Identifying Key and Core Technologies Based on Patent Competitiveness Index and Doc-LDA Topic Model : Case Study of E-Vehicles
Teng Fei, Zhang Qi, Qu Jiansheng, Li Haiying, Liu Jiangfeng, Liu Boyu
Data Analysis and Knowledge Discovery . 2024, (11): 33 -46 .  DOI: 10.11925/infotech.2096-3467.2023.0767

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