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Distributed ledger technology: State-of-the-art and current challenges

Maria Gorbunova, Pavel Masek, Mikhail Komarov, Aleksandr Ometov
2021 Computer Science and Information Systems  
One of the vital DLT features is the ability to provide an immutable and commonly verifiable ledger for larger-scale and highly complex systems. Today?  ...  Distributed Ledger Technology (DLT) is making the first steps toward becoming a solution for the growing number of various decentralized systems worldwide.  ...  The research was financed by the Technology Agency of the Czech Republic (TACR) under grant no. TK02030013.  ... 
doi:10.2298/csis210215037g fatcat:qty7ips6fzannil4p4ic26demi

Dynamic Spectrum Access: Current state of the art and future challenges

Anirudha Sahoo, Michael Souryal
2014 2014 International Conference on Computing, Networking and Communications (ICNC)  
In this paper, we present an overview of DSA technology, including the current state of research and applications. We then recommend areas of focus that would address the challenges.  ...  Despite the clear need for more efficient allocation, however, DSA faces a number of challenges, chief among them being the perceived risk of interference to incumbent systems.  ...  In this paper, we first provide a brief overview of DSA, including the current state of research.  ... 
doi:10.1109/iccnc.2014.6785336 dblp:conf/iccnc/SahooS14 fatcat:4k3flafdmbbb3mnpu2quu4iznm

Industrial-Strength Model-Based Testing - State of the Art and Current Challenges

Jan Peleska
2013 Electronic Proceedings in Theoretical Computer Science  
With respect to the former view, we describe the techniques for automated test case, test data and test procedure generation for concurrent reactive real-time systems which are considered as the most important  ...  Finally, the most challenging open scientific problems whose solutions are bound to improve the acceptance and effectiveness of MBT in industry are discussed.  ...  The author would like to thank the organisers of the MBT 2013 for giving him the opportunity to present the ideas summarised in this paper.  ... 
doi:10.4204/eptcs.111.1 fatcat:flzhvt3i5zgmzoeymhpzkbibpe

A survey on wearable technology: History, state-of-the-art and current challenges

Aleksandr Ometov, Viktoriia Shubina, Lucie Klus, Justyna Skibińska, Salwa Saafi, Pavel Pascacio, Laura Flueratoru, Darwin Quezada Gaibor, Nadezhda Chukhno, Olga Chukhno, Asad Ali, Asma Channa (+11 others)
2021 Computer Networks  
The main aim of this paper is to shed light on the history of wearable devices and provide a state-of-the-art review on the wearable market.  ...  Finally, the survey highlights the critical challenges and existing/future solutions.  ...  State-of-the-art and related work on wearable technologies This section overviews the current situation in the wearable technology development domain.  ... 
doi:10.1016/j.comnet.2021.108074 fatcat:523aaizt5jb7jgy6vzysm6q5iu

Computational Simulations of the Immune System for Personalized Medicine: State of the Art and Challenges

Francesco Pappalardo, Ping Zhang, Mark Halling-Brown, Kaye Basford, Antonio Scalia, Adrian Shepherd, David Moss, Santo Motta, Vladimir Brusic
2008 Current Pharmacogenomics and Personalized Medicine  
This paper reviews the current developments in the field of computational simulation of the immune system. We use the ImmunoGrid project as a showcase for integration of immune system models.  ...  The human immune system is a complex and adaptive learning system which operates at multiple levels: molecules, cells, organs, organisms, and groups of organisms.  ...  and the challenges therein.  ... 
doi:10.2174/187569208786733839 fatcat:jrtcprovgvheno2mhlxgpwvdmy

Path Smoothing Techniques in Robot Navigation: State-of-the-Art, Current and Future Challenges

Abhijeet Ravankar, Ankit Ravankar, Yukinori Kobayashi, Yohei Hoshino, Chao-Chung Peng
2018 Sensors  
The state-of-the-art algorithms are broadly classified into different categories and each approach is introduced briefly with necessary background, merits, and drawbacks.  ...  Finally, the paper discusses the current and future challenges in optimal trajectory generation and smoothing research.  ...  Operator in the loop, Safety, and User Experience: In case of tele-operated robots, currently, the trajectory generation and control lacks the input from the operator.  ... 
doi:10.3390/s18093170 pmid:30235894 pmcid:PMC6165411 fatcat:z5al7h5jkbharpydasnnhbtl3e

Harnessing social media data for pharmacovigilance: a review of current state of the art, challenges and future directions

Dimitra Pappa, Lampros K. Stergioulas
2019 International Journal of Data Science and Analytics  
sources currently used in the field, and by developing new classifications of social data sources and taxonomies for social data for use in pharmacovigilance, as well as the identification of key challenges  ...  As the use of social media data for pharmacovigilance is still in its infancy, the present paper explores the state of the art in the application of social data to adverse drug reaction detection; provides  ...  In particular, the thrust of the presented work is to map the state of the art in the application of social data to pharmacovigilance and explore its future potential.  ... 
doi:10.1007/s41060-019-00175-3 fatcat:pbxbpcdihjfhrgm2nv3tomp3hm

Working Memory and Transcranial-Alternating Current Stimulation—State of the Art: Findings, Missing, and Challenges

Wiam Al Qasem, Mohammed Abubaker, Eugen Kvašňák
2022 Frontiers in Psychology  
This review focuses on the various methods and outcomes of tACS on WM in healthy and unhealthy human adults and highlights the established findings, unknowns, challenges, and perspectives important for  ...  This will allow researchers to identify gaps in the literature and develop frequency-tuned tACS protocols with promising safety and efficacy outcomes.  ...  FUTURE DIRECTIONS AND LIMITATIONS The current studies have a number of limitations, summarized as follows: (1) Most studies currently reporting the cognitive effects of tACS are case reports, case series  ... 
doi:10.3389/fpsyg.2022.822545 pmid:35237214 pmcid:PMC8882605 fatcat:zjz26kxmvbbjbeyafys7fafdvi

Airborne Collision Avoidance System as a Cyber-Physical System

2015 INCAS Bulletin  
The new system will represent a step change over the performance of current technology.  ...  In this paper the key concepts of ITS -Intelligent Transport Systems, CPS -Cyber-Physical Systems and SM -Smart Mobility are defined and correlated with the need for ACAS -Airborne Collision Avoidance  ...  ACAS SIMULATION FOR CPS A proposed T-CPS simulation environment is proposed based on current state-of-the-art tools available for CPS.  ... 
doi:10.13111/2066-8201.2015.7.4.12 fatcat:3k47p237wzcadbwtlpez55eg5e

Certification considerations for adaptive systems

S. Bhattacharyya, D. Cofer, D. Musliner, J. Mueller, E. Engstrom
2015 2015 International Conference on Unmanned Aircraft Systems (ICUAS)  
This paper discusses the characteristics of adaptive algorithms and the challenges they present to certification for operation in the National Airspace System (NAS).  ...  Advanced capabilities planned for the next generation of unmanned aircraft will be based on complex new algorithms and non-traditional software elements.  ...  Any opinions, findings, conclusions, or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of NASA or the U.S. Government.  ... 
doi:10.1109/icuas.2015.7152300 fatcat:hqa4gpy4kvcntoqbcpxbnbwn74

Systems Challenges for Trustworthy Embodied Systems [article]

Harald Rueß
2022 arXiv   pre-print
We are therefore identifying a number of urgent systems challenges for trustworthy embodied systems, including robust and human-centric AI, cognitive architectures, uncertainty quantification, trustworthy  ...  When deploying embodied systems into a real-life context we face various engineering challenges, as it is crucial to coordinate the behavior of embodied systems in a beneficial manner, ensure their compatibility  ...  Design Challenge • Develop safety case patterns for different architectural designs of AI systems. 126 • Compositionally construct safe and quasi-predictable AI systems together with their safety cases  ... 
arXiv:2201.03413v2 fatcat:hwprg3zjhvfuro3etecx2t4qua

Challenges for the Self-Safety in Autonomous Vehicles

Matthieu Carre, Ernesto Exposito, Javier Ibanez-Guzman
2018 2018 13th Annual Conference on System of Systems Engineering (SoSE)  
In the present paper, we introduce the structural and behavioral adaptations of the framework to offer a holistic and scalable vision of the safety over the system.  ...  This paper presents the challenges that undergoes the design and development of autonomous vehicles with respect to their functional architecture and adaptive behaviors from a safety perspective.  ...  Aguilar for his support throughout this work. We also thank Renault-Nissan Alliance and UPPA for their financial and institutional support of the underlying research of this article.  ... 
doi:10.1109/sysose.2018.8428718 dblp:conf/sysose/CarreEI18 fatcat:g4yf7esxwnccbdpdbowa34crqy

Towards Smart Systems of Systems [chapter]

Holger Giese, Thomas Vogel, Sebastian Wätzoldt
2015 Lecture Notes in Computer Science  
In this paper we analyze the open challenges for the envisioned smart SoS.  ...  See 1 Similar needs are observed for specific cases of SoS, such as ultra-large-scale systems [3] focusing on issues arising from the complexity of SoS  ...  We thank Basil Becker for his contribution to the presented results and his comments on draft versions of this paper.  ... 
doi:10.1007/978-3-319-24644-4_1 fatcat:xclwpy4rpbgi3idbaj5sqzvfnu

Trustworthy Self-Integrating Systems [chapter]

John Rushby
2015 Lecture Notes in Computer Science  
case" for the utility and safety of the resulting system.  ...  These self-integrating systems have the potential for significant harm as well as benefit, so as they integrate they should adapt and configure themselves appropriately and should construct an "assurance  ...  Many of the ideas assembled here originated in discussions with Dave Hanz of SRI, who also provided helpful comments on the paper.  ... 
doi:10.1007/978-3-319-28034-9_3 fatcat:sn2qmb45bnaeblyfthgkpvnibq

B-space: dynamic management and assurance of open systems of systems

Daniel Schneider, Mario Trapp
2018 Journal of Internet Services and Applications  
As there currently is no comprehensive realization of the framework, we discuss what kind of approaches could fit into which parts of the framework and exemplify this for the case of conditional safety  ...  It structures upcoming challenges posed by the emergence of open systems of systems, tries to shift existing paradigms to meet those new challenges, and proposes an abstract conceptual framework building  ...  Acknowledgments The work presented in this article is partially supported by the DEIS project -Dependability Engineering Innovation for Automotive CPS.  ... 
doi:10.1186/s13174-018-0084-5 fatcat:zokgmulyhrenbdnrti46f2kw4y
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