papers

Publications (5)

cs.CL2025

QuaDMix: Quality-Diversity Balanced Data Selection for Efficient LLM Pretraining

Fengze Liu, Weidong Zhou, Binbin Liu +8

Quality and diversity are two critical metrics for the training data of large language models (LLMs), positively impacting performance. Existing studies often optimize these metric…

cs.CL2025

MuBench: Assessment of Multilingual Capabilities of Large Language Models Across 61 Languages

Wenhan Han, Yifan Zhang, Zhixun Chen +7

Multilingual large language models (LLMs) are advancing rapidly, with new models frequently claiming support for an increasing number of languages. However, existing evaluation dat…

cs.CL2026

MuRating: A High Quality Data Selecting Approach to Multilingual Large Language Model Pretraining

Zhixun Chen, Ping Guo, Wenhan Han +10

Data quality is a critical driver of large language model performance, yet existing model-based selection methods focus almost exclusively on English. We introduce MuRating, a scal…

cs.CL2025

Exploring Polyglot Harmony: On Multilingual Data Allocation for Large Language Models Pretraining

Ping Guo, Yubing Ren, Binbin Liu +6

Large language models (LLMs) have become integral to a wide range of applications worldwide, driving an unprecedented global demand for effective multilingual capabilities. Central…

cs.IR2021

POSO: Personalized Cold Start Modules for Large-scale Recommender Systems

Shangfeng Dai, Haobin Lin, Zhichen Zhao +5

Recommendation for new users, also called user cold start, has been a well-recognized challenge for online recommender systems. Most existing methods view the crux as the lack of i…