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Multimodal Information Extraction (MIE) has gained attention for extracting structured information from multimedia sources. Traditional methods tackle MIE tasks separately, missing opportunities to share knowledge across tasks. Recent…

Machine Learning · Computer Science 2025-05-13 Li Yuan , Yi Cai , Xudong Shen , Qing Li , Qingbao Huang , Zikun Deng , Tao Wang

Document-level event extraction is a long-standing challenging information retrieval problem involving a sequence of sub-tasks: entity extraction, event type judgment, and event type-specific multi-event extraction. However, addressing the…

Computation and Language · Computer Science 2023-07-03 Qizhi Wan , Changxuan Wan , Keli Xiao , Hui Xiong , Dexi Liu , Xiping Liu

We propose VADEC, a multi-task framework that exploits the correlation between the categorical and dimensional models of emotion representation for better subjectivity analysis. Focusing primarily on the effective detection of emotions from…

Information Retrieval · Computer Science 2021-09-21 Rajdeep Mukherjee , Atharva Naik , Sriyash Poddar , Soham Dasgupta , Niloy Ganguly

Entity alignment has always had significant uses within a multitude of diverse scientific fields. In particular, the concept of matching entities across networks has grown in significance in the world of social science as communicative…

Social and Information Networks · Computer Science 2020-04-21 James Flamino , Christopher Abriola , Ben Zimmerman , Zhongheng Li , Joel Douglas

The attention mechanism is a fundamental component of the Transformer model, contributing to interactions among distinct tokens, in contrast to earlier feed-forward neural networks. In general, the attention scores are determined simply by…

Computation and Language · Computer Science 2024-10-11 Chuanyang Zheng , Yihang Gao , Han Shi , Jing Xiong , Jiankai Sun , Jingyao Li , Minbin Huang , Xiaozhe Ren , Michael Ng , Xin Jiang , Zhenguo Li , Yu Li

Event Extraction (EE), aiming to identify and classify event triggers and arguments from event mentions, has benefited from pre-trained language models (PLMs). However, existing PLM-based methods ignore the information of trigger/argument…

Computation and Language · Computer Science 2023-05-22 Xingyu Bai , Taiqiang Wu , Han Guo , Zhe Zhao , Xuefeng Yang , Jiayi Li , Weijie Liu , Qi Ju , Weigang Guo , Yujiu Yang

Entity Alignment (EA) aims to match equivalent entities that refer to the same real-world objects and is a key step for Knowledge Graph (KG) fusion. Most neural EA models cannot be applied to large-scale real-life KGs due to their excessive…

Artificial Intelligence · Computer Science 2022-08-23 Bing Liu , Wen Hua , Guido Zuccon , Genghong Zhao , Xia Zhang

This study introduces a parameter-efficient Hierarchical Spatial Temporal Network (HiSTN) specifically designed for the task of emotion classification using multi-channel electroencephalogram data. The network incorporates a graph hierarchy…

Signal Processing · Electrical Eng. & Systems 2024-08-29 Dongyang Kuang , Xinyue Song , Craig Michoski

Image emotion classification (IEC) is a longstanding research field that has received increasing attention with the rapid progress of deep learning. Although recent advances have leveraged the knowledge encoded in pre-trained visual models,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Zibo Zhou , Zhengjun Zhai , Huimin Chen , Wei Dai , Hansen Yang

Introducing Entity-Aspect Sentiment Triplet Extraction (EASTE), a novel Aspect-Based Sentiment Analysis (ABSA) task which extends Target-Aspect-Sentiment Detection (TASD) by separating aspect categories (e.g., food#quality) into pre-defined…

Computation and Language · Computer Science 2024-07-08 Vorakit Vorakitphan , Milos Basic , Guilhaume Leroy Meline

Named Entity Recognition and Relation Extraction are two crucial and challenging subtasks in the field of Information Extraction. Despite the successes achieved by the traditional approaches, fundamental research questions remain open.…

Computation and Language · Computer Science 2024-05-15 Yao Wang , Xin Liu , Weikun Kong , Hai-Tao Yu , Teeradaj Racharak , Kyoung-Sook Kim , Minh Le Nguyen

Document-level Relation Extraction (DocRE) aims to identify relationships between entity pairs within a document. However, most existing methods assume a uniform label distribution, resulting in suboptimal performance on real-world,…

Computation and Language · Computer Science 2025-01-14 Khai Phan Tran , Wen Hua , Xue Li

The field of emotion recognition of conversation (ERC) has been focusing on separating sentence feature encoding and context modeling, lacking exploration in generative paradigms based on unified designs. In this study, we propose a novel…

Computation and Language · Computer Science 2024-08-30 Shanglin Lei , Guanting Dong , Xiaoping Wang , Keheng Wang , Runqi Qiao , Sirui Wang

Emotion recognition from audio signals has been regarded as a challenging task in signal processing as it can be considered as a collection of static and dynamic classification tasks. Recognition of emotions from speech data has been…

Sound · Computer Science 2020-09-21 Soham Chattopadhyay , Arijit Dey , Hritam Basak

This paper presents a contextualized graph attention network that combines edge features and multiple sub-graphs for improving relation extraction. A novel method is proposed to use multiple sub-graphs to learn rich node representations in…

Computation and Language · Computer Science 2020-04-23 Angrosh Mandya , Danushka Bollegala , Frans Coenen

Most existing emotion analysis emphasizes which emotion arises (e.g., happy, sad, angry) but neglects the deeper why. We propose Emotion Interpretation (EI), focusing on causal factors-whether explicit (e.g., observable objects,…

Artificial Intelligence · Computer Science 2025-04-18 Yuxiang Lin , Jingdong Sun , Zhi-Qi Cheng , Jue Wang , Haomin Liang , Zebang Cheng , Yifei Dong , Jun-Yan He , Xiaojiang Peng , Xian-Sheng Hua

Contract element extraction (CEE) is the novel task of automatically identifying and extracting legally relevant elements such as contract dates, payments, and legislation references from contracts. Automatic methods for this task view it…

Information Retrieval · Computer Science 2021-05-14 Zihan Wang , Hongye Song , Zhaochun Ren , Pengjie Ren , Zhumin Chen , Xiaozhong Liu , Hongsong Li , Maarten de Rijke

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 our system development for SemEval-2024 Task 3: "The Competition of Multimodal Emotion Cause Analysis in Conversations". Effectively capturing emotions in human conversations requires integrating multiple modalities such…

Computation and Language · Computer Science 2024-04-03 Arefa , Mohammed Abbas Ansari , Chandni Saxena , Tanvir Ahmad

Affective Behavior Analysis aims to develop emotionally intelligent technology that can recognize and respond to human emotions. To advance this field, the 7th Affective Behavior Analysis in-the-wild (ABAW) competition holds the Multi-Task…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Chen Liu , Wei Zhang , Feng Qiu , Lincheng Li , Xin Yu