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Large language models (LLMs) based on generative pre-trained Transformer have achieved remarkable performance on knowledge graph question-answering (KGQA) tasks. However, LLMs often produce ungrounded subgraph planning or reasoning results…

计算与语言 · 计算机科学 2025-03-10 Mufan Xu , Kehai Chen , Xuefeng Bai , Muyun Yang , Tiejun Zhao , Min Zhang

Multi-modal Retrieval-Augmented Generation (MMRAG) enables highly credible generation by integrating external multi-modal knowledge, thus demonstrating impressive performance in complex multi-modal scenarios. However, existing MMRAG methods…

人工智能 · 计算机科学 2025-12-22 Shengwei Zhao , Jingwen Yao , Sitong Wei , Linhai Xu , Yuying Liu , Dong Zhang , Zhiqiang Tian , Shaoyi Du

Open-source, multilingual medical large language models (LLMs) have the potential to serve linguistically diverse populations across different regions. Adapting generic LLMs for healthcare often requires continual pretraining, but this…

计算与语言 · 计算机科学 2024-09-10 Meng Zhou , Surajsinh Parmar , Anubhav Bhatti

Large language models (LLMs) often miscommunicate their uncertainty: repeated queries can produce divergent answers, yet generated responses are typically unhedged or hedged in ways that do not reflect this variability. This conveys…

计算与语言 · 计算机科学 2025-10-15 Bryan Eikema , Evgenia Ilia , José G. C. de Souza , Chrysoula Zerva , Wilker Aziz

Although achieving great success, Large Language Models (LLMs) usually suffer from unreliable hallucinations. Although language attribution can be a potential solution, there are no suitable benchmarks and evaluation metrics to attribute…

计算与语言 · 计算机科学 2024-05-24 Xinze Li , Yixin Cao , Liangming Pan , Yubo Ma , Aixin Sun

Parameter-Efficient Fine-Tuning (PEFT) methods enable efficient adaptation of Large Language Models (LLMs) to various downstream applications. However, the effectiveness of the PEFT diminishes notably when downstream tasks require accurate…

计算与语言 · 计算机科学 2024-05-29 Renzhi Wang , Piji Li

Pre-ranking plays a crucial role in large-scale recommender systems by significantly improving the efficiency and scalability within the constraints of providing high-quality candidate sets in real time. The two-tower model is widely used…

信息检索 · 计算机科学 2025-09-17 Chao Xiong , Xianwen Yu , Wei Xu , Lei Cheng , Chuan Yuan , Linjian Mo

Alignment with human preference is a desired property of large language models (LLMs). Currently, the main alignment approach is based on reinforcement learning from human feedback (RLHF). Despite the effectiveness of RLHF, it is intricate…

计算与语言 · 计算机科学 2024-04-16 Geyang Guo , Ranchi Zhao , Tianyi Tang , Wayne Xin Zhao , Ji-Rong Wen

Recent studies show that the reasoning capabilities of Large Language Models (LLMs) can be improved by applying Reinforcement Learning (RL) to question-answering (QA) tasks in areas such as math and coding. With a long context length, LLMs…

计算与语言 · 计算机科学 2025-10-17 Stephen Chung , Wenyu Du , Jie Fu

Medical visual question answering (Med-VQA) is a crucial multimodal task in clinical decision support and telemedicine. Recent methods fail to fully leverage domain-specific medical knowledge, making it difficult to accurately associate…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Xianyao Zheng , Hong Yu , Hui Cui , Changming Sun , Xiangyu Li , Ran Su , Leyi Wei , Jia Zhou , Junbo Wang , Qiangguo Jin

Chain-of-thought (CoT) reasoning has exhibited impressive performance in language models for solving complex tasks and answering questions. However, many real-world questions require multi-modal information, such as text and images.…

人工智能 · 计算机科学 2023-12-15 Liqi He , Zuchao Li , Xiantao Cai , Ping Wang

Knowledge-intensive conversations supported by large language models (LLMs) have become one of the most popular and helpful applications that can assist people in different aspects. Many current knowledge-intensive applications are centered…

人工智能 · 计算机科学 2025-02-14 Zitao Li , Fei Wei , Yuexiang Xie , Dawei Gao , Weirui Kuang , Zhijian Ma , Bingchen Qian , Yaliang Li , Bolin Ding

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm for Large Language Models (LLMs) to address knowledge-intensive queries requiring domain-specific or up-to-date information. To handle complex multi-hop questions that…

计算与语言 · 计算机科学 2026-01-05 Yuxin Wang , Shicheng Fang , Bo Wang , Qi Luo , Xuanjing Huang , Yining Zheng , Xipeng Qiu

Recent advances in reasoning-enhanced Large Language Models such as OpenAI-o1/3 and DeepSeek-R1 have significantly improved performance on complex tasks. However, the quality and transparency of their internal reasoning processes remain…

计算与语言 · 计算机科学 2025-06-04 Juncheng Wu , Sheng Liu , Haoqin Tu , Hang Yu , Xiaoke Huang , James Zou , Cihang Xie , Yuyin Zhou

Medical question-answering (QA) is a critical task for evaluating how effectively large language models (LLMs) encode clinical knowledge and assessing their potential applications in medicine. Despite showing promise on multiple-choice…

计算与语言 · 计算机科学 2025-03-06 Guangfu Guo , Kai Zhang , Bryan Hoo , Yujun Cai , Xiaoqian Lu , Nanyun Peng , Yiwei Wang

Large Language Models (LLMs) are proficient at generating coherent and contextually relevant text but face challenges when addressing knowledge-intensive queries in domain-specific and factual question-answering tasks. Retrieval-augmented…

信息检索 · 计算机科学 2024-10-08 Garima Agrawal , Tharindu Kumarage , Zeyad Alghamdi , Huan Liu

Knowledge-based Visual Question Answering (KVQA) requires both image and world knowledge to answer questions. Current methods first retrieve knowledge from the image and external knowledge base with the original complex question, then…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Wenbin An , Feng Tian , Jiahao Nie , Wenkai Shi , Haonan Lin , Yan Chen , QianYing Wang , Yaqiang Wu , Guang Dai , Ping Chen

Domain-specific question answering (QA) systems for services face unique challenges in integrating heterogeneous knowledge sources while ensuring both accuracy and safety. Existing large language models often struggle with factual…

计算与语言 · 计算机科学 2025-12-03 Lei Fu , Xiang Chen , Kaige Gao Xinyue Huang , Kejian Tong

The knowledge-augmented deep learning paradigm refers to a paradigm in which domain knowledge is identified and integrated into deep models. Conventional methods typically employ task-specific approaches to gather external knowledge from…

计算与语言 · 计算机科学 2023-07-06 Dingjun Wu , Jing Zhang , Xinmei Huang

Language models (LMs) are pre-trained on raw text datasets to generate text sequences token-by-token. While this approach facilitates the learning of world knowledge and reasoning, it does not explicitly optimize for linguistic competence.…

计算与语言 · 计算机科学 2026-04-17 Atsuki Yamaguchi , Maggie Mi , Nikolaos Aletras
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