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In task-oriented dialogue scenarios, cross-domain zero-shot slot filling plays a vital role in leveraging source domain knowledge to learn a model with high generalization ability in unknown target domain where annotated data is…

人工智能 · 计算机科学 2023-10-23 Junwen Zhang , Yin Zhang

The use of Machine Learning (ML) models in cybersecurity solutions requires high-quality data that is stripped of redundant, missing, and noisy information. By selecting the most relevant features, data integrity and model efficiency can be…

密码学与安全 · 计算机科学 2024-06-13 Miguel Silva , João Vitorino , Eva Maia , Isabel Praça

In this paper, we present an adaptive framework designed for the continuous detection, identification and classification of emerging attacks in network traffic. The framework employs a transformer encoder architecture, which captures hidden…

密码学与安全 · 计算机科学 2024-11-12 Frederic Adjewa , Moez Esseghir , Leila Merghem-Boulahia

Panoptic Scene Graph generation (PSG) is a recently proposed task in image scene understanding that aims to segment the image and extract triplets of subjects, objects and their relations to build a scene graph. This task is particularly…

计算机视觉与模式识别 · 计算机科学 2023-08-21 Zijian Zhou , Miaojing Shi , Holger Caesar

Few-shot graph classification aims at predicting classes for graphs, given limited labeled graphs for each class. To tackle the bottleneck of label scarcity, recent works propose to incorporate few-shot learning frameworks for fast…

机器学习 · 计算机科学 2022-05-10 Song Wang , Yushun Dong , Xiao Huang , Chen Chen , Jundong Li

The popularity of 5G networks poses a huge challenge for malicious traffic detection technology. The reason for this is that as the use of 5G technology increases, so does the risk of malicious traffic activity on 5G networks. Malicious…

密码学与安全 · 计算机科学 2024-02-23 Zihao Wang , Kar Wai Fok , Vrizlynn L. L. Thing

Reliable forecasting of traffic flow requires efficient modeling of traffic data. Indeed, different correlations and influences arise in a dynamic traffic network, making modeling a complicated task. Existing literature has proposed many…

机器学习 · 计算机科学 2024-02-20 Kishor Kumar Bhaumik , Fahim Faisal Niloy , Saif Mahmud , Simon Woo

Many real-world data can be represented as heterogeneous graphs with different types of nodes and connections. Heterogeneous graph neural network model aims to embed nodes or subgraphs into low-dimensional vector space for various…

人工智能 · 计算机科学 2024-12-24 Xinjun Cai , Jiaxing Shang , Fei Hao , Dajiang Liu , Linjiang Zheng

Real-time traffic accident forecasting is increasingly important for public safety and urban management (e.g., real-time safe route planning and emergency response deployment). Previous works on accident forecasting are often performed on…

人工智能 · 计算机科学 2020-03-03 Zhengyang Zhou , Yang Wang , Xike Xie , Lianliang Chen , Hengchang Liu

In machine learning applications, it is common practice to feed as much information as possible. In most cases, the model can handle large data sets that allow to predict more accurately. In the presence of data scarcity, a Few-Shot…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Saad Bin Ahmed , Umaid M. Zaffar , Marium Aslam , Muhammad Imran Malik

Trusting the accuracy of data inputted on online platforms can be difficult due to the possibility of malicious websites gathering information for unlawful reasons. Analyzing each website individually becomes challenging with the presence…

Despite extensive alignment efforts, Large Vision-Language Models (LVLMs) remain vulnerable to jailbreak attacks. To mitigate these risks, existing detection methods are essential, yet they face two major challenges: generalization and…

密码学与安全 · 计算机科学 2026-01-28 Shuang Liang , Zhihao Xu , Jiaqi Weng , Jialing Tao , Hui Xue , Xiting Wang

This paper proposes a generic classification system designed to detect security threats based on the behavior of malware samples. The system relies on statistical features computed from proxy log fields to train detectors using a database…

机器学习 · 统计学 2017-02-09 Lukas Machlica , Karel Bartos , Michal Sofka

Traffic safety remains a vital concern in contemporary urban settings, intensified by the increase of vehicles and the complicated nature of road networks. Traditional safety-critical event detection systems predominantly rely on…

计算机视觉与模式识别 · 计算机科学 2025-03-03 Mohammad Abu Tami , Mohammed Elhenawy , Huthaifa I. Ashqar

Scene graph generation (SGG) aims to detect objects and predict their pairwise relationships within an image. Current SGG methods typically utilize graph neural networks (GNNs) to acquire context information between objects/relationships.…

计算机视觉与模式识别 · 计算机科学 2022-05-05 Xin Lin , Changxing Ding , Yibing Zhan , Zijian Li , Dacheng Tao

Hazards can be exposed by HAZOP as text information, and studying their classification is of great significance to the development of industrial informatics, which is conducive to safety early warning, decision support, policy evaluation,…

计算与语言 · 计算机科学 2022-09-13 Zhenhua Wang , Ming Ren , Dong Gao , Bin Wang

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…

机器学习 · 计算机科学 2024-09-30 Ivo Verhoeven , Pushkar Mishra , Rahel Beloch , Helen Yannakoudakis , Ekaterina Shutova

We introduce a few-shot learning framework for error detection. We show that data augmentation (a form of weak supervision) is key to training high-quality, ML-based error detection models that require minimal human involvement. Our…

数据库 · 计算机科学 2019-04-05 Alireza Heidari , Joshua McGrath , Ihab F. Ilyas , Theodoros Rekatsinas

With such a massive growth in the number of images stored, efficient search in a database has become a crucial endeavor managed by image retrieval systems. Image Retrieval with Relevance Feedback (IRRF) involves iterative human interaction…

计算机视觉与模式识别 · 计算机科学 2023-12-19 Boaz Lerner , Nir Darshan , Rami Ben-Ari

LiDAR place recognition is a crucial module in localization that matches the current location with previously observed environments. Most existing approaches in LiDAR place recognition dominantly focus on the spinning type LiDAR to exploit…

机器人学 · 计算机科学 2025-02-10 Minwoo Jung , Sangwoo Jung , Hyeonjae Gil , Ayoung Kim