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中文摘要：
面对网络批发零售带来的新问题，首先结合传统数字水印／数字指纹技术，讨论适用于网络批发零售的群组指纹概念，总结对群组指纹体制的要求。然后对群组指纹构造技术进行概括，介绍两类典型的群组指纹构造方法。第三，结合传统数字水印／数字指纹协议的发展，讨论满足网络批发零售的群组指纹协议的实现思想，提出三个阶段实现上述协议。最后指出一些可行的研究方向。
英文摘要：
To solve the new problem brought by digital wholesale and retail,we first discuss the concept of group fingerprint adapted for digital wholesale and retail in combination with traditional watermarking/fingerprinting technology,and summarise the requirement of group fingerprint system.Then we generalise the group fingerprinting construction technology,and introduce two typical construction algorithms. Thirdly,combining the development of traditional digital watermarking/fingerprinting protocols,we discuss the implementation idea for the group fingerprinting protocol satisfying the digital wholesale and retail,and propose to implement the above protocols in three stages.Finally we point out some feasible research directions.
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