• Title/Summary/Keyword: Internet Personal Broadcasting

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Design and Implementation of Personal Internet Broadcasting System Using Host Multicast scheme on FTTH Network Environment (FTTH망에서 호스트멀티캐스트를 이용한 개인 인터넷 방송 시스템 설계 및 구현)

  • Kim Kyoung-Tae;Son Seung-Chul;Heo Kwon;Lee Hyung-Ok;Kim Kyung-Hun;Nam Ji-Seung
    • Proceedings of the Korean Information Science Society Conference
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    • 2006.06d
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    • pp.157-159
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    • 2006
  • 본 논문에서는 FTTH 환경에 의해 가입자까지 100Mbps 이상의 대역폭을 보장하면서 실제 서비스 되어 질 수 있는 응용 시스템인 개인 인터넷 방송 시스템을 호스트 멀티캐스트 Scheme을 이용하여 설계 및 구현하였다. 전송 방식인 호스트 멀티캐스트에 대해 알아보고 개인 인터넷 방송 서버(Contents Provider)와 클라이언트(Host)의 구조에 효율적인 호스트 멀티캐스트 알고리즘인 Data Delivery Tree Algorithm(DDTA)를 제안하고, DDTA 알고리즘이 FTTH 환경에서 HDTV급 고화질 영상을 전송할 수 있는 개인 인터넷 방송 시스템에 효율적인 알고리즘이라는 것을 보인다.

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Short-term ICT Training Program for Non-Computer Science Major Teachers in Developing Countries for Improving ICT Teaching Efficacy

  • Jeon, Yongju;Song, Ki-Sang
    • International journal of advanced smart convergence
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    • v.7 no.2
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    • pp.73-85
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    • 2018
  • The purpose of this study is to develop a short-term ICT training course that helps teachers from non-computing disciplines in developing countries acquire flipped-learning content creation skills. A field application is performed by applying the developed ICT training course to secondary school teachers of non-ICT subject specialisms in Laos. In the field study, participating teachers' teaching efficacy on ICT and satisfaction toward the training course are measured. The result of t-test on ICT teaching efficacy showed statistically significant increases in teachers' self-efficacy related to ICT use, both personal efficacy and outcome expectancy. The satisfaction survey performed after training showed that trainees were highly satisfied with the training course. The results of this field study could be used to propose a short-term teacher education model that could be applicable to teachers in other developing countries.

Implementation of the Golf Play Advice System with Reasoning Rules Using Mobile Devices

  • Kim, Kapsu;Min, Meekyung
    • International journal of advanced smart convergence
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    • v.7 no.2
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    • pp.47-54
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    • 2018
  • This paper is a study on implementation of the golf play advice system which provides advice to golfers through mobile devices. The system consists of a mobile unit consisting of a GPS receiver, a data transmitter and receiver, and a display unit, and a server unit composed of a database and advice generator. The advice generator that provides advices to the users, generates advices with IF-THEN rule-based reasoning method. The reasoning module utilizes golfer's personal records and various information in the database of the server unit. This system provides the advice to the users who play on the golf course through mobile devices, so that it is possible to provide various information similar to the screen golf using the computer simulating technology in the outdoor golf course.

Exploring the Social Proxemics of Human-Drone Interaction

  • Han, Jeonghye;Moore, Dylan;Bae, Ilhan
    • International journal of advanced smart convergence
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    • v.8 no.2
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    • pp.1-7
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    • 2019
  • Drones will evolve from military to personal or social purposes. How can people socially interact with a drone that is familiar to them? This study explored the social proximity of human drone interaction with safety glass wall between participants and drone. The experiment results showed that drone's altitude, size and gender factor did not significantly affect social proxemics as to what extent participants got closer to hovering drones by the limitation of the distance from the safety wall. However, it shows a tendency that participants more closely approached an eye-level drone compared with an overhead drone, and females tended to approach more closely males. This study consequently demonstrated that most participants are nearly ready to allow a near field operation of social drone under safe conditions.

Changes in Specialty Coffee Consumption Post-pandemic

  • Lim, Miri;Ryu, Gihwan
    • International journal of advanced smart convergence
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    • v.11 no.3
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    • pp.157-161
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    • 2022
  • The coffee industry continues to grow steadily due to the spread of coffee and changes in consumer awareness. Once upon a time, instant coffee was common, People today have distinct personal preferences As consumption needs for favorite foods are segmented, ways to enjoy coffee are diversifying. This study was conducted through analysis of consumption changes for specialty coffee as a changed issue of COVID-19 The goal is to present a vision for the future of the specialty coffee industry. As a research method, text mining through big data analysis was conducted to extract and analyze factors affecting the change in specialty coffee consumption. As a result of the study, we judged that specialty coffee is consumed by using a drip tool that allows you to easily enjoy coffee at home after Corona 19. Therefore, hand drips used in home cafes were found to play a central role in the change in specialty coffee consumption.

Proposal for a virtual museum with vertical aspect ratio for the convergence of metaverse and short-form content

  • Il-hyun Cho
    • International journal of advanced smart convergence
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    • v.12 no.3
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    • pp.119-126
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    • 2023
  • This study explores the convergence of metaverse and short-form content, proposing a new approach for viewing short-form content with a vertical aspect ratio on a metaverse platform and within a virtual museum. Short-form content has gained popularity due to the snack culture and is proving to be advantageous in e-commerce. By studying the relationship between vertical ratio screens and gaze, we confirm the effectiveness of vertical ratio short-form content in providing immersive experiences and fostering sharing and communication. The proposed virtual museum offers opportunities for innovative businesses to market through fandom. This research highlights the value of vertical proportion short-form content and its significance in the convergence of metaverse and short-form content. It aims to contribute to industry development, provide new creative directions, enhance personal visual experiences, and expand applicability in related fields.

Effective Utilization of Data based on Analysis of Spatial Data Mining (공간 데이터마이닝 분석을 통한 데이터의 효과적인 활용)

  • Kim, Kibum;An, Beongku
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.13 no.3
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    • pp.157-163
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    • 2013
  • Data mining is a useful technology that can support new discoveries based on the pattern analysis and a variety of linkages between data, and currently is utilized in various fields such as finance, marketing, medical. In this paper, we propose an effective utilization method of data based on analysis of spatial data mining. We make use of basic data of foreigners living in Seoul. However, the data has some features distinguished from other areas of data, classification as sensitive information and legal problem such as personal information protection. So, we use the basic statistical data that does not contain personal information. The main features and contributions of the proposed method are as follows. First, we can use Big Data as information through a variety of ways and can classify and cluster Big Data through refinement. Second. we can use these kinds of information for decision-making of future and new patterns. In the performance evaluation, we will use visual approach through graph of themes. The results of performance evaluation show that the analysis using data mining technology can support new discoveries of patterns and results.

A Study on Improvement for Service Proliferation Based on Blockchain (블록체인 기반 서비스 확산을 위한 개선 방안 연구)

  • Yoo, Soonduck;Kim, Kiheung
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.18 no.1
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    • pp.185-194
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    • 2018
  • This study investigates the limitations of blockchain technology and the ways to improve it by using Delphi technique. Limit factors and improvement measures are classified into technology, service, and legal system. First, from a technical point of view, lack of standardization of the technology, insufficiency of integration, lack of scalability, unclear cancellation or correction policy, excessive cost of transaction verification, insufficient personal information protection and not enough to respond to hacking defense were the limiting factors. In order to improve these, the followings; ensuring standardization, securing integration and scalability, establishing cancellation of each applicable data, establishment of correction policy, efficiency of verification cost, the protection of personal information and countermeasure against hacking are provided. The related technology development and countermeasures must be established to effectively introduce the blockchain technology to the market. Second, in the early stage of blockchain service, it showed lack of utilization of the blockchain, security threat, shortage of skilled workers, and lack of legal liability. As a solution to these problems, it is necessary to suggest various applications, against security threat, training professional manpower, and securing legal responsibility. It should also provide a foundation for providing institutionally stable services. Third, from as legal system point of view, inadequate legal compliance, lack of relevant regulation, and uncertainty in the regulation were the limiting factors. Therefore establishing a legal system, which is the most important area for activating the service, should be accompanied by the provision of legal countermeasures, clearness of regulations and measures to be taken by relevant governmental authorities. This study will contribute as a reference for a research, related to the blockchain.

Design of Dynamic Buffer Assignment and Message model for Large-scale Process Monitoring of Personalized Health Data (개인화된 건강 데이터의 대량 처리 모니터링을 위한 메시지 모델 및 동적 버퍼 할당 설계)

  • Jeon, Young-Jun;Hwang, Hee-Joung
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.15 no.6
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    • pp.187-193
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    • 2015
  • The ICT healing platform sets a couple of goals including preventing chronic diseases and sending out early disease warnings based on personal information such as bio-signals and life habits. The 2-step open system(TOS) had a relay designed between the healing platform and the storage of personal health data. It also took into account a publish/subscribe(pub/sub) service based on large-scale connections to transmit(monitor) the data processing process in real time. In the early design of TOS pub/sub, however, the same buffers were allocated regardless of connection idling and type of message in order to encode connection messages into a deflate algorithm. Proposed in this study, the dynamic buffer allocation was performed as follows: the message transmission type of each connection was first put to queuing; each queue was extracted for its feature, computed, and converted into vector through tf-idf, then being entered into a k-means cluster and forming a cluster; connections categorized under a certain cluster would re-allocate the resources according to the resource table of the cluster; the centroid of each cluster would select a queuing pattern to represent the cluster in advance and present it as a resource reference table(encoding efficiency by the buffer sizes); and the proposed design would perform trade-off between the calculation resources and the network bandwidth for cluster and feature calculations to efficiently allocate the encoding buffer resources of TOS to the network connections, thus contributing to the increased tps(number of real-time data processing and monitoring connections per unit hour) of TOS.

Development of the Web-based Participation IoT Service Brokering Platform (웹 기반 참여형 IoT 서비스 브로커링 플랫폼 개발)

  • Lee, Jun-Young;Choi, Hoan-Suk;Rhee, Woo-Seop
    • The Journal of the Korea Contents Association
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    • v.15 no.2
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    • pp.40-57
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    • 2015
  • IoT is the foundation technology that the things share the information through connected with Internet to provide service based on these information. It is applied to various fields such as personal, public and industry. Therefore, the service development is required to meet the requirement of the various service environments. The IoT service environment will be developed as the participation IoT service environment which increase the value and efficiency such as the Broadcasting and web services changed from the service provider environment to the user participation service. The user can directly reflect their requirements using the user participation IoT service environment. So, the types of IoT services will diverse and accelerate the spread of IoT service. In this paper, we derive the IoT service element through the analysis of various service scenarios, and propose the participation IoT service model and modeling mechanism. It provides the sequential service model and the relation based service model according to the service modeling proficiency of user. The proposed environment provides the web-based user interface that is implemented by the participation IoT service brokering platform.