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Entity alignment (EA) aims at finding equivalent entities in different knowledge graphs (KGs). Embedding-based approaches have dominated the EA task in recent years. Those methods face problems that come from the geometric properties of…

数据库 · 计算机科学 2022-06-07 Yunjun Gao , Xiaoze Liu , Junyang Wu , Tianyi Li , Pengfei Wang , Lu Chen

Detecting vulnerabilities in source code is a critical task for software security assurance. Graph Neural Network (GNN) machine learning can be a promising approach by modeling source code as graphs. Early approaches treated code elements…

密码学与安全 · 计算机科学 2025-02-25 Yu Luo , Weifeng Xu , Dianxiang Xu

Temporal knowledge graph, serving as an effective way to store and model dynamic relations, shows promising prospects in event forecasting. However, most temporal knowledge graph reasoning methods are highly dependent on the recurrence or…

人工智能 · 计算机科学 2022-12-05 Yi Xu , Junjie Ou , Hui Xu , Luoyi Fu

Named entity recognition (NER) is a widely studied task in natural language processing. Recently, a growing number of studies have focused on the nested NER. The span-based methods, considering the entity recognition as a span…

计算与语言 · 计算机科学 2021-06-22 Zeqi Tan , Yongliang Shen , Shuai Zhang , Weiming Lu , Yueting Zhuang

Most of the current software security analysis tools assess vulnerabilities in isolation. However, sophisticated software supply chain security threats often stem from cascaded vulnerability and security weakness chains that span dependent…

软件工程 · 计算机科学 2026-01-29 Laura Baird , Armin Moin

Cyber incidents can have a wide range of cause from a simple connection loss to an insistent attack. Once a potential cyber security incidents and system failures have been identified, deciding how to proceed is often complex. Especially,…

计算机与社会 · 计算机科学 2020-07-16 Sandro Passarelli , Cem Gündogan , Lars Stiemert , Matthias Schopp , Peter Hillmann

With the rapid growth of interconnected devices, accurately detecting malicious activities in network traffic has become increasingly challenging. Most existing deep learning-based intrusion detection systems treat network flows as…

密码学与安全 · 计算机科学 2026-03-25 Devashish Chaudhary , Sutharshan Rajasegarar , Shiva Raj Pokhrel

Entity alignment (EA) which links equivalent entities across different knowledge graphs (KGs) plays a crucial role in knowledge fusion. In recent years, graph neural networks (GNNs) have been successfully applied in many embedding-based EA…

计算与语言 · 计算机科学 2023-05-01 Feng Xie , Xiang Zeng , Bin Zhou , Yusong Tan

Graph neural networks (GNNs) have been widely investigated in the field of semi-supervised graph machine learning. Most methods fail to exploit adequate graph information when labeled data is limited, leading to the problem of…

机器学习 · 计算机科学 2023-03-15 Linxuan Song , Wenxuan Tu , Sihang Zhou , Xinwang Liu , En Zhu

Graph data, such as chemical networks and social networks, may be deemed confidential/private because the data owner often spends lots of resources collecting the data or the data contains sensitive information, e.g., social relationships.…

密码学与安全 · 计算机科学 2020-10-07 Xinlei He , Jinyuan Jia , Michael Backes , Neil Zhenqiang Gong , Yang Zhang

Named entity recognition (NER) is highly sensitive to sentential syntactic and semantic properties where entities may be extracted according to how they are used and placed in the running text. To model such properties, one could rely on…

计算与语言 · 计算机科学 2020-10-30 Yuyang Nie , Yuanhe Tian , Yan Song , Xiang Ao , Xiang Wan

Entity Matching is an essential part of all real-world systems that take in structured and unstructured data coming from different sources. Typically no common key is available for connecting records. Massive data cleaning and integration…

社会与信息网络 · 计算机科学 2022-01-14 Ran Ziv , Ilan Gronau , Michael Fire

Vulnerability identification is crucial to protect software systems from attacks for cyber-security. However, huge projects have more than millions of lines of code, and the complex dependencies make it hard to carry out traditional static…

密码学与安全 · 计算机科学 2023-11-01 Shuo Liu , Gail Kaiser

As cyber threats grow increasingly sophisticated, reinforcement learning (RL) is emerging as a promising technique to create intelligent and adaptive cyber defense systems. However, most existing autonomous defensive agents have overlooked…

机器学习 · 计算机科学 2025-04-17 Ilya Orson Sandoval , Isaac Symes Thompson , Vasilios Mavroudis , Chris Hicks

This paper takes the graph neural network as the technical framework, integrates the intrinsic connections between enterprise financial indicators, and proposes a model for enterprise credit risk assessment. The main research work includes:…

风险管理 · 定量金融 2024-09-27 Bingyao Liu , Iris Li , Jianhua Yao , Yuan Chen , Guanming Huang , Jiajing Wang

The integration of the Internet of Things (IoT) into Cyber-Physical Systems (CPSs) has expanded their cyber-attack surface, introducing new and sophisticated threats with potential to exploit emerging vulnerabilities. Assessing the risks of…

密码学与安全 · 计算机科学 2024-09-25 Braden K Webb , Sumit Purohit , Rounak Meyur

This research addresses command-line embedding in cybersecurity, a field obstructed by the lack of comprehensive datasets due to privacy and regulation concerns. We propose the first dataset of similar command lines, named CyPHER, for…

计算与语言 · 计算机科学 2024-11-05 Sian-Yao Huang , Cheng-Lin Yang , Che-Yu Lin , Chun-Ying Huang

In the past few years, Convolutional Neural Networks (CNN) have demonstrated promising performance in various real-world cybersecurity applications, such as network and multimedia security. However, the underlying fragility of CNN…

密码学与安全 · 计算机科学 2023-04-18 Ehsan Nowroozi , Mohammadreza Mohammadi , Erkay Savas , Mauro Conti , Yassine Mekdad

Named Entity Disambiaguation (NED) is a central task for applications dealing with natural language text. Assume that we have a graph based knowledge base (subsequently referred as Knowledge Graph) where nodes represent various real world…

计算与语言 · 计算机科学 2014-07-15 Sutanay Choudhury , Chase Dowling

Understanding human interactions and social structures is an incredibly important task, especially in such an interconnected world. One task that facilitates this is Stance Detection, which predicts the opinion or attitude of a text towards…

社会与信息网络 · 计算机科学 2024-07-02 Jack Tacchi , Parisa Jamadi Khiabani , Arkaitz Zubiaga , Chiara Boldrini , Andrea Passarella