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    Scalable Data Stream Management System for Monitoring System Activities
    1.
    发明申请
    Scalable Data Stream Management System for Monitoring System Activities 审中-公开
    可扩展数据流管理系统，用于监控系统活动

    公开(公告)号：US20160283531A1

    公开(公告)日：2016-09-29

    申请号：US15063157

    申请日：2016-03-07

    Applicant: NEC Laboratories America, Inc.

    Inventor： Xusheng Xiao ,  Zhichun Li ,  Zhenyu Wu ,  Fengyuan Xu ,  Guofei Jiang

    IPC: G06F17/30

    CPC classification number: G06F16/24568

    Abstract: A data stream system includes one or more monitored machines generating real-time data stream that describes system activities of the monitored machines; a data stream management module receiving the real-time data stream; and a data stream archiving module coupled to the data stream management module, the data stream archiving module including a data stream receiver and a data stream inserter.

    Abstract translation: 数据流系统包括生成实时数据流的一个或多个监视的机器，其描述被监视机器的系统活动; 接收实时数据流的数据流管理模块; 以及耦合到数据流管理模块的数据流存档模块，数据流存档模块包括数据流接收器和数据流插入器。

    Integrated Community And Role Discovery In Enterprise Networks
    2.
    发明申请
    Integrated Community And Role Discovery In Enterprise Networks 审中-公开
    企业网络中的集成社区和角色发现

    公开(公告)号：US20160308725A1

    公开(公告)日：2016-10-20

    申请号：US15098861

    申请日：2016-04-14

    Applicant: NEC Laboratories America, Inc.

    Inventor： LuAn Tang ,  Zhengzhang Chen ,  Ting Chen ,  Guofei Jiang ,  Fengyuan Xu ,  Haifeng Chen

    IPC: H04L12/24 ,  H04L29/06

    CPC classification number: H04L41/12 ,  H04L41/142 ,  H04L41/145 ,  H04L63/0421 ,  H04L63/1425

    Abstract: Methods and systems for detecting anomalous communications include simulating a network graph based on community and role labels of each node in the network graph based on one or more linking rules. The community and role labels of each node are adjusted based on differences between the simulated network graph and a true network graph. The simulation and adjustment are repeated until the simulated network graph converges to the true network graph to determine a final set of community and role labels. It is determined whether a network communication is anomalous based on the final set of community and role labels.

    Abstract translation: 用于检测异常通信的方法和系统包括基于一个或多个链接规则来模拟网络图中基于社区和每个节点的角色标签的网络图。 基于模拟网络图和真实网络图之间的差异来调整每个节点的社区和角色标签。 重复模拟和调整，直到模拟网络图收敛到真实的网络图，以确定最终的一组社区和角色标签。 基于社区和角色标签的最终集确定网络通信是否是异常的。

    LIGHTWEIGHT TEMPORAL GRAPH MANAGEMENT ENGINE
    3.
    发明申请
    LIGHTWEIGHT TEMPORAL GRAPH MANAGEMENT ENGINE 审中-公开
    轻型时代图形管理引擎

    公开(公告)号：US20160125095A1

    公开(公告)日：2016-05-05

    申请号：US14932873

    申请日：2015-11-04

    Applicant: NEC Laboratories America, Inc.

    Inventor： Fengyuan Xu

    IPC: G06F17/30

    CPC classification number: G06F16/9024

    Abstract: A method and system are provided. The method includes storing, in a memory, temporal data for a temporal graph. The memory includes a temporal graph storage structure having a set of buckets. The temporal data stored in the buckets includes respective data segments implemented using graph edges. Each of the graph edges has a start time and an end time associated therewith. The method further includes the methods, performed by a processor, of: forming an index that categorizes the graph edges based on the end times of the graph edges; positioning the graph edges within respective ones of the buckets for storage using the index such that the graph edges are positioned in the respective ones of the buckets in a chronological order that is based on the end times; and accessing the temporal graph storage structure using the index responsive to a temporal graph query.

    Abstract translation: 提供了一种方法和系统。 该方法包括在存储器中存储时间图的时间数据。 存储器包括具有一组桶的时间图存储结构。 存储在桶中的时间数据包括使用图形边缘实现的各个数据段。 每个图形边缘具有与之相关联的开始时间和结束时间。 该方法还包括由处理器执行的方法，该方法包括：基于图形边缘的结束时间，形成对图形边缘进行分类的索引; 将图形边缘定位在相应的桶中用于存储使用索引，使得图形边缘以基于结束时间的时间顺序位于相应的桶中; 以及使用响应于时间图查询的索引来访问时间图存储结构。

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