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  • × year_i:[2010 TO 2020}
  • × author_ss:"Xu, L."
  1. Xu, L.: Research synthesis methods and library and information science : shared problems, limited diffusion (2016) 1.00 
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  2. Xu, L.; Qiu, J.: Unsupervised multi-class sentiment classification approach (2019) 1.00 
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