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3D dense captioning is a recently-proposed novel task, where point clouds contain more geometric information than the 2D counterpart. However, it is also more challenging due to the higher complexity and wider variety of inter-object…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Yang Jiao , Shaoxiang Chen , Zequn Jie , Jingjing Chen , Lin Ma , Yu-Gang Jiang

Unsupervised relation extraction (URE) aims at discovering underlying relations between named entity pairs from open-domain plain text without prior information on relational distribution. Existing URE models utilizing contrastive learning,…

Computation and Language · Computer Science 2023-10-03 Guangxin Zhang , Shu Chen

The surging amount of biomedical literature & digital clinical records presents a growing need for text mining techniques that can not only identify but also semantically relate entities in unstructured data. In this paper we propose a text…

Computation and Language · Computer Science 2021-12-28 Hasham Ul Haq , Veysel Kocaman , David Talby

Pre-trained language models have contributed significantly to relation extraction by demonstrating remarkable few-shot learning abilities. However, prompt tuning methods for relation extraction may still fail to generalize to those rare or…

Computation and Language · Computer Science 2023-09-20 Xiang Chen , Lei Li , Ningyu Zhang , Chuanqi Tan , Fei Huang , Luo Si , Huajun Chen

Open relation extraction aims to cluster relation instances referring to the same underlying relation, which is a critical step for general relation extraction. Current OpenRE models are commonly trained on the datasets generated from…

Computation and Language · Computer Science 2021-06-18 Fangchao Liu , Lingyong Yan , Hongyu Lin , Xianpei Han , Le Sun

Relation Extraction (RE) is a pivotal task in automatically extracting structured information from unstructured text. In this paper, we present a multi-faceted approach that integrates representative examples and through co-set expansion.…

Computation and Language · Computer Science 2023-08-24 Yerong Li , Roxana Girju

Knowledge is a formal way of understanding the world, providing a human-level cognition and intelligence for the next-generation artificial intelligence (AI). One of the representations of knowledge is semantic relations between entities.…

Computation and Language · Computer Science 2021-02-09 Hailin Wang , Ke Qin , Rufai Yusuf Zakari , Guoming Lu , Jin Yin

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…

Computation and Language · Computer Science 2019-02-26 Gaurav Singh , Parminder Bhatia

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…

Computation and Language · Computer Science 2023-04-21 Chiaming Hsu , Changtong Zan , Liang Ding , Longyue Wang , Xiaoting Wang , Weifeng Liu , Fu Lin , Wenbin Hu

To alleviate human efforts from obtaining large-scale annotations, Semi-Supervised Relation Extraction methods aim to leverage unlabeled data in addition to learning from limited samples. Existing self-training methods suffer from the…

Computation and Language · Computer Science 2021-09-13 Xuming Hu , Chenwei Zhang , Fukun Ma , Chenyao Liu , Lijie Wen , Philip S. Yu

Relation extraction (RE) has been extensively studied due to its importance in real-world applications such as knowledge base construction and question answering. Most of the existing works train the models on either distantly supervised…

Computation and Language · Computer Science 2020-11-25 Woohwan Jung , Kyuseok Shim

Document-level relation extraction aims to extract relations among entities within a document. Compared with its sentence-level counterpart, Document-level relation extraction requires inference over multiple sentences to extract complex…

Computation and Language · Computer Science 2022-08-05 Liang Zhang , Yidong Cheng

Relational facts are an important component of human knowledge, which are hidden in vast amounts of text. In order to extract these facts from text, people have been working on relation extraction (RE) for years. From early pattern matching…

Computation and Language · Computer Science 2020-10-01 Xu Han , Tianyu Gao , Yankai Lin , Hao Peng , Yaoliang Yang , Chaojun Xiao , Zhiyuan Liu , Peng Li , Maosong Sun , Jie Zhou

Continual relation extraction (CRE) aims to solve the problem of catastrophic forgetting when learning a sequence of newly emerging relations. Recent CRE studies have found that catastrophic forgetting arises from the model's lack of…

Computation and Language · Computer Science 2023-10-11 Weimin Xiong , Yifan Song , Peiyi Wang , Sujian Li

Multimodal named entity recognition (MNER) and multimodal relation extraction (MRE) are two fundamental subtasks in the multimodal knowledge graph construction task. However, the existing methods usually handle two tasks independently,…

Computation and Language · Computer Science 2023-02-21 Li Yuan , Yi Cai , Jin Wang , Qing Li

Document-level relation extraction (RE) aims at extracting relations among entities expressed across multiple sentences, which can be viewed as a multi-label classification problem. In a typical document, most entity pairs do not express…

Computation and Language · Computer Science 2022-05-04 Yang Zhou , Wee Sun Lee

In this paper, we propose an approach for Relationship Extraction (RE) based on labeled graph kernels. The kernel we propose is a particularization of a random walk kernel that exploits two properties previously studied in the RE…

Computation and Language · Computer Science 2013-02-21 Gonçalo Simões , Helena Galhardas , David Matos

Document-level Relation Extraction (DocRE) is the task of extracting all semantic relationships from a document. While studies have been conducted on English DocRE, limited attention has been given to DocRE in non-English languages. This…

Computation and Language · Computer Science 2024-04-26 Youmi Ma , An Wang , Naoaki Okazaki

Current state-of-the-art relation extraction methods typically rely on a set of lexical, syntactic, and semantic features, explicitly computed in a pre-processing step. Training feature extraction models requires additional annotated…

Computation and Language · Computer Science 2019-06-10 Christoph Alt , Marc Hübner , Leonhard Hennig

Information Extraction (IE) is crucial for converting unstructured data into structured formats like Knowledge Graphs (KGs). A key task within IE is Relation Extraction (RE), which identifies relationships between entities in text. Various…

Computation and Language · Computer Science 2024-06-25 Sefika Efeoglu , Adrian Paschke