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相关论文: Relational Triple Extraction: One Step is Enough

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Routing optimization is a relevant problem in many contexts. Solving directly this type of optimization problem is often computationally unfeasible. Recent studies suggest that one can instead turn this problem into one of solving a…

物理与社会 · 物理学 2020-12-11 Diego Baptista , Daniela Leite , Enrico Facca , Mario Putti , Caterina De Bacco

Recently, progress has been made towards improving relational reasoning in machine learning field. Among existing models, graph neural networks (GNNs) is one of the most effective approaches for multi-hop relational reasoning. In fact,…

计算与语言 · 计算机科学 2019-02-05 Hao Zhu , Yankai Lin , Zhiyuan Liu , Jie Fu , Tat-seng Chua , Maosong Sun

Named entity recognition (NER) and relation extraction (RE) are two important tasks in information extraction and retrieval (IE \& IR). Recent work has demonstrated that it is beneficial to learn these tasks jointly, which avoids the…

计算与语言 · 计算机科学 2020-01-01 John Giorgi , Xindi Wang , Nicola Sahar , Won Young Shin , Gary D. Bader , Bo Wang

Existing in-context learning (ICL) methods for relation extraction (RE) often prioritize language similarity over structural similarity, which can lead to overlooking entity relationships. To address this, we propose an AMR-enhanced…

计算与语言 · 计算机科学 2025-04-28 Peitao Han , Lis Kanashiro Pereira , Fei Cheng , Wan Jou She , Eiji Aramaki

Document-level relation extraction aims to identify relations between entities in a whole document. Prior efforts to capture long-range dependencies have relied heavily on implicitly powerful representations learned through (graph) neural…

计算与语言 · 计算机科学 2021-11-11 Dongyu Ru , Changzhi Sun , Jiangtao Feng , Lin Qiu , Hao Zhou , Weinan Zhang , Yong Yu , Lei Li

Numerical reasoning over hybrid data containing tables and long texts has recently received research attention from the AI community. To generate an executable reasoning program consisting of math and table operations to answer a question,…

计算与语言 · 计算机科学 2022-11-24 Xiao Li , Yin Zhu , Sichen Liu , Jiangzhou Ju , Yuzhong Qu , Gong Cheng

Relation extraction aims to classify the relationships between two entities into pre-defined categories. While previous research has mainly focused on sentence-level relation extraction, recent studies have expanded the scope to…

计算与语言 · 计算机科学 2023-10-16 Chufan Gao , Xulin Fan , Jimeng Sun , Xuan Wang

Dialogue relation extraction (DRE) aims to detect the relation between two entities mentioned in a multi-party dialogue. It plays an important role in constructing knowledge graphs from conversational data increasingly abundant on the…

计算与语言 · 计算机科学 2021-06-22 Hui Chen , Pengfei Hong , Wei Han , Navonil Majumder , Soujanya Poria

Relation extraction (RE) aims to identify semantic relationships between entities within text. Despite considerable advancements, existing models predominantly require extensive annotated training data, which is both costly and…

计算与语言 · 计算机科学 2024-10-28 Sizhe Zhou , Yu Meng , Bowen Jin , Jiawei Han

Most approaches to extraction multiple relations from a paragraph require multiple passes over the paragraph. In practice, multiple passes are computationally expensive and this makes difficult to scale to longer paragraphs and larger text…

计算与语言 · 计算机科学 2019-06-04 Haoyu Wang , Ming Tan , Mo Yu , Shiyu Chang , Dakuo Wang , Kun Xu , Xiaoxiao Guo , Saloni Potdar

Relation Extraction (RE) is a task that identifies relationships between entities in a text, enabling the acquisition of relational facts and bridging the gap between natural language and structured knowledge. However, current RE models…

计算与语言 · 计算机科学 2023-06-21 Pere-Lluís Huguet Cabot , Simone Tedeschi , Axel-Cyrille Ngonga Ngomo , Roberto Navigli

Document-level joint entity and relation extraction is a challenging information extraction problem that requires a unified approach where a single neural network performs four sub-tasks: mention detection, coreference resolution, entity…

计算与语言 · 计算机科学 2023-07-25 Witold Kosciukiewicz , Mateusz Wojcik , Tomasz Kajdanowicz , Adam Gonczarek

Semi-supervised bootstrapping techniques for relationship extraction from text iteratively expand a set of initial seed instances. Due to the lack of labeled data, a key challenge in bootstrapping is semantic drift: if a false positive…

计算与语言 · 计算机科学 2018-07-10 Pankaj Gupta , Benjamin Roth , Hinrich Schütze

Document-level relation extraction aims to extract relations among entities within a document. Different from sentence-level relation extraction, it requires reasoning over multiple sentences across a document. In this paper, we propose…

计算与语言 · 计算机科学 2020-09-30 Shuang Zeng , Runxin Xu , Baobao Chang , Lei Li

Joint extraction of entities and relations is an important task in information extraction. To tackle this problem, we firstly propose a novel tagging scheme that can convert the joint extraction task to a tagging problem. Then, based on our…

计算与语言 · 计算机科学 2017-06-19 Suncong Zheng , Feng Wang , Hongyun Bao , Yuexing Hao , Peng Zhou , Bo Xu

We cast a suite of information extraction tasks into a text-to-triple translation framework. Instead of solving each task relying on task-specific datasets and models, we formalize the task as a translation between task-specific input text…

计算与语言 · 计算机科学 2021-09-24 Chenguang Wang , Xiao Liu , Zui Chen , Haoyun Hong , Jie Tang , Dawn Song

This paper presents an empirical study to build relation extraction systems in low-resource settings. Based upon recent pre-trained language models, we comprehensively investigate three schemes to evaluate the performance in low-resource…

计算与语言 · 计算机科学 2023-09-19 Xin Xu , Xiang Chen , Ningyu Zhang , Xin Xie , Xi Chen , Huajun Chen

Relation Extraction (RE) is a fundamental task of information extraction, which has attracted a large amount of research attention. Previous studies focus on extracting the relations within a sentence or document, while currently…

计算与语言 · 计算机科学 2022-11-01 Fengqi Wang , Fei Li , Hao Fei , Jingye Li , Shengqiong Wu , Fangfang Su , Wenxuan Shi , Donghong Ji , Bo Cai

Solving math word problems requires deductive reasoning over the quantities in the text. Various recent research efforts mostly relied on sequence-to-sequence or sequence-to-tree models to generate mathematical expressions without…

计算与语言 · 计算机科学 2022-09-16 Zhanming Jie , Jierui Li , Wei Lu

Entity relation extraction consists of two sub-tasks: entity recognition and relation extraction. Existing methods either tackle these two tasks separately or unify them with word-by-word interactions. In this paper, we propose HIORE, a new…

计算与语言 · 计算机科学 2023-05-09 Yijun Wang , Changzhi Sun , Yuanbin Wu , Lei Li , Junchi Yan , Hao Zhou