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Software Engineering and Computer Science (CSECS), International Conference on

作者： Peng Wang Kaiyuan Qi Dept. Cloud Computing Research and Development Inspur Group Co. Ltd Jinan Inspur Data Technology Co. Ltd Jinan China

ISBN: (数字)9798331522216

ISBN: (纸本)9798331522223

In recent years, page-table the applications of virtual reality, augmented reality and mixed reality have become more and more popular, all of which are essentially image rendering. Graphics rendering requires a lot of calculations to determine the rendering parameters of each pixel. However, how to reveal the micro-architecture characteristics of GPGPU to help architects increase optimization opportunities and improve the performance of microprocessors becomes imperative. In this article, we propose RenderMiner, a framework which comprehensively characterizes the GPGPU rendering programs at the instruction and memory levels. Specifically, we design instruction mix based on the SASS instruction set, instruction frequency, register reuse distribution and memory call stack to efficiently depict the micro-architecture characteristics of rendering programs and compare with the non-rendering programs. We use RenderMiner to analyze the inherent behaviors of rendering programs combined with machining learning methods through 60 CPU rendering programs, 34 GPU rendering programs, 52 GPU non-rendering programs such as Rodinia and Parboil, and some real-world workloads, such as V-Ray5 Benchmark, Blender, Octane and Kobra Vulkan. After analysis of the rendering programs and comparison with non-rendering programs and the real-world workloads, the key findings of our conclusion are as following: (1) The instruction mix of CPU rendering programs is totally different from that of MiBench, especially at the aspect of arithmetic operation, memory read, memory write and control flow. (2) The instruction-level parallel interval of the CPU rendering program is mainly concentrated from 3 to 6. (3) There is comparable instruction frequency among GPU rendering, Octane, Kobra vulkan and non-rendering programs. (4) The average total instruction count of GPU rendering programs is 355 times more than that of non-rendering programs. (5) The portion of floating point of GPU rendering programs, B

关键词： Time-frequency analysis Graphics processing units Mixed reality Parallel processing Benchmark testing Rendering (computer graphics) Real-time systems Registers Optimization Software engineering

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Robust Networked Control Adopting Prediction-Compensation Mechanism for IoT-Based Building Field-Level Control Concerning Network Uncertainties

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IEEE Internet of Things Journal 2025年第11期12卷 15818-15827页

作者： Li, Xinyue Li, Hangxin Cao, Jiannong Wang, Shengwei The Hong Kong Polytechnic University Dept. of Bldg. Environ. and Ener. Eng. and Research Institute for Sustainable Urban Development Hong Kong Hong Kong The Hong Kong Polytechnic University Department of Building Environment and Energy Engineering Hong Kong Hong Kong The Hong Kong Polytechnic University Department of Computing Hong Kong Hong Kong The Hong Kong Polytechnic University Shenzhen Research Institute Shenzhen China

Internet of Things (IoT) technologies offer great potential benefits to the development of smart buildings. However, the functionalities of IoT applications in buildings, especially those involving time-critical control tasks, are still limited due to the strict real-Time and reliability requirements. These tasks could be easily affected by network uncertainties in the IoT environment. Current optimization methods aimed at mitigating network impacts have limitations in their applications and often overlook the impacts in real engineering cases. This study, therefore, proposes a robust networked control adopting the prediction-compensation mechanism to improve the robustness of building field-level controls implemented in the IoT-enabled building automation system. The control mainly consists of a predictor to estimate the controlled variable, and a compensator to evaluate the uncertainties. To assess the performance and the improvement on control robustness, a typical time-critical building field-level control task is implemented in a networked building field-level control simulation platform, considering network uncertainties. The proposed robust control is adopted for implementing the control task. The results show that the proposed robust networked control is a promising option due to its significant improvement in the control robustness when affected by network constraints, especially in critical conditions of the control process. © 2014 IEEE.

关键词： Networked control systems

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Named Entity Recognition for Serbian Legal Documents: Design, Methodology and Dataset development

arXiv

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arXiv 2025年

作者： Kalušev, Vladimir Brkljač, Branko Visual Computing & Perception Group The Institute for Artificial Intelligence Research and Development of Serbia Novi Sad Serbia Dept. of Power Electronic and Telecommunication Engineering Faculty of Technical Sciences University of Novi Sad Novi Sad Serbia

Recent advancements in the field of natural language processing (NLP) and especially large language models (LLMs) and their numerous applications have brought research attention to design of different document processing tools and enhancements in the process of document archiving, search and retrieval. Domain of official, legal documents is especially interesting due to vast amount of data generated on the daily basis, as well as the significant community of interested practitioners (lawyers, law offices, administrative workers, state institutions and citizens). Providing efficient ways for automation of everyday work involving legal documents is therefore expected to have significant impact in different fields. In this work we present one LLM based solution for Named Entity Recognition (NER) in the case of legal documents written in Serbian language. It leverages on the pre-trained bidirectional encoder representations from transformers (BERT), which had been carefully adapted to the specific task of identifying and classifying specific data points from textual content. Besides novel dataset development for Serbian language (involving public court rulings), presented system design and applied methodology, the paper also discusses achieved performance metrics and their implications for objective assessment of the proposed solution. Performed cross-validation tests on the created manually labeled dataset with mean F1 score of 0.96 and additional results on the examples of intentionally modified text inputs confirm applicability of the proposed system design and robustness of the developed NER *** Codes 68T10, 68T30, 68T35, 68T50, 91F20 © 2025, CC BY.

关键词： Natural language processing systems

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Applied research of single sign on technology in cloud services

Applied research of single sign on technology in cloud servi...

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2nd International Conference on Precision Mechanical Instruments and Measurement Technology, ICPMIMT 2014

作者： Li, Wei Zhu, Yuan Bo Zou, Ming Dept. of Research and Development Beijing Computing Center Beijing 100094 China

ISBN: (纸本)9783038351948

Industrial cloud service platform launched a series of industrial services based on cloud computing for middle and small-sized enterprises. These services include CAD, CAE and other software services utilized on industrial design and manufacturing. Due to integrating various application systems, an efficient authentication technology was urgent required to realize the exchange and sharing of the identity information in the platform. Based on analysis and compare of various mainstream Single Sign-On (SSO) technologies, this paper proposed an SSO solution by using Central Authentication Service (CAS) protocol. Proposed system makes it easy and convenient to deal with login authentication and gain identity information of the whole platform. In addition, proposed system significantly improves the user experience. © (2014) Trans Tech Publications, Switzerland.

关键词： Product design

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Increasing the thermal efficiency of an operational data center using cold aisle containment 7

Increasing the thermal efficiency of an operational data cen...

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2014 7th International Conference on Information and Automation for Sustainability, ICIAfS 2014

作者： Khalaj, Ali Habibi Scherer, Thomas Siriwardana, Jayanfha Halgamuge, Saman Dept. of Mechanical Engineering School of Engineering University of Melbourne Parkville Melbourne Australia Cloud and Computing Infrastructure Dept. IBM Research - Zurich Rüschlikon Switzerland

ISBN: (纸本)9781479945986

Cooling systems play a vital role in the design and operation of Data Centers (DCs), as they consume a considerable amount of energy. Hot air infiltration from the servers' outlets into their inlets, which creates hot spots and flow short-circuiting, is one of the main sources of thermal inefficiency inside air-cooled DCs. This inefficiency increases the total energy consumption of DCs especially when the allocated workload and heat dissipation of the servers are increased. Therefore, efficient thermal management of DCs is considered as one of the main challenges of the DC industry. In order to highlight the importance of this inefficiency, an operational DC has been considered in this study. The thermal behaviour of the DC has been evaluated by conducting a numerical analysis of the flow and temperature fields based on the experimental measurements in a real DC. Numerical simulation highlighted a number of undesirable hot spots near the racks. Cold aisle containment, which is one of the efficient and industrially affordable methods of thermal inefficiency reduction, has been considered. The effectiveness of this method has been evaluated using three non-dimensional metrics known as Supply Heat Index (SHI), Rack Cooling Index (RCI) and the Coefficient of Performance (COP) of the cooling system. In this case study, by applying the proposed method, SHI, RCI and COP of the cooling system have been improved by more than 0.45, 17% and 19.5%, respectively. These results demonstrate the effectiveness of cold aisle containment for energy efficiency enhancement of DCs. © 2014 IEEE.

关键词： Cooling systems

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Virtual appliance store management in cloud service brokerage platform

Virtual appliance store management in cloud service brokerag...

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International Conference on Information and Communication Technology Convergence (ICTC)

作者： Dongjae Kang Hagyoung Kim Seokho Son Cloud Computing Research Dept. ETRI Computer Software Engineering Dept. UST Daejeon Korea Cloud Computing Research Dept. SW Contents Research Lab ETRI Daejeon Korea

To find best-matching cloud, customer should contact many cloud service provider portals. And Consumer's requirements are getting more complex and divers, at the same time, the service configuration are also more complex and needed to be customized for each customer to provide optimal service. To improve upper problems, we defined integration architecture of virtual appliance store and cloud service brokerage platform, and proposed virtual appliance store management method in the platform. This can improve the gaps between various customer's requirement and provider's limited service scope. And it can be used on prompt service deployment on dispersed and heterogeneous cloud service providers to accelerate time to market.

关键词： cloud computing Home appliances Portals Metadata Companies Engines

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Message approach for multiuser mode of a client-server application 3

Message approach for multiuser mode of a client-server appli...

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3rd International Youth Conference on Radio Electronics, Electrical and Power Engineering, REEPE 2021

作者： Komarov, Ivan I. Blazhenova, Svetlana D. Gavrilov, Alexander A. Zein, Ali N. Borisova, Svetlana V. Osipov, Sergey K. National Research University MPEI Center for Innovative Development Dept. of Computing Machines Systems and Networks Moscow Russia National Research University MPEI Dept. of Computing Machines Systems and Networks Dep.of Innovative Technologies for High-Tech Industries Moscow Russia

ISBN: (纸本)9781728183985

usually when working with data rows in a database, it is necessary to differentiate between the work of different users or to restrict data for other users. However, a problem can arise when multiple users need to access the same data simultaneously. For example, an issue may appear when a user tries to delete a data sample while another user tries to edit it. In this case, data integrity will be violated. To solve this problem, it is necessary to provide a multiuser mode of operation of the client-server application for accessing the database. It can be obtained and organized using the transaction and locking mechanism. However, since there are quite a few different database management systems (DBMS), the proposed approach can differ significantly in the implementation process. Consequently, a different solution is proposed, which is similar to the mechanism of transactions and locks but works differently. © 2021 IEEE.

关键词： Database systems

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RMCC: Restful mobile cloud computing framework for exploiting adjacent service-based mobile cloudlets 6

RMCC: Restful mobile cloud computing framework for exploitin...

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2014 6th IEEE International Conference on cloud computing Technology and Science, cloudCom 2014

作者： Abolfazli, Saeid Sanaei, Zohreh Gani, Abdullah Xia, Feng Lin, Wei-Ming Center for Mobile Cloud Computing Research University of Malaya Malaysia School of Software Dalian University of Technology China Dept. Electrical and Computer Engineering University of Texas at San Antonio United States

ISBN: (纸本)9781479940936

Mobile devices, especially smartphones are increasingly gaining ground in several domains, particularly healthcare, tele-monitoring, and education to perform Resource-intensive Mobile Applications (RiMA). However, constrained resources, especially CPU and battery hinder their successful adoption. Mobile cloud computing (MCC) aims to augment computational capabilities of resource-constraint mobile devices and conserve their native resources by remotely performing intensive tasks. In typical MCC solutions, intensive tasks are offloaded to distant VM-based cloud data centers or cloudlets whose exploitation originates long WAN latency and/or virtualization overhead degrading RiMA execution efficiency. In this paper, a lightweight Resource-oriented MCC (RMCC) architecture is proposed that exploits resources of plethora of Adjacent Service-based Mobile cloudlets (ASMobiC) as fine-grained mobile service providers. In RMCC, ASMobiCs host prefabricated Restful services to be asynchronously called by mobile service consumers at runtime. RMCC is a Restful cross-platform architecture functional on major mobile OSs (e.g., Android and iOS) and realizes utilization of the computing resources of off-the-shelve outdated or damaged-yet-functioning mobile devices towards green MCC. Results of benchmarking advocate significant mean time- and energy-saving of 87% and 71.45%, respectively when intensive tasks are executed in ASMobiCs. © 2014 IEEE.

关键词： Mobile cloud computing

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cloud-based virtual desktop service using lightweight network display protocol

Cloud-based virtual desktop service using lightweight networ...

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International Conference on Information Networking

作者： Sunwook Kim Jihyeok Choi Seongwoon Kim Hagyoung Kim Dept. of Cloud Computing Electronic Telecommunication Research Institute Daejeon Republic of Korea

In cloud-based VDI, users can access the virtual desktop service anytime and anywhere with the wide variety of terminals. The lightweight virtual desktop display protocol is required to support more users on the limited resources and to provide service to mobile users. In this paper, we design and implement the virtual desktop system using lightweight virtual desktop display protocol which would reduce the server load and network bandwidth consumption for increasing the number of virtual desktops per server and supporting the mobile users. The experimental results show that the implemented protocol reduces the network bandwidth consumption for virtual desktop transfer by up to 81% than previous protocol without compression and optimization.

关键词： Protocols Bandwidth Servers cloud computing Encoding Virtualization Computer architecture

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Few-shot sketch recognition for plotting system

Few-shot sketch recognition for plotting system

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2021 International Conference on Green Communication, Network, and Internet of Things, GCNIoT 2021

作者： Yuan, Zelin Dept. of Geography Graphics and Image Research and Development North China Institute of Computing Technology No.211 North Fourth Ring Road Beijing100084 China

ISBN: (数字)9781510650473

ISBN: (纸本)9781510650466

Plotting system refers to a software system that can draw a series of vector symbols, typesetting, saving, reading and so on. The traditional plotting system uses key and mouse operation to draw. With the development of electronic equipment touch screen in recent years, the traditional menu selection is not convenient enough, but the way of using hand-painted sketch and recognized by the system is more natural and fast. Traditional image recognition methods need huge amount of data for training, but the vector symbol set in the plotting system is not a common symbol set, so it is difficult to obtain a large amount of data. Therefore, this paper proposes a β-TCVAE-Attention hand-drawn plot recognition method which can obtain better recognition accuracy in the case of small samples. The model first uses the Image dataset to pre-Train βTCVAE, and then uses the small sample data of the plot sketch to input the β-TCVAE encoder to obtain the sketch features. After the sketch features are enhanced with the attention module, they are input into the Softmax classifier based on cosine similarity. The neural network is fine-Tuned according to the classification results of the classifier. Finally, when using network prediction, input the support set and query graph into the network for classification. In this paper, a 20-way-5-shot plotting data set is collected for experiment, and the experiment proves that the model has certain accuracy. © COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.

关键词： Touch screens

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