• Asia pacific journal of information systems
• /
• 제15권3호
• /
• pp.223-241
• /
• 2005

In spite of the rapid growth of mobile multimedia contents market, most of the customers experience inconvenience, lengthy search processes and frustration in searching for the specific multimedia contents they want. These difficulties are attributable to the current mobile Internet service method based on inefficient sequential search. To overcome these difficulties, this paper proposes a MOBIIe COntents Recommender System for Movie(MOBICORS-Movie), which is designed to reduce customers' search efforts in finding desired movies on the mobile Internet. MOBICORS-Movie consists of three agents: CF(Collaborative Filtering), CBIR(Content-Based Information Retrieval) and RF(Relevance Feedback). These agents collaborate each other to support a customer in finding a desired movie by generating personalized recommendations of movies. To verify the performance of MOBICORS-Movie, the simulation-based experiments were conducted. The results from this experiments show that MOBICORS-Movie significantly reduces the customer's search effort and can be a realistic solution for movie recommendation in the mobile Internet environment.

• 전자통신동향분석
• /
• 제36권6호
• /
• pp.25-35
• /
• 2021

ATSC 3.0 is a next-generation terrestrial broadcasting standard that provides various functions and improved performance compared to the existing ATSC 1.0 High Definition standard. Based on the ATSC 3.0 broadcast system with IP-centric transport and coherence, it can provide personalized and personalized interactive services to TV viewers. However, the broadcasting system still has a structural limitation in that the service is deployed separately from broadcasters who are allocated a specific frequency and is expected to have different spectrum allocation for each market. To overcome this structural limitation and provide improved services compared with the current ATSC 3.0, preliminary studies were conducted to apply the core network concept of a communication network (particularly 5G) to ATSC 3.0 broadcasting. Finally, in february of this year, the ATSC TG3/S43 group for the development of the ATSC 3.0 Broadcast Core Network (BCN) standard was launched. This paper describes the background and current status of BCN standardization by ATSC TG3/S43, and future standardization prospects.

• Journal of Communications and Networks
• /
• 제17권1호
• /
• pp.67-74
• /
• 2015

In this paper, we propose a web-based content syndication system in which users can easily choose Internet protocol television (IPTV) contents. This system generates personalized content guide to provide a list of IPTV contents with respect to users' interests and statistics information of their online social community. For this, IPTV contents and relevant metadata are collected from various sources and transformed. Then, the service and content metadata are processed by user metadata including audience measurement and community metadata. The metadata flows are separated from content flows of transport network. The implementation of IPTV content syndication system demonstrates how to arrange IPTV contents efficiently from content providers to the end user's screen. We also show that the user metadata including online community information are important for the system's performance and the user's satisfaction.

• 정보처리학회논문지B
• /
• 제13B권4호
• /
• pp.421-428
• /
• 2006

Intelligent Tutoring System(ITS)이 다양한 학습자 변인을 고려한 개별화된 학습 환경을 제공하여 영역 전문가를 대신할 효율적인 대안으로 인식되어짐에 따라, Learning Companion System(LCS)에 대한 연구도 긍정적으로 검토되어지고 있다. 하지만 LCS에서의 원활한 상호작용을 위해서는 동일한 역할을 하는 복수 LC의 결합이 필요하고, 이는 개별적 지식베이스의 확보를 선행 조건으로 요구한다. 따라서 본 연구에서는 인지구조의 연결주의적 관점을 근거로, 지식베이스 자체의 자기 학습(self learning)이 가능하고, 지식베이스 객체의 소유자에 의해 적응적으로 성장 가능한 지식베이스 객체 모형을 설계하고, 이를 검증하였다. 이 지식베이스 객체 모형은 개별적 지식베이스의 구축을 가능하게 하여, 지식베이스 객체를 이용한 적응적 ITS 개발의 기회를 제공한다.

• 경영정보학연구
• /
• 제6권2호
• /
• pp.161-179
• /
• 2004

본 연구는 중소형 e-Learning시스템의 개발을 위한 실질적 경험을 제시하는 데 목적이 있다. 제안된 시스템은 교수자로 하여금 전문적인 컴퓨팅 관련 기술의 도움없이 인터페이스를 정의하고, 컨텐츠를 조직화하며, 문제의 출제 및 자동 채점이 가능하도록 설계되었다. 본 연구는 e-Learning의 도입을 어렵게 느끼거나, 학교당국의 정책적 결정에 의해서 수용하겠다는 교육현장의 교수자가 타인의 도움없이 본인 스스로 구현할 수 있는 방안을 제시한다. 또한, 교수-학습자 간의 상호작용이 가능하고 개인적으로 운영할 수 있는 저비용, 고효율의 e-Learning기반 사이트를 실질적으로 구현하고 운영할 수 있는 방안을 제안한다.

• International Journal of Internet, Broadcasting and Communication
• /
• 제11권4호
• /
• pp.11-17
• /
• 2019

Plantar pressure data can be used not only for walking patterns in daily life, but also for eating, health care, and disease prevention. For this reason, the importance of plantar pressure measurement has recently increased. However, most systems that can measure both static and dynamic plantar pressure at the same time are expensive, not portable, and not universal. In this study, we propose a system that effectively reduces the number of sensors in plantar pressure system. Through this, we want to increase the economics and practicality by reducing the size and weight of the system, as well as the power consumption. First, for static plantar pressure and dynamic plantar pressure, the values measured by existing precision instruments are analyzed to determine how many measurement parts the insole is divided into. Next, for the divided measuring parts, the position of the sensor is determined by calculating the Center of Pressure (COP) for each part with the values of all dynamic and static plantar pressure sensors. Finally, in order to construct a personalized plantar pressure measurement system, we propose a weighting method for the static plantar pressure COP and the dynamic plantar pressure COP for each part.

• 한국섬유공학회:학술대회논문집
• /
• 한국섬유공학회 2003년도 The Korea-Japan Joint Symposium
• /
• pp.112-112
• /
• 2003

A Web-based fabric information system has been developed. Recently the numbers of textile companies that have their own homepage to advertise their product fabrics for apparel through the Web-based E-commerce rapidly increase.(omitted)

• 한국정보기술응용학회:학술대회논문집
• /
• 한국정보기술응용학회 2007년도 추계 국제학술대회
• /
• pp.143-143
• /
• 2007

• 한국융합학회논문지
• /
• 제11권11호
• /
• pp.19-24
• /
• 2020

최근, 애완동물의 급격한 증가로 애완동물의 건강상태 체크와 다양하게 수집된 데이터를 활용하여 사료 추천 등 통합적인 애완동물관련 개인화 상품 추천 서비스가 요구된다. 본 논문은 빅 데이터 기술을 활용하여 애완동물관련 데이터 수집, 전처리, 분석, 관리등 다양한 개인화서비스를 할 수 있는 상품 추천시스템을 구현한다. 먼저, 애완동물이 착용하고 있는 센서 정보와 고객의 구매 패턴, SNS 정보를 수집해 데이터베이스에 저장하고 통계적 분석을 활용하여 사료제작, 애완동물 건강관리 등 맞춤형 개인화 추천 서비스가 가능한 플랫폼을 구현한다. 본 플랫폼은 유사도가 분석될 상품과 상품정보에 대한 유사도 상품 정보를 출력하고 최종적으로 추천 분석한 결과를 출력하여 고객에게 정보를 제공 할 수 있다.

• International journal of advanced smart convergence
• /
• 제12권4호
• /
• pp.104-110
• /
• 2023

In the user-centered design paradigm, information systems are created entirely tailored to the users who will use them. When the functions of a complex system meet a simple user interface, users can use the system conveniently. While web personalization services are emerging as a major trend in portal services, portal companies are competing for a second service, such as introducing 'integrated communication platforms'. Until now, the role of the portal has been content and search, but this time, the goal is to create and provide the personalized services that users want through a single platform. Personalization service is a login-based cloud computing service. It has the characteristic of being able to enjoy the same experience at any time in any space with internet access. Personalized web services like this have the advantage of attracting highly loyal users, making them a new service trend that portal companies are paying attention to. Researchers spend a lot of time collecting research-related information by accessing multiple information sources. There is a need to automatically build interest information profiles for each researcher based on personal presentation materials (papers, research projects, patents). There is a need to provide an advanced customized information service that regularly provides the latest information matched with various information sources. Continuous modification and supplementation of each researcher's information profile of interest is the most important factor in increasing suitability when searching for information. As researchers' interest in unstructured information such as technology markets and research trends is gradually increasing from standardized academic information such as patents, it is necessary to expand information sources such as cutting-edge technology markets and research trends. Through this, it is possible to shorten the time required to search and obtain the latest information for research purposes. The interest information profile for each researcher that has already been established can be used in the future to determine the degree of relationship between researchers and to build a database. If this customized information service continues to be provided, it will be useful for research activities.