【摘要】 文档复制检测技术在保护知识产权和信息索引中起重要作用,它可以防止剽窃事件的发生,提高互联网检索效率。目前,英文复制检测技术已经比较成熟,但中文复制检测技术研究还处于起步阶段。本文提出一种基于关键词的指纹提取方法;提出k-words方法分解句子;定义了数字指纹树概念,并用数字指纹树来存储指纹。最后,用实验验证了所提出的方法。更多还原

【Abstract】 The technique of copy detection plays an important role in intellectual property protection and information retrieval,which can prevent plagiarism and improve the retrieval efficiency of the Internet.Now,the copy detection technique of English has become mature.However,the copy detection technique of Chinese is in the first step.An extracting fingerprinting method based on更多还原