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Recent advances in knowledge graph completion (KGC) have emphasized text-based approaches to navigate the inherent complexities of large-scale knowledge graphs (KGs). While these methods have achieved notable progress, they frequently…

计算与语言 · 计算机科学 2025-06-16 Haotian Li , Rui Zhang , Lingzhi Wang , Bin Yu , Youwei Wang , Yuliang Wei , Kai Wang , Richard Yi Da Xu , Bailing Wang

Continuous-variable quantum key distribution (CV-QKD) is realized with coherent detection and is therefore very suitable for a cost-efficient implementation. The major challenge in CV-QKD is mitigation of laser phase noise at a signal to…

量子物理 · 物理学 2019-08-13 Sebastian Kleis , Max Rueckmann , Christian G. Schaeffer

We present a rigorous security analysis of Continuous-Variable Measurement-Device Independent Quantum Key Distribution (CV MDI QKD) in a finite size scenario. The security proof is obtained in two steps: by first assessing the security…

量子物理 · 物理学 2018-06-12 Cosmo Lupo , Carlo Ottaviani , Panagiotis Papanastasiou , Stefano Pirandola

Designing a practical Continuous Variable (CV) Quantum Key Distribution (QKD) system requires an estimation of the quantum channel characteristics and the extraction of secure key bits based on a large number of distributed quantum signals.…

量子物理 · 物理学 2025-09-09 Xiaoyu Ai , Robert Malaney

Quantum kernel methods have been proposed as a promising approach for leveraging near-term quantum computers for supervised learning, yet rigorous benchmarks against strong classical baselines remain scarce. We present a comprehensive…

量子物理 · 物理学 2026-04-22 Siavash Kakavand , Christoph Strohmeyer , Michael Schlotter

Quantum key distribution (QKD) is a well-known application of quantum information theory that guarantees information-theoretically secure key exchange. As QKD becomes more and more commercially viable, challenges such as scalability,…

Background: Automatic extraction of chemical-disease relations (CDR) from unstructured text is of essential importance for disease treatment and drug development. Meanwhile, biomedical experts have built many highly-structured knowledge…

计算与语言 · 计算机科学 2019-12-24 Huiwei Zhou , Chengkun Lang , Zhuang Liu , Shixian Ning , Yingyu Lin , Lei Du

Keystroke dynamics is a behavioral biometric that captures an individual's typing patterns for authentication and security applications. This paper presents a comparative analysis of keystroke authentication models using Gaussian Mixture…

密码学与安全 · 计算机科学 2025-02-25 Soykat Amin , Cristian Di Iorio

The Third Perception Test challenge was organised as a full-day workshop alongside the IEEE/CVF International Conference on Computer Vision (ICCV) 2025. Its primary goal is to benchmark state-of-the-art video models and measure the progress…

计算机视觉与模式识别 · 计算机科学 2026-04-30 Joseph Heyward , Nikhil Parthasarathy , Tyler Zhu , Aravindh Mahendran , João Carreira , Dima Damen , Andrew Zisserman , Viorica Pătrăucean

Since many applications and services require pseudorandom numbers (PRNs), it is feasible to generate specific PRNs under given key values and input messages using Key Derivation Functions (KDFs). These KDFs are primarily constructed based…

密码学与安全 · 计算机科学 2026-02-12 Abel C. H. Chen

Distributed systems frequently encounter consistency violation faults (cvfs), where nodes operate on outdated or inaccurate data, adversely affecting convergence and overall system performance. This study presents a machine learning-based…

分布式、并行与集群计算 · 计算机科学 2025-06-04 Kamal Giri , Amit Garu

Quantum Key Distribution (QKD) is a prominent application in the field of quantum cryptography providing information-theoretic security for secret key exchange. The implementation of QKD systems on photonic integrated circuits (PICs) can…

In this paper, we introduce a new large-scale face database from KIST, denoted as K-FACE, and describe a novel capturing device specifically designed to obtain the data. The K-FACE database contains more than 1 million high-quality images…

计算机视觉与模式识别 · 计算机科学 2025-11-25 Yeji Choi , Hyunjung Park , Gi Pyo Nam , Haksub Kim , Heeseung Choi , Junghyun Cho , Ig-Jae Kim

The field of brainwave-based biometrics has gained attention for its potential to revolutionize user authentication through hands-free interaction, resistance to shoulder surfing, continuous authentication, and revocability. However,…

信号处理 · 电气工程与系统科学 2026-02-12 Matin Fallahi , Patricia Arias-Cabarcos , Thorsten Strufe

Quantum key distribution (QKD) systems can send signals over more than 100 km standard optical fiber and are widely believed to be secure. Here, we show experimentally for the first time a technologically feasible attack, namely the…

量子物理 · 物理学 2011-04-05 Yi Zhao , Chi-Hang Fred Fung , Bing Qi , Christine Chen , Hoi-Kwong Lo

This paper proposes a portable hardware token for user authentication, it is based on the use of keystroke dynamics to verify users in a bio-metric manner. The proposed approach allows for a multifactor authentication scheme in which users…

密码学与安全 · 计算机科学 2019-09-25 Robert Cockell , Basel Halak

With the widespread use of knowledge graphs (KG) in various automated AI systems and applications, it is very important to ensure that information retrieval algorithms leveraging them are free from societal biases. Previous works have…

Developing multi-turn interactive tool-use agents is challenging because real-world user needs are often complex and ambiguous, yet agents must execute deterministic actions to satisfy them. To address this gap, we introduce \textbf{CoVe}…

人工智能 · 计算机科学 2026-03-03 Jinpeng Chen , Cheng Gong , Hanbo Li , Ziru Liu , Zichen Tian , Xinyu Fu , Shi Wu , Chenyang Zhang , Wu Zhang , Suiyun Zhang , Dandan Tu , Rui Liu

This paper presents final results of ICDAR 2019 Scene Text Visual Question Answering competition (ST-VQA). ST-VQA introduces an important aspect that is not addressed by any Visual Question Answering system up to date, namely the…

计算机视觉与模式识别 · 计算机科学 2019-07-02 Ali Furkan Biten , Rubèn Tito , Andres Mafla , Lluis Gomez , Marçal Rusiñol , Minesh Mathew , C. V. Jawahar , Ernest Valveny , Dimosthenis Karatzas

We present the first quantum key distribution (QKD) experiment over multicore fiber. With space division multiplexing, we demonstrate that weak QKD signals can coexist with classical data signals launched at full power in a 53 km 7-core…