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Liu, D.-R.; Shih, M.-J.: Hybrid-patent classification based on patent-network analysis (2011)
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Kay, L.; Newman, N.; Youtie, J.; Porter, A.L.; Rafols, I.: Patent overlay mapping : visualizing technological distance (2014)
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Pan, S.; Pan, G.; Hsieh, M.H.: ¬A dual-level analysis of the capability development process : a case study of TT&T (2006)
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Allen, C.: Information challenges in the global marketplace (1994)
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Yan, B.; Luo, J.: Filtering patent maps for visualization of diversification paths of inventors and organizations (2017)
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