 transport streams. The described deterministic computation methods provide space and time efficiency in relation to the level of accuracy selected. The methods teach the exploitation of the piecewise linearity within the burstiness curves such that computations are only performed at points subject to slope change. The efficiency of the described methods suggest wide applicability to a range of traffic characterization situations, including QoS provisioning as well as real-time applications, such as TV distribution.
    • 支持通过分组交换网络传输流量源(如视频或多媒体)所需的资源在很大程度上取决于流量源的突发性。 本发明提供了准确和快速地确定诸如基本视频和MPEG-2传输流之类的业务源的突发性曲线的方法。 所描述的确定性计算方法相对于所选精度的水平提供空间和时间效率。 该方法教导了突发性曲线内分段线性的利用,使得仅在倾斜变化的点进行计算。 所描述的方法的效率表明广泛适用于一系列流量表征情况,包括QoS配置以及诸如电视分配的实时应用。