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Social networks represent a common form of interconnected data frequently depicted as graphs within the domain of deep learning-based inference. These communities inherently form dynamic systems, achieving stability through continuous…

Social and Information Networks · Computer Science 2023-10-04 Outongyi Lv , Bingxin Zhou , Jing Wang , Xiang Xiao , Weishu Zhao , Lirong Zheng

This paper addresses the limitations of multi-node perception and delayed scheduling response in distributed systems by proposing a GNN-based multi-node collaborative perception mechanism. The system is modeled as a graph structure.…

Machine Learning · Computer Science 2025-05-23 Wenxuan Zhu , Qiyuan Wu , Tengda Tang , Renzi Meng , Sheng Chai , Xuehui Quan

Online discussions are valuable resources to study user behaviour on a diverse set of topics. Unlike previous studies which model a discussion in a static manner, in the present study, we model it as a time-varying process and solve two…

Social and Information Networks · Computer Science 2019-08-13 Subhabrata Dutta , Dipankar Das , Tanmoy Chakraborty

Learning from structured data is a core machine learning task. Commonly, such data is represented as graphs, which normally only consider (typed) binary relationships between pairs of nodes. This is a substantial limitation for many domains…

Machine Learning · Computer Science 2022-09-07 Dobrik Georgiev , Marc Brockschmidt , Miltiadis Allamanis

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…

Computation and Language · Computer Science 2021-02-12 Xiaochen Hou , Jing Huang , Guangtao Wang , Xiaodong He , Bowen Zhou

This paper investigates the impact of observations on atmospheric state estimation in weather forecasting systems using graph neural networks (GNNs) and explainability methods. We integrate observation and Numerical Weather Prediction (NWP)…

Artificial Intelligence · Computer Science 2024-03-27 Hyeon-Ju Jeon , Jeon-Ho Kang , In-Hyuk Kwon , O-Joun Lee

Summarization has usually relied on gold standard summaries to train extractive or abstractive models. Social media brings a hurdle to summarization techniques since it requires addressing a multi-document multi-author approach. We address…

Computation and Language · Computer Science 2021-06-22 Ignacio Tampe Palma , Marcelo Mendoza , Evangelos Milios

We generalize the DeGroot model for opinion dynamics to better capture realistic social scenarios. We introduce a model where each agent has their own individual cognitive biases. Society is represented as a directed graph whose edges…

Multiagent Systems · Computer Science 2024-02-28 Mário S. Alvim , Artur Gaspar da Silva , Sophia Knight , Frank Valencia

Sarcasm is a sophisticated speech act which commonly manifests on social communities such as Twitter and Reddit. The prevalence of sarcasm on the social web is highly disruptive to opinion mining systems due to not only its tendency of…

Computation and Language · Computer Science 2018-05-09 Yi Tay , Luu Anh Tuan , Siu Cheung Hui , Jian Su

Due to their inherent capability in semantic alignment of aspects and their context words, attention mechanism and Convolutional Neural Networks (CNNs) are widely applied for aspect-based sentiment classification. However, these models lack…

Computation and Language · Computer Science 2019-10-15 Chen Zhang , Qiuchi Li , Dawei Song

The rapid production of data on the internet and the need to understand how users are feeling from a business and research perspective has prompted the creation of numerous automatic monolingual sentiment detection systems. More recently…

Computation and Language · Computer Science 2021-02-26 Nazanin Sabri , Ali Edalat , Behnam Bahrak

Aspect-level sentiment classification aims to distinguish the sentiment polarities over one or more aspect terms in a sentence. Existing approaches mostly model different aspects in one sentence independently, which ignore the sentiment…

Computation and Language · Computer Science 2019-06-12 Pinlong Zhaoa , Linlin Houb , Ou Wua

Detection of fake news is crucial to ensure the authenticity of information and maintain the news ecosystems reliability. Recently, there has been an increase in fake news content due to the recent proliferation of social media and fake…

Social and Information Networks · Computer Science 2022-07-28 Pallabi Saikia , Kshitij Gundale , Ankit Jain , Dev Jadeja , Harvi Patel , Mohendra Roy

In recent years, Graph Neural Networks (GNNs), which can naturally integrate node information and topological structure, have been demonstrated to be powerful in learning on graph data. These advantages of GNNs provide great potential to…

Information Retrieval · Computer Science 2019-11-26 Wenqi Fan , Yao Ma , Qing Li , Yuan He , Eric Zhao , Jiliang Tang , Dawei Yin

With the widespread use of language models (LMs) in NLP tasks, researchers have discovered the potential of Chain-of-thought (CoT) to assist LMs in accomplishing complex reasoning tasks by generating intermediate steps. However, human…

Computation and Language · Computer Science 2024-03-26 Yao Yao , Zuchao Li , Hai Zhao

Managing microservice architectures in distributed systems is complex and resource intensive due to the high frequency and dynamic nature of inter service interactions. Accurate prediction of these future interactions can enhance adaptive…

Machine Learning · Computer Science 2025-01-28 Ghazal Khodabandeh , Alireza Ezaz , Majid Babaei , Naser Ezzati-Jivan

Explaining neural network models is important for increasing their trustworthiness in real-world applications. Most existing methods generate post-hoc explanations for neural network models by identifying individual feature attributions or…

Computation and Language · Computer Science 2021-04-14 Hanjie Chen , Song Feng , Jatin Ganhotra , Hui Wan , Chulaka Gunasekara , Sachindra Joshi , Yangfeng Ji

Emotion Recognition in Conversations (ERC) is a critical aspect of affective computing, and it has many practical applications in healthcare, education, chatbots, and social media platforms. Earlier approaches for ERC analysis involved…

Computation and Language · Computer Science 2023-12-08 Gokul S Krishnan , Sarala Padi , Craig S. Greenberg , Balaraman Ravindran , Dinesh Manoch , Ram D. Sriram

Aspect-based sentiment analysis (ABSA) aims to identify aspect terms and determine their sentiment polarity. While dependency trees combined with contextual semantics provide structural cues, existing approaches often rely on dot-product…

Computation and Language · Computer Science 2026-03-10 Xinfeng Liao , Xuanqi Chen , Lianxi Wang , Jiahuan Yang , Zhuowei Chen , Ziying Rong

Generated hateful and toxic content by a portion of users in social media is a rising phenomenon that motivated researchers to dedicate substantial efforts to the challenging direction of hateful content identification. We not only need an…

Social and Information Networks · Computer Science 2019-10-29 Marzieh Mozafari , Reza Farahbakhsh , Noel Crespi