A Data-Efficient Path to Multilingual LLMs: Language Expansion via Post-training PARAM$Δ$ Integration into Upcycled MoE

2026年5月8日·
Hao Zhou
,
Tianhao Li
,
Zhijun Wang
,
Shuaijie She
,
Linjuan Wu
,
Hao-Ran Wei
,
Baosong Yang
,
Jiajun Chen
Shujian Huang
Shujian Huang
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出版物
Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics