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Relation Extraction (RE) aims to label relations between groups of marked entities in raw text. Most current RE models learn context-aware representations of the target entities that are then used to establish relation between them. This…

计算与语言 · 计算机科学 2019-02-26 Gaurav Singh , Parminder Bhatia

Relation classification aims to extract semantic relations between entity pairs from the sentences. However, most existing methods can only identify seen relation classes that occurred during training. To recognize unseen relations at test…

计算与语言 · 计算机科学 2020-11-02 Juan Li , Ruoxu Wang , Ningyu Zhang , Wen Zhang , Fan Yang , Huajun Chen

In natural language, often multiple entities appear in the same text. However, most previous works in Relation Extraction (RE) limit the scope to identifying the relation between two entities at a time. Such an approach induces a quadratic…

计算与语言 · 计算机科学 2020-10-13 Zhijing Jin , Yongyi Yang , Xipeng Qiu , Zheng Zhang

Temporal relation extraction (TRE) is a fundamental task in natural language processing (NLP) that involves identifying the temporal relationships between events in a document. Despite the advances in large language models (LLMs), their…

计算与语言 · 计算机科学 2025-09-23 Alon Eirew , Kfir Bar , Ido Dagan

Open relation extraction is the task of extracting open-domain relation facts from natural language sentences. Existing works either utilize heuristics or distant-supervised annotations to train a supervised classifier over pre-defined…

计算与语言 · 计算机科学 2020-10-07 Xuming Hu , Chenwei Zhang , Yusong Xu , Lijie Wen , Philip S. Yu

Relation extraction (RE) is a sub-discipline of information extraction (IE) which focuses on the prediction of a relational predicate from a natural-language input unit (such as a sentence, a clause, or even a short paragraph consisting of…

计算与语言 · 计算机科学 2022-12-20 Alessandro Temperoni , Maria Biryukov , Martin Theobald

We present a novel framework to deal with relation extraction tasks in cases where there is complete lack of supervision, either in the form of gold annotations, or relations from a knowledge base. Our approach leverages syntactic parsing…

机器学习 · 计算机科学 2019-11-04 Yannis Papanikolaou , Ian Roberts , Andrea Pierleoni

Automatically inducing high quality knowledge graphs from a given collection of documents still remains a challenging problem in AI. One way to make headway for this problem is through advancements in a related task known as slot filling.…

计算与语言 · 计算机科学 2021-09-15 Michael Glass , Gaetano Rossiello , Md Faisal Mahbub Chowdhury , Alfio Gliozzo

In this work, we present a Web-based annotation tool `Relation Triplets Extractor' \footnote{https://abera87.github.io/annotate/} (RTE) for annotating relation triplets from the text. Relation extraction is an important task for extracting…

计算与语言 · 计算机科学 2021-08-19 Ankan Mullick , Animesh Bera , Tapas Nayak

Converting a model's internals to text can yield human-understandable insights about the model. Inspired by the recent success of training-free approaches for image captioning, we propose ZS-A2T, a zero-shot framework that translates the…

计算机视觉与模式识别 · 计算机科学 2023-11-10 Leonard Salewski , A. Sophia Koepke , Hendrik P. A. Lensch , Zeynep Akata

Zero-shot inference is a powerful paradigm that enables the use of large pretrained models for downstream classification tasks without further training. However, these models are vulnerable to inherited biases that can impact their…

机器学习 · 计算机科学 2024-02-13 Dyah Adila , Changho Shin , Linrong Cai , Frederic Sala

Document-level relation extraction (DocRE) aims to extract semantic relations among entity pairs in a document. Typical DocRE methods blindly take the full document as input, while a subset of the sentences in the document, noted as the…

计算与语言 · 计算机科学 2022-03-08 Yiqing Xie , Jiaming Shen , Sha Li , Yuning Mao , Jiawei Han

Document-level event argument extraction (DEAE) is essential for knowledge acquisition, aiming to extract participants of events from documents . In the zero-shot setting, existing methods employ LLMs to generate synthetic data to address…

计算与语言 · 计算机科学 2026-03-05 Guangjun Zhang , Hu Zhang , Yazhou Han , Yue Fan , Yuhang Shao , Ru Li , Hongye Tan

Relation extraction (RE) has achieved remarkable progress with the help of pre-trained language models. However, existing RE models are usually incapable of handling two situations: implicit expressions and long-tail relation types, caused…

计算与语言 · 计算机科学 2023-01-31 Zhen Wan , Qianying Liu , Zhuoyuan Mao , Fei Cheng , Sadao Kurohashi , Jiwei Li

Zero-shot learning is a learning regime that recognizes unseen classes by generalizing the visual-semantic relationship learned from the seen classes. To obtain an effective ZSL model, one may resort to curating training samples from…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Zhi Chen , Yadan Luo , Sen Wang , Jingjing Li , Zi Huang

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

Model quantization is a promising approach to compress deep neural networks and accelerate inference, making it possible to be deployed on mobile and edge devices. To retain the high performance of full-precision models, most existing…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Yuang Liu , Wei Zhang , Jun Wang

In this paper, we propose a new paradigm for the task of entity-relation extraction. We cast the task as a multi-turn question answering problem, i.e., the extraction of entities and relations is transformed to the task of identifying…

计算与语言 · 计算机科学 2019-09-05 Xiaoya Li , Fan Yin , Zijun Sun , Xiayu Li , Arianna Yuan , Duo Chai , Mingxin Zhou , Jiwei Li

Relation extraction (RE) models have been challenged by their reliance on training data with expensive annotations. Considering that summarization tasks aim at acquiring concise expressions of synoptical information from the longer context,…

计算与语言 · 计算机科学 2022-10-24 Keming Lu , I-Hung Hsu , Wenxuan Zhou , Mingyu Derek Ma , Muhao Chen

Zero-shot reinforcement learning (RL) promises to provide agents that can perform any task in an environment after an offline, reward-free pre-training phase. Methods leveraging successor measures and successor features have shown strong…

机器学习 · 计算机科学 2024-10-31 Scott Jeen , Tom Bewley , Jonathan M. Cullen