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The dynamic expansion of social media has led to an inundation of hateful memes on media platforms, accentuating the growing need for efficient identification and removal. Acknowledging the constraints of conventional multimodal hateful…

Computation and Language · Computer Science 2025-03-06 Junxi Liu , Yanyan Feng , Jiehai Chen , Yun Xue , Fenghuan Li

Malicious web content is a serious problem on the Internet today. In this paper we propose a deep learning approach to detecting malevolent web pages. While past work on web content detection has relied on syntactic parsing or on emulation…

Cryptography and Security · Computer Science 2018-04-16 Joshua Saxe , Richard Harang , Cody Wild , Hillary Sanders

Text-to-image retrieval is a fundamental task in vision-language learning, yet in real-world scenarios it is often challenged by short and underspecified user queries. Such queries are typically only one or two words long, rendering them…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Jianglin Lu , Simon Jenni , Kushal Kafle , Jing Shi , Handong Zhao , Yun Fu

The growing popularity of large language models has raised concerns regarding the potential to misuse AI-generated text (AIGT). It becomes increasingly critical to establish an excellent AIGT detection method with high generalization and…

Computation and Language · Computer Science 2025-07-28 Yinghan Zhou , Juan Wen , Wanli Peng , Yiming Xue , Ziwei Zhang , Zhengxian Wu

As more content generated by large language models (LLMs) floods into the Internet, information retrieval (IR) systems now face the challenge of distinguishing and handling a blend of human-authored and machine-generated texts. Recent…

Information Retrieval · Computer Science 2025-08-26 Wei Huang , Keping Bi , Yinqiong Cai , Wei Chen , Jiafeng Guo , Xueqi Cheng

Network threat detection has been challenging due to the complexities of attack activities and the limitation of historical threat data to learn from. To help enhance the existing practices of using analytics, machine learning, and…

Machine Learning · Computer Science 2025-05-15 Lili Zhang , Quanyan Zhu , Herman Ray , Ying Xie

The widespread dissemination of toxic content on social media poses a serious threat to both online environments and public discourse, highlighting the urgent need for detoxification methods that effectively remove toxicity while preserving…

Machine Learning · Computer Science 2025-07-08 Jing Yu , Yibo Zhao , Jiapeng Zhu , Wenming Shao , Bo Pang , Zhao Zhang , Xiang Li

Text anomaly detection is a critical task in natural language processing (NLP), with applications spanning fraud detection, misinformation identification, spam detection and content moderation, etc. Despite significant advances in large…

Computation and Language · Computer Science 2025-07-17 Feng Xiao , Jicong Fan

Recent advances in Named Entity Recognition (NER) show that document-level contexts can significantly improve model performance. In many application scenarios, however, such contexts are not available. In this paper, we propose to find…

Computation and Language · Computer Science 2022-12-09 Xinyu Wang , Yong Jiang , Nguyen Bach , Tao Wang , Zhongqiang Huang , Fei Huang , Kewei Tu

Causal relation extraction of biomedical entities is one of the most complex tasks in biomedical text mining, which involves two kinds of information: entity relations and entity functions. One feasible approach is to take relation…

Computation and Language · Computer Science 2022-08-03 Dongling Li , Pengchao Wu , Yuehu Dong , Jinghang Gu , Longhua Qian , Guodong Zhou

Efficiently retrieving a concise set of candidates from a large document corpus remains a pivotal challenge in Information Retrieval (IR). Neural retrieval models, particularly dense retrieval models built with transformers and pretrained…

Information Retrieval · Computer Science 2025-01-01 Haitian Chen , Qingyao Ai , Xiao Wang , Yiqun Liu , Fen Lin , Qin Liu

The problem of software artifact retrieval has the goal to effectively locate software artifacts, such as a piece of source code, in a large code repository. This problem has been traditionally addressed through the textual query. In other…

Machine Learning · Computer Science 2016-11-15 Liang Wu , Hui Xiong , Liang Du , Bo Liu , Guandong Xu , Yong Ge , Yanjie Fu , Yuanchun Zhou , Jianhui Li

In recent years, text generation tools utilizing Artificial Intelligence (AI) have occasionally been misused across various domains, such as generating student reports or creative writings. This issue prompts plagiarism detection services…

Computation and Language · Computer Science 2025-04-14 Ahmed K. Kadhim , Lei Jiao , Rishad Shafik , Ole-Christoffer Granmo

The widespread adoption of large language models (LLMs) has created an urgent need for robust tools to detect LLM-generated text, especially in light of \textit{paraphrasing} techniques that often evade existing detection methods. To…

Computation and Language · Computer Science 2024-11-21 Weiqing He , Bojian Hou , Tianqi Shang , Davoud Ataee Tarzanagh , Qi Long , Li Shen

Audio-text retrieval enables semantic alignment between audio content and natural language queries, supporting applications in multimedia search, accessibility, and surveillance. However, current state-of-the-art approaches struggle with…

Computation and Language · Computer Science 2026-04-28 Meizhu Liu , Matthew Rowe , Amit Agarwal , Michael Avendi , Yassi Abbasi , Hitesh Laxmichand Patel , Paul Li , Kyu J. Han , Tao Sheng , Sujith Ravi , Dan Roth

This study proposes a text classification algorithm based on large language models, aiming to address the limitations of traditional methods in capturing long-range dependencies, understanding contextual semantics, and handling class…

Computation and Language · Computer Science 2025-12-11 Ning Lyu , Yuxi Wang , Feng Chen , Qingyuan Zhang

Image-text matching aims to find matched cross-modal pairs accurately. While current methods often rely on projecting cross-modal features into a common embedding space, they frequently suffer from imbalanced feature representations across…

Information Retrieval · Computer Science 2024-01-19 Zuhui Wang , Yunting Yin , I. V. Ramakrishnan

Retrieval-augmented generation has gained popularity as a framework to enhance large language models with external knowledge. However, its effectiveness hinges on the retrieval robustness of the model. If the model lacks retrieval…

Computation and Language · Computer Science 2024-06-27 Xiaoyu Shen , Rexhina Blloshmi , Dawei Zhu , Jiahuan Pei , Wei Zhang

Text embedding models play a crucial role in natural language processing, particularly in information retrieval, and their importance is further highlighted with the recent utilization of RAG (Retrieval- Augmented Generation). This study…

Information Retrieval · Computer Science 2024-12-24 Jeongsu Yu

Community models for malicious content detection, which take into account the context from a social graph alongside the content itself, have shown remarkable performance on benchmark datasets. Yet, misinformation and hate speech continue to…

Machine Learning · Computer Science 2024-09-30 Ivo Verhoeven , Pushkar Mishra , Rahel Beloch , Helen Yannakoudakis , Ekaterina Shutova