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The successful application of large pre-trained models such as BERT in natural language processing has attracted more attention from researchers. Since the BERT typically acts as an end-to-end black box, classification systems based on it…

计算与语言 · 计算机科学 2023-09-06 Shuai Jiang , Sayaka Kamei , Chen Li , Shengzhe Hou , Yasuhiko Morimoto

Answering questions is a primary goal of many conversational systems or search products. While most current systems have focused on answering questions against structured databases or curated knowledge graphs, on-line community forums or…

计算与语言 · 计算机科学 2019-11-11 Alexandre Rochette , Yadollah Yaghoobzadeh , Timothy J. Hazen

In the contemporary digital era, the Internet functions as an unparalleled catalyst, dismantling geographical and linguistic barriers particularly evident in texting. This evolution facilitates global communication, transcending physical…

计算与语言 · 计算机科学 2024-01-10 Selva Kumar S , Afifah Khan Mohammed Ajmal Khan , Chirag Manjeshwar , Imadh Ajaz Banday

Targeted phishing emails are on the rise and facilitate the theft of billions of dollars from organizations a year. While malicious signals from attached files or malicious URLs in emails can be detected by conventional malware signatures…

密码学与安全 · 计算机科学 2020-10-08 Younghoo Lee , Joshua Saxe , Richard Harang

The widespread use of text-based communication on social media-through chats, comments, and microblogs-has improved user interaction but has also led to an increase in offensive content, including hate speech, racism, and other forms of…

计算与语言 · 计算机科学 2025-06-30 Reem Alothman , Hafida Benhidour , Said Kerrache

Cloud networks increasingly rely on machine learning based Network Intrusion Detection Systems to defend against evolving cyber threats. However, real-world deployments are challenged by limited labeled data, non-stationary traffic, and…

机器学习 · 计算机科学 2026-04-15 Anasuya Chattopadhyay , Daniel Reti , Hans D. Schotten

This study aims to develop an efficient and accurate model for detecting malicious comments, addressing the increasingly severe issue of false and harmful content on social media platforms. We propose a deep learning model that combines…

计算与语言 · 计算机科学 2025-03-17 Zhou Fang , Hanlu Zhang , Jacky He , Zhen Qi , Hongye Zheng

The prevalence of different kinds of electronic devices and the volume of content on the Web have increased the amount of plagiarism, which is considered an unethical act. If we want to be efficient in the detection and prevention of these…

社会与信息网络 · 计算机科学 2018-07-11 Aljaž Zrnec , Dejan Lavbič

Modern applications increasingly involve highly sensitive network data, where raw edges cannot be shared due to privacy constraints. We propose \texttt{TransNet}, a new spectral clustering-based transfer learning framework that improves…

机器学习 · 统计学 2026-04-15 Xiao Guo , Xuming He , Xiangyu Chang , Shujie Ma

Detecting false information on social media is critical in mitigating its negative societal impacts. To reduce the propagation of false information, automated detection provide scalable, unbiased, and cost-effective methods. However, there…

社会与信息网络 · 计算机科学 2024-09-09 Sarah Condran

Existing machine-generated text (MGT) detection methods implicitly assume labels as the "golden standard". However, we reveal boundary ambiguity in MGT detection, implying that traditional training paradigms are inexact. Moreover,…

计算与语言 · 计算机科学 2025-11-04 Chenwang Wu , Yiu-ming Cheung , Bo Han , Defu Lian

In this paper, we propose a \textit{weak supervision} framework for neural ranking tasks based on the data programming paradigm \citep{Ratner2016}, which enables us to leverage multiple weak supervision signals from different sources.…

信息检索 · 计算机科学 2019-06-05 Peng Xu , Xiaofei Ma , Ramesh Nallapati , Bing Xiang

With the rapid development of social media, the wide dissemination of fake news on social media is increasingly threatening both individuals and society. One of the unique challenges for fake news detection on social media is how to detect…

社会与信息网络 · 计算机科学 2024-11-12 Jiajun Zhang , Zhixun Li , Qiang Liu , Shu Wu , Liang Wang

Developing a system to detect online offensive language is very important to the health and the security of online users. Studies have shown that cyberhate, online harassment and other misuses of technology are on the rise, particularly…

计算与语言 · 计算机科学 2021-02-12 Fatemah Husain , Ozlem Uzuner

Framing is among the most extensively used concepts in the field of communication science. The availability of digital data offers new possibilities for studying how specific aspects of social reality are made more salient in online…

计算与语言 · 计算机科学 2024-09-04 Vihang Jumle , Mykola Makhortykh , Maryna Sydorova , Victoria Vziatysheva

Cyberbullying has been a significant challenge in the digital era world, given the huge number of people, especially adolescents, who use social media platforms to communicate and share information. Some individuals exploit these platforms…

计算机与社会 · 计算机科学 2026-04-07 Adamu Gaston Philipo , Doreen Sebastian Sarwatt , Jianguo Ding , Mahmoud Daneshmand , Huansheng Ning

Few-shot text classification has recently been promoted by the meta-learning paradigm which aims to identify target classes with knowledge transferred from source classes with sets of small tasks named episodes. Despite their success,…

计算与语言 · 计算机科学 2023-05-17 Junfan Chen , Richong Zhang , Yongyi Mao , Jie Xu

Mental health challenges and cyberbullying are increasingly prevalent in digital spaces, necessitating scalable and interpretable detection systems. This paper introduces a unified multiclass classification framework for detecting ten…

计算与语言 · 计算机科学 2026-03-26 Edward Ajayi , Martha Kachweka , Mawuli Deku , Emily Aiken

The goal of hate speech detection is to filter negative online content aiming at certain groups of people. Due to the easy accessibility of social media platforms it is crucial to protect everyone which requires building hate speech…

计算与语言 · 计算机科学 2022-01-19 Irina Bigoulaeva , Viktor Hangya , Iryna Gurevych , Alexander Fraser

Small and imbalanced datasets commonly seen in healthcare represent a challenge when training classifiers based on deep learning models. So motivated, we propose a novel framework based on BioBERT (Bidirectional Encoder Representations from…

计算与语言 · 计算机科学 2020-06-23 Shijing Si , Rui Wang , Jedrek Wosik , Hao Zhang , David Dov , Guoyin Wang , Ricardo Henao , Lawrence Carin