Abstract: Patent citation is an important approach for the technology spillover study, and is the measuring foundation for technical knowledge flow analysis.
摘要专利间的引用关系是研究技术溢出的重要途径之一，为分析技术知识的流动提供了客观的测度依据。
By technical analysis and application, this method has the ability of online diagnosis and knowledge representation automatically and applied cost.
通过理论分析和具体的应用，该方法具备一定的在线诊断能力和知识自动获取的能力，具有一定的应用价值。
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