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This paper presents a comprehensive comparative analysis of two dominant blockchain consensus mechanisms, Proof of Work (PoW) and Proof of Stake (PoS), evaluated across seven critical metrics: energy use, security, transaction speed,…

Cryptography and Security · Computer Science 2025-11-24 Kaeli Andrews , Linh B. Ngo , Md Amiruzzaman

Security especially in the fields of IoT, industrial automation and critical infrastructure is paramount nowadays and a hot research topic. In order to ensure confidence in research results they need to be reproducible. In the past we…

Hardware Architecture · Computer Science 2024-07-10 Dmytro Petryk , Ievgen Kabin , Peter Langendörfer , Zoya Dyka

This technical report describes the systems submitted to the DCASE2022 challenge task 3: sound event localization and detection (SELD). The task aims to detect occurrences of sound events and specify their class, furthermore estimate their…

Sound · Computer Science 2025-12-30 Jin Sob Kim , Hyun Joon Park , Wooseok Shin , Sung Won Han

Fact checking is an essential task in journalism; its importance has been highlighted due to recently increased concerns and efforts in combating misinformation. In this paper, we present an automated fact-checking platform which given a…

Computation and Language · Computer Science 2019-04-04 Sebastião Miranda , David Nogueira , Afonso Mendes , Andreas Vlachos , Andrew Secker , Rebecca Garrett , Jeff Mitchel , Zita Marinho

With rapidly increasing deployment of surveillance cameras, the reliable methods for automatically analyzing the surveillance video and recognizing special events are demanded by different practical applications. This paper proposes a novel…

Computer Vision and Pattern Recognition · Computer Science 2018-10-29 Michael Ying Yang , Wentong Liao , Chun Yang , Yanpeng Cao , Bodo Rosenhahn

We present a novel approach for relocalization or place recognition, a fundamental problem to be solved in many robotics, automation, and AR applications. Rather than relying on often unstable appearance information, we consider a situation…

Robotics · Computer Science 2022-08-30 Lan Hu , Zhongwei Luo , Runze Yuan , Yuchen Cao , Jiaxin Wei , Kai Wangand Laurent Kneip

Place recognition is a key module in robotic navigation. The existing line of studies mostly focuses on visual place recognition to recognize previously visited places solely based on their appearance. In this paper, we address structural…

Robotics · Computer Science 2021-09-29 Giseop Kim , Sunwook Choi , Ayoung Kim

The ability of a sensor node to determine its physical location within a network (Localization) is of fundamental importance in sensor networks. Interpretating data from sensors will not be possible unless the context of the data is known;…

Networking and Internet Architecture · Computer Science 2007-05-23 Sameer Tilak , Vinay Kolar , Nael B. Abu-Ghazaleh , Kyoung-Don Kang

Decentralised Finance (DeFi) applications constitute an entire financial ecosystem deployed on blockchains. Such applications are based on complex protocols and incentive mechanisms whose financial safety is hard to determine. Besides,…

Software Engineering · Computer Science 2022-09-19 Massimo Bartoletti , James Chiang , Tommi Junttila , Alberto Lluch Lafuente , Massimiliano Mirelli , Andrea Vandin

Investigating efficiently the data collected from a system's activity can help to detect malicious attempts and better understand the context behind past incident occurrences. Nowadays, several solutions can be used to monitor system…

Cryptography and Security · Computer Science 2021-12-03 Inês Macedo , Sinan Wanous , Nuno Oliveira , Orlando Sousa , Isabel Praça

During the performance of sound source localization which uses both visual and aural information, it presently remains unclear how much either image or sound modalities contribute to the result, i.e. do we need both image and sound for…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Takashi Oya , Shohei Iwase , Ryota Natsume , Takahiro Itazuri , Shugo Yamaguchi , Shigeo Morishima

We propose an efficient scheme for generating fake network traffic to disguise the real event notification in the presence of a global eavesdropper, which is especially relevant for the quality of service in delay-intolerant applications…

Cryptography and Security · Computer Science 2010-12-03 Silvija Kokalj-Filipovic , Fabrice Le Fessant , Predrag Spasojevic

In the Virtual Observatory era, where we intend to expose scientists (or software agents on their behalf) to a stream of observations from all existing facilities, the ability to access and to further interpret the origin, relationships,…

Instrumentation and Methods for Astrophysics · Physics 2010-02-03 J. D. Santander-Vela , A. Delgado , N. Delmotte , M. Vuong

Deep learning has achieved impressive results in camera localization, but current single-image techniques typically suffer from a lack of robustness, leading to large outliers. To some extent, this has been tackled by sequential…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Bing Wang , Changhao Chen , Chris Xiaoxuan Lu , Peijun Zhao , Niki Trigoni , Andrew Markham

With the increasing technical sophistication of both information consumers and providers, there is increasing demand for more meaningful experiences of digital information. We present a framework that separates digital object experience, or…

Digital Libraries · Computer Science 2007-05-23 Naomi Dushay

A verification method for distributed systems based on decoupling forward and backward behaviour is proposed. This method uses an event structure based algorithm that, given a CCS process, constructs its causal compression relative to a…

Distributed, Parallel, and Cluster Computing · Computer Science 2007-05-23 Jean Krivine

Intelligent transportation systems (ITS) are expected to effectively create a stand-alone network for secure communication among autonomous agents. In such a dynamic and fast-changing network with high-speed agents, verifying the…

Vision-based localization is a cost-effective and thus attractive solution for many intelligent mobile platforms. However, its accuracy and especially robustness still suffer from low illumination conditions, illumination changes, and…

Robotics · Computer Science 2024-01-17 Yi-Fan Zuo , Wanting Xu , Xia Wang , Yifu Wang , Laurent Kneip

Blockchains and peer-to-peer systems are part of a trend towards computer systems that are "radically decentralised", by which we mean that they 1) run across many participants, 2) without central control, and 3) are such that qualities 1…

Cryptography and Security · Computer Science 2025-04-24 Murdoch J. Gabbay

The rapid evolution of cloud-native applications, characterized by dynamic, interconnected services, presents significant challenges for maintaining trustworthy and auditable systems, especially in sensitive contexts, such as finance or…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-10-18 Sebastian Werner , Sepideh Masoudi , Fernando Castillo , Fabian Piper , Jonathan Heiss
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