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While existing hierarchical text classification (HTC) methods attempt to capture label hierarchies for model training, they either make local decisions regarding each label or completely ignore the hierarchy information during inference. To…

Information Retrieval · Computer Science 2020-06-19 Yuning Mao , Jingjing Tian , Jiawei Han , Xiang Ren

Natural language processing models are vulnerable to adversarial examples. Previous textual adversarial attacks adopt gradients or confidence scores to calculate word importance ranking and generate adversarial examples. However, this…

Computation and Language · Computer Science 2024-01-11 Hai Zhu , Zhaoqing Yang , Weiwei Shang , Yuren Wu

Audit logs containing system level events are frequently used for behavior modeling as they can provide detailed insight into cyber-threat occurrences. However, mapping low-level system events in audit logs to highlevel behaviors has been a…

Cryptography and Security · Computer Science 2023-12-14 Mohammad Mamun , Scott Buffett

Attackers utilize a plethora of adversarial techniques in cyberattacks to compromise the confidentiality, integrity, and availability of the target organizations and systems. Information security standards such as NIST, ISO/IEC specify…

Cryptography and Security · Computer Science 2022-11-15 Md Rayhanur Rahman , Laurie Williams

Extreme Multilabel Text Classification (XMTC) is a text classification problem in which, (i) the output space is extremely large, (ii) each data point may have multiple positive labels, and (iii) the data follows a strongly imbalanced…

Machine Learning · Computer Science 2021-12-15 Mohammadreza Qaraei , Rohit Babbar

Cyberbullying on social media is inherently multilingual and multi-faceted, where abusive behaviors often overlap across multiple categories. Existing methods are commonly limited by monolingual assumptions or single-task formulations,…

Computation and Language · Computer Science 2026-03-16 Zixin Feng , Xinying Cui , Yifan Sun , Zheng Wei , Jiachen Yuan , Jiazhen Hu , Ning Xin , Md Maruf Hasan

Selecting an appropriate pre-trained source model is a critical, yet computationally expensive, task in transfer learning. Model Transferability Estimation (MTE) methods address this by providing efficient proxy metrics to rank models…

Computer Vision and Pattern Recognition · Computer Science 2025-11-27 Yuhang Liu , Wenjie Zhao , Yunhui Guo

Social media has become an important information source for crisis management and provides quick access to ongoing developments and critical information. However, classification models suffer from event-related biases and highly imbalanced…

Computation and Language · Computer Science 2022-11-22 Philipp Seeberger , Korbinian Riedhammer

Distributed multi-target tracking (DMTT) in limited field-of-view (FoV) sensor networks commonly suffers from label inconsistency, whereby different nodes disagree on the identity of the same target. Recent track-consensus DMTT (TC-DMTT)…

Signal Processing · Electrical Eng. & Systems 2026-03-06 Helena Calatrava , Shuo Tang , Pau Closas

The rapid adoption of machine learning (ML) technologies has driven organizations across diverse sectors to seek efficient and reliable methods to accelerate model development-to-deployment. Machine Learning Operations (MLOps) has emerged…

Cryptography and Security · Computer Science 2026-01-28 Raj Patel , Himanshu Tripathi , Jasper Stone , Noorbakhsh Amiri Golilarz , Sudip Mittal , Shahram Rahimi , Vini Chaudhary

We introduce a new method for extracting structured threat behaviors from threat intelligence text. Our method is based on a multi-stage ranking architecture that allows jointly optimizing for efficiency and effectiveness. Therefore, we…

Cryptography and Security · Computer Science 2024-03-27 Udesh Kumarasinghe , Ahmed Lekssays , Husrev Taha Sencar , Sabri Boughorbel , Charitha Elvitigala , Preslav Nakov

A hierarchical labeling system for mobile applications (apps) benefits a wide range of downstream businesses that integrate the labeling with their proprietary user data, to improve user modeling. Such a label hierarchy can define more…

Machine Learning · Computer Science 2025-07-08 Jiawei Guo , Yang Xiao , Weipeng Huang , Guangyuan Piao

This research article critically examines the potential risks and implications arising from the malicious utilization of large language models(LLM), focusing specifically on ChatGPT and Google's Bard. Although these large language models…

Cryptography and Security · Computer Science 2023-05-25 P. V. Sai Charan , Hrushikesh Chunduri , P. Mohan Anand , Sandeep K Shukla

Since the introduction of the SemEval 2020 Task 11 (Martino et al., 2020a), several approaches have been proposed in the literature for classifying propaganda based on the rhetorical techniques used to influence readers. These methods,…

Computation and Language · Computer Science 2023-06-01 Anni Chen , Bhuwan Dhingra

Classifying network traffic is the basis for important network applications. Prior research in this area has faced challenges on the availability of representative datasets, and many of the results cannot be readily reproduced. Such a…

Machine Learning · Computer Science 2021-06-09 Onur Barut , Yan Luo , Tong Zhang , Weigang Li , Peilong Li

We introduces Crimson, a system that enhances the strategic reasoning capabilities of Large Language Models (LLMs) within the realm of cybersecurity. By correlating CVEs with MITRE ATT&CK techniques, Crimson advances threat anticipation and…

Cryptography and Security · Computer Science 2024-03-05 Jiandong Jin , Bowen Tang , Mingxuan Ma , Xiao Liu , Yunfei Wang , Qingnan Lai , Jia Yang , Changling Zhou

Autonomous web agents such as \textbf{OpenClaw} are rapidly moving into high-impact real-world workflows, but their security robustness under live network threats remains insufficiently evaluated. Existing benchmarks mainly focus on static…

Cryptography and Security · Computer Science 2026-03-20 Haochen Zhao , Shaoyang Cui

Although BERT is widely used by the NLP community, little is known about its inner workings. Several attempts have been made to shed light on certain aspects of BERT, often with contradicting conclusions. A much raised concern focuses on…

Computation and Language · Computer Science 2020-10-13 Nikolaos Manginas , Ilias Chalkidis , Prodromos Malakasiotis

Extracting MITRE ATT\&CK Tactics, Techniques, and Procedures (TTPs) from natural language threat reports is crucial yet challenging. Existing methods primarily focus on performance metrics using data-driven approaches, often neglecting…

Cryptography and Security · Computer Science 2025-05-15 Cheng Meng , ZhengWei Jiang , QiuYun Wang , XinYi Li , ChunYan Ma , FangMing Dong , FangLi Ren , BaoXu Liu

Hierarchical Text Classification (HTC) aims to categorize text data based on a structured label hierarchy, resulting in predicted labels forming a sub-hierarchy tree. The semantics of the text should align with the semantics of the labels…

Computation and Language · Computer Science 2024-09-04 Ashish Kumar , Durga Toshniwal