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Yanchao Lu

Shanghai Jiao Tong University (SJTU)

KoGuan Law School

Shanghai 200030, Shanghai 200052

China

  • Shanghai Jiao Tong University (SJTU)

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Data Value Density Enhancement for Large Language Model Training: A Comprehensive Survey

Number of pages: 45 Posted: 24 Apr 2026
Yiliu Sun, Yanchao Lu, Jiaxi Cao, Linyang Li, Wei Liu and Chen Gong
Shanghai Jiao Tong University (SJTU), Shanghai Jiao Tong University (SJTU), Shanghai Jiao Tong University (SJTU), Shanghai Artificial Intelligence Laboratory, Shanghai Jiao Tong University (SJTU) and Shanghai Jiao Tong University (SJTU)
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Large Language Models, Data Value Density Enhancement, Data Bottleneck, Data Selection, Data Evolution