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In this paper we propose a new framework to categorize social interactions in egocentric videos, we named InteractionGCN. Our method extracts patterns of relational and non-relational cues at the frame level and uses them to build a…

计算机视觉与模式识别 · 计算机科学 2021-06-09 Simone Felicioni , Mariella Dimiccoli

Emotions are an inherent part of human interactions, and consequently, it is imperative to develop AI systems that understand and recognize human emotions. During a conversation involving various people, a person's emotions are influenced…

计算与语言 · 计算机科学 2022-05-06 Abhinav Joshi , Ashwani Bhat , Ayush Jain , Atin Vikram Singh , Ashutosh Modi

Aspect-level sentiment classification aims to identify the sentiment polarity towards a specific aspect term in a sentence. Most current approaches mainly consider the semantic information by utilizing attention mechanisms to capture the…

计算与语言 · 计算机科学 2021-02-12 Xiaochen Hou , Jing Huang , Guangtao Wang , Xiaodong He , Bowen Zhou

Recognizing emotions in conversations is a challenging task due to the presence of contextual dependencies governed by self- and inter-personal influences. Recent approaches have focused on modeling these dependencies primarily via…

计算与语言 · 计算机科学 2020-05-21 Devamanyu Hazarika , Soujanya Poria , Roger Zimmermann , Rada Mihalcea

Commonsense knowledge is crucial to many natural language processing tasks. Existing works usually incorporate graph knowledge with conventional graph neural networks (GNNs), resulting in a sequential pipeline that compartmentalizes the…

计算与语言 · 计算机科学 2024-09-24 Hongbo Zhang , Chen Tang , Tyler Loakman , Bohao Yang , Stefan Goetze , Chenghua Lin

Emotion Recognition in Conversations (ERC) is a key step towards successful human-machine interaction. While the field has seen tremendous advancement in the last few years, new applications and implementation scenarios present novel…

计算与语言 · 计算机科学 2024-10-22 Patrícia Pereira , Helena Moniz , Joao Paulo Carvalho

Abuse on the Internet represents a significant societal problem of our time. Previous research on automated abusive language detection in Twitter has shown that community-based profiling of users is a promising technique for this task.…

计算与语言 · 计算机科学 2019-04-09 Pushkar Mishra , Marco Del Tredici , Helen Yannakoudakis , Ekaterina Shutova

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…

计算与语言 · 计算机科学 2020-10-01 Xu Han , Tianyu Gao , Yankai Lin , Hao Peng , Yaoliang Yang , Chaojun Xiao , Zhiyuan Liu , Peng Li , Maosong Sun , Jie Zhou

Relation extraction (RE) is a standard information extraction task playing a major role in downstream applications such as knowledge discovery and question answering. Although decoder-only large language models are excelling in generative…

计算与语言 · 计算机科学 2025-07-28 Yuhang Jiang , Ramakanth Kavuluru

Extracting relational triples (subject, predicate, object) from text enables the transformation of unstructured text data into structured knowledge. The named entity recognition (NER) and the relation extraction (RE) are two foundational…

计算与语言 · 计算机科学 2023-08-23 Hongyin Zhu

This paper focuses on the problem of unsupervised relation extraction. Existing probabilistic generative model-based relation extraction methods work by extracting sentence features and using these features as inputs to train a generative…

计算与语言 · 计算机科学 2020-09-29 Chenhan Yuan , Ryan Rossi , Andrew Katz , Hoda Eldardiry

Graph Neural Networks (GNNs) have gained great popularity in tackling various analytical tasks on graph-structured data (i.e., networks). Typical GNNs and their variants follow a message-passing manner that obtains network representations…

社会与信息网络 · 计算机科学 2022-06-16 Zhizhi Yu , Di Jin , Jianguo Wei , Ziyang Liu , Yue Shang , Yun Xiao , Jiawei Han , Lingfei Wu

The Convolutional Neural Network (CNN) has been the dominant image feature extractor in computer vision for years. However, it fails to get the relationship between images/objects and their hierarchical interactions which can be helpful for…

计算机视觉与模式识别 · 计算机科学 2019-12-05 Zheng-cong Fei

Numerous Graph Neural Networks (GNNs) have been developed to tackle the challenge of Knowledge Graph Embedding (KGE). However, many of these approaches overlook the crucial role of relation information and inadequately integrate it with…

机器学习 · 计算机科学 2024-09-24 Peyman Baghershahi , Reshad Hosseini , Hadi Moradi

We present a simple and effective approach to incorporating syntactic structure into neural attention-based encoder-decoder models for machine translation. We rely on graph-convolutional networks (GCNs), a recent class of neural networks…

计算与语言 · 计算机科学 2020-06-22 Jasmijn Bastings , Ivan Titov , Wilker Aziz , Diego Marcheggiani , Khalil Sima'an

Micro-Expression (ME) is the spontaneous, involuntary movement of a face that can reveal the true feeling. Recently, increasing researches have paid attention to this field combing deep learning techniques. Action units (AUs) are the…

计算机视觉与模式识别 · 计算机科学 2020-04-21 Ling Lo , Hong-Xia Xie , Hong-Han Shuai , Wen-Huang Cheng

We target on the document-level relation extraction in an end-to-end setting, where the model needs to jointly perform mention extraction, coreference resolution (COREF) and relation extraction (RE) at once, and gets evaluated in an…

计算与语言 · 计算机科学 2022-05-05 Liyan Xu , Jinho D. Choi

Detecting abusive language in social media conversations poses significant challenges, as identifying abusiveness often depends on the conversational context, characterized by the content and topology of preceding comments. Traditional…

计算与语言 · 计算机科学 2025-04-03 Célia Nouri , Jean-Philippe Cointet , Chloé Clavel

Sarcasm Explanation in Dialogue (SED) is a new yet challenging task, which aims to generate a natural language explanation for the given sarcastic dialogue that involves multiple modalities (\ie utterance, video, and audio). Although…

计算与语言 · 计算机科学 2025-01-07 Kun Ouyang , Liqiang Jing , Xuemeng Song , Meng Liu , Yupeng Hu , Liqiang Nie

Relation Extraction (RE) is a fundamental task of information extraction, which has attracted a large amount of research attention. Previous studies focus on extracting the relations within a sentence or document, while currently…

计算与语言 · 计算机科学 2022-11-01 Fengqi Wang , Fei Li , Hao Fei , Jingye Li , Shengqiong Wu , Fangfang Su , Wenxuan Shi , Donghong Ji , Bo Cai