• 제목/요약/키워드: Science communication

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COMS On-Station Earth Acquisition Performance Analysis

  • Park, Keun-Joo;Park, Young-Woong;Ju, Gwang-Hyeok;Lee, Hun-Hee;Yang, Koon-Ho
    • 한국우주과학회:학술대회논문집(한국우주과학회보)
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    • 한국우주과학회 2006년도 한국우주과학회보 제15권2호
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    • pp.118-118
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    • 2006
  • PDF

Marketing Communication and Synergy of Pentahelix Strategy on Satisfaction and Sustainable Tourism

  • CHAMIDAH, Nurul;GUNTORO, Budi;SULASTRI, Endang
    • The Journal of Asian Finance, Economics and Business
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    • 제7권3호
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    • pp.177-190
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    • 2020
  • This study aims to present explicit findings from an internal perspective, namely the interaction patterns of marketing communication between pentahelix elements and testing the expectations of tourists towards tourism activities through a simulation model between variables. This study is divided into two methods of analysis, namely qualitative explorative, where the study aims to invest in communication patterns and patterns of interaction between pentahelix stakeholders in Sitiwinangun Tourism Village, West Java, Indonesia with involve 17 informants who came from pentahelix elements (Government, academics, community, business and media). Second, quantitative method to measure the extent of effectiveness rather than collaboration activities and the role of marketing communication to tourist satisfaction is done by an analytical approach involving 30 tourists through customer satisfaction surveys. The results of this study illustrate that the involvement of each pentahelix element has not been maximized. The pattern of interaction and communication between elements also shows the gap between interests, expectations, and reality. This study provides a real picture that to realize a tourism program that is profitable, holistic, and sustainable requires collaboration that is wrapped with transparent and interactive communication patterns. The marketing communication concept approach combined with collaboration theory between stakeholders can be useful for sustainable tourism.

비폭력대화를 이용한 의사소통 중재연구의 통합적 고찰 (Integrative Review of Nonviolent Communication Intervention Studies)

  • 양정운;김성재
    • Perspectives in Nursing Science
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    • 제13권1호
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    • pp.36-47
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    • 2016
  • Purpose: This study aimed to uncover the evidence for developing effective communication intervention programs by analyzing and evaluating Communication Intervention Studies using Nonviolent Communication (NVC-CI). The specific purposes were to analyze general characteristics of NVC-CI studies, intervention contents, and the effectiveness of the studies. Methods: This was an integrative review that analyzed NVC-CI studies published from 2005 to 2015 identified through searches of five Korean electronic databases. The method proposed by Whittemore and Knafl was applied. This contains four stages: problem identification, literature search, data evaluation, and data analysis. Results: Twelve studies met the inclusion criteria. Most of the experimental designs were Quasi-experimental studies. These included 9 papers (75%), one qualitative study, one mixed methodology, and one case study (8.3% respectively). Most NVC-CI studies used group intervention. In order to effectively change communication patterns, interventions needed about 10~11 sessions 1~2 times a week. Conclusion: Future research with well-designed clinical trials using NVC-CI needs to be done in the area of mental health nursing to promote communication skills.

HLA/RTI를 이용한 워게임 시뮬레이터와 통신 효과 시뮬레이터의 연동 시뮬레이션 연구 (Research of Interopaeration Simulation between War Game Simulator and Communication Effect Simulator using HLA/RTI)

  • 김덕수;배장원;박수범;김탁곤
    • 한국군사과학기술학회지
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    • 제18권1호
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    • pp.46-54
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    • 2015
  • Wargame simulators are widely used in the field of defence modeling and simulation. Because of increasing importance of communication effects on the warfare, the war game simulator is also required to reflect communication effects. One way to satisfy the requirement is the interoperation simulation between war game simulator and communication effect simulators. This paper shows the application of interoperation simulation between war game and communication effect simulators using HLA(High-Level Architecture)/RTI(RunTime Infrastructure). The war game simulator mainly deal with the engagement of troops and the troops communicate each other at the mission execution level. In the other hand, The communication effect simulator perform communication actions between the troops in the engineering level. Using the interoperation simulation, we can reflect the communication effects on the war game simulation. We show various applications of the interoperation simulation with the point of the war game and communication effect simulator. with a case study, we explain the interoperation simulation improves the reality and fidelity of the war game simulator and how the interoperation simulation can be applied to developing doctrines and real communication system.

국내외 기업 간의 안전관련 의사소통의 차이 연구 (Difference of Occupational Safety and Health Communication between Domestic and Foreign Corporations)

  • 김왕배;이경용;이수철;서남규
    • 대한안전경영과학회지
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    • 제11권3호
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    • pp.63-71
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    • 2009
  • Safety is totally established through not only legal regulations and system but the establishment of safety culture. As a foundation of safety culture, safety and health communication is the essential condition. Therefore, in the case of researching safety culture the communication network of a organization is a crucial factor. This study has analysed the structure of occupational safety and health communication between domestic and foreign corporations comparatively by the statistical analysis. The occupational safety and health communication is composed of four sub-dimensions: general communication in working site, using safety information communication, communication with the board of directors, and communication with labor union. The nationality of corporations influences the safety communication significantly except for communication with labor union. Consequently it is possible to infer that the nationality of corporations is a significant factor for safety communication network.

성형망 기반의 수중 다중매체 통신 네트워크와 단편화 기법 (Underwater Multi-media Communication Network based on Star Topology and a Fragmentation Technique)

  • 임동현;김승근;김창화
    • 한국멀티미디어학회논문지
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    • 제24권11호
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    • pp.1526-1537
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    • 2021
  • Due to the difference between the underwater communication environment and the terrestrial communication environment, the radio communication mainly used on the ground cannot be used in underwater. For this reason, in the underwater communication environment, various communication media such as acoustic waves, infrared rays, light and so on has been studied, but there exist several difficulties in operating them individually due to their physical limitations. The concept for overcoming these difficulties is the very underwater multi-media communication, a method to select a communication medium best suitable for the current underwater environment among underwater communication multimedia whenever there occurs underwater communication failure. In this paper, we present an underwater multi-media communication network based on star topology and a fragmentation and reassembly technique to solve the problems caused by the different MTU (Maximum Transmission Unit) sizes among different underwater communication media. We also present the estimations and analysis on processing times in each of fragmentation and reassembly and the total data amount for transmitting fragments in our proposed underwater multi-media communication network.

5G 기반 철도 통신망의 트래픽 전송 성능 (Traffic Transmission Performance of Railway Communication Network based on 5G)

  • 김영동
    • 한국전자통신학회논문지
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    • 제16권6호
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    • pp.1069-1074
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    • 2021
  • 최근 들어 5G 상용통신의 보급으로 이동통신기술은 새로운 시대를 맞이 하고 있다. 현재 도시지역을 중심으로 5G 이동 통신 서비스가 제공되고 있으나 조만간 전국을 대상으로 서비스가 확대될 것으로 전망된다. mmWave 기술을 기반으로 하는 5G 이동통신은 초기 단계로 일반인 대상으로 하는 음성 및 인터넷 서비스 중심으로 전개되고 있으나 전국망 구축이 완료되면 산업통신으로 확장될 것으로 예상된다. 이 산업 통신분야의 대표적인 예가 철도통신 시스템이다. 따라서 본 논문에서는 5G 이동통신을 기반으로 하는 철도통신망의 트래픽 전송 성능을 컴퓨터 시뮬레이션을 사용하여 분석한다. 이 분석 결과를 기반으로 5G 기반 철도통신망의 구축 조건을 살펴본다.

Robust Conditional Privacy-Preserving Authentication based on Pseudonym Root with Cuckoo Filter in Vehicular Ad Hoc Networks

  • Alazzawi, Murtadha A.;Lu, Hongwei;Yassin, Ali A.;Chen, Kai
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • 제13권12호
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    • pp.6121-6144
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    • 2019
  • Numerous privacy-preserving authentication schemes have been proposed but vehicular ad hoc networks (VANETs) still suffer from security and privacy issues as well as computation and communication overheads. In this paper, we proposed a robust conditional privacy-preserving authentication scheme based on pseudonym root with cuckoo filter to meet security and privacy requirements and reduce computation and communication overheads. In our proposed scheme, we used a new idea to generate pseudonyms for vehicles where each on-board unit (OBU) saves one pseudonym, named as "pseudonym root," and generates all pseudonyms from the same pseudonym. Therefore, OBU does not need to enlarge its storage. In addition, the scheme does not use bilinear pairing operation that causes computation overhead and has no certification revocation list that leads to computation and communication overheads. The proposed scheme has lightweight mutual authentication among all parties and just for once. Moreover, it provides strong anonymity to preserve privacy and resists ordinary attacks. We analyzed our proposed scheme and showed that it meets security and privacy requirements of VANETs and is more efficient than traditional schemes. The communication and computation overheads were also discussed to show the cost-effectiveness of the proposed scheme.

초등학생의 과학적 의사소통 능력 함양을 위해 예비 초등교사들이 작성한 수업과정안의 특징 (The Characteristics of Lesson Planning of Pre-service Elementary Teachers to Develop Scientific Communication Skills for Elementary School Students)

  • 나지연;장병기
    • 한국초등과학교육학회지:초등과학교육
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    • 제37권1호
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    • pp.54-65
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    • 2018
  • The purpose of this study was to investigate the characteristics of lesson planning of pre-service elementary teachers to develop scientific communication skills for elementary school students. For this purpose, lesson plans and lesson planning journals written by the 53 pre-service teachers were collected and analyzed. The results of the research were as follows. The pre-service elementary teachers used an implicit and contextual approach to develop scientific communication skills. Teaching and learning activities for enhancing scientific communication were mainly conducted in words or in writing. There were many activities expressing elementary school students' thoughts and presenting the results of experiments in the lesson plan. There were many cases in which the pre-service teachers' lesson plans did not include the evaluation of scientific communication skills. In their lesson plans, there are a lot of mutual activities between teachers and students, team and whole students, and inter-students within teams together, and students' individual activities from requests of teachers. We found that the pre-service teachers had various difficulties when they planned the science lesson to develop scientific communication skills. The pre-service teachers were less likely to refer to specialized materials related to science education when planning their classes.

Exploring Efficient Solutions for the 0/1 Knapsack Problem

  • Dalal M. Althawadi;Sara Aldossary;Aryam Alnemari;Malak Alghamdi;Fatema Alqahtani;Atta-ur Rahman;Aghiad Bakry;Sghaier Chabani
    • International Journal of Computer Science & Network Security
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    • 제24권2호
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    • pp.15-24
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    • 2024
  • One of the most significant issues in combinatorial optimization is the classical NP-complete conundrum known as the 0/1 Knapsack Problem. This study delves deeply into the investigation of practical solutions, emphasizing two classic algorithmic paradigms, brute force, and dynamic programming, along with the metaheuristic and nature-inspired family algorithm known as the Genetic Algorithm (GA). The research begins with a thorough analysis of the dynamic programming technique, utilizing its ability to handle overlapping subproblems and an ideal substructure. We evaluate the benefits of dynamic programming in the context of the 0/1 Knapsack Problem by carefully dissecting its nuances in contrast to GA. Simultaneously, the study examines the brute force algorithm, a simple yet comprehensive method compared to Branch & Bound. This strategy entails investigating every potential combination, offering a starting point for comparison with more advanced techniques. The paper explores the computational complexity of the brute force approach, highlighting its limitations and usefulness in resolving the 0/1 Knapsack Problem in contrast to the set above of algorithms.