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Sentiment analysis is known as one of the most crucial tasks in the field of natural language processing and Convolutional Neural Network (CNN) is one of those prominent models that is commonly used for this aim. Although convolutional…

Computation and Language · Computer Science 2021-02-24 Hossein Sadr , Mozhdeh Nazari Solimandarabi , Mir Mohsen Pedram , Mohammad Teshnehlab

We focus on graph-to-sequence learning, which can be framed as transducing graph structures to sequences for text generation. To capture structural information associated with graphs, we investigate the problem of encoding graphs using…

Computation and Language · Computer Science 2019-09-10 Zhijiang Guo , Yan Zhang , Zhiyang Teng , Wei Lu

Emotion recognition in conversation (ERC) is a crucial component in affective dialogue systems, which helps the system understand users' emotions and generate empathetic responses. However, most works focus on modeling speaker and…

Computation and Language · Computer Science 2021-07-15 Jingwen Hu , Yuchen Liu , Jinming Zhao , Qin Jin

With the popularity of social networks, and e-commerce websites, sentiment analysis has become a more active area of research in the past few years. On a high level, sentiment analysis tries to understand the public opinion about a specific…

Computation and Language · Computer Science 2019-04-14 Shervin Minaee , Elham Azimi , AmirAli Abdolrashidi

Emotion Recognition in Conversations (ERC) facilitates a deeper understanding of the emotions conveyed by speakers in each utterance within a conversation. Recently, Graph Neural Networks (GNNs) have demonstrated their strengths in…

Computation and Language · Computer Science 2024-12-24 Cuong Tran Van , Thanh V. T. Tran , Van Nguyen , Truong Son Hy

Predictive tasks on relational databases are critical in real-world applications spanning e-commerce, healthcare, and social media. To address these tasks effectively, Relational Deep Learning (RDL) encodes relational data as graphs,…

Machine Learning · Computer Science 2025-06-10 Tianlang Chen , Charilaos Kanatsoulis , Jure Leskovec

Machine learning techniques for road networks hold the potential to facilitate many important transportation applications. Graph Convolutional Networks (GCNs) are neural networks that are capable of leveraging the structure of a road…

Machine Learning · Computer Science 2020-07-23 Tobias Skovgaard Jepsen , Christian S. Jensen , Thomas Dyhre Nielsen

Graph Convolutional Networks (GCNs) have recently been shown to be quite successful in modeling graph-structured data. However, the primary focus has been on handling simple undirected graphs. Multi-relational graphs are a more general and…

Machine Learning · Computer Science 2020-01-22 Shikhar Vashishth , Soumya Sanyal , Vikram Nitin , Partha Talukdar

Dependency trees convey rich structural information that is proven useful for extracting relations among entities in text. However, how to effectively make use of relevant information while ignoring irrelevant information from the…

Computation and Language · Computer Science 2020-09-08 Zhijiang Guo , Yan Zhang , Wei Lu

Relation Extraction is a way of obtaining the semantic relationship between entities in text. The state-of-the-art methods use linguistic tools to build a graph for the text in which the entities appear and then a Graph Convolutional…

Computation and Language · Computer Science 2020-08-28 Sunil Kumar Sahu , Derek Thomas , Billy Chiu , Neha Sengupta , Mohammady Mahdy

Visual multimedia have become an inseparable part of our digital social lives, and they often capture moments tied with deep affections. Automated visual sentiment analysis tools can provide a means of extracting the rich feelings and…

Computer Vision and Pattern Recognition · Computer Science 2017-01-30 Victor Campos , Brendan Jou , Xavier Giro-i-Nieto

Traditional approaches in speech emotion recognition, such as LSTM, CNN, RNN, SVM, and MLP, have limitations such as difficulty capturing long-term dependencies in sequential data, capturing the temporal dynamics, and struggling to capture…

Sound · Computer Science 2023-08-10 Samiul Islam , Md. Maksudul Haque , Abu Jobayer Md. Sadat

Aspect-level sentiment analysis aims to determine the sentiment polarity towards a specific target in a sentence. The main challenge of this task is to effectively model the relation between targets and sentiments so as to filter out noisy…

Computation and Language · Computer Science 2022-11-08 Lvxiaowei Xu , Xiaoxuan Pang , Jianwang Wu , Ming Cai , Jiawei Peng

In this paper, we study the problem of learning Graph Convolutional Networks (GCNs) for regression. Current architectures of GCNs are limited to the small receptive field of convolution filters and shared transformation matrix for each…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Long Zhao , Xi Peng , Yu Tian , Mubbasir Kapadia , Dimitris N. Metaxas

Various approaches have been proposed for providing efficient computational approaches for abstract argumentation. Among them, neural networks have permitted to solve various decision problems, notably related to arguments (credulous or…

Artificial Intelligence · Computer Science 2024-09-26 Paul Cibier , Jean-Guy Mailly

Recommendation systems harness user-item interactions like clicks and reviews to learn their representations. Previous studies improve recommendation accuracy and interpretability by modeling user preferences across various aspects and…

Information Retrieval · Computer Science 2024-11-19 Fan Liu , Yaqi Liu , Huilin Chen , Zhiyong Cheng , Liqiang Nie , Mohan Kankanhalli

Owing to the recent developments in Generative Artificial Intelligence (GenAI) and Large Language Models (LLM), conversational agents are becoming increasingly popular and accepted. They provide a human touch by interacting in ways familiar…

Computation and Language · Computer Science 2023-10-31 Fathima Abdul Rahman , Guang Lu

The application of machine learning techniques in the setting of road networks holds the potential to facilitate many important intelligent transportation applications. Graph Convolutional Networks (GCNs) are neural networks that are…

Machine Learning · Computer Science 2020-09-16 Tobias Skovgaard Jepsen , Christian S. Jensen , Thomas Dyhre Nielsen

Identifying controversial posts on social media is a fundamental task for mining public sentiment, assessing the influence of events, and alleviating the polarized views. However, existing methods fail to 1) effectively incorporate the…

Computation and Language · Computer Science 2020-05-19 Lei Zhong , Juan Cao , Qiang Sheng , Junbo Guo , Ziang Wang

Images have become one of the most popular types of media through which users convey their emotions within online social networks. Although vast amount of research is devoted to sentiment analysis of textual data, there has been very…

Computer Vision and Pattern Recognition · Computer Science 2014-11-24 Can Xu , Suleyman Cetintas , Kuang-Chih Lee , Li-Jia Li