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| 2009 | ||
|---|---|---|
| 1 | Yan-Ru Li, Leuo-hong Wang, Chao-Fu Hong: Extracting the significant-rare keywords for patent analysis. Expert Syst. Appl. 36(3): 5200-5204 (2009) | |
| 1 | Chao-Fu Hong | [1] |
| 2 | Leuo-hong Wang | [1] |
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