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Representation learning with small labeled data have emerged in many problems, since the success of deep neural networks often relies on the availability of a huge amount of labeled data that is expensive to collect. To address it, many…

计算机视觉与模式识别 · 计算机科学 2021-01-05 Guo-Jun Qi , Jiebo Luo

Deep neural networks often struggle to learn robust representations in the presence of dataset biases, leading to suboptimal generalization on unbiased datasets. This limitation arises because the models heavily depend on peripheral and…

机器学习 · 计算机科学 2024-12-11 Carlo Alberto Barbano , Enzo Tartaglione , Marco Grangetto

Most of the proposed person re-identification algorithms conduct supervised training and testing on single labeled datasets with small size, so directly deploying these trained models to a large-scale real-world camera network may lead to…

计算机视觉与模式识别 · 计算机科学 2018-03-21 Jianming Lv , Weihang Chen , Qing Li , Can Yang

Web discussion forums are used by millions of people worldwide to share information belonging to a variety of domains such as automotive vehicles, pets, sports, etc. They typically contain posts that fall into different categories such as…

计算与语言 · 计算机科学 2016-04-26 Krish Perumal

Social media cyberbullying has a detrimental effect on human life. As online social networking grows daily, the amount of hate speech also increases. Such terrible content can cause depression and actions related to suicide. This paper…

机器学习 · 计算机科学 2023-08-22 Mst Shapna Akter , Hossain Shahriar , Alfredo Cuzzocrea

During time-critical situations such as natural disasters, rapid classification of data posted on social networks by affected people is useful for humanitarian organizations to gain situational awareness and to plan response efforts.…

计算机与社会 · 计算机科学 2018-05-17 Firoj Alam , Shafiq Joty , Muhammad Imran

Semi-supervised learning (SSL) provides an effective means of leveraging unlabelled data to improve a model performance. Even though the domain has received a considerable amount of attention in the past years, most methods present the…

机器学习 · 统计学 2023-03-06 Hugo Schmutz , Olivier Humbert , Pierre-Alexandre Mattei

One of the most promising approaches for unsupervised learning is combining deep representation learning and deep clustering. Some recent works propose to simultaneously learn representation using deep neural networks and perform clustering…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Mina Rezaei , Emilio Dorigatti , David Ruegamer , Bernd Bischl

The research described in this paper concerns automatic cyberbullying detection in social media. There are two goals to achieve: building a gold standard cyberbullying detection dataset and measuring the performance of the Samurai…

计算与语言 · 计算机科学 2018-08-03 Michał Ptaszyński , Gniewosz Leliwa , Mateusz Piech , Aleksander Smywiński-Pohl

With the increasing growth of social media, people have started relying heavily on the information shared therein to form opinions and make decisions. While such a reliance is motivation for a variety of parties to promote information, it…

计算与语言 · 计算机科学 2019-12-17 Rahul Radhakrishnan Iyer , Katia Sycara

This study used text mining to investigate people's insights about cyberbullying. English-language tweets were collected and analyzed by R software. Our analysis demonstrated three major themes: (a) the major actions that needed to be taken…

计算机与社会 · 计算机科学 2019-07-25 Iman Tahamtan , Li-Min Huang

In real-world applications, data do not reflect the ones commonly used for neural networks training, since they are usually few, unlabeled and can be available as a stream. Hence many existing deep learning solutions suffer from a limited…

机器学习 · 计算机科学 2020-11-18 Alessia Bertugli , Stefano Vincenzi , Simone Calderara , Andrea Passerini

Mental Health Disturbance has many reasons and cyberbullying is one of the major causes that does exploitation using social media as an instrument. The cyberbullying is done on the basis of Religion, Ethnicity, Age and Gender which is a…

计算与语言 · 计算机科学 2022-04-22 Raunak Joshi , Abhishek Gupta , Nandan Kanvinde

Considering the large amount of content created online by the minute, slang-aware automatic tools are critically needed to promote social good, and assist policymakers and moderators in restricting the spread of offensive language, abuse,…

计算与语言 · 计算机科学 2023-02-02 Aravinda Kolla , Filip Ilievski , Hông-Ân Sandlin , Alain Mermoud

Recent CNN-based methods for image deraining have achieved excellent performance in terms of reconstruction error as well as visual quality. However, these methods are limited in the sense that they can be trained only on fully labeled…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Rajeev Yasarla , V. A. Sindagi , V. M. Patel

Unsupervised machine learning, and in particular data clustering, is a powerful approach for the analysis of datasets and identification of characteristic features occurring throughout a dataset. It is gaining popularity across scientific…

介观与纳米尺度物理 · 物理学 2021-03-23 Maria El Abbassi , Jan Overbeck , Oliver Braun , Michel Calame , Herre S. J. van der Zant , Mickael L. Perrin

With the widespread use of social media, user-generated content has surged on online platforms. When such content includes hateful, abusive, offensive, or cyberbullying behavior, it is classified as toxic speech, posing a significant threat…

声音 · 计算机科学 2025-01-03 Jiaxin Song , Xinyu Wang , Yihao Wang , Yifan Tang , Ru Zhang , Jianyi Liu , Gongshen Liu

Risk-based active learning is an approach to developing statistical classifiers for online decision-support. In this approach, data-label querying is guided according to the expected value of perfect information for incipient data points.…

机器学习 · 计算机科学 2022-06-28 Aidan J. Hughes , Lawrence A. Bull , Paul Gardner , Nikolaos Dervilis , Keith Worden

In the era of social media and networking platforms, Twitter has been doomed for abuse and harassment toward users specifically women. Monitoring the contents including sexism and sexual harassment in traditional media is easier than…

计算与语言 · 计算机科学 2020-04-20 Christos Karatsalos , Yannis Panagiotakis

Deep neural networks are efficient at learning the data distribution if it is sufficiently sampled. However, they can be strongly biased by non-relevant factors implicitly incorporated in the training data. These include operational biases,…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Kirill Sirotkin , Pablo Carballeira , Marcos Escudero-Viñolo