Journal articles: 'Transaction systems (Computer systems)'

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Кучук, Н. Г., Г. М. Зубрицький, and Г. А. Кучук. "Resource distribution method in computer systems on integrated software platforms." Системи обробки інформації, no. 1 (168) (February 10, 2022): 36–42. http://dx.doi.org/10.30748/soi.2022.168.04.

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Computer Systems on Integrated Software Platforms are gaining popularity among users. They have a number of advantages over other platforms. In particular, this is a reduction in maintenance costs and the ability to quickly deploy additional Hardware & Software without stopping the system. But there are also a number of disadvantages. The most significant of these is an increase in the processing time for transactions of users using data warehouses. One of the directions of its solution is the formation of resource distribution, which is focused on minimizing resource costs. A mathematical model of resource distribution during transactions in CS on ISP is proposed. The distribution quality is determined by the criterion of minimizing the total transaction execution time. The admissible set of distributions is formed using the method of penalties for the execution of transactions. This further refines the integrated infrastructure. Simulation modeling of the process of distributing a computing resource with a selected plan made it possible to formulate requirements for the algorithm for solving the problem of scheduling transactions in an integrated environment. The proposed method also makes it possible to carry out operational rescheduling of transaction execution and reduce time costs when making operational changes to the transaction execution plan.

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Polovina, Simon. "A Transaction-Oriented Architecture for Enterprise Systems." International Journal of Intelligent Information Technologies 9, no. 4 (October 2013): 69–79. http://dx.doi.org/10.4018/ijiit.2013100105.

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Many enterprises risk business transactions based on information systems that are incomplete or misleading, given that 80-85% of all corporate information remains outside of their processing scope. It highlights that the bulk of information is too unstructured for these systems to process, but must be taken into account if those systems are to provide effective support. Computer technology nonetheless continues to become more and more predominant, illustrated by SAP A.G. recognising that 65-70% of the world's transactions are run using their technology. Using SAP as an illustrative case study, and by bringing in the benefits of technologies such as Service-Oriented Architecture (SOA), Business Process Management (BPM), Enterprise Architecture Frameworks (EA) and Conceptual Structures, a practical roadmap is identified to a Transaction-Oriented Architecture (TOA) that is predicated on the Transaction Concept. This concept builds upon the Resources-Events-Agents (REA) modelling pattern that is close to business reality. Enterprise systems can thus better incorporate that missing 80-85% of hitherto too-unstructured information thereby allowing enterprise systems vendors such as SAP, their competitors, customers, suppliers and partners to do an ever better job with the world's transactions.

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Marifati, Imam Soleh, and Vadlya Maarif. "Sistem Informasi Akuntansi Pemesanan dan Pembayaran (Ordering and Billing) Makanan dan Minuman Berbasis Android Pada RM. Ayam Goreng “Padamara” Purbalingga." Indonesian Journal on Software Engineering (IJSE) 4, no. 2 (July 23, 2019): 33–38. http://dx.doi.org/10.31294/ijse.v4i2.5978.

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Abstract - Ordering and billing transactions of food and beverages in a restaurant business are in the revenue cycle. Transactions in the revenue cycle have an important role for the company because from this transaction the company gets cash income. The use of information technology to support the transaction process can increase the effectiveness of the transaction process. Transactions can be processed quickly and accurately. Restaurant business can use accounting information systems to improve the effectiveness and efficiency of transaction processes in the revenue cycle. A computer-based accounting information system is needed in processing transactions. In this study, the authors developed the application of accounting information systems to process transactions in the revenue cycle for restaurant business activities. This application processes transaction data starting from ordering, payment and making revenue reports from restaurant business activities. Keywords: Order, Billing, Accounting Information System

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RUSINKIEWICZ, MAREK, PIOTR KRYCHNIAK, and ANDRZEJ CICHOCKI. "TOWARDS A MODEL FOR MULTIDATABASE TRANSACTIONS." International Journal of Cooperative Information Systems 01, no. 03n04 (December 1992): 579–617. http://dx.doi.org/10.1142/s0218215792000155.

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In many application areas the information that may be of interest to a user is stored under the control of multiple, autonomous database systems. To support global transactions in a multidatabase environment, we must coordinate the activities of multiple Database Management Systems that were designed for independent, stand-alone operation. The autonomy and heterogeneity of these systems present a major impediment to the direct adaptation of transaction management mechanisms developed for distributed databases. In this paper we introduce a transaction model designed for a multidatabase environment. A multidatabase transaction is defined by providing a set of (local) sub-transactions, together with their precedence and dataflow requirements. Additionally, the transaction designer may specify failure atomicity and execution atomicity requirements of the multidatabase transaction. These high-level specifications are then used by the scheduler of a multidatabase transaction to assure that its execution satisfies the constraints imposed by the semantics of the application. Uncontrolled interleaving of multidatabase transactions may lead to the violation of interdatabase integrity constraints. We discuss the issues involved in a concurrent execution of multidatabase transactions and propose a new concurrency control correctness criterion that is less restrictive than global serializability. We also show how the multidatabase SQL can be extended to allow the user to specify multidatabase transactions in a nonprocedural way.

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Stewart, Brian H. "Transaction exchange management systems for successful systems integration." Computers & Industrial Engineering 17, no. 1-4 (January 1989): 536–41. http://dx.doi.org/10.1016/0360-8352(89)90119-8.

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Baldoni, R. "Consistent Checkpointing for Transaction Systems." Computer Journal 44, no. 2 (February 1, 2001): 92–100. http://dx.doi.org/10.1093/comjnl/44.2.92.

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Appelbaum, Deniz, and Robert A. Nehmer. "Auditing Cloud-Based Blockchain Accounting Systems." Journal of Information Systems 34, no. 2 (October 25, 2019): 5–21. http://dx.doi.org/10.2308/isys-52660.

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ABSTRACT In this research, we often refer to Nakamoto's (2008) seminal paper, “Bitcoin: A Peer-to-Peer Electronic Cash System,” to consider his proposed abstracted characteristics and how auditors could look at companies' transactions interfacing to a private/semi-private blockchain with Nakamoto's general characteristics and address the related audit domain for such transactions. We then take these design requirements for auditors and, using design science research (DSR), we consider the transaction processing and contracting contexts that match those requirements in permissioned blockchains.The blockchains discussed in this paper would typically be business-to-business or business-to-consumer, private or semi-private, and residing in either a private, semi-private, or public cloud. Those blockchains will each have their own design and operational procedures, including validation procedures (the miners). We consider the audit issues of data reliability, data security, and transaction transparency in accounting transactions that lend themselves to a permissioned blockchain as well as other contextual issues.

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Alekhin, V. A. "Designing Electronic Systems Using SystemC and SystemC–AMS." Russian Technological Journal 8, no. 4 (August 6, 2020): 79–95. http://dx.doi.org/10.32362/2500-316x-2020-8-4-79-95.

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Current trends in the design of electronic systems is the use of embedded systems based on systems on a chip (System-on-Chip (SoC)) or (VLSI SoC). The paper discusses the design features of electronic systems on a chip using the SystemC design and verification language. For the joint design and simulation of digital systems hardware and software, seven modeling levels are presented and discussed: executable specification, disabled functional model, temporary functional model, transaction-level model, behavioral hardware model, accurate hardware model, register transfer model. The SystemC design methodology with functional verification is presented, which reduces development time.The architecture of the SystemC language and its main components are shown. The expansion of SystemC–AMS for analog and mixed analog-digital signals and its use cases in the design of electronic systems are considered. Computing models are discussed: temporary data stream (TDF), linear signal stream (LSF) and electric linear networks (ELN). The architecture of the SystemC–AMS language standard is shown and examples of its application are given. It is shown that the design languages SystemC and SystemC–AMS are widely used by leading developers of computer-aided design systems for electronic devices.

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Raza, Zeeshan, Irfan ul Haq, Muhammad Muneeb, and Omair Shafiq. "Energy Efficient Multiprocessing Solo Mining Algorithms for Public Blockchain Systems." Scientific Programming 2021 (October 31, 2021): 1–13. http://dx.doi.org/10.1155/2021/9996132.

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Blockchain as a decentralized distributed ledger is revolutionizing the world with a secure design data storage mechanism. In the case of Bitcoin, mining involves a process of packing transactions in a block by calculating a random number termed as a nonce. The nonce calculation is done by special nodes called miners, and all the miners follow the Proof of Work (PoW) mining mechanism to perform the mining task. The transaction verification time in PoW-based blockchain systems, i.e., Bitcoin, is much slower than other digital transaction systems such as PayPal. It needs to be quicker if a system adapts PoW-based blockchain solutions, where there are thousands of transactions being computed at a time. Besides this, PoW mining also consumes a lot of energy to calculate the nonce of a block. Mining pools resulting into aggregated hashpower have been a popular solution to speed up the PoW mining, but they can be attacked by using different types of attacks. Parallel computing can be used to speed up the solo mining methods by utilizing the multiple processes of the contributing processors. In this research, we analyze various consensus mechanisms and see that the PoW-based blockchain systems have the limitations of low transaction confirmation time and high energy consumption. We also analyze various types of consensus layer attacks and their effects on miners and mining pools. To tackle these issues, we propose parallel PoW nonce calculation methods to accelerate the transaction verification process especially in solo mining. We have tested our techniques on different difficulty levels, and our proposed techniques yield better results than the traditional nonce computation mechanisms.

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Marjudi, Suziyanti, Roziyani Setik, Raja Mohd Tariqi Raja Lope Ahmad, Wan Azlan Wan Hassan, and Aza Azlina Md Kassim. "Utilization of Business Analytics by SMEs In Halal Supply Chain Management Transactions." JOIV : International Journal on Informatics Visualization 7, no. 2 (May 5, 2023): 407. http://dx.doi.org/10.30630/joiv.7.2.1308.

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Halal supply chain management has transformed beyond food and beverage certification. However, extant literature shows that Halal transaction management still has much to improve in terms of transaction permissibility, with the main gap in understanding Halal businesses and their transactions limited to a system that separately defines e-commerce and financial technology data into its IT business environment. This study aims to demonstrate the usefulness of managing Halal transactions and its permissibility analysis through a proposed Halal Supply Chain Management Transactions (HSCMT) model and prototype by applying a business analytic approach to integrate both e-commerce and financial technology data. The study uses literature analysis to ensure the correct structure of the integrated datasets, before modeling the transaction's permissibility and prototyping its analytics into decision-making analytics. The developed HSCMT prototype uses a payment gateway that can be embedded into a Halal SME owners' e-commerce site. This creates a holistic Halal Financial technology (FinTech) transaction permissibility dashboard, increasing the effectiveness of HSCMT for Malaysia Halal SME Owners (MHSO) by an average usability score of 83.67%. Results also indicate that the key basic mechanisms to verify transactional permissibility are the source of the transaction, the use of the transaction, transaction flow, and transaction agreement. Furthermore, its mechanisms must be mapped onto a submodule post-transformation and modeling of the transaction dataset. Further improvements in multisource data points can be further considered, as this research only focuses on local data points from one payment gateway service. This is due to restrictions in data policy when involving overseas supply chain and transaction documentation. This research utilizes available data in business through data management, optimization, mining, and visualization to measure performance and drive a company's growth. The competency of business analytics can be beneficial to Halal SMEs players because it can provide them with insights into the permissibility decision-making process.

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SCHWARZ, KERSTIN, CAN TÜRKER, and GUNTER SAAKE. "INTEGRATING EXECUTION DEPENDENCIES INTO THE TRANSACTION CLOSURE FRAMEWORK." International Journal of Cooperative Information Systems 08, no. 02n03 (June 1999): 111–38. http://dx.doi.org/10.1142/s0218843099000071.

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The transaction closure framework provides means to describe and reason about different kind of dependencies between interrelated transactions. In this paper, we investigate execution dependencies for describing certain control flows among related transactions of a transaction closure. In particular, we consider the transitivity property for all kinds of transaction execution dependencies and present a complete and minimal set of rules for reasoning about the transitivity of execution dependencies. Furthermore, we analyze the relationship between execution and termination dependencies and point out that some dependency combinations are incompatible. Using derived transitive dependencies, we are able to conclude how arbitrary transactions of a transaction closure are transitively interrelated and, thus, to detect contradictory dependency specifications as well as superfluous transactions.

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Bai, Tian, Zhijie Li, and Bo Fan. "Multiprocessor Scheduling of Sensor Transactions for Real-Time Data Quality Maintenance." Mobile Information Systems 2020 (September 21, 2020): 1–13. http://dx.doi.org/10.1155/2020/8834383.

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In cyber-physical systems, sensor transactions should be effectively scheduled to maintain the temporal validity of real-time data objects. Previous studies on sensor transaction scheduling mainly focus on uniprocessor systems. In this paper, we study the problem of data quality-based scheduling of sensor transactions on multiprocessor platforms. The data quality is defined to describe the validity degree of real-time data objects. Two methods, named the Partitioned Scheduling for Quality Maximization (P-QM) and the improved P-QM scheduling (IP-QM), are proposed. P-QM maximizes the data quality by judiciously determining the preallocated computation time of each sensor transaction and assigns the transactions to different processors. IP-QM improves the data quality obtained from P-QM by adaptively executing transaction instances on each processor based on the current status of the system. It is demonstrated through experiments that IP-QM can provide higher data quality than P-QM under different system workloads.

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Noor Romy Rahwani, Manik Mutiara Sadewa, Nailiya Nikmah, Nurul Mukhlisah, and Sandra Iriawan. "Boosting Efficiency: Integrating Inventory Apps in Accounting Information Systems." Indonesian Journal of Applied Accounting and Finance 3, no. 2 (December 30, 2023): 153–66. http://dx.doi.org/10.31961/ijaaf.v3i2.2269.

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This research explored the implications of computer-based Accounting Information Systems (AIS) in the realm of inventory transactions, aiming to enhance business efficiency through the integration of business processes within companies. While prior research had primarily focused on transitioning from manual to computerized systems, this study shifted the focus towards comprehensive integration, addressing inefficiencies such as transaction redundancies, manual handovers, and potential data inaccuracies. Employing the Software Development Life Cycle (SDLC), the research methodology emphasized analysis, design, and implementation stages. The analysis stage involved identifying gaps in existing literature, while the design stage developed document flowcharts for inventory transactions with and without integration. The implementation stage provided a technical overview of integrating the designed flowcharts using recommended software.The findings revealed that the majority of prior studies endorsed the transition to computerized systems but fell short in addressing business process integration. The proposed integration framework was demonstrated through document flowcharts, showcasing the effectiveness of computer-based AIS in minimizing inefficiencies. The study illustrated a reduction in transaction redundancies and manual handovers, leading to enhanced business efficiency, data accuracy, and consistency.In conclusion, this study advocated for a holistic approach in leveraging technology for accounting practices. It underscored the significance of integrating various functions within businesses, going beyond mere automation. The practical implementation of integration features through off-the-shelf software solutions provided actionable insights for companies seeking to optimize their business processes in the digital era

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BOCCHI, LAURA, and EMILIO TUOSTO. "Attribute-based transactions in service oriented computing." Mathematical Structures in Computer Science 25, no. 3 (November 10, 2014): 619–65. http://dx.doi.org/10.1017/s0960129512000904.

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We present a theory for the design and verification of distributed transactions in dynamically reconfigurable systems. Despite several formal approaches have been proposed to study distributed transactional behaviours, the inter-relations between failure propagation and dynamic system reconfiguration still need investigation. We propose a formal model for transactions in service oriented architectures (SOAs) inspired by the attribute mechanisms of the Java Transaction API. Technically, we model services in ATc (after ‘Attribute-basedTransactionalcalculus’), a CCS-like process calculus where service declarations are decorated with atransactional attribute. Such attribute disciplines, upon service invocation, how the invoked service is executed with respect to the transactional scopes of the invoker. A type system ensures that well-typed ATc systems do not exhibit run-time errors due to misuse of the transactional mechanisms. Finally, we define a testing framework for distributed transactions in SOAs based on ATc and prove that under reasonable conditions some attributes are observationally indistinguishable.

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R.Kennady, Et al. "Multi-core Tile-based Processor with Transactional Memory for Efficient Use of Resources." International Journal on Recent and Innovation Trends in Computing and Communication 11, no. 2 (February 25, 2023): 215–19. http://dx.doi.org/10.17762/ijritcc.v11i2.9836.

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This research focuses on the design and implementation of a multi-core processor with a tile structure and transactional memory method to improve resource utilization and address the limitations of hardware transactional memory systems. The proposed processor utilizes a network-on-chip to connect the tiles, and the number of each tile type can be adjusted based on application requirements. In this architecture, L2 cache is bypassed during transaction execution, and a router on the chip efficiently routes and stores transaction read-write requests in a transaction buffer area. A partition strategy is employed to allocate a portion of the available region specifically for transaction threads, and the read-write operations of transactions are recorded in the transaction buffer area. Furthermore, the size of the partition dynamically expands as the transaction read-write set increases. Through these innovations, the research aims to address issues related to resource waste, low buffer area utilization, and lack of support for thread switching and migration. The effectiveness of the proposed design is evaluated through simulations and benchmarking, demonstrating its ability to mitigate transaction buffer overflow and enhance overall performance.

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Sun, Nigang, Junlong Li, Yining Liu, and Varsha Arya. "A Scalable Sharding Protocol Based on Cross-Shard Dynamic Transaction Confirmation for Alliance Chain in Intelligent Systems." International Journal on Semantic Web and Information Systems 19, no. 1 (November 7, 2023): 1–30. http://dx.doi.org/10.4018/ijswis.333063.

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Applying sharding protocol to address scalability challenges in alliance chain is popular. However, inevitable cross-shard transactions significantly hamper performance even at low ratios, negating scalability benefits when they dominate as shard scale grows. This article proposes a new sharding protocol suitable for alliance chain that reduces cross-shard transaction impact, improving system performance. It adopts a directed acyclic graph ledger, enabling parallel transaction processing, and employs dynamic transaction confirmation consensus for simplicity. The protocol's sharding process and node score mechanism can deter malicious behavior. Experiments show that compared with mainstream sharding protocols, the protocol performs better when affected by cross-shard transactions. Moreover, its throughput has shown improvement compared to high-performance protocols without cross-shard transactions. This solution suits systems requiring high throughput and reliability, maintaining a stable performance advantage even as cross-shard transactions increase to the usual maximum ratio.

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HWANG, JUNSEOK, SO YOUNG KIM, HAK-JIN KIM, and JIHYOUN PARK. "AN OPTIMAL TRUST MANAGEMENT METHOD TO PROTECT PRIVACY AND STRENGTHEN OBJECTIVITY IN UTILITY COMPUTING SERVICES." International Journal of Information Technology & Decision Making 10, no. 02 (March 2011): 287–308. http://dx.doi.org/10.1142/s0219622011004336.

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Utility computing services constitute business opportunities in the customer-to-customer (C2C) marketplace. Providers deal with the risks and uncertainties faced by users while transacting with unfamiliar counterparts. Ensuring trustworthy transactions among unfamiliar users is an important condition of utility-computing service. Many peer-to-peer (P2P) sites utilize reputation systems; however, such systems are subject to lack of reviewer objectivity and robustness against attacks as well as unfair ratings. In this study, we propose the manual adjustment of reputation ratings by means of transaction monitoring and establish that the resulting enhanced objectivity and robustness in utility-computing service transactions will strengthen the trust management system. We also propose the optimal level of monitoring and penalizing activities based on the level of privacy concerns among users and the appropriate complementary service.

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Marifati, Imam Soleh, and Ubaidillah Ubaidillah. "Sistem Informasi Akuntansi Siklus Pendapatan Pada Usaha Bengkel Budi Barokah Sokaraja." Indonesian Journal on Software Engineering (IJSE) 5, no. 1 (June 28, 2019): 44–51. http://dx.doi.org/10.31294/ijse.v5i1.5863.

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Abstract: Computer-based accounting information systems can be used by companies to improve the efficiency, effectiveness and accuracy of the processes of business transactions that occur in the company. The income accounting cycle which is one of the cycles in an accounting information system needs attention because this cycle produces revenue transactions which are a financial source for the company. The use of computer-based systems in this cycle can also provide added value in the form of improving services to customers. To implement a computer-based accounting information system, a software is needed to process revenue transactions. In this study, the authors developed an application of accounting information systems to process transactions in the income cycle found in vehicle workshop businesses. This application processes transaction data starting from ordering repair services, recording spare parts usage, repair service fees, bill payments and and making income reports on workshop business activities. Keywords: revenue cycle, repairation service, accounting information system

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Krumeich, Julian, Timo Bredehöft, Dirk Werth, and Peter Loos. "Computer-Assisted E-Customs Transactions." International Journal of Electronic Government Research 11, no. 1 (January 2015): 21–38. http://dx.doi.org/10.4018/ijegr.2015010102.

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E-government aims to ease administrative processes based on an electronic handling. While larger enterprises can often benefit from electronically integrated governmental transaction services, small and medium-sized enterprises (SME) regularly face certain obstacles. For instance, this can be observed in the context of e-customs transactions. According to a United Nations study, an inefficient customs clearance is responsible for 7% of international trade costs. Hence, governments across the world aimed to reduce administrative burdens by introducing electronic customs systems. The paper at hand examines existing approaches of electronically declaring exports to e-customs systems focusing the German ATLAS system. Based on an evaluation regarding the appropriateness of existing approaches from the perspective of SME, the paper concludes that none of them sufficiently meets their specific requirements. To tackle this status-quo, the paper presents the concept of computer-assisted e-customs transactions as well as the EXPORT system, which is a prototypical implementation of the proposed concept.

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Khan, Mohammad Monirujjaman, Nesat Tasneem RoJa, Faris A. Almalki, and Maha Aljohani. "Revolutionizing E-Commerce Using Blockchain Technology and Implementing Smart Contract." Security and Communication Networks 2022 (May 31, 2022): 1–8. http://dx.doi.org/10.1155/2022/2213336.

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The days of storing data manually are behind us. We are opting for the online form of data storage and transfer. The new era of data digitization comes with its own perks and detriments. Cybersecurity is still a crucial concern today. As more data transfer occurs through an online medium, the risks of a breach and cyberattacks are inevitable. The whole foundation of e-commerce is based on the online transfer of goods and transactions without the need to travel. Transferring transactional data and transactions in e-commerce are prone to cyber threats. Our research’s major objective is to develop a system that protects against such mishaps, especially during the transfer of transactional data, and also implement an automated system that ensures these transactions occur without any errors. To implement this, we are taking advantage of new emerging technologies called blockchain and smart contract. Blockchain allows a decentralized, immutable digital ledger to safely store and transfer data across the network. Blockchain technology is used in e-commerce to transfer transactions in a safe, secure, and faster way. Blockchain enables a peer-to-peer transaction system and data encryption that enables the safe transfer of transactional data. Blockchain is used to transfer transactional data. A smart contract is a special program that enables, verifies, and enforces the terms of a contract digitally. It provides transactional security as the contact is in place. The blockchain, coupled with smart contracts, will revolutionize the future of e-commerce. We have combined blockchain technology to ensure data security and user privacy with smart contracts to ensure that the protocol for the transaction is maintained. The results are presented by building and implementing the proposed system that provides the solution for transactional data privacy.

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Murthy, Uday S., and Guido L. Geerts. "An REA Ontology-Based Model for Mapping Big Data to Accounting Information Systems Elements." Journal of Information Systems 31, no. 3 (May 1, 2017): 45–61. http://dx.doi.org/10.2308/isys-51803.

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ABSTRACT The term “Big Data” refers to massive volumes of data that grow at an increasing rate and encompass complex data types such as audio and video. While the applications of Big Data and analytic techniques for business purposes have received considerable attention, it is less clear how external sources of Big Data relate to the transaction processing-oriented world of accounting information systems. This paper uses the Resource-Event-Agent Enterprise Ontology (REA) (McCarthy 1982; International Standards Organization [ISO] 2007) to model the implications of external Big Data sources on business transactions. The five-phase REA-based specification of a business transaction as defined in ISO (2007) is used to formally define associations between specific Big Data elements and business transactions. Using Big Data technologies such as Apache Hadoop and MapReduce, a number of information extraction patterns are specified for extracting business transaction-related information from Big Data. We also present a number of analytics patterns to demonstrate how decision making in accounting can benefit from integrating specific external Big Data sources and conventional transactional data. The model and techniques presented in this paper can be used by organizations to formalize the associations between external Big Data elements in their environment and their accounting information artifacts, to build architectures that extract information from external Big Data sources for use in an accounting context, and to leverage the power of analytics for more effective decision making.

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Kolobanova, M. S., S. M. Klyushin, V. K. Kozlov, and T. N. Prokopenko. "COMPREHENSIVE APPROACH TO MODELING AND CONSTRUCTION OF FUNCTIONAL DEVICES BASED ON SPACEWIRE CONTROLLERS AND SPACEFIBRE CONTROLLERS OF MULTICOR SERIES." Issues of radio electronics, no. 8 (August 20, 2018): 124–32. http://dx.doi.org/10.21778/2218-5453-2018-8-124-132.

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Proposed is an effective integrated approach to the modelling of functional units (FU), on-board computers and embedded systems at the hardware development phase. It is applicable to enterprises with a complete production cycle of industrial systems, including on-board control and information processing devices, space and aeronautical systems and others. In the traditional approach, the driver and on-board software (BPO) are debugged and verified after the manufacture of the product or computer, which significantly increases the lead time for the finished product. The complex approach to modeling the hardware at the transaction level [1] using the SystemC library [2], encapsulating the work with the driver with SpaceWire and SpaceFibre controllers allows to speed up the development of FU and computers, as well as to detect a number of errors and limitations of the system being designed.

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Kozaczynski, Wojtek, and Norman Wilde. "On the re-engineering of transaction systems." Journal of Software Maintenance: Research and Practice 4, no. 3 (September 1992): 143–62. http://dx.doi.org/10.1002/smr.4360040304.

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Saba, Farhad. "Concepts: Integrated telecommunications systems and instructional transaction." American Journal of Distance Education 2, no. 3 (January 1988): 17–24. http://dx.doi.org/10.1080/08923648809526632.

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Xie, Yi-Yang, Xiu-Bo Chen, and Yi-Xian Yang. "A New Lattice-Based Blind Ring Signature for Completely Anonymous Blockchain Transaction Systems." Security and Communication Networks 2022 (September 1, 2022): 1–12. http://dx.doi.org/10.1155/2022/4052029.

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Blockchain technology has been widely applied in numerous industries with its decentralization, verifiability, distributivity, and immutability. However, the identity privacy security of blockchain users is facing serious threats because of the openness of traditional blockchain transaction information. Moreover, numerous traditional cryptographic algorithms used by blockchain transaction networks are difficult to attack quantum computing. In this paper, we propose a new lattice-based blind ring signature scheme in allusion to completely anonymous blockchain transaction systems. There into, the blind ring signature can implement the complete anonymity of user identity privacy in blockchain transactions. Meanwhile, lattice cryptography can availably resist quantum computing attacks. Firstly, the proposed signature scheme has strong computational security based on the small integer solution (SIS) problem and a high sampling success rate by utilizing the techniques of rejection sampling from bimodal Gaussian distribution. Secondly, the proposed signature scheme can satisfy the correctness and security under the random oracle model, including anonymity, blindness, and one-more unforgeability. Thirdly, we construct a blockchain transaction system based on the proposed blind ring signature algorithm, which realizes the completely anonymous and antiquantum computing security of the blockchain users’ identity privacy. Finally, the performance evaluation results show that our proposed blind ring signature scheme has lower latency, smaller key size, and signature size than other similar schemes.

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Suardana, Ida Bagus Raka, Luh Kadek Budi Martini, Nyoman Sri Subawa, and Made Setini. "Quality factors in technology system capability decision interest in transactions using mobile banking." International Journal of Data and Network Science 6, no. 1 (2022): 1–8. http://dx.doi.org/10.5267/j.ijdns.2021.11.003.

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The purpose of this study was to determine the effect of ease of use, transaction success rate, and technological system capability on trust and to determine the effect of ease of use, transaction success rate, technology system capability and interest in transaction using mobile banking. This research was conducted at PT Bank NIAGA which is located in Denpasar. The data collection technique used a questionnaire to 160 PT Bank NIAGA customers who were selected as samples. Data were analyzed by Structural Equation Modeling (SEM) with AMOS program. Ease of use, transaction success rate, and technology system capability have a positive and significant influence on trust and interest in transacting using mobile banking. This means that the better the ease of use, the success rate of transactions, and the capability of the technology system, the higher the customer trust and interest in transactions using mobile banking.

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Irawan, Yuda. "Sistem Informasi Pengadaan Peralatan dan Perlengkapan Kantor pada Dinas Kehutanan Propinsi Riau Berbasis Web." JTIM : Jurnal Teknologi Informasi dan Multimedia 1, no. 1 (May 14, 2019): 45–48. http://dx.doi.org/10.35746/jtim.v1i1.13.

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In the development of increasingly advanced and sophisticated technology, tools are needed that help facilitate a job, one of which is a computer. Computers are the main choice in the progress of agencies in general because an agency aims to maximize agencies can grow and develop as expected. Designing Procurement Information Systems for Web-Based Office Equipment and Supplies is to provide complete information about Procurement of Office Equipment, Procurement Information Systems Equipment and Office Supplies at Riau Province Forestry Services Using PHP and MySQL database is a software that can be used to process equipment data office where transaction reports for ATK request transactions, ATK stock reduction can be known every day automatically if all transactions have been sent to the system. Thus work from the Finance and Equipment Section can be helped and will make time effective

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Alqahtani, Mohammed, and Aad van Moorsel. "Risk Assessment Methodology For EMV Financial Transaction Systems." Electronic Notes in Theoretical Computer Science 340 (October 2018): 137–50. http://dx.doi.org/10.1016/j.entcs.2018.09.010.

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Chen, Lei, and Yanbin Tu. "Enhancing Online Auction Transaction Likelihood." International Journal of E-Business Research 15, no. 2 (April 2019): 116–32. http://dx.doi.org/10.4018/ijebr.2019040107.

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This article compares four data mining models (discriminant analysis, logistic regression, decision tree, and multilayer neural networks) for online auction transaction predictions. It aims to choose the best model in terms of prediction accuracy and to identify determinants significant for auction transactions. By using datasets from eBay, the authors find that the best data mining model for auction transactions is multilayer neural networks. Logistic regression and decision tree models can be used to identify determinants significant for auction transaction such as seller's feedback profile, listing picture, listing files size, return policies, and others. By adjusting these listing options, sellers could increase the auction transaction likelihood. This study will help sellers improve their auction listings by constructing effective selling strategies so that they can enhance the likelihood of online auction transactions. All these efforts will help improve their online auction performances and finally lead to a more efficient electronic marketplace.

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Kang, I. E., and T. F. Keefe. "Reliable Nested Transaction Processing for Multidatabase Systems." Integrated Computer-Aided Engineering 2, no. 1 (January 1, 1995): 49–67. http://dx.doi.org/10.3233/ica-1995-2105.

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Domb, M. A. "Transaction independence: The road to cooperative systems." Mathematical and Computer Modelling 29, no. 1 (January 1999): 1–31. http://dx.doi.org/10.1016/s0895-7177(98)00176-9.

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Suomi, R. "Removing transaction costs with interorganizational information systems." Information and Software Technology 33, no. 3 (April 1991): 205–11. http://dx.doi.org/10.1016/0950-5849(91)90135-x.

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Coronado, Jose Jaime Arana, Jos Bijman, Onno Omta, and Alfons Oude Lansink. "Relationship characteristics and performance in fresh produce supply chains: the case of the Mexican avocado industry." Journal on Chain and Network Science 10, no. 1 (January 1, 2010): 1–15. http://dx.doi.org/10.3920/jcns2010.x101.

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Inter-organisational relations research has shown that relationship characteristics can influence performance in seller-buyer transactions. Using a transaction cost economics approach, this research shows that relational elements such as expectation of continuity reduce the transaction risks related to behavioural uncertainty or asset specificity. However, transaction costs are not only caused by transaction risks but also by the need to coordinate the individual activities of the buyer and the seller. Inter-organisational coordination is important in transactions with perishable products and products with credence attributes, such as in fresh produce supply chains. To study the impact of different relationship characteristics on the efficiency of transactions in a fresh produce supply chain, we collected and analyzed data from 122 avocado producers in Mexico. We found that information exchange and producer expectation of continuity of the relationship positively affect performance in the seller-buyer transaction. While expectation of continuity leads to lower transaction costs associated with behavioural uncertainty, information exchange facilitates the efficient alignment of interdependent activities.

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Sianturi, Fricles Ariwisanto. "ANALISA PENGARUH LOG TRANSAKSI PADA SISTEM KOMPUTER MENGGUNAKAN ALGORITMA RECOVERY BERBASIS LOG." Journal Of Computer Networks, Architecture and High Performance Computing 1, no. 1 (December 18, 2018): 6–9. http://dx.doi.org/10.47709/cnapc.v1i1.2.

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This study aims to melakukakan analysis of the effect of the transaction log on a computer based system either on a single system tired, and two tiered through simulated transactions bank system with technology client / server to get a log of transactions on the database system Microsoft Windows SQL Server 2008 R2 management studio a data base. Methods or algorithms are used to analyze the transaction log on the system used is a log-based recovery algorithm.The results based on the analysis, showed that the use of query local database and query the database using sotere procedure to get the transaction log for troubleshooting transactions on the database system via a user interface is built to help job database administrator (DBA), much more good compared with conventional systems. Based on the experiments that the log of transactions to be controlled, in-undo, Re-do, or Rolled-Back, even deleted if no longer required automatically to maintain the scalability of computer users in the future, by setting the growth of a standard database from 10% to > 32%, and the establishment of a maintenance schedule to ensure that the reserve database is always available and up to date.

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Chen, Runyu, Lunwen Wang, Chuang Peng, and Rangang Zhu. "An Effective Sharding Consensus Algorithm for Blockchain Systems." Electronics 11, no. 16 (August 19, 2022): 2597. http://dx.doi.org/10.3390/electronics11162597.

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Sharding is the widely used approach to the trilemma of simultaneously achieving decentralization, security, and scalability in traditional blockchain systems. However, existing schemes generally involve problems such as uneven shard arithmetic power and insecure cross-shard transaction processing. In this study, we used the Practical Byzantine Fault Tolerance (PBFT) as the intra-shard consensus and, here, we propose a new sharding consensus mechanism. Firstly, we combined a jump consistent hash algorithm with signature Anchorhash to minimize the mapping of the node assignment. Then, we improved the process of the cross-shard transaction and used the activity of nodes participating in intra-shard transactions as the criterion for the shard reconfiguration, which ensured the security of the blockchain system. Meanwhile, we analyzed the motivation mechanism from two perspectives. Finally, through theoretical analysis and related experiments, we not only verified that the algorithm can ensure the security of the entire system, but also further clarified the necessary conditions to ensure the effectiveness of the shards and the system on the original basis.

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Sriratanaviriyakul, Narumon, Mathews Nkhoma, and Hiep Pham. "Osaka Flower Coffee Shop: Transaction Processing Systems." Journal of Information Technology Education: Discussion Cases 2 (2013): 08. http://dx.doi.org/10.28945/1879.

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Johannsen, Wolfgang. "Transaction models for federative distributed database systems." Future Generation Computer Systems 7, no. 2-3 (April 1992): 329–37. http://dx.doi.org/10.1016/0167-739x(92)90020-c.

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Wang, Yan, Jixin Li, Wansheng Liu, and Aiping Tan. "Efficient Concurrent Execution of Smart Contracts in Blockchain Sharding." Security and Communication Networks 2021 (February 18, 2021): 1–15. http://dx.doi.org/10.1155/2021/6688168.

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Throughput performance is a critical issue in blockchain technology, especially in blockchain sharding systems. Although sharding proposals can improve transaction throughput by parallel processing, the essence of each shard is still a small blockchain. Using serial execution of smart contract transactions, performance has not significantly improved, and there is still room for improvement. A smart contract concurrent execution strategy based on concurrency degree optimization is proposed for performance optimization within a single shard. This strategy is applied to each shard. First, it characterizes the conflicting contract feature information by executing a smart contract, analyzing the factors that affect the concurrent execution of the smart contracts, and clustering the contract transaction. Second, in shards with high transaction frequency, considering the execution time, conflict rate, and available resources of contract transactions, finding a serializable schedule of contract transactions by redundant computation and a Variable Shadow Speculative Concurrency Control (SCC-VS) algorithm for smart contract scheduling is proposed. Finally, experimental results show that the strategy increases the concurrency of smart contract execution by 39% on average and the transaction throughput of the whole system by 21% on average.

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Lim, J. B., and A. R. Hurson. "Transaction processing in mobile, heterogeneous database systems." IEEE Transactions on Knowledge and Data Engineering 14, no. 6 (November 2002): 1330–46. http://dx.doi.org/10.1109/tkde.2002.1047771.

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Tu, M., P. Li, L. Xiao, I. L. Yen, and F. B. Bastani. "Replica placement algorithms for mobile transaction systems." IEEE Transactions on Knowledge and Data Engineering 18, no. 7 (July 2006): 954–70. http://dx.doi.org/10.1109/tkde.2006.114.

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Henglein, Fritz, Ken Friis Larsen, Jakob Grue Simonsen, and Christian Stefansen. "POETS: Process-oriented event-driven transaction systems." Journal of Logic and Algebraic Programming 78, no. 5 (May 2009): 381–401. http://dx.doi.org/10.1016/j.jlap.2008.08.007.

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Helmstetter, C., F. Maraninchi, and L. Maillet-Contoz. "Full simulation coverage for SystemC transaction-level models of systems-on-a-chip." Formal Methods in System Design 35, no. 2 (June 9, 2009): 152–89. http://dx.doi.org/10.1007/s10703-009-0075-z.

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Yu, Z., Y. Zuo, and W. C. Xiong. "Concurrency Bug Avoiding Based on Optimized Software Transactional Memory." Scientific Programming 2019 (February 3, 2019): 1–19. http://dx.doi.org/10.1155/2019/9404323.

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Software transactional memory is an effective mechanism to avoid concurrency bugs in multithreaded programs. However, two problems hinder the adoption of such traditional systems in the wild world: high human cost for equipping programs with transaction functionality and low compatibility with I/O calls and conditional variables. This paper presents Convoider to solve these problems. By intercepting interthread operations and designating code among them as transactions in each thread, Convoider automatically transactionalizes target programs without any source code modification and recompiling. By saving/restoring stack frames and CPU registers on beginning/aborting a transaction, Convoider makes execution flow revocable. By turning threads into processes, leveraging virtual memory protection and customizing memory allocation/deallocation, Convoider makes memory manipulations revocable. By maintaining virtual file systems and redirecting I/O operations onto them, Convoider makes I/O effects revocable. By converting lock/unlock operations to no-ops, customizing signal/wait operations on condition variables, and committing memory changes transactionally, Convoider makes deadlocks, data races, and atomicity violations impossible. Experimental results show that Convoider succeeds in transparently transactionalizing twelve real-world applications with averagely incurring only 28% runtime overhead and perfectly avoid 94% of thirty-one concurrency bugs used in our experiments. This study can help efficiently transactionalize legacy multithreaded applications and effectively improve the runtime reliability of them.

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Jiang, Yi, Xu Liu, and Jun Dai. "A Novel Pricing Mechanism for User Coalition in Blockchain." Wireless Communications and Mobile Computing 2020 (November 28, 2020): 1–12. http://dx.doi.org/10.1155/2020/8885179.

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As the blockchain platform is widely used as a new trading way, both participants and transaction volume in the blockchain projects have been growing by leaps and bounds. The generic mechanisms of ranking transaction priorities are heavily dependent on the transaction fees the users append into each transaction; then, all transactions are ranked in the nonincreasing order according to the transaction fee amounts, and the selected transactions will be packed into a new created block in order based on the ranking results. However, more complex influence factors more than transaction fees on transaction priority ranking results are not taken into consideration in the generic transaction priority ranking mechanisms, and a single user is the objective to create transactions in these mechanisms. In order to optimize the generic transaction priority ranking mechanisms and enrich transaction creation modes, a novel user-coalition-based transaction pricing mechanism (UCTPM) is proposed, and the user coalition quality score, user coalition contribution degree, and the transaction type demand degree are formulated and introduced into the UCTPM mechanism. Our research findings indicate that the UCTPM mechanism satisfies the economic attributes of budget balanced, individual rationality, and incentive compatibility when the user coalition contribution degree increases through theoretical proof and experimental analysis. Moreover, the UCTPM mechanism allows all the transactions to be processed more efficiently by experimental analysis.

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Bodorik, P. "Multi-View Memory Support to Operating Systems in Locking for Transaction and Database Systems." Computer Journal 41, no. 2 (February 1, 1998): 84–97. http://dx.doi.org/10.1093/comjnl/41.2.84.

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Xu, De, and Qing Yang. "The Systems Approach and Design Path of Electronic Bidding Systems Based on Blockchain Technology." Electronics 11, no. 21 (October 28, 2022): 3501. http://dx.doi.org/10.3390/electronics11213501.

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The electronic tendering and bidding system has realized the digitalization, networking, and high integration of the whole process of tendering, bidding, bid evaluation, and contract, which has a wide range of applications. However, the trust degree, cooperation, and transaction efficiency of the parties involved in electronic bidding are low, and bidding fraud and collusion are forbidden repeatedly. Blockchain technology has the characteristics of decentralization, transparent transactions, traceability, non-tampering and forgery detection, and data security. This paper proposes a design path of an electronic bidding system based on blockchain technology, which aims to solve the efficiency, trust, and security of the electronic trading process. By building the underlying architecture platform of blockchain and embedding the business process of electronic bidding, this realizes the transparency, openness, and traceability during the whole process of electronic bidding. This paper uses qualitative and quantitative methods to prove the effectiveness of the system.

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Sidiq, Muhammad Iqbal, and Darius Antoni. "Mengidentifikasi Kebutuhan Sistem Penerimaan Mahasiswa Baru Dalam Penerapan Blockchain Pada Universitas Bina Darma Palembang." Jurnal Pengembangan Sistem Informasi dan Informatika 2, no. 1 (November 23, 2021): 43–57. http://dx.doi.org/10.47747/jpsii.v2i1.545.

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The development of an era that is increasingly sophisticated makes us have to keep up with the times, especially since we will enter the era of the industrial revolution 4.0, where almost all activities use technological systems that help and facilitate people in everyday life. Likewise with an educational institution that must keep up with the current developments. There are so many technological systems that have emerged today and one of the systems is Blockchain. Blockchain is a technology system for recording digital transaction data that is connected through cryptography managed by a group of computers, Blockchain is very helpful because transactions are made easier because they no longer require intermediaries. Looking at the Blockchain itself, it feels quite right to be applied on campus, because one of the advantages of Blockchain is that it is transparent, where every data transaction is carried out without the intervention of others without third parties, this technology is easy to cost, low cost and fast transactions.

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Ilk, Noyan, Guangzhi Shang, Shaokun Fan, and J. Leon Zhao. "Stability of Transaction Fees in Bitcoin: A Supply and Demand Perspective." MIS Quarterly 45, no. 2 (June 1, 2021): 563–692. http://dx.doi.org/10.25300/misq/2021/15718.

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Cryptocurrencies such as Bitcoin are breakthrough financial technologies that promise to revolutionize the digital economy. Unfortunately, their long-term adoption in the business world is imperiled by a lack of stability that manifests as dramatic swings in transaction fees and severe participant dissatisfaction. To date, there has been little academic effort to study how system participants react to volatility in fee movements. Our study addresses this research gap by conceptualizing the Bitcoin platform as a data space market and studying how market equilibrium forms between users who demand data space while trying to avoid transaction delays, and miners who supply data space while trying to maximize fee revenues. Our empirical analysis based on past bitcoin transactions reveals the existence of a relatively flat downward-sloping demand curve and a much steeper upward-sloping supply curve. Regarding users, the inelastic nature of demand signals the utility of Bitcoin as a niche platform for transactions that are otherwise difficult to conduct. This result challenges the belief that users may easily abandon Bitcoin technology given rising transaction costs. We also find that the use of bitcoins as a trading asset is associated with higher levels of tolerance to fees. Regarding miners, the comparatively elastic nature of supply indicates that higher fees stimulate mining by a larger magnitude than suppressing demand. This finding implies that, ceteris paribus, the Bitcoin system turns to self-regulate transaction fees in an efficient manner. Our work has implications for the management of congestion in blockchain-based systems and more broadly for the stability of cryptocurrency markets.

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Li, Rong, Shangping Wang, and Na Xie. "A Novel Epoch-Based Transaction Consistency Sorting Protocol for DAG Distributed Ledger." Security and Communication Networks 2022 (December 8, 2022): 1–13. http://dx.doi.org/10.1155/2022/3930858.

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Because of the characteristics of decentralization, immutability, and transparency, blockchain has gradually become a new and revolutionary technology, which has far-reaching significance for the development of modern technology. However, the traditional Bitcoin blockchain that supports synchronous consensus suffers from the fatal flaw of low throughput. To improve throughput, a number of DAG distributed ledgers have been proposed that support asynchronous consensus, all of which allow multiple nodes to process concurrent transactions asynchronously. However, most DAG distributed ledgers do not implement consistent sorting of transactions, making it difficult to deploy smart contracts. To overcome this problem, in this paper, an epoch-based transaction consistency sorting protocol for DAG distributed ledger is proposed, which not only provides the possibility for the deployment of smart contracts but also can be used to resolve conflicting transactions in the ledger. Transaction consistency sorting protocol provides a more reasonably ordered list of all transactions by taking scalars, such as the set of their own past and future, parent block, and timestamp. In addition, through theoretical analysis, the stability and rationality of the transaction consistency sorting protocol are proved, and there is no Condorcet cycle. Finally, the simulation results demonstrate the protocol is efficient and achieve a throughput of at least 2000 transactions per second.

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GREFEN, PAUL, and JOCHEM VONK. "A TAXONOMY OF TRANSACTIONAL WORKFLOW SUPPORT." International Journal of Cooperative Information Systems 15, no. 01 (March 2006): 87–118. http://dx.doi.org/10.1142/s021884300600130x.

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Structured business processes are the veins of complex business organizations. Workflows have generally been accepted as a means to model and support these processes, be they interactive or completely automated. The fact that these processes require robustness and clear semantics has generally been observed and has led to the combination of workflow and transaction concepts. Many variations on this combination exist, leading to many approaches to transactional workflow support. No clear classification of these approaches has been developed, however, resulting in a badly understood field. To deal with this problem, we describe a clear taxonomy of transactional workflow models in this paper, based on the relation between workflow and transaction concepts. We show that the classes in the taxonomy can be directly related to specification language and architecture types for workflow and transaction management systems. We compare the various classes with respect to their characteristics and place existing approaches in the taxonomy. We cover both "traditional" workflow approaches and more recent web-based approaches, including inter-organizational workflow approaches. Together, this paper offers a well-structured and concise analysis of the field of transactional business process support.

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Journal articles on the topic 'Transaction systems (Computer systems)'

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