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IEEE Symposium on Computational Intelligence and Games, CIG

作者： Jonathan Boron Chris Darken MAGTF Staff Training Program United States Marine Corps Quantico USA Computer Science Naval Postgraduate School Monterey USA

ISBN: (数字)9781728145334

ISBN: (纸本)9781728145341

Progress in artificial intelligence (AI), particularly deep reinforcement learning (RL), has produced systems capable of performing at or above a professional-human level. This research explored the ability of RL to train AI agents to achieve optimal offensive behavior in small tactical engagements. Agents were trained in a simple, aggregate-level military constructive simulation with behaviors validated with the tactical principles of mass and economy of force. Results showed the combat model and RL algorithm applied had the largest impact on training performance. Additionally, specific training hyper-parameters also contributed to the quality and type of observed behaviors. Future work will seek to validate RL performance in larger and more complex combat scenarios.

关键词： Force Training Mathematical model Companies Stochastic processes Spinning Neural networks

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Delay tolerant transport protocol - DTTP

Delay tolerant transport protocol - DTTP

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International Global Information Infrastructure Symposium (GIIS)

作者： Fabio Luiz P. Albini Anelise Munaretto Mauro Fonseca Graduate School of Electrical Engineering and Computer Science (CPGEI) Federal Technological University of Parana (UTFPR) Curitiba Brazil Postgraduate Program in Computer Science (PPGIa) Pontifical Catholic University of Parana (PUCPR) Curitiba Brazil

This paper consists in a novel transport protocol description for Delay-Tolerant Networks and Disruption Tolerant Networks (both DTN). This protocol was designed to offer a better information delivery rate in DTNs scenarios. Fountain codes techniques are used to achieve our needs. The performance results were tested taking into account the hosts buffer size, the TTL (Time To Live) of the messages and the amount of redundant information generated into the network. A better delivery rate and performance were achieved using the proposed protocol.

关键词： Transport protocols Data models Delay Error correction codes Educational institutions Process control

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Rapid Detection of Oil Pollution in Soil by Using Laser-Induced Breakdown Spectroscopy

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Plasma science and Technology 2016年第12期18卷 1186-1191页

作者： Ali KHUMAENI Wahyu Setia BUDI Asep Yoyo WARDAYA Rinda HEDWIG Koo Hendrik KURNIAWAN Department of Physics Faculty of Science and Mathematics Diponegoro University JI. Prof. Soedharto SH. Tembalang Semarang 50275 Indonesia Master Program in Energy School of Postgraduate Studies (SPS) Diponegoro University JI. Imam Barjo SH. Pleburan Semarang 50241 Indonesia Computer Engineering Department Bina Nusantara University K. H. Syahdan 9 Jakarta 11480 Indonesia Research Center of Maju Makmur Mandiri Foundation 40 Srengseng Raya Kembangan Jakarta Barat 11630 Indonesia

Detection of oil pollution in soil has been carried out using laser-induced breakdown spectroscopy（LIBS）. A pulsed neodymium-doped yttrium aluminum garnet（Nd：YAG） laser（1,064 nm, 8 ns, 200 mJ） was focused onto pelletized soil samples. Emission spectra were obtained from oil-contaminated soil and clean soil. The contaminated soil had almost the same spectrum profile as the clean soil and contained the same major and minor elements. However, a C–H molecular band was clearly detected in the oil-contaminated soil, while no C–H band was detected in the clean soil. Linear calibration curve of the C–H molecular band was successfully made by using a soil sample containing various concentrations of oil. The limit of detection of the C–H band in the soil sample was 0.001 mL/g. Furthermore, the emission spectrum of the contaminated soil clearly displayed titanium（Ti） lines, which were not detected in the clean soil. The existence of the C–H band and Ti lines in oil-contaminated soil can be used to clearly distinguish contaminated soil from clean soil. For comparison, the emission spectra of contaminated and clean soil were also obtained using scanning electron microscope-energy dispersive X-ray（SEM/EDX） spectroscopy,showing that the spectra obtained using LIBS are much better than using SEM/EDX, as indicated by the signal to noise ratio（S/N ratio）.

关键词： laser-induced breakdown spectroscopy LIBS oil pollution soil analysis C–H molecular band

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Haptic display for virtual reality: progress and challenges

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Virtual Reality & Intelligent Hardware 2019年第2期1卷 136-162页

作者： Dangxiao WANG Yuan GUO Shiyi LIU Yuru ZHANG Weiliang XU Jing XIAO State Key Laboratory of Virtual Reality Technology and Systems Beihang UniversityBeijing 100083China Beijing Advanced Innovation Center for Biomedical Engineering Beihang UniversityBeijing 100083China Peng Cheng Laboratory Shenzhen 518055China Department of Mechanical Engineering University of AucklandAuckland 1142New Zealand School of Computer Science and the Robotics Engineering Program Worcester Polytechnic InstituteWorcesterMA 01609-2280USA

Immersion, interaction, and imagination are three features of virtual reality (VR). Existing VR systems possess fairly realistic visual and auditory feedbacks, and however, are poor with haptic feedback, by means of which human can perceive the physical world via abundant haptic properties. Haptic display is an interface aiming to enable bilateral signal communications between human and computer, and thus to greatly enhance the immersion and interaction of VR systems. This paper surveys the paradigm shift of haptic display occurred in the past 30 years, which is classified into three stages, including desktop haptics, surface haptics, and wearable haptics. The driving forces, key technologies and typical applications in each stage are critically reviewed. Toward the future high-fidelity VR interaction, research challenges are highlighted concerning handheld haptic device, multimodal haptic device, and high fidelity haptic rendering. In the end, the importance of understanding human haptic perception for designing effective haptic devices is addressed.

关键词： Haptic display Virtual reality Desktop haptics Surface haptics Wearable haptics Multimodal haptics

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The Age and Updating Stability for a Communication Context in VANET

The Age and Updating Stability for a Communication Context i...

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Brazilian Symposium on Computing System Engineering (SBESC)

作者： Margarete De Sá Sérgio Gorender Distributed Systems Laboratory (LaSiD) Graduate Program in Mechatronics (PPGM) Computer Science Institute (IC) and Polytechnic School (EP) Federal University of Bahia (UFBA)

ISBN: (数字)9798331509002

ISBN: (纸本)9798331532857

VANETs make it possible to execute specific vehicular applications, in particular those with the aim of turning traffic safe and avoiding congestion. However, it is difficult to maintain communication between vehicles when these vehicles move dynamically at high speeds. Context-aware systems have been studied as a way to monitor context information from sensors, which can be used by systems to adapt to changes in their environment or in application requirements. This concept is used by VANET protocols and applications in different ways. Quality of Context (QoC) metrics are used to qualify the context information considering different characteristics of sensors and of the information, being a base for systems to decide if it is safe and interesting to use specific information. In this paper, we propose QoC metrics related to the stability of the updating process for a vehicular communication context. In addition, we also analyze the Age QoC metric and show how to calculate it for distinct context information. We simulate scenarios to verify the QoC metrics behavior. The results showed that the proposed QoC metrics can properly qualify the vehicular communication context.

关键词： Measurement Roads Vehicular ad hoc networks Sensor phenomena and characterization Turning Systems engineering and theory Stability analysis Sensor systems Reliability Monitoring

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Analyzing User Comments on Fintech E-wallet Applications in Indonesia Using the LDA Algorithm

Analyzing User Comments on Fintech E-wallet Applications in ...

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International Conference on Information Technology (INCIT)

作者： Albertus Dwiyoga Widiantoro Mustafid Mustafid Ridwan Sanjaya Doctoral Program of Information System School of Postgraduate Studies Diponegoro University Semarang Indonesia Information System Computer Science Fakulcty Soegijapranata Catholic University Semarang Indonesia

The main objective of this article is to compare user comments from 4 Fintech applications in Indonesia using the Latent Dirichlet Allocation (LDA) algorithm. This research is word processing research carried out using text mining. The statistical population is comments from Fintech users Ovo, Dana, LinkAja, and Doku, with data taken from May 2022-May 2023. LDA and the Python programming language are applied to analyze the data and implement text mining algorithms from topic modeling. Each application group has different topic coherence, each application group is analyzed and 4 large categories are found, namely system convenience, system problems, customer service (CS) problems, and service ease. The results of text mining and processing using Coherence and Latent Dirichlet allocation can be used to identify hidden topics and be used as input for system improvements

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Privacy Preserving Electronic Health Record with Consortium Blockchain

Privacy Preserving Electronic Health Record with Consortium ...

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International Conference on Information Technology, Information Systems and Electrical Engineering (ICITISEE)

作者： Adri Gautama Adian Fatchur Rochim Luhur Bayuaji Doctoral Program of Information System School of Postgraduate Studies Diponegoro University Semarang Indonesia Department of Computer Engineering Diponegoro University Semarang Indonesia Computer Science Budi Luhur University Jakarta Indonesia

Every patient has health record, it was written as statement of patient's conditions, treatments, and medications, and nowadays it is become digitalized, it can be copied and shared easily, but the nature of EHR is private, not for public, private between patients and healthcare provider. Privacy preserving can be done by implementing Blockchain network for storing EHR, only authorized users or nodes can access and write data to the network. New block in blockchain created as per consensus among nodes, every node can join a blockchain network if it is public, to meet a consensus required resources intensive cryptographic challenge, in private blockchain, only selected can join and involved in the network or specific transaction. In healthcare, data privacy is the main concerned, need a secure, scalable, and efficient blockchain hence implementing consortium blockchain is perfect match for EHR where multiple healthcare provider can operate in a single platform to conduct transaction or sharing EHR among members. This study analyzes 15 articles derived from IEEE Explore, science Direct and Scopus by implementing screening with keyword Consortium Blockchain and EHR and proposing new blockchain model accommodating solution for challenges on access, storage, sharing, privacy, and performance.

关键词： Electrical engineering Data privacy Privacy Analytical models Monte Carlo methods Medical services Blockchains

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Empirical Studies on Application of Genetic Algorithms and Ant Colony Optimization for Data Clustering

Empirical Studies on Application of Genetic Algorithms and A...

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computer science Society (SCCC) International Conference Chilean FLAGGED

作者： Thelma Elita Colanzi Wesley Klewerton Guez Assunção Aurora Trinidad Ramirez Pozo Ana Cristina B. Kochem Vendramin Diogo Augusto Barros Pereira Computer Science Postgraduate Program Federal University of Paraná (UFPR) Curitiba Paraná Brazil Graduate School of Electrical Engineering and Computer Science (CPGEI) Federal Technological University of Paraná (UTFPR) Curitiba Paraná Brazil Informatics Department (DAINF)

Cluster analysis is used in several research areas to classify data sets in groups by their similar characteristics. Metaheuristic-based techniques, such as Genetic Algorithms (GAs) and Ant Colony Optimization (ACO), have been applied in order to increase the clustering algorithm performance. GA and ACO-based clustering algorithms are capable of efficiently and automatically forming natural groups from a pre-defined number of clusters. This paper presents a GA and an ACO algorithm to the clustering problem. Both algorithms were refined using local search in order to improve the clustering accuracy. The results are compared on numeric UCI databases.

关键词： Clustering algorithms Search problems Equations Mathematical model Gallium Genetic algorithms Memetics

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Architecture,Design and computer science:Professional Training for Elementary school Teachers

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Journal of Civil Engineering and Architecture 2021年第12期15卷 641-654页

作者： Andréa Quadrado Mussi Luisa Fernanda Nercolino Deon Amilton Rodrigo de Quadros Martins Postgraduate Program in Architecture and Urbanism(PPGARQ)of the Polytechnic School at Faculdade Meridional(IMED) Passo Fundo/RSCEP 99070-220Brazil Laboratory of Education Science and Innovation Faculdade Meridional(IMED)Passo Fundo/RSCEP 99070-220Brazil

Studies show that contemporary teaching methodologies are based on skills and competences directed to different areas of professional practice,such as Architecture,Design and computer *** learning spaces gain strength,stimulating the development of new skills by *** Digital Manufacturing Laboratories(Fab Labs)and Makerspaces are entering the school environment and starting a movement for change in traditional *** they are seen as potential drivers for higher quality education,the lack of specific training for teachers in the face of new digital information and communication technologies,especially in basic education,becomes limiting in the development of new active ***,this study aimed to develop a training dynamic for basic education teachers,addressing the use of tools and equipment for digital manufacturing and prototyping,2D and 3D modeling applications and software,and programming and *** methodology consists of literature review,followed by the action research method with two workshops given through an online and synchronous *** importance of incorporating creative and innovative methodologies in education is understood,and above all,there is a dynamic,planned and effective structure,geared towards the orientation of teachers.

关键词： Digital fabrication computational thinking active learning professional training

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Parametric Design:Measuring Learning States

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Journal of Civil Engineering and Architecture 2020年第12期14卷 658-667页

作者： Ernani Z andona Pazini Andrea Quadrado Mussi Amilton Rodrigo de Quadros Martins Postgraduate Program in Architecture and Urbanism(PPGARQ)of the Polytechnic School at Faculdade Meridional(IMED) Passo Fundo/RSCEP 99070-220Brazil Laboratory of Education Science and Innovation Faculdade Meridional(IMED)Passo Fundo/RSCEP 99070-220Brazil

Project teaching and learning comprises properties,strategies and procedures that currently involve computational thinking and logical *** general,this problem arises from the possibilities offered by the new software and the increase of the level of dominion of the project by the *** this context,this study aims to estimate how much the student profile contemporary of architecture is motivated and engaged in learning new project processes that use computational reasoning and logical reasoning,characteristic of parametric ***,the research is based on the theory of flow,presents results of an investigation of engagement and learning of students of a school of Architecture and Urbanism in Brazil,referring to the themes and uses of parametric *** study contributed to the practice and use of parametric design in the educational environment,besides allowing the integration of computational thinking in the creative process of the project.

关键词： Parametric design project processes learning computational thinking

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