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5th International Conference on Logistics and Supply Chain Management, LSCM 2015

作者： Zhang, Tao Zhang, Fu-Xing Wang, Rui Zhang, Yan Zhang, Xiao-Yu College of Information System and Management National University of Defense Technology Changsha China State Key Laboratory of High Performance Computing National University of Defense Technology Changsha China

ISBN: (纸本)9781510818071

Energy Internet(EI) as the future solution to the shortage of fossil energy and the worsening environment problem, is becoming the hotspot and the trend of the research. Firstly, the paper expounds the connotation and features of Energy Internet, and put forward the new requirements of the Energy Internet system energy management with four elements, namely the grid structure, consumptive pattern, measuring method and research perspective. Secondly, summarizes the related research at home and abroad of Energy Internet system energy management on the aspect of system structure design, robust modeling of energy management and optimization algorithm design. Finally, the future issue of Energy Internet system energy management research is prospected.

关键词： Energy management

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ESR: Optimizing Gene Feature Selection for scRNA-seq Data 10

ESR: Optimizing Gene Feature Selection for scRNA-seq Data

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10th IEEE International Conference on Cyber Security and Cloud computing and 9th IEEE International Conference on Edge computing and Scalable Cloud, CSCloud-EdgeCom 2023

作者： Huang, Tao Chen, Xiang Peng, Li Hunan University of Science and Technology School of Computer Science and Engineering Xiangtan Hunan411201 China Hunan Key Laboratory for Service computing and Novel Software Technology China

ISBN: (纸本)9798350312461

The rapid development of single-cell RNA sequencing (scRNA-seq) technology has enabled researchers to explore gene expression differences at the level of individual cells, revealing more refined cell types and states. However, due to the low expression and high noise of scRNA-seq data, feature selection has become particularly important in the analysis of single-cell data. Here, we introduce the Entropy Stepwise Regression (ESR) method for feature selection. This method utilizes the correlation between genes and the entropy values of each feature to filter out genes that are conducive to downstream analysis. In mouse kidney samples, we compared the performance of three methods in terms of Adjusted Rand Index and achieved good results. This indicates that the method can improve the accuracy of downstream analysis. © 2023 IEEE.

关键词： Entropy

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KNOB particle swarm optimizer 1

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1st International Conference on Advances in Swarm Intelligence, ICSI 2010

作者： Zhang, Junqi Liu, Kun Tan, Ying Key Laboratory of Embedded System and Service Computing Department of Computer Science and Technology Tongji University Shanghai 200092 China Department of Machine Intelligence School of Electronics Engineering and Computer Science Peking University Beijing 100871 China

ISBN: (数字)9783642134951

ISBN: (纸本)3642134947

It is not trivial to tune the swarm behavior just by parameter setting because of the randomness, complexity and dynamic involved in particle swarm optimizer (PSO). Hundreds of variants in the literature of last decade, brought various mechanism or ideas, sometimes also from outside of the traditional metaheuristics field, to tune the swarm behavior. While, in the same time, additional parameters have to be afforded. This paper proposes a new mechanism, named KNOB, to directly tune the swarm behavior through parameter setting of PSO. KNOB is defined as the first principal component of the statistical probability sequence of exploration and exploitation allocation along the search process. The using of the KNOB to tune PSO by parameter setting is realized through a statistical mapping, between the parameter set and the KNOB, learned by a radial basis function neural network (RBFNN) simulation model. In this way, KNOB provides an easy way to tune PSO directly by its parameter setting. A simple application of KNOB to promote is presented to verify the mechanism of KNOB. © 2010 Springer-Verlag.

关键词： Particle swarm optimization (PSO)

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A Cloudedge-Combined Data Placement Strategy Based on User Access Regions 6

A Cloudedge-Combined Data Placement Strategy Based on User A...

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6th International Conference on Big Data and Information Analytics, BigDIA 2020

作者： Cao, Eryang Wang, Pengwei Yan, Chungang Jiang, Changjun Department of Computer Science and Technology Tongji University Shanghai200092 China Key Laboratory of Embedded System and Service Computing Ministry of Education Tongji University Shanghai200092 China School of Computer Science and Technology Donghua University Shanghai201620 China

To improve the availability of data in the cloud and avoid vendor lock-in risk, multi-cloud storage is attracting more and more attentions. However, accessing data from the cloud usually has some disadvantages such as higher latency and more bandwidth-consuming. Edge computing, which has become popular in recent years, could effectively solve the above problems while it usually reduces availability. Storage only in the cloud or edge environment is limited by many factors. To this end, we build mathematical model which is abstracted from real access mode of users in consideration of multi-cloud and edge. This paper presents a method combined NSGAII with multi-group method which has better ability of global search to help users determine cloud and edge services to store and access data object. A large number of experiments using real service provider information demonstrate that the proposed algorithm outperforms existing methods and effectiveness of it. © 2020 IEEE.

关键词： Multiobjective optimization

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Co-assembly of nanoparticles and block copolymers into hybrid micellar aggregates

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Recent Patents on Materials Science 2013年第1期6卷 40-58页

作者： Li, Weikun Wang, Jianying Liang, Ruijing Deng, Renhua Zhu, Jintao Key Laboratory of Large-Format Battery Materials and System Ministry of Education School of Chemistry and Chemical Engineering Huazhong University of Science and Technology No. 1037 Luoyu Road Wuhan Hubei 430074 China Hubei Key Laboratory of Materials Chemistry and Service Failure School of Chemistry and Chemical Engineering Huazhong University of Science and Technology Wuhan 430074 China

In this review, we outline the most recent publications and patents focusing on hybrid micellar aggregates comprising nanoparticles (NPs) and block copolymers (BCPs) in the last decade, which have attracted much interest owing to their potential applications in the fields of optics, electronics, sensors, drug delivery and release, bioimaging, targeting, and catalysis. Among them, precise location and assembly of NPs in polymers are of great importance in realizing the formation of nanocomposites with high performances. BCPs assembly offers a simple and efficient route to direct and locate NPs in polymer matrix. First, we will outline different synthetic strategies for directing inorganic NPs into the micellar aggregates based on co-assembly of NPs and BCPs. We will then discuss principles and possible mechanisms for precisely regulating NPs in polymer microdomains of BCPs based on the experimental and theoretical results. Potential applications of the hybrid micellar aggregates will finally be discussed, followed by current and future developments of this emerging area. © 2013 Bentham Science Publishers.

关键词： Nanoparticles

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Modeling and analysis of energy local area network based on system dynamics simulation 5

Modeling and analysis of energy local area network based on ...

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5th International Conference on Logistics and Supply Chain Management, LSCM 2015

作者： Zhang, Fu-Xing Zhang, Tao Wang, Rui Zhang, Yan College of Information System and Management National University of Defense Technology Changsha China State Key Laboratory of High Performance Computing National University of Defense Technology Changsha China

ISBN: (纸本)9781510818071

Energy Local Area Network(ELAN) is the core component of the Energy Internet(EI), including wind power generation, energy storage equipment, electric vehicles and many kinds of intelligent loads. It can be used as a scheduling unit to accept EI layer control system. Complex structure, multiple correlation and strong coordination requirements have been the major obstacle to the realization of the accurate and timely optimization scheduling of ELAN. First of all, we talk about the composition of ELAN, physical structure and relationship between constitute factors. Secondly, Based on drawing the causality diagram and system flow chart, we built the SD model of ELAN. Thirdly, considering from the two aspects of structure and behavior model, we test and verify the model reliability and validity through the structure applicability test, structure consistent test, behavior applicability test and behavioral consistency test. Finally, based on the model correct test, we carried out the regular test and the policy simulation test, and the research conclusions of this paper are presented.

关键词： Economics

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Reader activation scheduling in multi-reader RFID systems: A study of general case

Reader activation scheduling in multi-reader RFID systems: A...

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25th IEEE International Parallel and Distributed Processing Symposium, IPDPS 2011

作者： Tang, Shaojie Wang, Cheng Li, Xiang-Yang Jiang, Changjun Department of Computer Science Illinois Institute of Technology Chicago IL 60616 United States Department of Computer Science Tongji University Shanghai China Key Laboratory of Embedded System and Service Computing Ministry of Education Shanghai China

ISBN: (纸本)9780769543857

Radio frequency identification (RFID) is a technology where a reader device can "sense" the presence of a close by object by reading a tag device attached to the object. To guarantee the coverage quality, multiple RFID readers can be deployed in the given region. In this paper, we consider the problem of activation schedule for readers in a multi-reader environment. In particular, we try to design a schedule for readers to maximize the number of served tags per time-slot while avoiding various interferences. We first develop a centralized algorithm under the assumption that different readers may have different interference and interrogation radius. Next, we propose a novel algorithm which does not need any location information of the readers. Finally, we extend the previous algorithm in distributed manner in order to suit the case where no central entity exists. We conduct extensive simulations to study the performances of our proposed algorithm. And our evaluation results corroborate our theoretical analysis. © 2011 IEEE.

关键词： Graph theory

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LCW: A Lightweight Recommendation Framework for Non-profit Crowdfunding Projects 21

LCW: A Lightweight Recommendation Framework for Non-profit C...

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4th International Conference on Computer Science and Software Engineering, CSSE 2021

作者： Liu, Jinxin Xiao, Yingyuan Zheng, Wenguang Engineering Research Center of Learning-BasedIntelligent System Ministry of Education Tianjin University of Technology China Tianjin Key Laboratory OfIntelligence Computing and Novel Software Technology Tianjin University of Technology China

ISBN: (纸本)9781450390675

In recent years, crowdfunding platform has gradually emerged as a new economic model, and more and more people choose crowdfunding to obtain the initial funds needed by the project. However, with the increasing number of projects, it is difficult for sponsors to find suitable projects they want to invest in. Therefore, it is very important to build an efficient recommendation system on the crowdfunding platform. Different from previous crowdfunding recommendation systems designed to improve returns, this paper designs a lightweight recommendation framework LCW for non-profit crowdfunding platforms. A large number of experiments on real kiva data sets have proved the effectiveness of this method and it obtains the SOTA results. © 2021 ACM.

关键词： Recommender systems

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6th International Conference on Fuzzy systems and Knowledge Discovery, FSKD 2009

作者： Li, Wenjie Zhao, Yan Shen, Nan Tianjin Key Laboratory of Intelligence Computing and Novel Software Technology Tianjin University of Technology 300191 Tianjin China Key Laboratory of Computer Vision and System Tianjin University of Technology Ministry of Education 300191 Tianjin China Nankai University 300071 Tianjin China

ISBN: (纸本)9780769537351

Ontology is an explicit specification of a conceptualization. With the development of semantic Web, there are more and more ontologies. How to achieve the reusing and sharing of knowledge between ontologies has become the key to the development of semantic Web. Based on the analysis of the current technologies, a computation method of parsing the feature of concept in the ontologies and making use of the semantic similarity measurement techniques is proposed in the paper, in order to find the same or similar concepts pairs among different ontologies and then can be used in the ontology mapping, which has been proved feasible by experiments. © 2009 IEEE.

关键词： Ontology

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Enhancement of oxygen evolution reaction activity and durability of Ba0.5Sr0.5Co0.8Fe0.2O3-δ by CO2 thermal treatment

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Journal of Materials Science & technology 2019年第6期35卷 1184-1191页

作者： Fengli Liang Ziqiong Yang Haipeng Deng Jaka Sunarso Lili Yang Junkui Mao College of Energy and Power Engineering.Jiangsu Province Key Laboratory of Aerospace Power System Nanjing University of Aeronautics and Astronautics Nanjing 210016 China Research Centre for Sustainable Technologies Faculty of Engineering Computing and Science Swinburne University of Technology Jalan Simpang Tiga93350 Kuching Sarawak Malaysia

This work demonstrates that in situ formation of carbonate layer on the surface of Ba0.5Sr0.5Co0.8Fe0.2O3-δ(BSCF)obtained by exposure to CO2 during heating between 500℃ and 700℃ can provide enhanced oxygen evolution reaction(OER)performance and durability in an alkaline solution relative to the original *** temperatures,i.e., 500℃,600℃,and 700℃ were chosen to perform the CO2 thermal treatment,resulting into BSCF-500,BSCF-600,and BSCF-700 *** OER was enhanced in the order of BSCF-500< BSCF-700 < BSCF-600. BSCF-600 showed the best OER performance, i.e., a low overpotential of 0.36 V required to attain 10 mA cm^-2 current density as well as a mass activity of 74.14 Agcmcat-1 and a specific activity of 5.04 mA cmcat-2 at an overpotential of 0.4 V. The OER performance durability of BSCF-600 was highlighted by its ability to maintain a stable potential of around 1.61 V vs. RHE (RHE: reversible hydrogen electrode) when charged at a constant current density of 10 mA cm^-2 throughout the 800 min continuous chronopotentiometry test. The enhanced OER performance for BSCF-600 relative to the original BSCF is attributed to three factors:(i) higher electrochemically active surface area;(ii) faster charge transfer rate and higher electrical conductivity;and (iii) modified oxidation state of cobalt ions. The formation of thin carbonate layer in BSCF-600 appears to suppress the durability issue observed in BSCF.

关键词： Carbonate Electrocatalysis Oxygen evolution reaction Perovskite Water splitting

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