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Large language models (LLMs) exhibit strong semantic understanding, yet struggle when user instructions involve ambiguous or conceptually misaligned terms. We propose the Language Graph Model (LGM) to enhance conceptual clarity by…

计算与语言 · 计算机科学 2025-11-06 Wenchang Lei , Ping Zou , Yue Wang , Feng Sun , Lei Zhao

Large language models (LLMs) exhibit remarkable capabilities across diverse tasks, yet aligning them efficiently and effectively with human expectations remains a critical challenge. This thesis advances LLM alignment by introducing novel…

计算与语言 · 计算机科学 2025-06-12 Yuxin Jiang

Collecting labeled datasets in finance is challenging due to scarcity of domain experts and higher cost of employing them. While Large Language Models (LLMs) have demonstrated remarkable performance in data annotation tasks on general…

Recent studies have highlighted the significant potential of Large Language Models (LLMs) as zero-shot relevance rankers. These methods predominantly utilize prompt learning to assess the relevance between queries and documents by…

信息检索 · 计算机科学 2024-11-08 Dezhi Ye , Junwei Hu , Jiabin Fan , Bowen Tian , Jie Liu , Haijin Liang , Jin Ma

Relation extraction (RE) consistently involves a certain degree of labeled or unlabeled data even if under zero-shot setting. Recent studies have shown that large language models (LLMs) transfer well to new tasks out-of-the-box simply given…

人工智能 · 计算机科学 2023-11-27 Guozheng Li , Peng Wang , Wenjun Ke

Large Language Models (LLMs) have demonstrated impressive performance in biomedical relation extraction, even in zero-shot scenarios. However, evaluating LLMs in this task remains challenging due to their ability to generate human-like…

计算与语言 · 计算机科学 2025-06-03 Md Tahmid Rahman Laskar , Israt Jahan , Elham Dolatabadi , Chun Peng , Enamul Hoque , Jimmy Huang

Document-level Relation Extraction (DRE) aims to recognize the relations between two entities. The entity may correspond to multiple mentions that span beyond sentence boundary. Few previous studies have investigated the mention…

计算与语言 · 计算机科学 2022-01-14 Chao Zhao , Daojian Zeng , Lu Xu , Jianhua Dai

Entity resolution, which involves identifying and merging records that refer to the same real-world entity, is a crucial task in areas like Web data integration. This importance is underscored by the presence of numerous duplicated and…

数据库 · 计算机科学 2024-03-12 Huahang Li , Shuangyin Li , Fei Hao , Chen Jason Zhang , Yuanfeng Song , Lei Chen

The large set of technical documentation of legacy accelerator systems, coupled with the retirement of experienced personnel, underscores the urgent need for efficient methods to preserve and transfer specialized knowledge. This paper…

信息检索 · 计算机科学 2025-09-03 Qing Dai , Rasmus Ischebeck , Maruisz Sapinski , Adam Grycner

Large language models (LLMs) have made significant progress in various domains, including healthcare. However, the specialized nature of clinical language understanding tasks presents unique challenges and limitations that warrant further…

计算与语言 · 计算机科学 2023-08-01 Yuqing Wang , Yun Zhao , Linda Petzold

Offline evaluation of search systems depends on test collections. These benchmarks provide the researchers with a corpus of documents, topics and relevance judgements indicating which documents are relevant for each topic. While test…

信息检索 · 计算机科学 2025-07-23 David Otero , Javier Parapar , Álvaro Barreiro

To process contexts with unlimited length using Large Language Models (LLMs), recent studies explore hierarchically managing the long text. Only several text fragments are taken from the external memory and passed into the temporary working…

计算与语言 · 计算机科学 2024-06-06 Xihang Yue , Linchao Zhu , Yi Yang

Relation Extraction (RE) serves as a crucial technology for transforming unstructured text into structured information, especially within the framework of Knowledge Graph development. Its importance is emphasized by its essential role in…

计算与语言 · 计算机科学 2024-06-27 Dawulie Jinensibieke , Mieradilijiang Maimaiti , Wentao Xiao , Yuanhang Zheng , Xiaobo Wang

This comprehensive survey delves into the latest advancements in Relation Extraction (RE), a pivotal task in natural language processing essential for applications across biomedical, financial, and legal sectors. This study highlights the…

计算与语言 · 计算机科学 2025-07-03 Jose A. Diaz-Garcia , Julio Amador Diaz Lopez

Entity matching is the task of linking records from different sources that refer to the same real-world entity. Past work has primarily treated entity linking as a standard supervised learning problem. However, supervised entity matching…

计算与语言 · 计算机科学 2024-10-01 Somin Wadhwa , Adit Krishnan , Runhui Wang , Byron C. Wallace , Chris Kong

Specialized entity linking (EL) models are well-trained at mapping mentions to unique knowledge base (KB) entities according to a given context. However, specialized EL models struggle to disambiguate long-tail entities due to their limited…

计算与语言 · 计算机科学 2025-09-29 Amy Xin , Yunjia Qi , Zijun Yao , Fangwei Zhu , Kaisheng Zeng , Xu Bin , Lei Hou , Juanzi Li

In the field of Natural Language Processing (NLP), Large Language Models (LLMs) have shown great potential in document-level event extraction tasks, but existing methods face challenges in the design of prompts. To address this issue, we…

计算与语言 · 计算机科学 2024-08-13 Zhuoyuan Liu , Yilin Luo

We address the fundamental task of inferring cross-document coreference and hierarchy in scientific texts, which has important applications in knowledge graph construction, search, recommendation and discovery. Large Language Models (LLMs)…

计算与语言 · 计算机科学 2026-02-04 Lior Forer , Tom Hope

Augmenting Large Language Models (LLMs) with retrieved external knowledge has proven effective for improving the factual accuracy of generated responses. Despite their success, retrieval-augmented LLMs still face the distractibility issue,…

计算与语言 · 计算机科学 2025-02-18 Zexuan Qiu , Zijing Ou , Bin Wu , Jingjing Li , Aiwei Liu , Irwin King

Large Language Models (LLMs) have shown useful applications in a variety of tasks, including data wrangling. In this paper, we investigate the use of an off-the-shelf LLM for schema matching. Our objective is to identify semantic…

数据库 · 计算机科学 2024-07-17 Marcel Parciak , Brecht Vandevoort , Frank Neven , Liesbet M. Peeters , Stijn Vansummeren