中文
相关论文

相关论文: DharmaOCR: Specialized Small Language Models for S…

200 篇论文

Purpose: With advancements in Large Language Models (LLMs) for healthcare, the need arises for competitive open-source models to protect the public interest. This work contributes to the field of open medical LLMs by optimizing key stages…

Direct Preference Optimization (DPO) guides large language models (LLMs) to generate recommendations aligned with user historical behavior distributions by minimizing preference alignment loss. However, our systematic empirical research and…

信息检索 · 计算机科学 2026-05-28 Chu Zhao , Enneng Yang , Jianzhe Zhao , Guibing Guo

Despite their cultural and historical significance, Black digital archives continue to be a structurally underrepresented area in AI research and infrastructure. This is especially evident in efforts to digitize historical Black newspapers,…

数字图书馆 · 计算机科学 2025-09-17 Fitsum Sileshi Beyene , Christopher L. Dancy

Constructing a highly accurate handwritten OCR system requires large amounts of representative training data, which is both time-consuming and expensive to collect. To mitigate the issue, we propose a denoising diffusion probabilistic model…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Haisong Ding , Bozhi Luan , Dongnan Gui , Kai Chen , Qiang Huo

We introduce Differential Performance Evaluation (DPE), a framework designed to reliably evaluate Large Language Models (LLMs) for efficient code generation. Traditional coding benchmarks often fail to provide reliable insights into code…

软件工程 · 计算机科学 2024-08-14 Jiawei Liu , Songrun Xie , Junhao Wang , Yuxiang Wei , Yifeng Ding , Lingming Zhang

Fine-tuning is a critical step for adapting large language models (LLMs) to domain-specific downstream tasks. To mitigate the substantial computational and memory costs of full-model fine-tuning, Parameter-Efficient Fine-Tuning (PEFT)…

机器学习 · 计算机科学 2026-03-04 Selcuk Gurses , Aozhong Zhang , Yanxia Deng , Xun Dong , Xin Li , Naigang Wang , Penghang Yin , Zi Yang

Direct Preference Optimization (DPO) is a widely used RL-free method for aligning language models from pairwise preferences, but it models preferences over full sequences even though generation is driven by per-token decisions. Existing…

计算与语言 · 计算机科学 2026-05-15 Truong Nguyen , Tien-Phat Nguyen , Linh Ngo Van , Duy Minh Ho Nguyen , Khoa D. Doan , Trung Le

Low-Rank Adaptation (LoRA) has emerged as a prominent technique for fine-tuning large foundation models. Despite its successes, the substantial parameter redundancy, which limits the capacity and efficiency of LoRA, has been recognized as a…

机器学习 · 计算机科学 2025-06-23 Jiashun Cheng , Aochuan Chen , Nuo Chen , Ziqi Gao , Yuhan Li , Jia Li , Fugee Tsung

Diffusion Large Language Models (dLLMs) introduce a new paradigm for language generation, which in turn presents new challenges for aligning them with human preferences. In this work, we aim to improve the policy optimization for dLLMs by…

Large Language Models (LLMs) excel at various natural language processing tasks but remain vulnerable to jailbreaking attacks that induce harmful content generation. In this paper, we reveal a critical safety inconsistency: LLMs can more…

计算与语言 · 计算机科学 2025-08-27 Peng Ding , Wen Sun , Dailin Li , Wei Zou , Jiaming Wang , Jiajun Chen , Shujian Huang

Retrieving accurate details from documents is a crucial task, especially when handling a combination of scanned images and native digital formats. This document presents a combined framework for text extraction that merges Optical Character…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Rasha Sinha , Rekha B S

Direct Preference Optimization (DPO) has been proposed as an effective and efficient alternative to reinforcement learning from human feedback (RLHF). In this paper, we propose a novel and enhanced version of DPO based on curriculum…

计算机视觉与模式识别 · 计算机科学 2025-05-12 Florinel-Alin Croitoru , Vlad Hondru , Radu Tudor Ionescu , Nicu Sebe , Mubarak Shah

Despite the efficacy of Direct Preference Optimization (DPO) in aligning Large Language Models (LLMs), reward hacking remains a pivotal challenge. This issue emerges when LLMs excessively reduce the probability of rejected completions to…

计算与语言 · 计算机科学 2025-08-26 Chenxu Yang , Ruipeng Jia , Mingyu Zheng , Naibin Gu , Zheng Lin , Siyuan Chen , Weichong Yin , Hua Wu , Weiping Wang

Large language models (LLMs) have revolutionized the role of AI, yet pose potential social risks. To steer LLMs towards human preference, alignment technologies have been introduced and gained increasing attention. Nevertheless, existing…

计算与语言 · 计算机科学 2024-10-01 Shitong Duan , Xiaoyuan Yi , Peng Zhang , Yan Liu , Zheng Liu , Tun Lu , Xing Xie , Ning Gu

Generative information retrieval (GenIR) is a promising neural retrieval paradigm that formulates document retrieval as a document identifier (docid) generation task, allowing for end-to-end optimization toward a unified global retrieval…

信息检索 · 计算机科学 2026-05-26 Kidist Amde Mekonnen , Yubao Tang , Maarten de Rijke

Reinforcement Learning (RL) has proven highly effective for autoregressive language models, but adapting these methods to diffusion large language models (dLLMs) presents fundamental challenges. The core difficulty lies in likelihood…

计算与语言 · 计算机科学 2025-12-04 Jingyang Ou , Jiaqi Han , Minkai Xu , Shaoxuan Xu , Jianwen Xie , Stefano Ermon , Yi Wu , Chongxuan Li

Large language models (LLMs) can be used to support software development tasks, e.g., through code completion or code generation. However, their effectiveness drops significantly when considering less popular programming languages such as…

软件工程 · 计算机科学 2026-03-06 David Delgado , Lola Burgueño , Robert Clarisó

We introduce MonkeyOCR, a document parsing model that advances the state of the art by leveraging a Structure-Recognition-Relation (SRR) triplet paradigm. This design simplifies what would otherwise be a complex multi-tool pipeline and…

计算机视觉与模式识别 · 计算机科学 2026-02-10 Zhang Li , Yuliang Liu , Qiang Liu , Zhiyin Ma , Ziyang Zhang , Shuo Zhang , Biao Yang , Zidun Guo , Jiarui Zhang , Xinyu Wang , Xiang Bai

Recent advancements in Large Language Models (LLMs) have significantly improved their performance across various Natural Language Processing (NLP) tasks. However, LLMs still struggle with generating non-factual responses due to limitations…

计算与语言 · 计算机科学 2024-09-10 Taeho Hwang , Soyeong Jeong , Sukmin Cho , SeungYoon Han , Jong C. Park

LLMs are increasingly used for high-stakes decision-making, yet their sensitivity to spurious contextual information can introduce harmful biases. This is a critical concern when models are deployed for tasks like evaluating teachers'…

人工智能 · 计算机科学 2026-04-17 Hyunji Nam , Dorottya Demszky