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    • 12. 发明授权
    • Creation of a virtual community
    • 创建虚拟社区
    • US08296282B2
    • 2012-10-23
    • US13093162
    • 2011-04-25
    • Timo AhopeltoDonald PeppersKai Friman
    • Timo AhopeltoDonald PeppersKai Friman
    • G06F17/30
    • G06Q30/02G06Q10/109Y10S707/922
    • In order to facilitate creation of a community without member-specific registration, one or more sibling identifiers with corresponding units to be distributed to other persons are allocated to a subscriber and the one or more sibling identifiers is associated with the subscriber's identifier. The subscriber may then give a unit to his/her friend and when the friend uses the unit, or more precisely a sibling identifier the unit relates to, the system will recognize that the subscriber and the friend belong to the same community on the basis of the association formed when sibling identifiers were allocated.
    • 为了便于在没有成员特定注册的情况下创建社区,将一个或多个兄弟标识符与要分配给其他人的相应单元分配给用户,并且一个或多个兄弟标识符与订户的标识符相关联。 用户然后可以给他/她的朋友一个单位,并且当朋友使用该单元,或者更准确地说,该单元涉及的兄弟标识符时,系统将基于以下方式识别订户和朋友属于同一个社区 兄弟姐妹标识符分配时形成的关联。
    • 20. 发明授权
    • Methods and systems for multi-pattern searching
    • 多模式搜索的方法和系统
    • US07996424B2
    • 2011-08-09
    • US12010900
    • 2008-01-31
    • Marc A. NortonDaniel J. Roelker
    • Marc A. NortonDaniel J. Roelker
    • G06F7/00G06F17/30
    • G06F17/30985Y10S707/922Y10S707/99939
    • Embodiments of the present invention relate to systems and methods for optimizing and reducing the memory requirements of state machine algorithms in pattern matching applications. Memory requirements of an Aho-Corasick algorithm are reduced in an intrusion detection system by representing the state table as three separate data structures. Memory requirements of an Aho-Corasick algorithm are also reduced by applying a banded-row sparse matrix technique to the state transition table of the state table. The pattern matching performance of the intrusion detection system is improved by performing a case insensitive search, where the characters of the test sequence are converted to uppercase as the characters are read. Testing reveals that state transition tables with sixteen bit elements outperform state transition tables with thirty-two bit elements and do not reduce the functionality of intrusion detection system using the Aho-Corasick algorithm.
    • 本发明的实施例涉及用于优化和减少模式匹配应用中的状态机算法的存储器需求的系统和方法。 入侵检测系统通过将状态表表示为三个独立的数据结构来减少Aho-Corasick算法的内存需求。 通过将带状行稀疏矩阵技术应用于状态表的状态转换表,也减少了Aho-Corasick算法的存储器要求。 通过执行不区分大小写的搜索来提高入侵检测系统的模式匹配性能,其中读取字符时将测试序列的字符转换为大写字母。 测试显示,具有16位元素的状态转换表优于具有32位元素的状态转换表,并且不会使用Aho-Corasick算法降低入侵检测系统的功能。