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Document-level relation extraction (RE) poses new challenges compared to its sentence-level counterpart. One document commonly contains multiple entity pairs, and one entity pair occurs multiple times in the document associated with…

Computation and Language · Computer Science 2020-12-10 Wenxuan Zhou , Kevin Huang , Tengyu Ma , Jing Huang

Due to the exponential growth of biomedical literature, event and relation extraction are important tasks in biomedical text mining. Most work only focus on relation extraction, and detect a single entity pair mention on a short span of…

Computation and Language · Computer Science 2020-05-08 Elaheh ShafieiBavani , Antonio Jimeno Yepes , Xu Zhong , David Martinez Iraola

Representation learning of knowledge graphs aims to embed entities and relations into low-dimensional vectors. Most existing works only consider the direct relations or paths between an entity pair. It is considered that such approaches…

Computation and Language · Computer Science 2022-10-24 Sirui Li , Kok Wai Wong , Dengya Zhu , Chun Che Fung

To minimize the accelerating amount of time invested in the biomedical literature search, numerous approaches for automated knowledge extraction have been proposed. Relation extraction is one such task where semantic relations between the…

Computation and Language · Computer Science 2020-09-22 Shweta Yadav , Srivatsa Ramesh , Sriparna Saha , Asif Ekbal

This paper presents a comprehensive exploration of relation extraction utilizing advanced language models, specifically Chain of Thought (CoT) and Graphical Reasoning (GRE) techniques. We demonstrate how leveraging in-context learning with…

Computation and Language · Computer Science 2024-05-02 Yicheng Tao , Yiqun Wang , Longju Bai

Document-level entity-based extraction (EE), aiming at extracting entity-centric information such as entity roles and entity relations, is key to automatic knowledge acquisition from text corpora for various domains. Most document-level EE…

Computation and Language · Computer Science 2021-09-13 Kung-Hsiang Huang , Sam Tang , Nanyun Peng

Knowledge Tracing (KT) aims to model a student's learning trajectory and predict performance on the next question. A key challenge is how to better represent the relationships among students, questions, and knowledge concepts (KCs).…

Artificial Intelligence · Computer Science 2026-01-26 Chi Yu , Hongyu Yuan , Zhiyi Duan

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

Joint entity and relation extraction aims to extract relation triplets from plain text directly. Prior work leverages Sequence-to-Sequence (Seq2Seq) models for triplet sequence generation. However, Seq2Seq enforces an unnecessary order on…

Computation and Language · Computer Science 2020-10-07 Ranran Haoran Zhang , Qianying Liu , Aysa Xuemo Fan , Heng Ji , Daojian Zeng , Fei Cheng , Daisuke Kawahara , Sadao Kurohashi

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

Our study delves into Multimodal Entity Linking, aligning the mention in multimodal information with entities in knowledge base. Existing methods are still facing challenges like ambiguous entity representations and limited image…

Computation and Language · Computer Science 2024-07-18 Shezheng Song , Shasha Li , Jie Yu , Shan Zhao , Xiaopeng Li , Jun Ma , Xiaodong Liu , Zhuo Li , Xiaoguang Mao

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…

Computation and Language · Computer Science 2021-09-24 Chenguang Wang , Xiao Liu , Zui Chen , Haoyun Hong , Jie Tang , Dawn Song

Multimodal learning is a recent challenge that extends unimodal learning by generalizing its domain to diverse modalities, such as texts, images, or speech. This extension requires models to process and relate information from multiple…

Information Retrieval · Computer Science 2022-09-29 Cheng-An Hsieh , Cheng-Ping Hsieh , Pu-Jen Cheng

Document-level Relation Extraction (DocRE) is a more challenging task compared to its sentence-level counterpart. It aims to extract relations from multiple sentences at once. In this paper, we propose a semi-supervised framework for DocRE…

Computation and Language · Computer Science 2022-03-22 Qingyu Tan , Ruidan He , Lidong Bing , Hwee Tou Ng

Document-level Relation Extraction (RE) requires extracting relations expressed within and across sentences. Recent works show that graph-based methods, usually constructing a document-level graph that captures document-aware interactions,…

Computation and Language · Computer Science 2021-06-08 Damai Dai , Jing Ren , Shuang Zeng , Baobao Chang , Zhifang Sui

Multimodal information extraction (MIE) aims to extract structured information from unstructured multimedia content. Due to the diversity of tasks and settings, most current MIE models are task-specific and data-intensive, which limits…

Computation and Language · Computer Science 2023-10-05 Yuxuan Sun , Kai Zhang , Yu Su

This paper contributes a joint embedding model for predicting relations between a pair of entities in the scenario of relation inference. It differs from most stand-alone approaches which separately operate on either knowledge bases or free…

Computation and Language · Computer Science 2015-07-08 Miao Fan , Kai Cao , Yifan He , Ralph Grishman

Entity and Relation Extraction (ERE) is an important task in information extraction. Recent marker-based pipeline models achieve state-of-the-art performance, but still suffer from the error propagation issue. Also, most of current ERE…

Computation and Language · Computer Science 2023-10-27 Zhaohui Yan , Songlin Yang , Wei Liu , Kewei Tu

Document-level relation extraction (DocRE) poses the challenge of identifying relationships between entities within a document as opposed to the traditional RE setting where a single sentence is input. Existing approaches rely on logical…

Information Retrieval · Computer Science 2024-01-23 Monika Jain , Raghava Mutharaju , Ramakanth Kavuluru , Kuldeep Singh

Many popular knowledge graphs such as Freebase, YAGO or DBPedia maintain a list of non-discrete attributes for each entity. Intuitively, these attributes such as height, price or population count are able to richly characterize entities in…

Artificial Intelligence · Computer Science 2017-08-17 Yi Tay , Luu Anh Tuan , Minh C. Phan , Siu Cheung Hui