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Artykuły w czasopismach na temat „Time Update Key”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Luo, Changyuan, and Ling Sun. "A Certificate-Less Distributed Key Management Scheme for Space Networks." Mathematics 12, no. 19 (2024): 3126. http://dx.doi.org/10.3390/math12193126.

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The specificity and complexity of space networks render the traditional key management mechanism no longer applicable. The certificate-less-based distributed spatial network key management scheme proposed in this paper combines the characteristics of space networks, solving the problems regarding the difficulty of implementing centralized key management in space networks and the excessive overhead required for maintaining public key certificates by constructing a distributed key generation center and establishing strategies such as private key updates, master key component updates, and session

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Akilandeswari, V., Ankit Kumar, S. Thilagamani, et al. "Minimum Latency-Secure Key Transmission for Cloud-Based Internet of Vehicles Using Reinforcement Learning." Computational Intelligence and Neuroscience 2022 (September 26, 2022): 1–9. http://dx.doi.org/10.1155/2022/6296841.

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The Internet of Vehicles (IoV) communication key management level controls the confidentiality and security of its data, which may withstand user identity-based attacks such as electronic spoofing. The IoV group’s key is updated with a defined frequency under the current key management method, which lengthens the time between crucial changes and encryption. The cluster key distribution management is used as the study object in this paper, which is based on the communication security on the Internet of Vehicles cluster. When vehicles enter and exit the cluster, the Internet of Vehicles must upd

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Ahila, R., and Dr Sivakumari. "An improved strong key exposure resilient auditing for cloud storage auditing." International Journal of Engineering & Technology 7, no. 4 (2018): 2473. http://dx.doi.org/10.14419/ijet.v7i4.15742.

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One of the most essential services of cloud computing is cloud storage. For cloud storage auditing, key exposure is a serious security problem which is solved by updating client secret keys regularly. However, this leads to local burdens to clients. A cloud source auditing with verifiable outsourcing of key updates paradigm was used to make the key updates as transparent for the client where Third Party Auditor (TPA) was played the role of authorized party. It holds only an encrypted version of client’s secret key. However, key exposure security problem is not fully solved by this scheme. So i

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Vlakh-Vyhrynovska, Halyna, and Yuriy Rudyy. "ENCRYPTION KEY MANAGEMENT IN A WIRELESS MESH NETWORK." Measuring Equipment and Metrology 85, no. 4 (2024): 37–42. https://doi.org/10.23939/istcmtm2024.04.037.

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Wireless MESH networks are important for providing communication in conditions where communication infrastructure is limited or absent. In such networks, encryption key management plays an important role in ensuring the security of data transmission. The work analyzes existing approaches to encryption key management in wireless networks and proposes a method for optimal key update. The method was tested on the LoRa EBYTE SX1262 chip with the ESP-WROOM-32. Algorithms for predicting update time were used.

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Bi, HongQi. "Key Update and Device Location of Internet of Things Based on Smart Contract." Wireless Communications and Mobile Computing 2022 (March 17, 2022): 1–10. http://dx.doi.org/10.1155/2022/4987002.

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In order to reduce the key update time delay of the Internet of Things and reduce the device location error rate and location time, a new key update and device location of Internet of Things based on smart contract was designed. Adopt improved MVIF security mechanism of both parties to build smart contract security mechanism, and the key update of the Internet of Things is realized through key predistribution, user registration and login, and key update. On this basis, multidimensional scaling technology is used to abstract Internet of Things devices into relative coordinates in multidimension

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Marsden, Max ER, AE Sharrock, CL Hansen, NJ Newton, DM Bowley, and M. Midwinter. "British Military surgical key performance indicators: time for an update?" Journal of the Royal Army Medical Corps 162, no. 5 (2015): 373–78. http://dx.doi.org/10.1136/jramc-2015-000521.

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Bregman, B., E. Meijer, and R. Scheele. "Key aspects of stratospheric tracer modeling." Atmospheric Chemistry and Physics Discussions 6, no. 3 (2006): 4375–414. http://dx.doi.org/10.5194/acpd-6-4375-2006.

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Abstract. This study describes key aspects of global chemistry-transport models and the impact on stratospheric tracer transport. We concentrate on global models that use assimilated winds from numerical weather predictions, but the results also apply to tracer transport in general circulation models. We examined grid resolution, numerical diffusion and dispersion of the winds fields, the meteorology update time intervals, update frequency, and time interpolation. For this study we applied the three-dimensional chemistry-transport Tracer Model version 5 (TM5) and a trajectory model and perform

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Fitzpatrick, Katie, Hayley McGlashan, Vibha Tirumalai, John Fenaughty, and Analosa Veukiso-Ulugia. "Relationships and sexuality education: Key research informing New Zealand curriculum policy." Health Education Journal 81, no. 2 (2021): 134–56. http://dx.doi.org/10.1177/00178969211053749.

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Background and purpose: In 2020, the New Zealand Ministry of Education updated the national curriculum policy for sexuality education, broadening the focus to ‘relationships and sexuality education’ and strengthening guidance for both primary (Years 1–8) and secondary (Years 9–13) schools. The resulting guides detail how schools might take a ‘whole school approach’ to this area, including dedicated curriculum time at all levels of compulsory schooling. Methods and conclusions: This article summarises the key thinking and research that informs the latest curriculum policy update and provides ju

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Narayanareddy, Mugireddy Satya, Lekireddy Rajasekharreddy, Isani Swetha, and P. V. Jagadeeswara Prasad. "SYMMETRIC-KEY BASED VERIFICATION OF KEYWORD SEARCH OVER DYNAMIC ENCRYPTED CLOUD DATA." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 11, no. 3 (2020): 2736–41. http://dx.doi.org/10.61841/turcomat.v11i3.14517.

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Searchable and Verifiable As a crucial method of cloud security, symmetric encryption enables users to search for encrypted data in the cloud using keywords and validate the accuracy of the results. One of the most prevalent and important requirements for data owners in such schemes is dynamic update for cloud data. To our knowledge, all of the verifiable SSE systems that permit data dynamic update currently in use are based on asymmetric-key cryptography verification, which necessitates time-consuming processes. The sheer volume of cloud data could make the overhead of verification a major bu

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Shenigaram, Vidhya, Ladhwe Shri Megha, Rajasekharaiah Matada Kattigehally, and Swarnaja Mettu. "SYMMETRIC-KEY BASED VERIFICATION OF KEYWORD SEARCH OVER DYNAMIC ENCRYPTED CLOUD DATA." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 11, no. 3 (2020): 2696–702. http://dx.doi.org/10.61841/turcomat.v11i3.14483.

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Searchable and Verifiable As a crucial method of cloud security, symmetric encryption enables users to search for encrypted data in the cloud using keywords and validate the accuracy of the results. One of the most prevalent and important requirements for data owners in such schemes is dynamic update for cloud data. To our knowledge, all of the verifiable SSE systems that permit data dynamic update currently in use are based on asymmetric-key cryptography verification, which necessitates time-consuming processes. The sheer volume of cloud data could make the overhead of verification a major bu

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van Gestel, Jean-Paul. "Ten years of time-lapse seismic on Atlantis Field." Leading Edge 40, no. 7 (2021): 494–501. http://dx.doi.org/10.1190/tle40070494.1.

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In 2019, the fourth ocean-bottom-node survey was acquired over Atlantis Field. This survey was quickly processed to provide useful time-lapse (4D) observations two months after the end of the acquisition. The time-lapse observations were immediately valuable in placing wells, refining final drilling target locations, updating well prioritization, and sequencing production and water-injection wells. These data are indispensable pieces of information that bring geophysicists and reservoir engineers together and focus the conversation on key remaining uncertainties such as fault transmissibilitie

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Kim, Jongkil. "Backward Compatible Identity-Based Encryption." Sensors 23, no. 9 (2023): 4181. http://dx.doi.org/10.3390/s23094181.

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In this paper, we present a new identity-based encryption (IBE) system that is named Backward Compatible Identity-based Encryption (BC-IBE). Our BC-IBE is proposed to solve the problem caused by the out-of-synchronization between users’ private keys and ciphertexts. Encryption systems such as revocable IBE or revocable Attribute-based Encryption (ABE) often require updating private keys to revoke users after a certain time period. However, in those schemes, an updated key can be used to decrypt the ciphertexts created only during the current time period. Once the key is updated and the previou

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GUAN, D. J., YUAN-JIUN WANG, and E. S. ZHUANG. "QUANTUM KEY EVOLUTION AND ITS APPLICATIONS." International Journal of Quantum Information 10, no. 04 (2012): 1250044. http://dx.doi.org/10.1142/s021974991250044x.

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Quantum key distribution (QKD) enables two authenticated parties to share a perfectly secure key. However, repeatedly using the same key to encrypt many different messages is not perfectly secure. A trivial method to update the key is to use QKD to re-establish a new key for each message. In this paper, we present a method, called quantum key evolution (QKE), to update the secret key using less qubits. Hence, it is more efficient for long messages. More precisely, we present a secure and efficient protocol, called quantum message transmission (QMT) protocol, to transmit long secret message usi

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Andal, S., Tasneem Tahera, M. MeghanaMary, G. C. Ranjitha, and N.A Deepak. "IMPLEMENTING CLOUD REVOCATION AUTHORITY WITH IDENTITY BASED ENCRYPTION AND ITS APPLICATIONS." International Journal of Research - Granthaalayah 5, (4) RACSIT (2017): 38–40. https://doi.org/10.5281/zenodo.572292.

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Identity-based encryption (IBE) is a public key cryptosystem(encoding and decoding) and eliminates the demands of public key infrastructure(PKI) and certificate administration in conventional public key settings. Due to the absence of PKI, the revocation problem is a critical issue in IBE settings. Several revocable IBE schemes have been proposed regarding this issue. Quite recently, by embedding an outsourcing computation technique into IBE, a revocable IBE scheme with a key-update cloud service provider (KU-CSP) was proposed. However, their scheme has two shortcomings. One is that the comput

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15

FLEISCHER, RUDOLF. "A SIMPLE BALANCED SEARCH TREE WITH O(1) WORST-CASE UPDATE TIME." International Journal of Foundations of Computer Science 07, no. 02 (1996): 137–49. http://dx.doi.org/10.1142/s0129054196000117.

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In this paper we show how a slight modification of (a, 2b)-trees allows us to perform member and neighbor queries in O( log n) time and updates in O(1) worst-case time (once the position of the inserted or deleted key is known). Our data structure is quite natural and much simpler than previous worst-case optimal solutions. It is based on two techniques : 1) bucketing, i.e., storing an ordered list of 2 log n keys in each leaf of an (a, 2b) tree, and 2) preventive splitting, i.e., splitting nodes before they can grow bigger than allowed. If only insertions are allowed, it can also be used as a

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Ahmed, Shakoor, Jatinder Mohan Julka, and Hirdesh Kumar. "Earthworms (Annelida: Clitellata: Megadrili) of Solan, a constituent of Himalayan Biodiversity Hotspot, India." Travaux du Muséum National d'Histoire Naturelle "Grigore Antipa" 63, no. (1) (2020): 19–50. https://doi.org/10.3897/travaux.63.e49099.

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The present work is an update on the earthworm fauna of Solan District, Himachal Pradesh State, a constituent of Himalayan biodiversity hotspot. It is based on the field collection and published litera- ture data. Hereby, it is provided an updated list of 32 species belonging to 18 genera and seven families, namely Moniligastridae, Lumbricidae, Ocnerodrilidae, Acanthodrilidae, Benhamiidae, Octochaetidae and Megascolecidae. These mainly include exotic and native peregrine species, including exotic per- egrine <em>Amynthas hupeiensis </em>(Michaelsen, 1895), which was recently recorded for the f

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Baird, Gordon, and Mark Lorkin. "Environmental update for 2007." APPEA Journal 48, no. 1 (2008): 413. http://dx.doi.org/10.1071/aj07029.

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This environmental update for 2007 covers key environmental issues and development updates for the upstream oil and gas industry in Australia. Driven by market opportunities, the continued significant growth in the exploration and development of oil and gas reserves in Australia is considered against the environmental issues and challenges this growth presents. The number of large projects is testing regulatory approvals processes at a time when there is an ever rigorous and adapting regulatory climate, an increasing need for stakeholder engagement, and sustainability considerations. The revie

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Sheth, Soham M., and Rami M. Younis. "Localized Linear Systems in Sequential Implicit Simulation of Two-Phase Flow and Transport." SPE Journal 22, no. 05 (2017): 1542–69. http://dx.doi.org/10.2118/173320-pa.

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Summary Implicit-reservoir-simulation models offer improved robustness compared with semi-implicit or explicit alternatives. The implicit treatment gives rise to a large nonlinear algebraic system of equations that must be solved at each timestep. Newton-like iterative methods are often used to solve these nonlinear systems. At each nonlinear iteration, large and sparse linear systems must be solved to obtain the Newton update vector. It is observed that these computed Newton updates are often sparse, even though the sum of the Newton updates over a converged iteration may not be. Sparsity in

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Yadav, Pratyaksh, Pramoda Kumara K M, Burhan Pasha, and Dr Mohana S D. "Remote ESP32 Holographic Display System." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 03 (2025): 1–9. https://doi.org/10.55041/ijsrem43269.

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This paper presents the design and implementation of a remote-update holographic display system utilizing the ESP32 microcontroller. The system facilitates dynamic image projection through a combination of hardware and software components. A web server acts as an intermediary for image storage and distribution, while a mobile application offers a user-friendly interface for image selection and system control. The ESP32, upon network connection and IP address acquisition, communicates with the web server to retrieve updated image data, enabling real-time content modification. This configuration

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Jagielski, Matthew, Stanley Wu, Alina Oprea, Jonathan Ullman, and Roxana Geambasu. "How to Combine Membership-Inference Attacks on Multiple Updated Machine Learning Models." Proceedings on Privacy Enhancing Technologies 2023, no. 3 (2023): 211–32. http://dx.doi.org/10.56553/popets-2023-0078.

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A large body of research has shown that machine learning models are vulnerable to membership inference (MI) attacks that violate the privacy of the participants in the training data. Most MI research focuses on the case of a single standalone model, while production machine-learning platforms often update models over time, on data that often shifts in distribution, giving the attacker more information. This paper proposes new attacks that take advantage of one or more model updates to improve MI. A key part of our approach is to leverage rich information from standalone MI attacks mounted sepa

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Das, Mrinal K., Sarah K. Haney, Jim Richmond, Anthony Olmedo, Q. Jon Zhang, and Zoltan Ring. "SiC MOSFET Reliability Update." Materials Science Forum 717-720 (May 2012): 1073–76. http://dx.doi.org/10.4028/www.scientific.net/msf.717-720.1073.

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Significant advancement has been made in the gate oxide reliability of SiC MOS devices to enable the commercial release of Cree’s Z-FET™ product. This paper discusses the key reliability results from Time-Dependent-Dielectric-Breakdown (TDDB) and High Temperature Gate Bias (HTGB) measurements that indicate that the SiC MOSFETs can demonstrate excellent lifetime and stable operation in the field.

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LIN, HAN-YU, and CHIEN-LUNG HSU. "A NOVEL IDENTITY-BASED KEY-INSULATED CONVERTIBLE AUTHENTICATED ENCRYPTION SCHEME." International Journal of Foundations of Computer Science 22, no. 03 (2011): 739–56. http://dx.doi.org/10.1142/s0129054111008325.

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For securing confidential applications such as credit card transactions, on-line auctions and business contract signing, etc., a convertible authenticated encryption (CAE) scheme simultaneously satisfying the properties of authenticity, confidentiality and non-repudiation is a better choice. By combining the advantages of identity-based systems and key-insulated ones, in this paper, we propose the first novel identity-based key-insulated CAE (IB-KICAE) scheme from pairings. Integrating with key-insulated systems, our scheme can effectively mitigate the impact caused by key exposure, as each us

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Hakeem, Shimaa A. Abdel, Sherine M. Abd El-Kader, and HyungWon Kim. "A Key Management Protocol Based on the Hash Chain Key Generation for Securing LoRaWAN Networks." Sensors 21, no. 17 (2021): 5838. http://dx.doi.org/10.3390/s21175838.

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Recently, many Low Power Wide Area Network (LPWAN) protocols have been proposed for securing resource-constrained Internet of Things (IoT) devices with negligible power consumption. The Long Range Wide Area Network (LoRaWAN) is a low power communication protocol that supports message authentication, integrity, and encryption using two-session preshared secret keys. However, although the LoRaWAN supports some security functions, it suffers from session key generation and key update problems. This motivates us to introduce a new key management protocol that resolves the LoRaWAN problems and supp

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Zhao, Zhuoyue, Dong Xie, and Feifei Li. "AB-tree." Proceedings of the VLDB Endowment 15, no. 9 (2022): 1835–47. http://dx.doi.org/10.14778/3538598.3538606.

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There has been an increasing demand for real-time data analytics. Approximate Query Processing (AQP) is a popular option for that because it can use random sampling to trade some accuracy for lower query latency. However, the state-of-the-art AQP system either relies on scan-based sampling algorithms to draw samples, which can still incur a non-trivial cost of table scan, or creates samples of the database in a preprocessing step, which are hard to update. The alternative is to use the aggregate B-tree indexes to support both random sampling and updates in database with logarithmic time. Howev

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Rittmeyer, Achim, Annett Schiwitza, Lejla Sahovic, Bastian Eul, and Stefan Andreas. "Update on recent key publications in lung oncology: picking up speed." European Respiratory Review 30, no. 161 (2021): 200300. http://dx.doi.org/10.1183/16000617.0300-2020.

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IntroductionAs incidence rates for lung cancer are still very high and lung cancer remains the most deadly cancer since the turn of the millennium, efforts have been made to find new approaches in cancer research. This systematic review highlights how therapeutic options were extended and how the development of new drugs has picked up speed during the last 20 years.MethodsA systematic search was performed in PubMed, Cochrane Library and the European Union Trial Register and 443 records were identified. Our inclusion criteria constituted completed phase I, II and III studies investigating drugs

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Zhang, Fangyuan, and Sibo Wang. "Effective indexing for dynamic structural graph clustering." Proceedings of the VLDB Endowment 15, no. 11 (2022): 2908–20. http://dx.doi.org/10.14778/3551793.3551840.

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Graph clustering is a fundamental data mining task that clusters vertices into different groups. The structural graph clustering algorithm ( SCAN ) is a widely used graph clustering algorithm that derives not only clustering results, but also special roles of vertices like hubs and outliers. In this paper, we consider structural graph clustering on dynamic graphs under Jaccard similarity. The state-of-the-art index-based solution focuses on static graphs and incurs prohibitive update costs to maintain indices. Lately, an efficient approximate dynamic structural graph clustering algorithm Dyn-S

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Wang, Lu. "A Method for Key Updating of IBE with Wildcards." Advanced Materials Research 765-767 (September 2013): 1003–6. http://dx.doi.org/10.4028/www.scientific.net/amr.765-767.1003.

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A variety of identity-based encryption mechanisms are gradually developed since BF-IBE was proposed in 2001. However, since a users public key is fully open and cannot be modified, the key update issue needs to be solved urgently. And at the same time, hierarchical IBE has been proposed to reduce the burden of a single PKG. The paper suggests wildcards and put forward WIBE, which can make one-time encryption for user groups of HIBE. Then WKU is put out based on WIBE, which is a key updating mechanism in the measure of years and manages the expiration date of users keys.

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Nikam, Prof Appasaheb. "SMART/DIGITAL TIME TABLE SYSTEM." International Scientific Journal of Engineering and Management 03, no. 03 (2024): 1–12. http://dx.doi.org/10.55041/isjem01333.

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The Smart/Digital College Timetable System is an innovative project designed to enhance the efficiency and accessibility of college schedules. The system integrates advanced technologies such as the Real-Time Clock (RTC), GSM module, Node MCU ESP8266, and an OLED display to provide a comprehensive solution for managing and displaying college timetables ➢ Key Features: ➢ Real-Time Clock (RTC) Integration: • The system incorporates an RTC module to maintain accurate and synchronized time information. • The RTC ensures that the timetable reflects real- time changes and provides precise scheduling

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Bregman, B., E. Meijer, and R. Scheele. "Key aspects of stratospheric tracer modeling using assimilated winds." Atmospheric Chemistry and Physics 6, no. 12 (2006): 4529–43. http://dx.doi.org/10.5194/acp-6-4529-2006.

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Abstract. This study describes key aspects of global chemistry-transport models and their impact on stratospheric tracer transport. We concentrate on global models that use assimilated winds from numerical weather predictions, but the results also apply to tracer transport in general circulation models. We examined grid resolution, numerical diffusion, air parcel dispersion, the wind or mass flux update frequency, and time interpolation. The evaluation is performed with assimilated meteorology from the "operational analyses or operational data" (OD) from the European Centre for Medium-Range We

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Khobragade, Shrutika, Rohini Bhosale, and Rahul Jiwahe. "High Security Mechanism: Fragmentation and Replication in the Cloud with Auto Update in the System." APTIKOM Journal on Computer Science and Information Technologies 5, no. 2 (2020): 54–59. http://dx.doi.org/10.34306/csit.v5i2.138.

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Cloud Computing makes immense use of internet to store a huge amount of data. Cloud computing provides high quality service with low cost and scalability with less requirement of hardware and software management. Security plays a vital role in cloud as data is handled by third party hence security is the biggest concern to matter. This proposed mechanism focuses on the security issues on the cloud. As the file is stored at a particular location which might get affected due to attack and will lost the data. So, in this proposed work instead of storing a complete file at a particular location, t

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Khobragade, Shrutika, Rohini Bhosale, and Rahul Jiwane. "High security mechanism: fragmentation and replication in the cloud with auto update in the system." Computer Science and Information Technologies 1, no. 2 (2020): 78–83. http://dx.doi.org/10.11591/csit.v1i2.p78-83.

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Cloud Computing makes immense use of internet to store a huge amount of data. Cloud computing provides high quality service with low cost and scalability with less requirement of hardware and software management. Security plays a vital role in cloud as data is handled by third party hence security is the biggest concern to matter. This proposed mechanism focuses on the security issues on the cloud. As the file is stored at a particular location which might get affected due to attack and will lost the data. So, in this proposed work instead of storing a complete file at a particular location, t

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Khobragade, Shrutika, Rohini Bhosale, and Rahul Jiwane. "High security mechanism: fragmentation and replication in the cloud with auto update in the system." Computer Science and Information Technologies 1, no. 2 (2020): 78–83. http://dx.doi.org/10.11591/csit.v1i2.pp78-83.

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Cloud computing makes immense use of internet to store a huge amount of data. Cloud computing provides high quality service with low cost and scalability with less requirement of hardware and software management. Security plays a vital role in cloud as data is handled by third party hence security is the biggest concern to matter. This proposed mechanism focuses on the security issues on the cloud. As the file is stored at a particular location which might get affected due to attack and will lost the data. So, in this proposed work instead of storing a complete file at a particular location, t

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Shrutika, Khobragade, Bhosale Rohini, and Jiwane Rahul. "High security mechanism: fragmentation and replication in the cloud with auto update in the system." Computer Science and Information Technologies 1, no. 2 (2020): 78–83. https://doi.org/10.11591/csit.v1i2.p78-83.

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Cloud Computing makes immense use of internet to store a huge amount of data. Cloud computing provides high quality service with low cost and scalability with less requirement of hardware and software management. Security plays a vital role in cloud as data is handled by third party hence security is the biggest concern to matter. This proposed mechanism focuses on the security issues on the cloud. As the file is stored at a particular location which might get affected due to attack and will lost the data. So, in this proposed work instead of storing a complete file at a particular location, t

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Gregory, Mark A. "A Time For Renewal." Journal of Telecommunications and the Digital Economy 5, no. 2 (2017): ii—iv. http://dx.doi.org/10.18080/jtde.v5n2.114.

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The Telecommunications Association has commenced the second phase of the renewal process that started in 2013. As part of the first phase of this renewal process a key decision was to relaunch the Telecommunications Journal of Australia as the Australian Journal of Telecommunications and the Digital Economy. In addition to the Journal, the Telecommunications Association holds the Henry Sutton and Charles Todd Orations each year in Melb0urne and Sydney respectively. As the second phase progresses, the Telecommunications Association will launch a new brand, update the Association’s website and h

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Lin, Han-Yu, and Pei-Ru Chen. "Revocable and Fog-Enabled Proxy Re-Encryption Scheme for IoT Environments." Sensors 24, no. 19 (2024): 6290. http://dx.doi.org/10.3390/s24196290.

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As technology advances rapidly, a diverse array of Internet of Things (IoT) devices finds widespread application across numerous fields. The intelligent nature of these devices not only gives people more convenience, but also introduces new challenges especially in security when transmitting data in fog-based cloud environments. In fog computing environments, data need to be transmitted across multiple devices, increasing the risk of data being intercepted or tampered with during transmission. To securely share cloud ciphertexts, an alleged proxy re-encryption approach is a commonly adopted so

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Ma, Haiying, Zhanjun Wang, and Zhijin Guan. "Efficient Ciphertext-Policy Attribute-Based Online/Offline Encryption with User Revocation." Security and Communication Networks 2019 (February 14, 2019): 1–11. http://dx.doi.org/10.1155/2019/8093578.

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Attribute-Based Encryption (ABE) must provide an efficient revocation mechanism since a user’s private key can be compromised or expired over time. The existing revocable ABE schemes have the drawbacks of heavy computational costs on key updates and encryption operations, which make the entities for performing these operations a possible bottleneck in practice applications. In this paper, we propose an efficient Ciphertext-Policy Attribute-Based Online/Offline Encryption with user Revocation (R-CP-ABOOE). We integrate the subset difference method with ciphertext-policy ABE to significantly imp

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Chen, Yineng, Ting Guo, Qingshan Ren, et al. "RBAU: Noval Redactable Model with Audit Mechanism and Key Update for Alliance Chain." Mathematics 13, no. 9 (2025): 1474. https://doi.org/10.3390/math13091474.

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With the widespread application of alliance chain technology in diverse scenarios, its immutability has gradually revealed certain limitations in practical use. To address this challenge, a redactable alliance chain innovatively introduces functionalities for data modification, deletion, and updating. However, issues related to redaction permissions, auditing, and security hinder its development. To overcome these challenges, the K-medoids clustering algorithm is first employed to select a redaction center and a consensus committee. The redaction center reviews redaction requests, while the co

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Jo, Kichun, Chansoo Kim, and Myoungho Sunwoo. "Simultaneous Localization and Map Change Update for the High Definition Map-Based Autonomous Driving Car." Sensors 18, no. 9 (2018): 3145. http://dx.doi.org/10.3390/s18093145.

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High Definition (HD) maps are becoming key elements of the autonomous driving because they can provide information about the surrounding environment of the autonomous car without being affected by the real-time perception limit. To provide the most recent environmental information to the autonomous driving system, the HD map must maintain up-to-date data by updating changes in the real world. This paper presents a simultaneous localization and map change update (SLAMCU) algorithm to detect and update the HD map changes. A Dempster–Shafer evidence theory is applied to infer the HD map changes b

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Li, Tong, Yuhui Zheng, and Ti Zhou. "Efficient Anonymous Authenticated Key Agreement Scheme for Wireless Body Area Networks." Security and Communication Networks 2017 (2017): 1–8. http://dx.doi.org/10.1155/2017/4167549.

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Wireless body area networks (WBANs) are widely used in telemedicine, which can be utilized for real-time patients monitoring and home health-care. The sensor nodes in WBANs collect the client’s physiological data and transmit it to the medical center. However, the clients’ personal information is sensitive and there are many security threats in the extra-body communication. Therefore, the security and privacy of client’s physiological data need to be ensured. Many authentication protocols for WBANs have been proposed in recent years. However, the existing protocols fail to consider the key upd

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Zhou, Quan, Guohui Li, Qi Chen, and Jianjun Li. "Guaranteeing Timely Response to Changes of Monitored Objects by Assigning Deadlines and Periods to Tasks." ACM Transactions on Embedded Computing Systems 20, no. 5s (2021): 1–22. http://dx.doi.org/10.1145/3477027.

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Timely response to changes of monitored objects is the key to ensuring the safety and reliability of cyber-physical systems (CPSs). There are two kinds of tasks in CPSs: update tasks and control tasks. Update tasks are responsible for updating the data in the system based on the state of the objects they monitor. Control tasks are responsible for making decisions based on the data in the system. The response time of the system to the change of a monitored object consists of two parts: the time taken by update tasks to reflect the change to the system, and the time taken by control tasks to mak

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Wiggins, Barbara S., Dave Dixon, Jessica Bellone, Nicole Gasbarro, Joel C. Marrs, and Rebecca Tran. "Key Articles and Guidelines in the Management of Dyslipidemia: 2019 Update." Journal of Pharmacy Practice 33, no. 6 (2019): 882–94. http://dx.doi.org/10.1177/0897190019868413.

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Although the mortality from cardiovascular disease has declined, it remains the leading cause of morbidity and mortality in the United States. Dyslipidemia is a modifiable risk factor that plays a significant role in the development of atherosclerotic cardiovascular disease. Treating dyslipidemia by lowering cholesterol, predominately low-density lipoprotein cholesterol, has been shown to reduce cardiovascular events. The first article that provided dyslipidemia bibliographies was published in 2006. Since this time, new therapies have become available and older therapies that were once thought

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Ran, Weiyu, Erfu Wang, and Zhiyong Tong. "A double scrambling-DNA row and column closed loop image encryption algorithm based on chaotic system." PLOS ONE 17, no. 7 (2022): e0267094. http://dx.doi.org/10.1371/journal.pone.0267094.

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In this paper, a dynamic update algorithm of double scrambling-DNA row and column closed loop based on chaotic system is proposed. The classical scrambling and diffusion structure are used in the whole process. In the scrambling stage, a new pixel reconstruction method is proposed by combining the Hilbert curve with Knuth-Durstenfeld shuffle algorithm to overcome the shortcoming of nearby storage of Hilbert curve. This method reconstructs the pixel matrix of one-dimensional vector according to the Hilbert curve coding method, and achieves good scrambling effect, while reducing its time complex

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Yao, Shimao, Ravi Sankar, and In-Ho Ra. "A Collusion-Resistant Identity-Based Proxy Reencryption Scheme with Ciphertext Evolution for Secure Cloud Sharing." Security and Communication Networks 2020 (October 13, 2020): 1–16. http://dx.doi.org/10.1155/2020/8833693.

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In order to solve the challenges of user data security in the cloud computing (storage) environment, many encryption solutions with different features have been presented. Among them, proxy reencryption (PRE) based on public-key infrastructure (PKI) is a promising technology for secure cloud sharing. And identity-based proxy reencryption (IBPRE), which uses identity as the public key, eliminates burdensome certificate management and is, therefore, more preferable. However, most of the current IBPRE schemes only focus on the processing of data sharing while overlooking the functions of authoriz

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JAISWARA, RANJANA, LAURE DESUTTER-GRANDCOLAS, and MANJARI JAIN. "Taxonomic revision of Teleogryllus mitratus (Burmeister, 1838) and T. occipitalis (Serville, 1838) in India, with the description of Teleogryllus rohinae Jaiswara & Jain sp. nov. and a key for Teleogryllus species from India (Orthoptera: Gryllidae)." Zootaxa 5016, no. 1 (2021): 81–106. http://dx.doi.org/10.11646/zootaxa.5016.1.3.

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The genus Teleogryllus is known from 52 species distributed worldwide, of which India is home to 11 species. We update Teleogryllus diversity by describing a new species, T. rohinae Jaiswara & Jain sp. nov., from Kerala, India. In addition, we revise the description of the two widespread Teleogryllus species, i.e., T. mitratus (Burmeister, 1838) and T. occipitalis (Serville, 1838) and describe their female genital structures for the first time. Finally, we provide updated identification keys for all Indian Teleogryllus species.

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Schäfer, Philipp, João Garrett Fatela, and Michael Vorlaender. "Interpolation of scheduled simulation results for real-time auralization." Journal of the Acoustical Society of America 153, no. 3_supplement (2023): A105. http://dx.doi.org/10.1121/10.0018317.

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The approach of auralization allows rendering plausible audio signals based on purely synthesized data. One key aspect for this is the simulation of sound propagation. Using sophisticated physics-based models, even complex situations—like sound propagation through an inhomogeneous, moving atmosphere—can be considered. However, even with fast approaches based on geometrical acoustics such simulations might not be real-time capable when being integrated in the auralization processing chain. This is because the update rate of the simulations is significantly lower than the audio block rate which

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Chung, Jin-Ho, and Yoora Kim. "Minimization of Average Peak Age of Information for Timely Status Updates in Two-Hop IoT Networks." Applied Sciences 15, no. 13 (2025): 7042. https://doi.org/10.3390/app15137042.

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Timely status updates are essential for Internet of Things (IoT) services. The freshness of these updates can be quantified using Age of Information (AoI). The worst-case behavior of AoI is evaluated by peak AoI (PAoI), denoting the maximum AoI just before each successful update. To characterize the time-averaged evolution of the PAoI over a long time horizon, we adopt the average PAoI as a performance metric. In this paper, we consider a two-hop status update system in IoT monitoring networks, where sensors periodically transmit short status packets to a remote edge server via a sink node. Th

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Chawla, Chahat. "Legislation Update: India." Asian International Arbitration Journal 14, Issue 2 (2018): 215–22. http://dx.doi.org/10.54648/aiaj2018012.

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On 10 August 2018, the Lok Sabha (Lower House of the India’s bicameral Parliament) passed the Arbitration and Conciliation (Amendment Bill), 2018 (‘2018 Amendment Bill’), to further amend the Arbitration and Conciliation Act, 1996 (‘1996 Act’). In a short span of three years, the Indian Parliament has sought to overhaul India’s principal arbitration legislation for the second time, after the initial reforms introduced by the Arbitration and Conciliation (Amendment) Act, 2015 (‘2015 Amendment Act’). The 2018 Amendment Bill has been described as ‘a momentous and important legislation’ by the Ind

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Tsai, Wen-Chung, Tzu-Hsuan Tsai, Te-Jen Wang, and Mao-Lun Chiang. "Automatic Key Update Mechanism for Lightweight M2M Communication and Enhancement of IoT Security: A Case Study of CoAP Using Libcoap Library." Sensors 22, no. 1 (2022): 340. http://dx.doi.org/10.3390/s22010340.

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The ecosystem for an Internet of Things (IoT) generally comprises endpoint clients, network devices, and cloud servers. Thus, data transfers within the network present multiple security concerns. The recent boom in IoT applications has accelerated the need for a network infrastructure that provides timely and safe information exchange services. A shortcoming of many existing networks is the use of static key authentication. To enable the use of automatic key update mechanisms in IoT devices and enhance security in lightweight machine-to-machine (M2M) communications, we propose a key update mec

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Cotter, Jennifer A., and Cynthia Hawkins. "Medulloblastoma: WHO 2021 and Beyond." Pediatric and Developmental Pathology 25, no. 1 (2022): 23–33. http://dx.doi.org/10.1177/10935266211018931.

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In 2016, medulloblastoma classification was restructured to allow for incorporation of updated data about medulloblastoma biology, genomics, and clinical behavior. For the first time, medulloblastomas were classified according to molecular characteristics (“genetically defined” categories) as well as histologic characteristics (“histologically defined” categories). Current genetically-defined categories include WNT-activated, SHH-activated TP53 wildtype, SHH-activated TP53-mutant, and non-WNT/non-SHH. In this article, we review the most recent update to the classification of medulloblastomas,

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He, Xiaohu, Shan Gao, Hua Wang, and Chuyan Wang. "A Strong Anonymous Privacy Protection Authentication Scheme Based on Certificateless IOVs." Symmetry 17, no. 7 (2025): 1163. https://doi.org/10.3390/sym17071163.

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The Internet of Vehicles (IoVs) uses vehicles as the main carrier to communicate with other entities, promoting efficient transmission and sharing of traffic data. Using real identities for communication may leak private data, so pseudonyms are commonly used as identity credentials. However, existing anonymous authentication schemes have limitations, including large vehicle storage demands, information redundancy, time-dependent pseudonym updates, and public–private key updates coupled with pseudonym changes. To address these issues, we propose a certificateless strong anonymous privacy protec

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