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The capacity of large language models (LLMs) to generate honest, harmless, and helpful responses heavily relies on the quality of user prompts. However, these prompts often tend to be brief and vague, thereby significantly limiting the full…

计算与语言 · 计算机科学 2025-07-01 Xiaohua Wang , Zisu Huang , Feiran Zhang , Zhibo Xu , Cenyuan Zhang , Qi Qian , Xiaoqing Zheng , Xuanjing Huang

Pre-trained Language Models (PLMs) can be accurately fine-tuned for downstream text processing tasks. Recently, researchers have introduced several parameter-efficient fine-tuning methods that optimize input prompts or adjust a small number…

计算与语言 · 计算机科学 2024-06-07 Saeed Najafi , Alona Fyshe

In recent years, protein-text models have gained significant attention for their potential in protein generation and understanding. Current approaches focus on integrating protein-related knowledge into large language models through…

计算与语言 · 计算机科学 2025-11-11 Juntong Wu , Zijing Liu , He Cao , Hao Li , Bin Feng , Zishan Shu , Ke Yu , Li Yuan , Yu Li

The increasing size and complexity of pre-trained language models have demonstrated superior performance in many applications, but they usually require large training datasets to be adequately trained. Insufficient training sets could…

计算与语言 · 计算机科学 2025-02-03 Yaping Chai , Haoran Xie , Joe S. Qin

Data quality has become a key factor in enhancing model performance with the rapid development of large language models (LLMs). Model-driven data filtering has increasingly become a primary approach for acquiring high-quality data. However,…

计算与语言 · 计算机科学 2025-05-09 Yudong Wang , Zixuan Fu , Jie Cai , Peijun Tang , Hongya Lyu , Yewei Fang , Zhi Zheng , Jie Zhou , Guoyang Zeng , Chaojun Xiao , Xu Han , Zhiyuan Liu

Large Language Models (LLMs), particularly Code LLMs, have demonstrated impressive performance in code generation. Current research primarily focuses on the correctness of generated code, while efficiency remains less explored. Recent works…

软件工程 · 计算机科学 2025-02-27 Tong Ye , Weigang Huang , Xuhong Zhang , Tengfei Ma , Peiyu Liu , Jianwei Yin , Wenhai Wang

Iterative self-refinement is a simple inference-time strategy for machine translation: an LLM revises its own translation over multiple inference-time passes. Yet document-scale refinement remains poorly understood: 1) which pipelines work…

计算与语言 · 计算机科学 2026-05-14 Shaomu Tan , Dawei Zhu , Ke Tran , Michael Denkowski , Sony Trenous , Bill Byrne , Leonardo Ribeiro , Felix Hieber

Pretraining large language models (LLMs) on vast and heterogeneous datasets is crucial for achieving state-of-the-art performance across diverse downstream tasks. However, current training paradigms treat all samples equally, overlooking…

Instruction tuning is critical to improve LLMs but usually suffers from low-quality and redundant data. Data filtering for instruction tuning has proved important in improving both the efficiency and performance of the tuning process. But…

计算与语言 · 计算机科学 2024-06-11 Ming Li , Yong Zhang , Shwai He , Zhitao Li , Hongyu Zhao , Jianzong Wang , Ning Cheng , Tianyi Zhou

Large Language Models (LLMs) have shown extraordinary success across various text generation tasks; however, their potential for simple yet essential text classification remains underexplored, as LLM pre-training tends to emphasize…

计算与语言 · 计算机科学 2025-10-02 Zhexiong Liu , Diane Litman

Reranking is fundamental to information retrieval and retrieval-augmented generation, with recent Large Language Models (LLMs) significantly advancing reranking quality. Most current works rely on large-scale LLMs (>7B parameters),…

信息检索 · 计算机科学 2026-04-17 Xianming Li , Aamir Shakir , Rui Huang , Tsz-fung Andrew Lee , Julius Lipp , Benjamin Clavié , Jing Li

The rapid advancement of large language models (LLMs) has significantly advanced the capabilities of artificial intelligence across various domains. However, their massive scale and high computational costs render them unsuitable for direct…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Miao Rang , Zhenni Bi , Hang Zhou , Hanting Chen , An Xiao , Tianyu Guo , Kai Han , Xinghao Chen , Yunhe Wang

Large-scale models are pretrained on massive web-crawled datasets containing documents of mixed quality, making data filtering essential. A popular method is Classifier-based Quality Filtering (CQF), which trains a binary classifier to…

机器学习 · 计算机科学 2025-10-03 Thiziri Nait Saada , Louis Bethune , Michal Klein , David Grangier , Marco Cuturi , Pierre Ablin

Large language models (LLMs) achieve strong performance across diverse tasks, largely driven by high-quality web data used in pre-training. However, recent studies indicate this data source is rapidly depleting. Synthetic data emerges as a…

Large language models (LLMs) are increasingly touted as powerful tools for automating scientific information extraction. However, existing methods and tools often struggle with the realities of scientific literature: long-context documents,…

Large Language Models (LLMs) represent a promising frontier for recommender systems, yet their development has been impeded by the absence of predictable scaling laws, which are crucial for guiding research and optimizing resource…

信息检索 · 计算机科学 2026-02-16 Benyu Zhang , Qiang Zhang , Jianpeng Cheng , Hong-You Chen , Qifei Wang , Wei Sun , Shen Li , Jia Li , Jiahao Wu , Xiangjun Fan , Hong Yan

Context: In the fast-paced evolution of software development, Large Language Models (LLMs) have become indispensable tools for tasks such as code generation, completion, analysis, and bug fixing. Ensuring the robustness of these models…

软件工程 · 计算机科学 2026-02-13 Yang Liu , Armstrong Foundjem , Xingfang Wu , Heng Li , Foutse Khomh

Quality and diversity are two critical metrics for the training data of large language models (LLMs), positively impacting performance. Existing studies often optimize these metrics separately, typically by first applying quality filtering…

计算与语言 · 计算机科学 2025-04-29 Fengze Liu , Weidong Zhou , Binbin Liu , Zhimiao Yu , Yifan Zhang , Haobin Lin , Yifeng Yu , Bingni Zhang , Xiaohuan Zhou , Taifeng Wang , Yong Cao

Recent advancements in large language models (LLMs) have shown very impressive capabilities in code generation across many programming languages. However, even state-of-the-art LLMs generate programs that contains syntactic errors and fail…

软件工程 · 计算机科学 2025-11-25 David Jiahao Fu , Aryan Gupta , Aaron Councilman , David Grove , Yu-Xiong Wang , Vikram Adve

High-quality pretraining data is the fossil fuel of large language models (LLMs), yet its reserves are running low for frontier models. In this paper, we introduce RePro, a novel web recycling method that trains a relatively small LM with…

计算与语言 · 计算机科学 2025-10-15 Zichun Yu , Chenyan Xiong