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    • 2. 发明申请
    • APPARATUS AND METHOD FOR EXTRACTING SIGNATURE CANDIDATES OF ATTACKING PACKETS
    • 用于提取攻击包的签名候选人的装置和方法
    • US20080120721A1
    • 2008-05-22
    • US11924100
    • 2007-10-25
    • Hwa Shin MOONSung Won YIJin Tae OH
    • Hwa Shin MOONSung Won YIJin Tae OH
    • G06F21/00
    • H04L63/1416H04L63/0227H04L69/22
    • An apparatus and method for extracting signature candidates and optimizing a corresponding signature are provided. The apparatus includes a packet separator, a header parser, a traffic information generator, a substring extractor, and a signature candidate extractor. The packet separator separates a packet into a header and a payload. The header information parser parses the header information, and the traffic information generator generates traffic information. The substring extractor measures a frequency of appearing of a substring with a predetermined length in the separated payload for a constant observation period, and extracts a substring having a frequency higher than a predetermined setup value by updating the measured frequency information to a substring frequency table. The signature candidate extractor generates a signature by collecting the extracted substring information and the generated traffic information, updates a signature frequency table, and extracts a signature candidate with reference to information of the signature frequency table.
    • 提供了一种用于提取签名候选和优化对应签名的装置和方法。 该装置包括分组分离器,头解析器,交通信息发生器,子串提取器和签名候选提取器。 分组分离器将分组分离成报头和有效载荷。 标题信息解析器解析标题信息,并且交通信息生成器生成交通信息。 子串提取器测量在分离的有效载荷中具有预定长度的子串的出现频率用于恒定观察周期,并且通过将测量的频率信息更新为子串频率表来提取具有高于预定设置值的频率的子串。 签名候选提取器通过收集所提取的子字符串信息和生成的交通信息来生成签名,更新签名频率表,并且参考签名频率表的信息来提取签名候选。
    • 8. 发明授权
    • User interest pattern modeling server and method for modeling user interest pattern
    • 用户兴趣模式建模服务器和用户兴趣模式建模方法
    • US08600969B2
    • 2013-12-03
    • US13294894
    • 2011-11-11
    • Jae-Cheol SimKang-Yong LeeHwa-Shin Moon
    • Jae-Cheol SimKang-Yong LeeHwa-Shin Moon
    • G06F17/30
    • G06Q30/02G06F17/30867G06Q30/0201
    • A user interest pattern modeling server includes a history collection unit, a keyword extraction unit, a time pattern extraction unit, a keyword extension unit, a time pattern analysis unit and a pattern modeling unit. The history collection unit collects a user's use history of a content. The keyword extraction unit extracts a keyword from the use history of the content. The time pattern extraction unit extracts a first time pattern of the keyword. The keyword extension unit extracts an extended keyword through searching related words of the keyword. The time pattern analysis unit analyzes a second time pattern of the extended keyword based on the first time pattern. The pattern modeling unit models a user interest pattern for the keyword and the extended keyword based on the first and second time patterns.
    • 用户兴趣模式建模服务器包括历史收集单元,关键字提取单元,时间模式提取单元,关键字扩展单元,时间模式分析单元和模式建模单元。 历史收集单元收集用户对内容的使用历史。 关键词提取单元从内容的使用历史中提取关键词。 时间模式提取单元提取该关键字的第一时间模式。 关键词扩展单元通过搜索关键词的相关单词提取扩展关键字。 时间模式分析单元基于第一时间模式分析扩展关键字的第二时间模式。 模式建模单元基于第一和第二时间模式来模拟关键字和扩展关键字的用户兴趣模式。