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PMEMgreSQL: Embracing PostgreSQL with Persistent Memory 8th

PMEMgreSQL: Embracing PostgreSQL with Persistent Memory

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8th international Joint conference on Web and Big Data and Web-Age Information Management (APWeb-WAIM)

作者： Sun, Xinyuan Shi, Ji Han, Yinjun Chen, Zhenghua Nanjing Zhongxing New Software Co Ltd Nanjing Peoples R China

ISBN: (纸本)9789819772438;9789819772445

Persistent memory (PMem) is a transformative technology that holds the potential to significantly enhance the performance of database systems like PostgreSQL (PG). the emerging persistent memory is promising for boosting database performance because of its byte-addressable persistence with high bandwidth and low latency. However, the integration of PMem with databases is not without its challenges, particularly when considering concurrent processing and Non-Uniform Memory Access (NUMA) architectures. We encounter two unique issues which significantly affect system performance when integrating PMem into PG. Firstly, unrestricted concurrent access to PMem can lead to bandwidth degradation, which negatively impacts overall system performance. Secondly, when data is accessed across different NUMA nodes, performance can suffer due to increased latency. In this case, we propose PMEMgreSQL, embracing PG with persistent memory while solving the two issues above effectively. We first design a PMem-aware parallelism control mechanism which keeps processes accessing PMem in a queued and controlled manner. this approach involves careful scheduling of read and write operations to PMem, preventing the processes from menacing the memory bandwidth. then we present a cross-NUMA logging interleave strategy which allows parallel logging in PMem devices in different NUMA nodes. this strategy ensures that the logging operation is distributed efficiently, reducing the performance penalty associated with cross-NUMA memory access.

关键词： Persistent Memory Process Scheduling database System

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A New database of Houma Alliance Book Ancient Handwritten Characters and Its Baseline Algorithm 23

A New Database of Houma Alliance Book Ancient Handwritten Ch...

引用

8th international conference on Multimedia Systems and Signal Processing, ICMSSP 2023

作者： Yuan, Xiaoyu Zhang, Zhibo Sun, Yabo Xue, Zekai Shao, Xiuyan Huang, Xiaohua School of Computer Engineering Nanjing Institute of Techology Nanjing China School of Economics and Management Southeast University Nanjing China Jiangsu Province Engineering Research Center of IntelliSense Technology and System Nanjing Jiangsu China

ISBN: (纸本)9798400700606

the Houma Alliance Book is one of the national treasures of the Museum in Shanxi Museum Town in China. It has great historical significance in researching ancient history. To date, the research on the Houma Alliance Book has been staying in the identification of paper documents, which is inefficient to identify and difficult to display, study and publicize. therefore, the digitization of the recognized ancient characters of Houma League can effectively improve the efficiency of recognizing ancient characters and provide more reliable technical support and text data. this paper proposes a new database of Houma Alliance Book ancient handwritten characters and a multi-modal fusion method to recognize ancient handwritten characters. In the database, 297 classes and 3,547 samples of Houma Alliance ancient handwritten characters are collected from the original book collection and by human imitative writing. Furthermore, the decision-level classifier fusion strategy is applied to fuse three well-known deep neural network architectures for ancient handwritten character recognition. Experiments are performed on our new database. the experimental results first provide the baseline result of the new database to the research community and then demonstrate the efficiency of our proposed method. © 2023 ACM.

关键词： database systems

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ASSESSMENT OF thE POSSIBILITY OF extending thE INTERVALS BETWEEN ENGINE OIL CHANGES ON BIOGAS POWERED UNITS 8

ASSESSMENT OF THE POSSIBILITY OF EXTENDING THE INTERVALS BET...

引用

8th international conference on Trends in Agricultural Engineering 2022, TAE 2022

作者： Kaszkowiak, Jerzy Zastempowski, Marcin Hujo, Lubomir Department of Mechanical Engineering Bydgoszcz University of Science and Technology Poland Department of Transport and Handling Slovak University of Agriculture Nitra Slovakia

ISBN: (纸本)9788021332072

Intervals between subsequent oil changes in combustion engines are usually specified in operating hours and for most units an oil change is carried out after this period. the possibility of a controlled extension of the oil service life until the next oil change on the one hand reduces engine operating costs, but on the other hand may have a negative effect on engine lifetime. It is also important to reduce the environmental impact resulting from the reduced consumption of engine oil. Checking the quality of oil may allow you to safely extend oil service life without the risk of reducing an engine lifetime. the article presents the results of a study of selected oil parameters at excessive usage times. It was found that for the engines powered by biogas it is possible to extend the oil change interval by 200 hours. © 2022 TAE 2022 - Proceeding of the 8th international conference on Trends in Agricultural Engineering 2022. All rights reserved.

关键词： Engines

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the Differences and Advantages between Cloud Services and Traditional Services 8

The Differences and Advantages between Cloud Services and Tr...

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8th Annual international conference on Network and Information Systems for Computers, ICNISC 2022

作者： Chang, Hui Nari Group Corporation State Grid Electric Power Research Institute Nanjing211106 China China Realtime Database Co. Ltd. Nanjing210012 China

ISBN: (纸本)9781665453516

In recent years, cloud services in the Internet field has been a hot topic, after several years of explosive technology development and several years of market precipitation, the cloud platform finally achieved universal unification in 2017, and Kubernetes (often referred to as k8s), an open source container cluster management system from Google Cloud Platform, has become the de facto standard in the industry. Google, Amazon, IBM, Microsoft, Alibaba, Tencent, Huawei and a series of well-known Internet manufacturers at home and abroad have built their own cloud services and cloud platforms. this article discusses the differences and advantages of cloud services compared with traditional services. © 2022 IEEE.

关键词： Distributed database systems

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Digital Transformation: Research Technical Solutions to Digitize and Build a database of Quang Nam Place Names 1

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8th international conference on Information System Design and Intelligent Applications, ISDIA 2024

作者： thuy, Phan thi thanh Cuong, Nguyen Ha Huy Faculty of International Studies University of Foreign Language Studies The University of Da Nang Da Nang Viet Nam Software Development Centre The University of Da Nang Da Nang Viet Nam

ISBN: (数字)9789819786664

ISBN: (纸本)9789819786657

In the pursuit of preserving and enriching cultural heritage, this research delves into the domain of digital transformation to investigate and implement technical solutions for the digitization and establishment of a comprehensive database for Quang Nam place names. the primary objective is to create a foundational resource that will serve as the cornerstone for developing a detailed dictionary of Quang Nam place names. Leveraging a multifaceted approach, the research integrates automated data capture, Geographic Information System (GIS) integration, mobile applications, machine learning algorithms, crowdsourced validation, cross-referencing with existing databases, and the implementation of validation protocols. this amalgamation of technical solutions aims to ensure the precision and reliability of the collected data, laying a robust groundwork for an organized and accurate database. the architectural framework embraces a thoughtful combination of Relational database Management Systems (RDBMS), NoSQL databases, cloud-based solutions, data warehousing, in-memory databases, graph databases, security measures, scalability strategies, and backup systems. Furthermore, the integration of GIS into the database architecture is strategically undertaken, incorporating spatial data modeling, GIS database design, coordinate reference systems management, spatial indexing, data interoperability, query optimization, real-time updates, integration with GIS software, and metadata management. the research also emphasizes the development of a user-friendly interface catering to the diverse needs of researchers, linguists, and the general public, ensuring inclusivity and ease of use. Anticipated outcomes include the establishment of a digitized database of Quang Nam place names, poised to serve as a comprehensive resource for future linguistic and cultural research. this project not only contributes to the preservation of cultural heritage but also provides a valuable tool for resea

关键词： Data warehouses

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Offset-value coding in database query processing 26

Offset-value coding in database query processing

引用

26th international conference on extending database technology, EDBT 2023

作者： Graefe, Goetz Do, thanh Google Inc. Celonis Inc.

ISBN: (纸本)9783893180929

Recent work [8] shows how offset-value coding speeds up database query execution, not only sorting but also duplicate removal and grouping (aggregation) in sorted streams, order-preserving exchange (shuffle), merge join, and more. It already saves thousands of CPUs in Google's Napa and F1 Query systems, e.g., in grouping algorithms and in log-structured merge-forests. In order to realize the full benefit of interesting orderings, however, query execution algorithms must not only consume and exploit offset-value codes but also produce offset-value codes for the next operator in the pipeline. Our research has sought ways to produce offset-value codes without comparing successive output rows one-by-one, column-by-column. this short paper introduces a new theorem and, based on its proof and a simple corollary, describes in detail how order-preserving algorithms (from filter to merge join and even shuffle) can compute offset-value codes for their outputs. these computations are surprisingly simple and very efficient. © 2023 Copyright held by the owner/author(s)

关键词： Program processors

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extending the Continuance Intention to Use Mobile Payment of thai Boomers under a New Normal Situation Using UTAUT2 with Inertia Perspective 8

Extending the Continuance Intention to Use Mobile Payment of...

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8th international conference on Information Management, ICIM 2022

作者： Anantasopon, Puttipong Kowatanawinta, Tanat Pinmanee, Saichon Kmitl Business School King Mongkut's Institute of Technology Ladkrabang Sripatum Internaional College Bangkok Thailand

ISBN: (数字)9781665451741

ISBN: (纸本)9781665451741

Mobile payment receives a growing attention in Southeast Asia. It is an innovative financial transaction to facilitate a financial transaction wherever and whenever a mobiledevice is connected to the Internet. Mobile payment through banking apps is a recent technological transaction with lots of benefit. More businesses in essential categories have shifted their service online for the first time, consequently more boomers use mobile payment during COVID-19 pandemic due to lockdown andsocial distancing measurements that affect their lifestyle. this research aims to better understand thai boomers' behavior intention and their continuance intention to use mobile payment during and after the pandemic. this research discusses the extending of UTAUT2 with inertia, and a conceptual framework is proposed for the study. © 2022 IEEE.

关键词： COVID-19

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Study on the Construction of Accounting Degree case Base at Home and Abroad in the Metauniverse era 2023

Study on the Construction of Accounting Degree case Base at ...

引用

8th international conference on Information and Education Innovations, ICIEI 2023

作者： Wang, Chenxuan Kai, Ling Liu, Daoke School of Economics and Management Xiamen University of Technology China

ISBN: (纸本)9798400700613

this paper studies the construction of accounting degree case base at home and abroad in the metauniverse era. Firstly, it analyses the significance of the construction of accounting degree case base. By the end of 2021, the number of master of professional accounting training institutions in China will have increased from 24 to 298. At the same time, it explains the connotation and main technology of meta-universe. Metacosmic technologies include 5G, 6G, cloud computing, edge computing, Internet of things, holographic projection, digital twinning, block chain, VR/AR/MR/XR and other technologies. Secondly, it analyses the development process and characteristics of Chicago case, Harvard case and Ivey case in Canada. the use of Harvard case allows to solve complex management problems compared to Chicago style. the 8-step strategy for case development at Ivey Business School in Canada includes three styles, two parts and seven parts of case writing. In 1998, the case of Ivey Business School Press has been distributed to more than 100 universities and enterprises in 20 countries. this paper analyses the shortcomings of case study courses and case construction of accounting major in China. thirdly, this paper puts forward the enlightenment of foreign case teaching to the training of accounting talents: Based on the experience of case studies in developed countries, pay attention to the difference between accounting case teaching and accounting case teaching;advocate the general idea of "four-dimensional"accounting case development. Finally, the paper constructs the technical framework model of the construction of the case database of accounting professional degree in the meta-universe. the research conclusion shows that, under the background of meta-universe, the case database ecology of accounting professional database is built on the basis of meta-universe equipment and meta-universe underlying technology, to construct the ecological map of the original universe accoun

关键词： database systems

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Economic Operation Optimization of Energy System in Industrial Park Considering the Guidance of Energy Consumption Behavior 8

Economic Operation Optimization of Energy System in Industri...

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8th international conference on Energy System, Electricity, and Power, ESEP 2023

作者： Jiang, MengMeng Qi, Yuliang Zhang, Hui Lin, JunHao Guo, Chunjie Wei, Shanshan Gao, Hui Shandong Inspur Database Technology Co. 1036 Langchao Road Shandong Jinan250101 China State Grid Shandong Integrated Energy Services Co. Ltd. 1 Shengping Street Shandong Jinan250001 China

ISBN: (数字)9781510679801

ISBN: (纸本)9781510679795

Industrial park resources are diverse, with high energy coupling and a variety of energy consumption types, offering significant potential for carbon emission reduction. this paper proposes an economic optimization approach for the energy system in industrial parks, considering energy behavior guidance. Considering the economic operation needs of industrial parks, the study first constructs a integrated energy system(IES) model for a typical industrial park. then, it establishes a Integrated demand response model incorporating price-based demand response, incentive-based demand response, and heat-sensitive demand response. Subsequently, considering equipment operation costs and different types of demand response costs, the economic operational objectives for the park are designed. the Cplex commercial solver is used to solve the model, obtaining the optimal system operation results. Finally, a case study is conducted using the energy system of an industrial park in Shandong Province, demonstrating that the proposed method effectively enhances the economic efficiency of system operation and reduces operational costs. © 2024 SPIE.

关键词： Energy utilization

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Training CSI Feedback Model with Federated Learning in Massive Mimo Systems 8

Training CSI Feedback Model with Federated Learning in Massi...

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8th IEEE international conference on Network Intelligence and Digital Content, IC-NIDC 2023

作者： Du, Zhilin Li, Haozhen Li, Lei Zhang, Boyuan Liu, Zhenyu Gu, Xinyu Shandong Inspur Database Technology Co. Ltd Jinan China School of Artificial Intelligence Beijing University of Posts and Telecommunications Beijing100876 China Purple Mountain Laboratories Nanjing211111 China

ISBN: (纸本)9798350317923

the basic centralized learning method in Deep learning-based downlink channel state information (CSI) feedback requires a large dataset that needs to be collected either in advance with huge time and workforce costs or by distributed user equipment (UE) through wireless communication links producing huge communication overhead. Federated learning (FL)-based training can reduce the burden of CSI data collection, but the requirement of iterative model information transmission over wireless channels still leads to high communication overhead. To overcome this communication bottleneck, we develop a novel communication-efficient FL algorithm named FedDec, which only needs the local decoders to participate in model aggregation and allows each UE to upload only part of the decoder parameters by a client grouping method. Simulation results support the effectiveness of FL in CSI feedback and illustrate that FedDec can reduce the communication overhead by more than 50% compared with the widely-accepted FL algorithms, which require all model parameters to participate in model aggregation. © 2023 IEEE.

关键词： MIMO systems

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