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Journal articles on the topic 'Certificate generation'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Zhou, Min, Fei He, Bow-Yaw Wang, Ming Gu, and Jiaguang Sun. "A Unified Framework for DPLL(T) + Certificates." Journal of Applied Mathematics 2013 (2013): 1–13. http://dx.doi.org/10.1155/2013/964682.

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Satisfiability Modulo Theories (SMT) techniques are widely used nowadays. SMT solvers are typically used as verification backends. When an SMT solver is invoked, it is quite important to ensure the correctness of its results. To address this problem, we propose a unified certificate framework based on DPLL(T), including a uniform certificate format, a unified certificate generation procedure, and a unified certificate checking procedure. The certificate format is shown to be simple, clean, and extensible to different background theories. The certificate generation procedure is well adapted to

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J.L, Amarnath. "Online Blockchain based Certificate Generation and Validation System for Government Organization." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 09, no. 03 (2025): 1–9. https://doi.org/10.55041/ijsrem41957.

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Blockchain technology provides a transparent and safe way to generate and validate certificates online. Conventional certificate systems are frequently susceptible to loss, alteration, and falsification, which erodes credibility and confidence. Two This abstract investigates how blockchain-based systems could be able to help with these issues. These solutions make use of blockchain's distributed and immutable properties to guarantee the integrity and authenticity of digital certificates.1.Blockchain-basedbsmart contracts, which are self-executing agreements, automate the certificate issue and

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Chen, Deng, Wang Lin, and Zuohua Ding. "A Learner-Refiner Framework for Barrier Certificate Generation." Mathematics 13, no. 5 (2025): 848. https://doi.org/10.3390/math13050848.

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Barrier certificate is a powerful tool for verifying they safety property of dynamical systems. In this paper, we introduce an innovative learner–refiner framework for synthesizing polynomial barrier certificates. The framework comprises a learner and a refiner, which work inductively to generate barrier certificates. More specifically, the learner trains barrier certificate candidates represented by feedforward neural networks with polynomial activations, while the refiner utilizes sums of squares (SOS) programming to either validate the candidates or recover valid barrier certificates. Our f

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Patel, Mr Jignesh, Aditya Vishwakarma, Mohammad Kaif, and Shahan Ali. "Leveraging Blockchain Technology for Government Certificate Authentication and Validation." International Journal for Research in Applied Science and Engineering Technology 13, no. 4 (2025): 4416–25. https://doi.org/10.22214/ijraset.2025.69312.

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Abstract: Online blockchain-based certificate generation and validation represent a crucial advancement in enhancing transparency, security, and efficiency within government operations. This system enables government organizations to securely issue, verify, and manage certificates, ensuring the integrity of essential documents such as birth certificates, educational diplomas, business licenses, and other critical records. The integration of blockchain technology into certificate management systems can significantly streamline government services while safeguarding against fraudulent activities

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Arpita, Sarkar, and Tripathi Sachin. "REMOVAL OF CERTIFICATES FROM SET PROTOCOL USING CERTIFICATELESS PUBLIC KEY CRYPTOGRAPHY." International Journal of Network Security & Its Applications (IJNSA) 4, no. 6 (2012): 157–72. https://doi.org/10.5281/zenodo.3726547.

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Secure Electronic Transaction (SET) is a standard e-commerce protocol for securing credit card transactions over insecure networks. In a transaction using SET, all the members need public key certificates in order to authenticate their public key. Certificates are created by certificate authorities (CAs), The process of getting certificates from a certificate authority(CA) for any SET participants involves a large number of procedures like sending request to issue a certificates, getting approval or rejection of request and finally obtain the certificates, which is essentially time consuming a

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Brick, Kerri, and Martine Visser. "Green certificate trading." Journal of Energy in Southern Africa 22, no. 1 (2011): 42–54. http://dx.doi.org/10.17159/2413-3051/2011/v22i1a3201.

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Policies to promote renewable electricity are increasingly seen as a way to reduce the negative environmental impacts associated with electricity consumption and meet growing electricity demand. This paper reviews the international experience with one such policy, namely, renewable energy certificates, and considers important design aspects of a national green certificate system. Within a South African context, a green certificate system would provide a mechanism with which to verify compliance with any future renewable energy obligations, and would encourage renewable electricity generation i

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Mathew, Ebin, Maria Paulson, Reshma Joy, and Jisha P. Abraham. "E-Certificate Generation using Blockchain." International Journal of Computer Trends and Technology 68, no. 3 (2020): 70–73. http://dx.doi.org/10.14445/22312803/ijctt-v68i3p114.

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Zakiyah, Nuruz, and Diana Hertati. "Implementation of Birth Certificate Preparation for a Mother's Child through Klampid New Generation (KNG) in Rungkut Menanggal Village." Jurnal Manajemen Publik dan Kebijakan Publik (JMPKP) 6, no. 1 (2024): 50–59. http://dx.doi.org/10.36085/jmpkp.v6i1.6004.

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Public services can be defined as all forms of services carried out by service providers with the aim of meeting community needs. Kelurahan as one of the public service providers closest to the community has various forms of services, one of which is the embassy of birth certificates. One type of birth certificate is the birth certificate of a mother's child which is specially made because the parents of the child only have a siri marriage or are pregnant outside of marriage. In Rungkut Menanggal village, the processing of a mother's child birth certificate document is also the same as the pro

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Camara, William Dinis, Steven Choquette, Katya Delak, et al. "DIGITAL NIST: An examination of the obstacles and opportunities in the digital transformation of NIST’s reference materials." Acta IMEKO 12, no. 1 (2023): 1–4. http://dx.doi.org/10.21014/actaimeko.v12i1.1403.

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Early in 2022, NIST embarked on a pilot project to produce digital calibration reports and digital certificates of analysis for reference materials. The goal is to produce examples of digital reports and certificates to assess the scope and challenges of digital transformation in those particular measurement services. This paper focuses on the Reference Material Certificate effort of the pilot project. Our aims for this part of the pilot project are: to generate a digital Reference Material Certificate from certification data; descriptive information about the material, and other data and meta

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Xin, Cheng, Shuo Wang, Xinyu Wang, Ye Ke, Bing Liu, and Fan Yao. "The optimization and dispatch of regional multi-energy complementary power system in green certificate Trading - Carbon emission trading." Journal of Physics: Conference Series 2814, no. 1 (2024): 012013. http://dx.doi.org/10.1088/1742-6596/2814/1/012013.

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Abstract This proposal of the “double carbon” goal underscores the pressing need to reduce carbon emissions. To address this issue, the utilization of an optimal scheduling model for an integrated multi-energy complementary system, comprising wind, solar storage, and thermal power generation, is proposed. Two renewable energy generating units, wind and photovoltaic power, cooperate with thermal power units to generate electricity to meet urban base load requirements. Energy storage units compensate for the instability of power generation from renewable energy units. To significantly decrease s

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Suwayeb, Abdulaziz Mahmud, and Mahmoud Mohamed Elsaghayer. "Using Elliptic-Curve to Implements SSL Certificate Derives from CSR to Make Secure Connection between Server and Client." International Science and Technology Journal 36, no. 1 (2025): 1–11. https://doi.org/10.62341/amuc1218.

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The paper discusses the implementation of Secure Sockets Layer (SSL) certificates, which are obtained from Certificate Signing Requests (CSRs), to facilitate secure connections between servers and clients. SSL serves as an essential encryption protocol that guarantees the confidentiality, integrity, and authenticity of data transmitted over networks, thus playing a vital role in safeguarding online transactions and communications. The paper outlines SSL process, which encompasses key components such as the key generation, and data encryption. Additionally, it highlights the importance of the R

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K, BHAVANI. "Academic Credentials Issuance and Validation System Using Blockchain." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 03 (2024): 1–5. http://dx.doi.org/10.55041/ijsrem29435.

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Certificate generation and validation have long been essential processes in various domains, from education and professional certifications to document authentication. However, traditional methods of issuing and verifying certificates often suffer from issues like fraud, tampering, and inefficient record-keeping. Digital certificates with distinctive cryptographic hashes are produced using blockchain technology and safely stored there. This increases trust and lowers the danger of certificate counterfeiting by making certificates easily available and tamper-proof. Blockchain facilitates seamle

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Jain, Rachna, Geetika Dhand, Kavita Sheoran, Shaily Malik, and Nishtha Jatana. "Blockchain based Certificate Validation." Fusion: Practice and Applications 12, no. 2 (2023): 42–53. http://dx.doi.org/10.54216/fpa.120204.

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Certificate management is a tedious task for any university or any other organization. These schemes impose problems in Public Key Infrastructure (PKI). Checking the validity and preserving the security of these documents is of utmost importance. In this work, we have devised a blockchain-based solution for preventing malfunctioning in certificate validation which is an important step for any university. Each certificate is uploaded in its hash format and is stored using blockchain. The hashes are stored in unique transactions in nodes, which are deployed on a private network. Using the SHA-25

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ALBERT, ELVIRA, PURI ARENAS, GERMÁN PUEBLA, and MANUEL HERMENEGILDO. "Certificate size reduction in abstraction-carrying code." Theory and Practice of Logic Programming 12, no. 3 (2011): 283–318. http://dx.doi.org/10.1017/s1471068410000487.

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AbstractAbstraction-Carrying Code (ACC) has recently been proposed as a framework for mobile code safety in which the code supplier provides a program together with an abstraction (or abstract model of the program) whose validity entails compliance with a predefined safety policy. The abstraction plays thus the role of safety certificate and its generation is carried out automatically by a fixpoint analyzer. The advantage of providing a (fixpoint) abstraction to the code consumer is that its validity is checked in a single pass (i.e., one iteration) of an abstract interpretation-based checker.

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Zhao, Hanrui, Niuniu Qi, Lydia Dehbi, Xia Zeng, and Zhengfeng Yang. "Formal Synthesis of Neural Barrier Certificates for Continuous Systems via Counterexample Guided Learning." ACM Transactions on Embedded Computing Systems 22, no. 5s (2023): 1–21. http://dx.doi.org/10.1145/3609125.

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This paper presents a novel approach to safety verification based on neural barrier certificates synthesis for continuous dynamical systems. We construct the synthesis framework as an inductive loop between a Learner and a Verifier based on barrier certificate learning and counterexample guidance. Compared with the counterexample-guided verification method based on the SMT solver, we design and learn neural barrier functions with special structure, and use the special form to convert the counterexample generation into a polynomial optimization problem for obtaining the optimal counterexample.

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Ira Zulfa, Eliyin Eliyin, and Muhammad Riski Aulia. "Sosialisasi Sistem Pembuatan Sertifikat Otomatis dengan Metode System Development Life Cycle di PT PLN (Persero) Unit Induk Distribusi Aceh." NUSANTARA Jurnal Pengabdian Kepada Masyarakat 5, no. 3 (2025): 185–98. https://doi.org/10.55606/nusantara.v5i3.6283.

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This service presents the results of activities carried out at PT PLN (Persero) Aceh Distribution Unit, focusing on designing a web-based automatic certificate generation system using the System Development Life Cycle (SDLC) method. The main goal of the development of this system is to improve efficiency and effectiveness in the process of creating certificates that were previously done manually. Through the needs analysis, it was found that the current manual system resulted in delays and errors in the management of certificate data. The SDLC method was chosen to ensure that system developmen

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Wadhwani, Sahil. "Certificate Verification and Counterfeit Detection using Blockchain." International Journal for Research in Applied Science and Engineering Technology 11, no. 11 (2023): 1288–94. http://dx.doi.org/10.22214/ijraset.2023.56705.

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Abstract: Certificates help students not only to prove their achieved goals and milestones but also ensure that he/she maintains a high level of knowledge in that particular field. An estimated total of 25.57 crore Indian students have been enrolled for primary to higher education in 2020–21 and nearly 65 lakhs of them graduate each year. Throughout this journey, a student generates a myriad number of certificates that may include results, transcripts, degrees, diplomas, etc. A student has to submit these certificates to apply for a job or seek higher admission in any particular organization.

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Zhang, Xiongqi, Junwei Xu, Yang Wang, Dongming Xiang, Wang Lin, and Zuohua Ding. "Formal Synthesis of Barrier Certificates Using Fourier Kolmogorov-Arnold Network." Proceedings of the AAAI Conference on Artificial Intelligence 39, no. 1 (2025): 1138–46. https://doi.org/10.1609/aaai.v39i1.32101.

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Barrier certificate generation is an efficient and powerful technique for formally verifying safety properties of cyber-physical systems. Feed-forward neural networks (FNNs) are commonly used to synthesize barrier certificates, but the fixed activation functions limit their efficiency and scalability. In this paper, we propose a novel method for generating barrier certificates using Fourier Kolmogorov-Arnold Networks (KANs). Specifically, it utilizes Fourier KANs to replace FNNs as the template of barrier certificates. Since Fourier KAN has learnable activation functions and uses trigonometric

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Salunkhe, Kedar, Ruturaj Landghule, Shubham Tarate, Tejas Beloskar, and Dr. Priyanka Kadam. "Securing College Documents Through Concept of Blockchain in Cloud." International Journal of Ingenious Research, Invention and Development (IJIRID) 4, no. 2 (2025): 412–21. https://doi.org/10.5281/zenodo.15296586.

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<em>From its early days as an unchangeable log of bitcoin transactions, blockchain technology has developed into a dynamic framework for the development of dependable, decentralized applications. The author is not aware of any prior attempts to create a permanent system to trace the history of scientific data and automatically confirm its provenance records, despite blockchain's broad acceptance. This position encourages reliable data provenance compilation, verification, and administration through the use of blockchain technology. Several studies that examine the qualifications of the over on

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Mannari, Revanth, Sravanthi Thota, K. Sreekala Dr., and N. Musrat Sultana Mrs. "COLLEGE CLUB MANAGEMENT SYSTEM." Recent Trends in Information Technology and its Application 7, no. 3 (2024): 57–63. https://doi.org/10.5281/zenodo.12159193.

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<em>The primary objective of this project is to streamline and enhance the administration of student clubs and organizations within a college or university setting.  This system provides a centralized platform for club members, leaders, and faculty advisors to manage club activities, membership, events, and communications efficiently. The website offers functionalities such as event registration, providing feedback, and generating certificates. It aims to foster better engagement, coordination, and participation among the student body, ultimately enriching the campus experience. Administr

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Tianhan Gao, Luoyin Feng, Yingnan Zhao, Shiyue Qin, and Quanqi Wang. "The Trusted Two-dimensional Code System based on Certificate-based Signature Scheme." Research Briefs on Information and Communication Technology Evolution 1 (January 15, 2015): 135–44. http://dx.doi.org/10.56801/rebicte.v1i.18.

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With the high capacity, fast recognition speed, as well as strong correction ability, two-dimensionalcode is widely used in many fields such as e-commerce. However, how to guarantee the authenticityof two-dimensional code becomes an urgent security demand. In this paper, we design and implementan authentic two-dimensional code system based on certificate-based signature scheme (CBS).The system includes trusted center module, authentic two-dimensional code generation module, andauthentic two-dimensional code verification module. The trusted center is in charge of initializingsystem parameters a

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Poornima, D., and V. Mamatha. "Notarial Office Certificate Generation, Authentication and Storage for user Requested Application based on Blockchain." International Journal of Innovative Science and Research Technology 7, no. 10 (2022): 2029–35. https://doi.org/10.5281/zenodo.7365068.

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In the present recent studies have given that Blockchain is been more helpful in the well being of counties technology mainly with respect the eGovernment updation in technology like e-voting, smart city concept and many more. Just like that the notarial office certificate issuing is the part of e-government which place an important role in ones life. So, this could be done easy with the Blockchain Technology (BT). We propose an AES Encryption and decryption method of file storing and mongo DB which is used for the status and information of the application submitted will be stored. In the exis

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Normasyhuri, Khavid, Relit Nur Edi, Hervin Yoki Pradikta, and Erike Anggraeni. "Halal Food Awareness and Halal Certification: Halal Food Purchasing Decisions of Generation Z Muslim Consumers in Urban and Sub-Urban Areas." ASAS 16, no. 2 (2024): 203. https://doi.org/10.24042/asas.v16i2.24640.

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Abstract: Halal food decisions by Muslim consumers illustrate complex interactions. In urban and suburban areas, generation Z faces a multicultural and pluralistic environment which influences their perspective, including regarding food consumption. Halal food purchasing decisions by Muslim consumers around the world reflect a complex mix of Halal Food Awareness and Halal Certification. The aim of this research is to look at aspects of halal food awareness and halal certificates in making decisions to purchase halal food for Generation Z Muslim consumers in urban and sub-urban areas. The resea

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Alfajriyani, Siti, Nesha Rizky Ashari, Novita Ayu Amalikhah, and Jeihan Ali Azhar. "Intention To Purchase Halal Medicine: The Mediation Effect of Halal Certificates." AL-FALAH : Journal of Islamic Economics 9, no. 1 (2024): 85. http://dx.doi.org/10.29240/alfalah.v9i1.9240.

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Purpose: This research aim for now intention generation Z in inner DKI Jakarta buy halal medicines with use theory action planning (TPB) through attitudes, norms subjective and control perceived behavior, with halal certificate as variable mediation.Design/Method/Approach: This research use approach quantitative with primary data. Data collection techniques use questionnaires / questionnaires distributed online via Google from, and data analysis using SEM.Findings: Research result This show that attitudes, norms subjective and control behavior influential positive and significant to intention

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Gujar, Vivek. "Enhancing Verification & Authenticity through Digital Certificate Generation with Facial Recognition for Educational Institutions: A Case Study of IndoAI app." International Journal for Research in Applied Science and Engineering Technology 11, no. 12 (2023): 2173–79. http://dx.doi.org/10.22214/ijraset.2023.57818.

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Abstract: In today's dynamic academic environment, millions of students seek various certificates while studying in academic institutions amplifying challenges for educators and administrators in manually handling academic records and certificates, particularly during employment processes and record maintenance. The persistent threat of counterfeiting adds to these challenges. This Case study of IndoAI ‘s Certification addresses the need for a robust authentication mechanism for academic certificates, proposing the utilization of digital certificate systems alongside cutting-edge facial recogn

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Salvalai, Graziano, Marta Maria Sesana, and Ilaria Isacco. "New generation Energy Performance Certificate: Development and application in an Italian case study as an EU proof of concept." E3S Web of Conferences 523 (2024): 06001. http://dx.doi.org/10.1051/e3sconf/202452306001.

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The Energy Performance of Buildings Directive recast, voted in March 2024, aims to boost the amelioration of the Energy Performance Certificate (EPC) with the introduction of new indicators in a dedicated template (Annex V), as a key tool towards the decarbonization of the building sector, in line with the Green Deal’s climate neutrality goals. In this context, the H2020 Energy Performance Certificate Recast project develops a new generation of EPC focused on existing residential buildings. The paper presents the state of progress of the Energy Performance Certificate Recast methodology, compa

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Shen, Xin, Xuncheng Zhu, Yuan Yuan, Zhao Luo, Xiaoshun Zhang, and Yuqin Liu. "Optimal Dispatch of Power Grids Considering Carbon Trading and Green Certificate Trading." Technologies 13, no. 7 (2025): 294. https://doi.org/10.3390/technologies13070294.

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In the context of the intensifying global climate crisis, the power industry, as a significant carbon emitter, urgently needs to promote low-carbon transformation using market mechanisms. In this paper, a multi-objective stochastic optimization scheduling framework for regional power grids integrating carbon trading (CET) and green certificate trading (GCT) is proposed to coordinate the conflict between economic benefits and environmental objectives. By building a deterministic optimization model, the goal of maximizing power generation profit and minimizing carbon emissions is combined in a w

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Pineda, Salvador, and Andreas Bock. "Renewable-based generation expansion under a green certificate market." Renewable Energy 91 (June 2016): 53–63. http://dx.doi.org/10.1016/j.renene.2015.12.061.

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Malafeev, Alexey. "Language Exercise Generation." International Journal of Conceptual Structures and Smart Applications 2, no. 2 (2014): 20–35. http://dx.doi.org/10.4018/ijcssa.2014070102.

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This manuscript presents an approach to the automatic generation of open cloze exercises based on arbitrary English text. The exercise format is similar to the open cloze test used in Cambridge English certificate exams (FCE, CAE, CPE). The presented method also makes it possible to adjust the difficulty of the resulting exercises to better suit specific proficiency levels. Three experiments were conducted to evaluate the usefulness of the machine-generated exercises, compare them with authentic Cambridge English tests and study the difficulty-setting capabilities. The experiments showed that

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Acharya, Rahul, and Sumitra Binu. "Blockchain based examination system for effective evaluation and maintenance of examination records." International Journal of Engineering & Technology 7, no. 2.6 (2018): 269. http://dx.doi.org/10.14419/ijet.v7i2.6.10781.

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The main objective of this paper is to provide a Blockchain based framework for conducting and evaluating academic tests in a peer-to-peer manner with auto-generation of certificates upon successful completion of the examination. We illustrate how a self-sustained education ecosystem can be developed on top of a blockchain for a fair evaluation without the need of a central trusted entity for obtaining certificates or degrees that prove one's dexterity over a subject. In order to make the test as transparent as possible, we store the hash-digest of every question asked and every question answe

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Ayuninggati, Tsara, Eka Purnama Harahap, Mulyati, and Raihan Junior. "Supply Chain Management, Certificate Management at the Transportation Layer Security in Charge of Security." Blockchain Frontier Technology 1, no. 01 (2021): 1–12. http://dx.doi.org/10.34306/bfront.v1i01.3.

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In the public key infrastructure, the certification authority is fully trusted, and the security of the public key infrastructure depends on the trust of the certification authority; however, recent attacks and corruption on the certification authority indicate that the certificate is forged when the certification authority fails . New solutions, blockchain-based public key infrastructure products and registry can repair vulnerabilities in public key infrastructure, especially weaker security systems. Proposals for infrastructure-based public key infrastructure. Public keys are still the targe

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Sukesti, Fatmasari, Nurcahyono Nurcahyono, Mamdukh Budiman, and Luluk Muhimatul Ifadah Ifada. "Determinant Factors Cross Generation Behavior on Halal Food Product: Empirical Evidence from Indonesia." International Journal of Islamic Business Ethics 9, no. 1 (2024): 1. http://dx.doi.org/10.30659/ijibe.9.1.1-14.

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The purpose of this study is to add new knowledge about the determinants of factors influence the choice of halal food products in Indonesia in X, Y and Z generations. The exiting literature focusses on halal product with all consumers regardless of age. The determining variable uses subjective norms, level of religiosity, halal certificate and health awareness. This study uses the theory of planned behavior to explaining phenomena and relationships between variables. This research is also part of the development of previous research. The research used a sample of 400 respondents from each gen

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Ms.M. Savitha, S J Gopika, E K Jayaprakash, and G J Lashman. "Implementation of AI-Driven Academic Achievement Tracker." International Research Journal on Advanced Engineering Hub (IRJAEH) 3, no. 04 (2025): 1479–85. https://doi.org/10.47392/irjaeh.2025.0211.

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Managing certificates and academic records manually is inefficient and time-consuming, leading to administrative overhead, errors, and delays in report generation. Physical storage of certificates for academic, extracurricular, and faculty development activities makes it difficult to maintain accurate records and provide personalized academic guidance. To address this, an AI-driven system has been developed to automate certificate digitization, skill extraction, and academic record management. The system integrates OCR to extract text from certificates, NLP to identify event names, and an onto

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Au, Andrew C. H., Brenda H. S. Lam, Y. C. Kwan, and Angus K. K. Tung. "Pressure Calibration of Quarter-Inch Working Standard Microphones by Comparison." NCSLI Measure 14, no. 1 (2022): 40–48. http://dx.doi.org/10.51843/measure.14.1.7.

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The Standards and Calibration Laboratory (SCL) in Hong Kong has developed a system for calibration of quar-ter-inch working standard (WS3) microphones which automates the measurement process and generates digital calibration certificates (DCCs) to meet the growing demand for microphone calibration services in Hong Kong. This paper describes (i) the method of determining the pressure sensitivity of a microphone combination unit from 20 Hz to 20 kHz by the comparison technique in accordance with the International Standard IEC 61094-5, (ii) the measurement model and uncertainty evaluation, and (i

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Nummiluikki, Juho, Sari Saxholm, Anu Kärkkäinen, and Sami Koskinen. "Digital Calibration Certificate in an industrial application." Acta IMEKO 12, no. 1 (2023): 1–6. http://dx.doi.org/10.21014/actaimeko.v12i1.1402.

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Rapid growth of automation generates increasing need for measurement data, provided by sensors, the interface between real and digital world. In Industry 4.0 scheme the measurement data, including the calibration information, flows through the whole production chain in digital format. We demonstrated a fully digitalized environment for the calibration data generation, transfer, and usage in a Proof of Concept (PoC) project. Various stages of the PoC and different information systems used by the partners Aalto University, VTT MIKES, Beamex, Vaisala and Orion are discussed. The developed and tes

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Zhang, Wenyu, Yu Shen, Chen Xing, et al. "Joint Decision-Making Model of Power Manufacturer Participation in Green Certificate Market and Medium - and Long-Term Power Market." SHS Web of Conferences 170 (2023): 03002. http://dx.doi.org/10.1051/shsconf/202317003002.

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To effectively guide power manufacturers in the medium and long-term market and green certificate market trading behavior. This paper firstly constructs the model of power manufacturers' participation in the green certificate market and the model of participating in the medium and long-term market of power, and establishes the coupling constraint of power manufacturers' participation in the power market and the green certificate market. Secondly, considering the speculative behavior of power manufacturers and using conditional value-at-risk to depict the profit risk of electricity generation d

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Nasfi, Nasfi, Sabri Sabri, and Hesi Eka Puteri. "FOOD COMPOSITION AND HALAL AWARENESS AGAINST INTENTION TO BUY FAST FOOD WITH HALAL CERTIFICATE AS AN INTERVENING VARIABLE." Jurnal Apresiasi Ekonomi 11, no. 2 (2023): 247–58. http://dx.doi.org/10.31846/jae.v11i2.636.

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The aim of the research is to analyze the effect of food composition and halal awareness on the intention to buy fast food with halal certificates as an intervening variable, research in the city of Bukittinggi, the research object of the millennial generation who likes to consume fast food. The population of the Millennial generation aged 15-39 years is 57,099. Non-probability sampling technique, purposive sampling method. The sampling method is the Hair et.al method, the research indicators are 11, the sample is set at 110. The data is processed using the Smart PLS Software. The results of t

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Lu, Zhilin, Bochun Zhan, Zihao Li, Yuan Leng, Xinhe Yang, and Fushuan Wen. "Optimal bidding strategy for generation companies alliance in electricity‐carbon‐green certificate markets." Energy Conversion and Economics 5, no. 3 (2024): 182–92. http://dx.doi.org/10.1049/enc2.12119.

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AbstractTo promote the profit of generation companies and reduce carbon emissions from the generation sector, a two‐layer decision‐making model based on the cooperative game is proposed. Based on the analysis of a renewable‐fossil energy generation alliance to participate in electricity‐carbon‐green certificate markets, a robust optimization model considering the price uncertainty in the electricity spot market is first established based on the information gap decision‐making theory as the upper part of a two‐layer optimization model. Subsequently, the clearing models of the electricity spot,

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Piro, Matteo, Mauthe Degerfeld Franz Bianco, Ilaria Ballarini, and Vincenzo Corrado. "The challenges for a holistic, flexible and through-life updated energy performance certificate." Sustainable Energy Technologies and Assessments 69 (August 1, 2024): 1–9. https://doi.org/10.1016/j.seta.2024.103922.

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One of the strategies proposed by the recently approved version of the Energy Performance of Buildings Directive recast is to provide the Member States with more reliable, accurate, and digitalised Energy Performance Certificates (EPCs), the so-called next-generation or enhanced EPCs. Currently, end-users perceive the EPC as just an administrative obligation for buying or renting a building. The data in the certificates provide limited energy-related information and lack accuracy. Moreover, they cannot account for the continuous changes that occur throughout building l

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Yin, Shuo, Yao Lu, Yongle Zheng, and Xiangyu Jiao. "Research on Bidding Model of Electricity Selling Company Considering Green Certificate Trading and Electricity Selling Blocking." E3S Web of Conferences 478 (2024): 01025. http://dx.doi.org/10.1051/e3sconf/202447801025.

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This article considers the optimal bidding model of traditional thermal power generation companies’ electricity sales companies, taking into account transmission congestion, under the influence of new policies such as the renewable portfolio standard (RPS) and the renewable exchange certificate (REC). Firstly, the transaction cost of green certificates is included in the cost of electricity sales, and an optimization model is established with the goal of maximizing the profit of the electricity sales company; Secondly, the node electricity price method is used to manage transmission congestion

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Gadelrab, Mohammed S., and Reham A. Abouhogail. "Towards a new generation of digital calibration certificate: Analysis and survey." Measurement 181 (August 2021): 109611. http://dx.doi.org/10.1016/j.measurement.2021.109611.

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Wagner, Karl. "Generation of a Tropically Adapted Energy Performance Certificate for Residential Buildings." Sustainability 6, no. 12 (2014): 8415–31. http://dx.doi.org/10.3390/su6128415.

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Shrivats, Arvind, and Sebastian Jaimungal. "Optimal Generation and Trading in Solar Renewable Energy Certificate (SREC) Markets." Applied Mathematical Finance 27, no. 1-2 (2020): 99–131. http://dx.doi.org/10.1080/1350486x.2020.1754260.

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Ma, Xiaoxuan, Xiongqi Zhang, Ning Lv, Xiuqing Cao, Wang Lin, and Zuohua Ding. "Data-driven barrier certificate generation using deep learning and symbolic regression." Journal of Systems Architecture 165 (August 2025): 103419. https://doi.org/10.1016/j.sysarc.2025.103419.

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Zet, Cristian, Gabriel Dumitriu, Cristian Fosalau, and Gabriel Constantin Sarbu. "Automated calibration and DCC generation system with storage in private permissioned Blockchain network." Acta IMEKO 12, no. 1 (2023): 1–7. http://dx.doi.org/10.21014/actaimeko.v12i1.1414.

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Digital technologies proven their usefulness in instrumentation and measurements since many years, becoming a “must have”. The use of microprocessors and microcontrollers in measuring instruments became a common practice, bringing the advantage of signal and information processing at the instrument level, digital interfaces, remote control, software update and calibration. Thus, the instrument can be calibrated and verified being connected in an automated calibration system which can carry all the process without the operator interference and to generate in the end the calibration certificate.

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Chrysikopoulos, Stamatios K., Panos T. Chountalas, Dimitrios A. Georgakellos, and Athanasios G. Lagodimos. "Green Certificates Research: Bibliometric Assessment of Current State and Future Directions." Sustainability 16, no. 3 (2024): 1129. http://dx.doi.org/10.3390/su16031129.

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In recent years, sustainability initiatives and the prominence of renewables have emerged as pivotal priorities in addressing environmental, ecological, and socioeconomic challenges. Within this context, green certificates—representing proof of electricity generation from renewable sources—have gained substantial recognition, enabling organizations to demonstrate their commitment to clean energy. This study employs a bibliometric analysis to chart the evolution and current state of green certificates research. Drawing from the Scopus database, we sourced bibliographic data, resulting in a refi

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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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Asiedu, William Asiedu, K. Osei-Boateng, and John Rajan. "Server-aided Public Key Signatures for Diverse Network Devices." International Journal of Technology and Management Research 1, no. 1 (2020): 57–63. http://dx.doi.org/10.47127/ijtmr.v1i1.6.

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One of the main challenges of securing effective computation in diverse network devices tends to be a limitation of their computational power. Server assisted signature scheme was recently presented as nonrepudiation service for mobile and constrained devices. They all tend to have a feature in common: limited computational capabilities and equally limited power (as most operate on batteries). The scheme suffered with high storage requirements and memory requirements for the mobile clients. This makes them ill-suited for public key signatures. This paper examines practical and conceptual impli

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Yang, Zhengfeng, Min Wu, and Wang Lin. "An efficient framework for barrier certificate generation of uncertain nonlinear hybrid systems." Nonlinear Analysis: Hybrid Systems 36 (May 2020): 100837. http://dx.doi.org/10.1016/j.nahs.2019.100837.

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Dueñas, Mary, and Alberta M. Gloria. "¡Pertenecemos y tenemos importancia aquí! Exploring Sense of Belonging and Mattering for First-Generation and Continuing-Generation Latinx Undergraduates." Hispanic Journal of Behavioral Sciences 42, no. 1 (2020): 95–116. http://dx.doi.org/10.1177/0739986319899734.

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Using a psychosociocultural approach, we examined the role of motivation, belonging, and congruity relative to sense of mattering for 236 Latinx undergraduates attending a public Midwest research university. Findings revealed the key role of belonging in understanding undergraduates’ experiences where belonging accounted for more than half of the variance of mattering as well as mediated the relationship of congruity and mattering. Differences by college generation, academic certificate, and student organization status were also revealed. Practical implications for faculty, administrators, and

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