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The age of social media is rife with memes. Understanding and detecting harmful memes pose a significant challenge due to their implicit meaning that is not explicitly conveyed through the surface text and image. However, existing harmful…

计算与语言 · 计算机科学 2023-12-12 Hongzhan Lin , Ziyang Luo , Jing Ma , Long Chen

Semi-supervised learning is a model training method that uses both labeled and unlabeled data. This paper proposes a fully Bayes semi-supervised learning algorithm that can be applied to any multi-category classification problem. We assume…

机器学习 · 统计学 2024-07-22 Rui Zhu , Shuvrarghya Ghosh , Subhashis Ghosal

Due to the increasing trend of performing spamming activities (e.g., Web spam, deceptive reviews, fake followers, etc.) on various online platforms to gain undeserved benefits, spam detection has emerged as a hot research issue. Previous…

信息检索 · 计算机科学 2025-05-16 Yuli Liu

The application of deep learning to medical image segmentation has been hampered due to the lack of abundant pixel-level annotated data. Few-shot Semantic Segmentation (FSS) is a promising strategy for breaking the deadlock. However, a…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Xiaoang Shen , Guokai Zhang , Huilin Lai , Jihao Luo , Jianwei Lu , Ye Luo

A significant challenge in sound event detection (SED) is the effective utilization of unlabeled data, given the limited availability of labeled data due to high annotation costs. Semi-supervised algorithms rely on labeled data to learn…

声音 · 计算机科学 2024-09-27 Pengfei Cai , Yan Song , Nan Jiang , Qing Gu , Ian McLoughlin

The social NLP research community witness a recent surge in the computational advancements of mental health analysis to build responsible AI models for a complex interplay between language use and self-perception. Such responsible AI models…

计算与语言 · 计算机科学 2024-01-15 Muskan Garg , MSVPJ Sathvik , Amrit Chadha , Shaina Raza , Sunghwan Sohn

Social network platforms (SNP) rely heavily on user-generated content to attract users, yet they have limited control over content provision, which leads to misinformation. As countermeasures, SNPs have implemented policies to notify users…

计算机科学与博弈论 · 计算机科学 2025-03-11 Ya-Ting Yang , Tao Li , Quanyan Zhu

Concept Bottleneck Models (CBMs) have garnered increasing attention due to their ability to provide concept-based explanations for black-box deep learning models while achieving high final prediction accuracy using human-like concepts.…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Lijie Hu , Tianhao Huang , Huanyi Xie , Xilin Gong , Chenyang Ren , Zhengyu Hu , Lu Yu , Ping Ma , Di Wang

With the ever-increasing spread of misinformation on online social networks, it has become very important to identify the spreaders of misinformation (unintentional), disinformation (intentional), and misinformation refutation. It can help…

社会与信息网络 · 计算机科学 2023-05-02 Euna Mehnaz Khan , Ayush Ram , Bhavtosh Rath , Emily Vraga , Jaideep Srivastava

Compromised accounts on social networks are regular user accounts that have been taken over by an entity with malicious intent. Since the adversary exploits the already established trust of a compromised account, it is crucial to detect…

社会与信息网络 · 计算机科学 2020-10-26 Dominic Seyler , Lunan Li , ChengXiang Zhai

The proposed algorithmic approach deals with finding the sense of a word in an electronic data. Now a day,in different communication mediums like internet, mobile services etc. people use few words, which are slang in nature. This approach…

计算与语言 · 计算机科学 2017-02-15 Alok Ranjan Pal , Diganta Saha

Background: Most of the existing machine learning models for security tasks, such as spam detection, malware detection, or network intrusion detection, are built on supervised machine learning algorithms. In such a paradigm, models need a…

密码学与安全 · 计算机科学 2022-05-03 Rui Shu , Tianpei Xia , Huy Tu , Laurie Williams , Tim Menzies

Leveraging unlabelled data through weak or distant supervision is a compelling approach to developing more effective text classification models. This paper proposes a simple but effective data augmentation method, which leverages the idea…

计算与语言 · 计算机科学 2021-07-19 Qin Ruan , Brian Mac Namee , Ruihai Dong

We propose a general semi-supervised inference framework focused on the estimation of the population mean. As usual in semi-supervised settings, there exists an unlabeled sample of covariate vectors and a labeled sample consisting of…

统计方法学 · 统计学 2018-08-15 Anru Zhang , Lawrence D. Brown , T. Tony Cai

Semi-supervised learning (SSL) is a class of supervised learning tasks and techniques that also exploits the unlabeled data for training. SSL significantly reduces labeling related costs and is able to handle large data sets. The primary…

机器学习 · 计算机科学 2016-06-30 Eftychios Protopapadakis

The shared real-time information about natural disasters on social media platforms like Twitter and Facebook plays a critical role in informing volunteers, emergency managers, and response organizations. However, supervised learning models…

计算与语言 · 计算机科学 2023-10-24 Henry Peng Zou , Yue Zhou , Cornelia Caragea , Doina Caragea

The prevalence of harmful content on social media platforms poses significant risks to users and society, necessitating more effective and scalable content moderation strategies. Current approaches rely on human moderators, supervised…

计算与语言 · 计算机科学 2025-01-27 Akash Bonagiri , Lucen Li , Rajvardhan Oak , Zeerak Babar , Magdalena Wojcieszak , Anshuman Chhabra

Social media platforms like Twitter, Facebook, and Instagram have facilitated the spread of misinformation, necessitating automated detection systems. This systematic review evaluates 36 studies that apply machine learning (ML) and deep…

机器学习 · 计算机科学 2025-06-24 Yunchong Liu , Xiaorui Shen , Yeyubei Zhang , Zhongyan Wang , Yexin Tian , Jianglai Dai , Yuchen Cao

Many works related to Twitter aim at characterizing its users in some way: role on the service (spammers, bots, organizations, etc.), nature of the user (socio-professional category, age, etc.), topics of interest , and others. However, for…

计算与语言 · 计算机科学 2016-08-01 Jean-Valère Cossu , Vincent Labatut , Nicolas Dugué

Despite growing efforts to halt distasteful content on social media, multilingualism has added a new dimension to this problem. The scarcity of resources makes the challenge even greater when it comes to low-resource languages. This work…

社会与信息网络 · 计算机科学 2024-10-30 Mohammad Zia Ur Rehman , Somya Mehta , Kuldeep Singh , Kunal Kaushik , Nagendra Kumar