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Sparse Autoencoders (SAEs) can extract interpretable features from large language models (LLMs) without supervision. However, their effectiveness in downstream steering tasks is limited by the requirement for contrastive datasets or large…

Computation and Language · Computer Science 2026-05-05 Seonglae Cho , Zekun Wu , Adriano Koshiyama

Large language models (LLM) hold significant potential for applications in biomedicine, but they struggle with hallucinations and outdated knowledge. While retrieval-augmented generation (RAG) is generally employed to address these issues,…

Computation and Language · Computer Science 2025-09-23 Jiwoong Sohn , Yein Park , Chanwoong Yoon , Sihyeon Park , Hyeon Hwang , Mujeen Sung , Hyunjae Kim , Jaewoo Kang

We introduce a novel retrieval-augmented generation (RAG) framework tailored for multihop question answering. First, our system uses large language model (LLM) to decompose complex multihop questions into a sequence of single-hop…

Computation and Language · Computer Science 2025-08-14 Seokgi Lee

While large language models (LLMs) have demonstrated remarkable performance on high-level semantic tasks, they often struggle with fine-grained, token-level understanding and structural reasoning--capabilities that are essential for…

Computation and Language · Computer Science 2025-08-08 Chenzhuo Zhao , Xinda Wang , Yue Huang , Junting Lu , Ziqian Liu

Automated question-answering (QA) systems increasingly rely on retrieval-augmented generation (RAG) to ground large language models (LLMs) in authoritative medical knowledge, ensuring clinical accuracy and patient safety in Artificial…

Computation and Language · Computer Science 2026-03-05 Aswini Sivakumar , Vijayan Sugumaran , Yao Qiang

Generative pre-trained transformer (GPT) models have shown promise in clinical entity and relation extraction tasks because of their precise extraction and contextual understanding capability. In this work, we further leverage the Unified…

Computation and Language · Computer Science 2024-07-16 Kriti Bhattarai , Inez Y. Oh , Zachary B. Abrams , Albert M. Lai

The data and compute requirements of current language modeling technology pose challenges for the processing and analysis of low-resource languages. Declarative linguistic knowledge has the potential to partially bridge this data scarcity…

Computation and Language · Computer Science 2024-10-02 Bhargav Shandilya , Alexis Palmer

Large Language Models (LLMs) have shown improved generation performance through retrieval-augmented generation (RAG) following the retriever-reader paradigm, which supplements model inputs with externally retrieved knowledge. However, prior…

Computation and Language · Computer Science 2025-11-14 Zhanghao Hu , Qinglin Zhu , Siya Qi , Yulan He , Hanqi Yan , Lin Gui

Retrieval-Augmented Generation (RAG) has demonstrated significant effectiveness in enhancing large language models (LLMs) for complex multi-hop question answering (QA). For multi-hop QA tasks, current iterative approaches predominantly rely…

Computation and Language · Computer Science 2026-01-19 Yuling Shi , Maolin Sun , Zijun Liu , Mo Yang , Yixiong Fang , Tianran Sun , Xiaodong Gu

Retrieval-Augmented Generation (RAG) systems in the Intellectual Property (IP) field often struggle with diverse user queries, including colloquial expressions, spelling errors, and ambiguous terminology, leading to inaccurate retrieval and…

Computation and Language · Computer Science 2025-06-03 Runtao Ren , Jian Ma , Jianxi Luo

Retrieval augmented generation (RAG) combines the generative abilities of large language models (LLMs) with external knowledge sources to provide more accurate and up-to-date responses. Recent RAG advancements focus on improving retrieval…

Machine Reading Comprehension (MRC) is an essential task in evaluating natural language understanding. Existing MRC datasets primarily assess specific aspects of reading comprehension (RC), lacking a comprehensive MRC benchmark. To fill…

Computation and Language · Computer Science 2025-03-11 Shengkun Ma , Hao Peng , Lei Hou , Juanzi Li

Auto-regressive sequence generative models trained by Maximum Likelihood Estimation suffer the exposure bias problem in practical finite sample scenarios. The crux is that the number of training samples for Maximum Likelihood Estimation is…

Machine Learning · Statistics 2020-07-14 Yuxuan Song , Ning Miao , Hao Zhou , Lantao Yu , Mingxuan Wang , Lei Li

Pre-trained language models (PLMs) have achieved great success in NLP and have recently been used for tasks in computational semantics. However, these tasks do not fully benefit from PLMs since meaning representations are not explicitly…

Computation and Language · Computer Science 2023-06-02 Chunliu Wang , Huiyuan Lai , Malvina Nissim , Johan Bos

Multi-choice Machine Reading Comprehension (MRC) is a challenging extension of Natural Language Processing (NLP) that requires the ability to comprehend the semantics and logical relationships between entities in a given text. The MRC task…

Computation and Language · Computer Science 2023-07-19 Ruiqing Sun , Ping Jian

Large language models (LLMs) have achieved impressive performance on knowledge-intensive tasks, yet they often struggle with multi-step reasoning due to the unstructured nature of retrieved context. While retrieval-augmented generation…

Computation and Language · Computer Science 2026-01-30 Pengcheng Jiang , Lang Cao , Ruike Zhu , Minhao Jiang , Yunyi Zhang , Jiaming Shen , Jimeng Sun , Jiawei Han

Open-domain semantic parsing remains a challenging task, as neural models often rely on heuristics and struggle to handle unseen concepts. In this paper, we investigate the potential of large language models (LLMs) for this task and…

Computation and Language · Computer Science 2025-08-21 Xiao Zhang , Qianru Meng , Johan Bos

Question Answering (QA) is the task of automatically answering questions posed by humans in natural languages. There are different settings to answer a question, such as abstractive, extractive, boolean, and multiple-choice QA. As a popular…

Computation and Language · Computer Science 2023-04-07 Zhichao Duan , Xiuxing Li , Zhengyan Zhang , Zhenyu Li , Ning Liu , Jianyong Wang

This research aims to accelerate the inference speed of large language models (LLMs) with billions of parameters. We propose \textbf{S}mart \textbf{P}arallel \textbf{A}uto-\textbf{C}orrect d\textbf{E}coding (SPACE), an innovative approach…

Computation and Language · Computer Science 2024-05-21 Hanling Yi , Feng Lin , Hongbin Li , Peiyang Ning , Xiaotian Yu , Rong Xiao

Reading is integral to everyday life, and yet learning to read is a struggle for many young learners. During lessons, teachers can use comprehension questions to increase engagement, test reading skills, and improve retention. Historically…

Computation and Language · Computer Science 2022-04-07 Bilal Ghanem , Lauren Lutz Coleman , Julia Rivard Dexter , Spencer McIntosh von der Ohe , Alona Fyshe