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Document-level relation extraction (RE) aims to extract the relations between entities from the input document that usually containing many difficultly-predicted entity pairs whose relations can only be predicted through relational…

计算与语言 · 计算机科学 2022-11-29 Liang Zhang , Jinsong Su , Yidong Chen , Zhongjian Miao , Zijun Min , Qingguo Hu , Xiaodong Shi

Extracting multiple relations from text sentences is still a challenge for current Open Relation Extraction (Open RE) tasks. In this paper, we develop several Open RE models based on the bidirectional LSTM-CRF (BiLSTM-CRF) neural network…

计算与语言 · 计算机科学 2024-07-10 Tao Ni , Qing Wang , Gabriela Ferraro

Large Language Models (LLMs) have demonstrated exceptional abilities in comprehending and generating text, motivating numerous researchers to utilize them for Information Extraction (IE) purposes, including Relation Extraction (RE).…

计算与语言 · 计算机科学 2024-07-29 Lilong Xue , Dan Zhang , Yuxiao Dong , Jie Tang

Relation extraction (RE) is an indispensable information extraction task in several disciplines. RE models typically assume that named entity recognition (NER) is already performed in a previous step by another independent model. Several…

计算与语言 · 计算机科学 2019-08-29 Tung Tran , Ramakanth Kavuluru

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

The field of relation extraction (RE) is experiencing a notable shift towards generative relation extraction (GRE), leveraging the capabilities of large language models (LLMs). However, we discovered that traditional relation extraction…

计算与语言 · 计算机科学 2024-02-19 Pengcheng Jiang , Jiacheng Lin , Zifeng Wang , Jimeng Sun , Jiawei Han

The goal of open relation extraction (OpenRE) is to develop an RE model that can generalize to new relations not encountered during training. Existing studies primarily formulate OpenRE as a clustering task. They first cluster all test…

计算与语言 · 计算机科学 2025-09-19 Hongyao Tu , Liang Zhang , Yujie Lin , Xin Lin , Haibo Zhang , Long Zhang , Jinsong Su

Relation Extraction (RE) refers to extracting the relation triples in the input text. Existing neural work based systems for RE rely heavily on manually labeled training data, but there are still a lot of domains where sufficient labeled…

计算与语言 · 计算机科学 2022-08-18 Xukun Luo , Ping Wang

Referring Expression Comprehension (REC) requires models to localize objects in images based on natural language descriptions. Research on the area remains predominantly English-centric, despite increasing global deployment demands. This…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Francisco Nogueira , Alexandre Bernardino , Bruno Martins

Relation extraction (RE) plays an important role in extracting knowledge from unstructured text but requires a large amount of labeled corpus. To reduce the expensive annotation efforts, semisupervised learning aims to leverage both labeled…

计算与语言 · 计算机科学 2021-03-16 Yusen Lin

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

Systematic comparison of methods for relation extraction (RE) is difficult because many experiments in the field are not described precisely enough to be completely reproducible and many papers fail to report ablation studies that would…

计算与语言 · 计算机科学 2021-07-14 Geeticka Chauhan , Matthew B. A. McDermott , Peter Szolovits

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

Biomedical relation extraction (RE) is the task of automatically identifying and characterizing relations between biomedical concepts from free text. RE is a central task in biomedical natural language processing (NLP) research and plays a…

计算与语言 · 计算机科学 2023-06-21 Po-Ting Lai , Chih-Hsuan Wei , Ling Luo , Qingyu Chen , Zhiyong Lu

Information Extraction (IE) is a transformative process that converts unstructured text data into a structured format by employing entity and relation extraction (RE) methodologies. The identification of the relation between a pair of…

计算与语言 · 计算机科学 2025-10-29 Sefika Efeoglu , Adrian Paschke

Relation classification (sometimes called 'extraction') requires trustworthy datasets for fine-tuning large language models, as well as for evaluation. Data collection is challenging for Indian languages, because they are syntactically and…

计算与语言 · 计算机科学 2021-10-20 Arijit Nag , Bidisha Samanta , Animesh Mukherjee , Niloy Ganguly , Soumen Chakrabarti

We present Belebele, a multiple-choice machine reading comprehension (MRC) dataset spanning 122 language variants. Significantly expanding the language coverage of natural language understanding (NLU) benchmarks, this dataset enables the…

Referring Expression Comprehension (REC) is a foundational cross-modal task that evaluates the interplay of language understanding, image comprehension, and language-to-image grounding. It serves as an essential testing ground for…

计算机视觉与模式识别 · 计算机科学 2025-06-16 Xuzheng Yang , Junzhuo Liu , Peng Wang , Guoqing Wang , Yang Yang , Heng Tao Shen

Relation Extraction (RE) is a crucial task in Information Extraction, which entails predicting relationships between entities within a given sentence. However, extending pre-trained RE models to other languages is challenging, particularly…

计算与语言 · 计算机科学 2023-04-21 Chiaming Hsu , Changtong Zan , Liang Ding , Longyue Wang , Xiaoting Wang , Weifeng Liu , Fu Lin , Wenbin Hu

Inter-personal relationship is the basis of human society. In order to automatically identify the relations between persons from texts, we need annotated data for training systems. However, there is a lack of a massive amount of such data…

计算与语言 · 计算机科学 2019-08-13 Haitao Wang , Zhengqiu He , Jin Ma , Wenliang Chen , Min Zhang