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20th IASTED International Conference on Applied simulation and Modelling, ASM 2012

作者： Ren, Tingguang Wei, Jicai Jiang, Jiali Tang, Lijian Lv, Shaoqing Beijing Institute of System Engineer Science and Technology on Complex Systems Simulation Laboratory Post Box.9702 19 Beijing 100101 China

ISBN: (纸本)9780889869257

Through analyzing the theoretical basis and approach features of system-of-systems and cloud computing technology, the designing infrastructure and application flow of the meta-synthetic environment for equipment system-of-systems demonstration have been given with a combination of construction and application requirements of equipment system-of-systems centered on information. When designing the meta-synthetic environment for equipment system-of-systems demonstration, we adopted the way of Service Oriented Architecture (SOA), and put forward a model registration mechanism. By establishing the model registration principle, we designed and generated the model registration system, realized the model registration and management of the meta-synthetic environment to solve the quantification and evaluation issue and realized Design on Demand and Service on Demand of evaluation of the equipment system-of-systems demonstration meta-synthetic environment.

关键词： Demonstrations

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The design and realization of comprehensive evaluation in the meta-synthetic integrated environment of stratagem research

The design and realization of comprehensive evaluation in th...

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5th International Conference on Applied Mathematics, simulation, Modelling, ASM'11

作者： Chu, Juntian Wei, Ji-Cai Cui, Hao Lv, Shao-Qing Zhao, Wei Dong, Jie Beijing Institute of System Engineer Science and Technology Complex Systems Simulation Laboratory Post Box.9702#19 Beijing 100101 China

ISBN: (纸本)9781618040169

When conducting researches upon stratagem problems under the meta-synthetic integrated environment of stratagem research (SR) with the combination of qualitative and quantitative methods, we have designed comprehensive evaluation service which takes the argumentation and evaluation procedure as its framework and establishes an analytical model for evaluation based on an evaluation index system to do data acquisition and mining among various evaluation resources, all of which helps realize the practical purpose of providing auxiliary information for quantitative decision making in the stratagem researches.

关键词： Data acquisition

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Discovering API Directives from API Specifications with Text Classification

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Journal of Computer science & technology 2021年第4期36卷 922-943页

作者： Jing-Xuan Zhang Chuan-Qi Tao Zhi-Qiu Huang Xin Chen College of Compute Science and Technology Nanjing University of Aeronautics and AstronauticsNanjing 210016China Key Laboratory of Safety-Critical Software(Nanjing University of Aeronautics and Astronautics) Ministry of Industry and Information TechnologyNanjing 210016China Key Laboratory of Complex Systems Modeling and Simulation(Hangzhou Dianzi University) Ministry of Education Hangzhou 310018China School of Computer Science and Technology Hangzhou Dianzi UniversityHangzhou 310018China

Application programming interface(API)libraries are extensively used by *** correctly program with APIs and avoid bugs,developers shall pay attention to API directives,which illustrate the constraints of ***,API directives usually have diverse morphologies,making it time-consuming and error-prone for developers to discover all the relevant API *** this paper,we propose an approach leveraging text classification to discover API directives from API ***,given a set of training sentences in API specifications,our approach first characterizes each sentence by three groups of ***,to deal with the unequal distribution between API directives and non-directives,our approach employs an under-sampling strategy to split the imbalanced training set into several subsets and trains several *** a new sentence in an API specification,our approach synthesizes the trained classifiers to predict whether it is an API *** have evaluated our approach over a publicly available annotated API directive *** experimental results reveal that our approach achieves an F-measure value of up to 82.08%.In addition,our approach statistically outperforms the state-of-the-art approach by up to 29.67%in terms of F-measure.

关键词： Application programming interface(API)directive API specification imbalanced learning text classification

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System-of-systems planning method based on Markowitz model

System-of-systems planning method based on Markowitz model

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20th IASTED International Conference on Applied simulation and Modelling, ASM 2012

作者： Wei, Jicai Ren, Tingguang Jiang, Jiali Zhao, Wei Cui, Hao Li, Junmei Beijing Institute of System Engineer Science and Technology on Complex Systems Simulation Laboratory Post Box.9702 19 Beijing 100101 China

ISBN: (纸本)9780889869257

In order to resolve the problems resulting from various combinations of equipment selection, numerous uncertainties of future demands and the development process, a planning method based on the Markowitz model is proposed. First a qualitative analysis is performed and models of a combination planning method are produced, then a Markowitz model of the development plan of system-of-systems under uncertainty is built and solved by adopting a searching algorithm based on vector operation. Finally the effectiveness of the method is checked by scouting the development planning examples of the early warning surveillance system.

关键词： System of systems

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The design and realization of data accessing service in the meta-synthetic integrated environment of stratagem research

The design and realization of data accessing service in the ...

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5th International Conference on Applied Mathematics, simulation, Modelling, ASM'11

作者： Wei, Jicai Bai, Hanbin Zhao, Wei Ren, Tingguang Li, Junmei Beijing Institute of System Engineer Science and Technology on Complex Systems Simulation Laboratory Post Box.9702#19 Beijing 100101 China

ISBN: (纸本)9781618040169

Data accessing service is designed to meet the needs of searching and utilizing various data in the meta-synthetic integrated environment of stratagem research (SR) and meanwhile data fuzzy mining engine is supposed to refine the collected data to make them useful for the stratagem research. Also, for accessing and utilizing database, data accessing API is designed, which provides a uniform interface for all data accessing requests and with mapping function gets all data address and accessing transparent.

关键词： Application programming interfaces (API)

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Analysis of Zero-Day Virus Suppression Strategy based on Moving Target Defense

Analysis of Zero-Day Virus Suppression Strategy based on Mov...

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2021 IEEE International Conference on Signal Processing, Communications and Computing, ICSPCC 2021

作者： Mingyang, Qiu Qingwei, Meng Yan, Fu Xikang, Wang Information and Navigation College Air Force Engineering University Xi'an China Science and Technology on Complex Aviation Systems Simulation Laboratory Beijing China

ISBN: (纸本)9781665429184

In order to suppress the spread of zero-day virus in the network effectively, a zero-day virus suppression strategy was proposed. Based on the mechanism of zero-day virus transmission and the idea of platform dynamic defense, the corresponding methods of virus transmission suppression are put forward. By changing the platform switching frequency, the scale of zero-day virus transmission and its inhibition effect are simulated in a small-world network model. Theory and computer simulation results show that the idea of platform switching can effectively restrain the spread of virus. © 2021 IEEE.

关键词： simulation platform

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An Anomaly Detection Method Based on Adaptive Log and Dual Feature Fusion Analysis for Distributed systems 11

An Anomaly Detection Method Based on Adaptive Log and Dual F...

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11th International Conference on Information systems and Computing technology, ISCTech 2023

作者： Jia, Yijiang Li, Kefei Lu, Ping Xie, Baodi Wang, Huayang Chen, Jincai Huazhong University of Science and Technology School of Computer Science and Technology Wuhan China Huazhong University of Science and Technology Wuhan National Laboratory for Optoelectronics Wuhan China National Key Laboratory of Modeling and Simulation for Complex Systems Beijing China

ISBN: (纸本)9798350342406

In this study, we present a middleware-based approach for detecting anomalies in distributed systems. Our method facilitates the dynamic collection of logs at various levels of detail and incorporates an a priori dictionary-based compression strategy to process and transmit logs, minimizing the performance impact on distributed systems. Additionally, we utilize a dual feature fusion technique to analyze the logs. We evaluate the effectiveness of our approach by performing anomaly detection in a publish/subscribe distributed system and comparing it with existing methods. The results illustrate that our method outperforms other approaches, demonstrating superior performance. © 2023 IEEE.

关键词： Anomaly detection

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Numerical simulation of cavitating flow around a slender body with slip boundary condition

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science China(Physics,Mechanics & Astronomy) 2016年第2期59卷 85-90页

作者： Hao Liu DanDan Li YaHui Xue PengYu Lu YiPeng Shi HuiLing Duan State Key Laboratory for Turbulence and Complex Systems Department of Mechanics and Engineering ScienceCollege of Engineering Peking UniversityBeijing 100871China Center for Applied Physics and Technology Key Laboratory of High Energy Density Physics SimulationInertial Fusion Sciences and ApplicationsCollaborative Innovation Center of MoEPeking UniversityBeijing 100871China

In this paper, we perform a numerical simulation of the cavitating flow around an underwater hemispherical-head slender body running at a high speed. For the first time, the slip boundary condition is introduced into this problem, and we find that the slip boundary condition has a big influence on the cavitation in the flow-separation zone. By simulating the cavitating flow under different cavitation numbers, we demonstrate that the slip boundary condition can effectively reduce the intensity of cavitation, as represented by the length of cavitation bubbles. The present paper provides a new method for utilization of new surface materials to control the cavitation on the underwater moving objects.

关键词： cavitating flow slender body slip boundary condition

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Detection of Picric Acid by Terpy-Based Metallo- Supramolecular Fluorescent Coordination Polymers in Aqueous Media

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Chinese Journal of Chemistry 2017年第4期35卷 447-456页

作者： Zhongyu Ding Hongqing Li Wanqing Gao Yiquan Zhang Chunhua Liu Yuanyuan Zhu School of Chemistry and Chemical Engineering Hefei University of Technology and Anhui Key Laboratory of Advanced Functional Materials and Devices Hefei Anhui 230009 China Jiangsu Provincial Key Laboratory for Numerical Simulation of Large Scale Complex Systems (NSLSCS) School of Physical Science and Technology Nanjing Normal University Nanjing Jiangsu 210023 China

The synthesis of two linear terpy-based metallo-supramolecular fluorescent coordination polymers through 1 ： 1 complexation of Zn^2＋ and Cd^2＋ ions with ditopic terpyridine ligand was reported. The dispersibility of P1 and P2 was significantly improved in organic solvent and water through the introduction of hydrophilic oligo-ethyoxy side chain. Two polymers displayed yellow light emission both in solution and the solid state due to the intra-ligand charge transfer （ILCT） between the d^10 metal ions and the conjugated spacer unit. These coordination polymers were explored as fluorescent chemosensors for detecting picric acid in aqueous media, displaying high sensitivity and good selectivity. In addition, test strips were prepared from these polymers and exhibited the practical potential of detecting the NACs pollutants in the outdoor water for public safety and security.

关键词： coordination polymer fluorescent chemosensors nitroaromatic explosives picric acid aqueous media

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An evaluation method for network communication syst em efficiency based on multi-source information fusion

An evaluation method for network communication syst em effic...

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第37届中国控制会议

作者： Cao Yuan Wang Yue-ping Tang Xue-mei Zhao Xiao-fang Science and Technology on Complex Land Systems Simulation Laboratory Beijing Institute of Spacecraft System Engineering

The number of experimental data obtained under different conditions is large, and there are some differences in the distribution characteristics of samples. If a large number of different types of data are mixed and the network communication Effectiveness evaluation is carried out, the characteristics of some samples may be drowned out, on the other hand, the information of many experimental samples is not fully utilized. In order to solve this problem, this paper proposes a method of network communication effectiveness evaluation based on multi-source information fusion. This method firstly analyzes the communication success rate of the cell communication node by longitudinal fusion of experimental information. Based on this, the confidence degree is used to construct the weighting coefficient, and the whole communication success rate of the network information system is evaluated by the experiment information of multiple nodes. Thus, the comprehensive evaluation of the communication efficiency of the unit node and the network Information system is realized.

关键词： multi-source information network communication effectiveness evaluation communication success rate

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