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Retrieval-Augmented Generation (RAG) mitigates hallucination in large language models (LLMs) by incorporating external knowledge during generation. However, the effectiveness of RAG depends not only on the design of the retriever and the…

计算与语言 · 计算机科学 2026-04-15 Xudong Wang , Chaoning Zhang , Qigan Sun , Zhenzhen Huang , Chang Lu , Sheng Zheng , Zeyu Ma , Caiyan Qin , Yang Yang , Hengtao Shen

In today's rapidly evolving landscape of Artificial Intelligence, large language models (LLMs) have emerged as a vibrant research topic. LLMs find applications in various fields and contribute significantly. Despite their powerful language…

计算与语言 · 计算机科学 2024-09-10 Tuan Bui , Oanh Tran , Phuong Nguyen , Bao Ho , Long Nguyen , Thang Bui , Tho Quan

Large Language Models (LLMs) increasingly mediate access to scholarly information, yet their outputs are typically evaluated at the level of individual statements rather than knowledge structure. This paper introduces structural…

社会与信息网络 · 计算机科学 2026-03-03 Moses Boudourides

In-context learning (ICL) has emerged as a new approach to various natural language processing tasks, utilizing large language models (LLMs) to make predictions based on context that has been supplemented with a few examples or…

计算与语言 · 计算机科学 2023-05-23 Linyong Nan , Yilun Zhao , Weijin Zou , Narutatsu Ri , Jaesung Tae , Ellen Zhang , Arman Cohan , Dragomir Radev

Large language models (LLMs) encapsulate a vast amount of factual information within their pre-trained weights, as evidenced by their ability to answer diverse questions across different domains. However, this knowledge is inherently…

人工智能 · 计算机科学 2024-01-31 Oded Ovadia , Menachem Brief , Moshik Mishaeli , Oren Elisha

Recent studies have shown that large language models (LLMs), when customized with post-training on tabular data, can acquire general tabular in-context learning (TabICL) capabilities. These models are able to transfer effectively across…

计算与语言 · 计算机科学 2025-02-06 Xumeng Wen , Shun Zheng , Zhen Xu , Yiming Sun , Jiang Bian

Retrieval-Augmented Generation (RAG) enhances the factuality of Large Language Models (LLMs) by incorporating retrieved documents and/or generated context. However, LLMs often exhibit a stylistic bias when presented with mixed contexts,…

计算与语言 · 计算机科学 2026-04-21 Jiaang Li , Zhendong Mao , Quan Wang , Yuning Wan , Yongdong Zhang

Recent studies have proposed leveraging Large Language Models (LLMs) as information retrievers through query rewriting. However, for challenging corpora, we argue that enhancing queries alone is insufficient for robust semantic matching;…

信息检索 · 计算机科学 2025-06-24 Jingming Liu , Yumeng Li , Wei Shi , Yao-Xiang Ding , Hui Su , Kun Zhou

Retrieval-augmented generation (RAG) with large language models (LLMs) is especially valuable in specialized domains, where precision is critical. To more specialize the LLMs into a target domain, domain-specific RAG has recently been…

计算与语言 · 计算机科学 2025-02-24 Juntae Lee , Jihwan Bang , Seunghan Yang , Kyuhong Shim , Simyung Chang

Large Language Models (LLMs) often struggle when prompted to generate content under specific constraints. However, in such cases it is often easy to check whether these constraints are satisfied or violated. Recent works have shown that…

计算与语言 · 计算机科学 2024-11-07 Liat Bezalel , Eyal Orgad , Amir Globerson

Real-world data, such as news articles, social media posts, and chatbot conversations, is inherently dynamic and non-stationary, presenting significant challenges for constructing real-time structured representations through knowledge…

计算与语言 · 计算机科学 2025-08-26 Sefika Efeoglu , Adrian Paschke , Sonja Schimmler

Recent advances in retrieval-augmented generation (RAG) furnish large language models (LLMs) with iterative retrievals of relevant information to handle complex multi-hop questions. These methods typically alternate between LLM reasoning…

计算与语言 · 计算机科学 2025-05-27 Rui Li , Quanyu Dai , Zeyu Zhang , Xu Chen , Zhenhua Dong , Ji-Rong Wen

Temporal reasoning over tabular data presents substantial challenges for large language models (LLMs), as evidenced by recent research. In this study, we conduct a comprehensive analysis of temporal datasets to pinpoint the specific…

计算与语言 · 计算机科学 2024-07-24 Irwin Deng , Kushagra Dixit , Vivek Gupta , Dan Roth

Data-to-Text Generation (D2T), a classic natural language generation problem, aims at producing fluent descriptions for structured input data, such as a table. Existing D2T works mainly focus on describing the superficial associative…

计算与语言 · 计算机科学 2024-08-16 Yuhao Dan , Junfeng Tian , Jie Zhou , Ming Yan , Ji Zhang , Qin Chen , Liang He

Large language models (LLMs) have gained significant attention in various fields but prone to hallucination, especially in knowledge-intensive (KI) tasks. To address this, retrieval-augmented generation (RAG) has emerged as a popular…

计算与语言 · 计算机科学 2024-04-23 Xiaoxi Li , Zhicheng Dou , Yujia Zhou , Fangchao Liu

Autoregressive large language models (LLMs) pre-trained by next token prediction are inherently proficient in generative tasks. However, their performance on knowledge-driven tasks such as factual knowledge querying remains unsatisfactory.…

计算与语言 · 计算机科学 2026-01-14 Peng Yu , Cheng Deng , Beiya Dai , Xinbing Wang , Ying Wen

Retrieval-augmented generation (RAG) has emerged as a critical mechanism in contemporary NLP to support Large Language Models(LLMs) in systematically accessing richer factual context. However, the integration of RAG mechanisms brings its…

计算与语言 · 计算机科学 2025-06-11 Leonardo Ranaldi , Marco Valentino , Andrè Freitas

Achievement. We introduce LORE, a systematic framework for Large Generative Model-based relevance in e-commerce search. Deployed and iterated over three years, LORE achieves a cumulative +27\% improvement in online GoodRate metrics. This…

信息检索 · 计算机科学 2026-01-07 Chenji Lu , Zhuo Chen , Hui Zhao , Zhiyuan Zeng , Gang Zhao , Junjie Ren , Ruicong Xu , Haoran Li , Songyan Liu , Pengjie Wang , Jian Xu , Bo Zheng

The central challenge of reasoning-intensive retrieval lies in identifying implicitreasoning relationships between queries and documents, rather than superficial se-mantic or lexical similarity. The contrastive learning paradigm is…

信息检索 · 计算机科学 2026-03-19 Guangzhi Wang , Yinghao Jiao , Zhi Liu

Large Language Models (LLMs) have demonstrated remarkable capabilities in natural language understanding and generation. However, they often struggle with complex reasoning tasks and are prone to hallucination. Recent research has shown…

计算与语言 · 计算机科学 2024-12-17 Xue Wu , Kostas Tsioutsiouliklis