• Proceedings of the Korea Information Processing Society Conference
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• 2014.11a
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• pp.1054-1056
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• 2014

Means reducing the gap to prevent discomfort to use information from the perspective of Web accessibility is disabled. The current was strong sanctions that have been implemented from the year 2014 to the beginning Government, the public policy of the Web Accessibility Web accessibility compliance obligations. According to 2013 data of the Korea Information Security Agency is only half that of the general public by 28.8% to 100% of the domestic SNS public utilization. Began to cause a change in the web environment and the emergence of mobile SNS. And is a factor that interferes with utilization of the informational content to be neglected Prosumer the environment of their production is consumed too quickly, rapidly problem. Let's start from the idea that we provide a convenient tool for Web accessibility is not an issue on the web site accessibility standards of the project is to create these problems.

• Journal of Intelligence and Information Systems
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• v.9 no.1
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• pp.211-225
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• 2003

This paper aims at the design of collaborative architecture for business to business (B2B) applications based on Web service protocol. As different business processes should be interfaced in the B2B environment collaboration is important fur the success of B2B implementation. For the development tools, XML, Web services and ASP.NET were adopted Web services are emerging to provide a systematic and extensible framework for application-to-application interaction. The Web services framework is divided into three areas; communication protocols, service descriptions and Web discovery. Web services such as SOAP, WSDL and UDDI correspond to the three areas respectively. ASP.NET is utilized which corresponds to the component and service set located in the top layer of .NET. For the service of product category and product details, Web service architecture was implemented based upon the SQL server database.

• Proceedings of the Korean Information Science Society Conference
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• 2000.10a
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• pp.305-307
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• 2000

이 논문은 OGC에서 제안하는 3계층 구조의 웹 매핑 테스트베드(Web Mapping Testbed) 환경에서 각 계층간의 통신량과 데이터 변화량으로 인한 속도 저하 문제를 해결하고자 한다. 이를 위해, 다수의 클라이언트가 일정 시간 내에 공통으로 접근하는 지도 영역에 대한 미들웨어 컴포넌트들의 중복된 작업 수를 줄이기 위해 맵 서버 컴포넌트들 간에 공유 캐쉬를 사용하는 구조를 설계 및 구현한다. 이 논문에서 제시하는 미들웨어의 캐쉬 구조는 전체 데이터 세트의 영역을 일정 간격의 그리드 셀로 나누어 관리함으로써 캐쉬 단위의 관리 비용을 줄이고 캐쉬를 효율적으로 사용한다. 또한, 기존의 교체 전략 기법을 접목하여, 다수의 클라이언트의 관심 대상인 영역을 중심으로 캐쉬를 유지하기 위해 접근 빈도수와 최근 사용 시간을 고려한 교체 전략을 사용한다.

• Journal of the Korea Society of Computer and Information
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• v.13 no.7
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• pp.127-138
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• 2008

Configuration and data management system for weapon system research and development processes should assist concurrent engineering and collaboration activities for various documents, drawings, part informations and product structure informations. In this thesis we defined the system architecture using the CBD methodology and implemented the component based system development process. Most of the configuration and data management systems consist of three layered system architecture which use the general MVC models. In this thesis we defined four layered system architecture based on EJB structure under J2EE environments. Through the four layered system architecture, we break down the general model layer into two detailed business layers and the ordinary control layer into two system dependent layers. With these four layers, we proposed the methodology that detailed the characteristics of the components. Through the CBD approach and the component based development process, we can get the representation model and implement the actual system of the configuration and data management system for weapon system R&D.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2018.11a
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• pp.304-306
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• 2018

이 연구는 해양휴양복지 해양치유에 대한 국민인식조사를 통해 실제적이고 효과적인 정책 수립을 뒷받침할 기초자료와 근거를 확보하고자 했다. 2018년 8월 2일부터 9일까지 1주일간 웹과 모바일을 통해 조사한 557명의 응답자 중 82.9%는 해양수산부의 해양휴양복지 서비스 제공이 필요하다고 생각하며, 85.6%가 이용할 의향이 있다고 답했다. 응답자의 91.6%는 해양치유를 체험할 의향이 있으며 특히 바다 경관이 주는 스트레스 완화와 신체건강 증진 효과에 기대가 높았다. 응답자들은 해양휴양복지 서비스 대상은 사회경제적 취약계층과 자살 중독방지, 지역주민을 우선적으로 고려해야 한다고 보았다. 또한 해양치유 공간과 시설, 이용 요금, 안전과 환경 등 해양치유 참여 시 실제적이고 직접적으로 관련된 요소를 중요하게 고려하며, 접근성보다는 주변환경, 질병치료보다는 건강증진에 관심이 있는 것으로 나타났다.

• Convergence Security Journal
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• v.13 no.6
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• pp.77-82
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• 2013

Looking at the recent value change of users and the usage pattern of network users, it is changing from simple web information, one-way information acquisition and data transmission to increase of usage of multimedia, increasing demand for security and customization, and increasing demands for free mobility. Due to this change of demand, the services which were provided individually, developed into a form which is merged, the network also seems to develop into the combined network from the individual network for individual service, and the communication network control technology which is the core technology is also rapidly developing.. This paper propose three path computation scheme that not only use the resources effectively but also to minimize the information transmissions between the multi-layers in a multi-domain environment. This paper also suggested that the optimum path choice be performed through diversification of the path selection using the information of various layers altogether in the multi-layer environment, compared with the established path selection method when the path was selected using the information of each layers.

• Journal of KIISE:Computer Systems and Theory
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• v.33 no.11
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• pp.820-829
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• 2006

Wireless sensor networks consisting of hundreds to thousands of nodes are expected to be increasingly deployed in coming years, as they enable reliable monitoring and analysis of physical worlds. These networks have unique features that are very different from traditional networks, e.g., the numerous numbers of nodes, limitation in power, processing, and memory. Due to these unique features of wireless sensor networks, sensor data management including querying becomes a challenging problem. Furthermore, due to wide popularization of the Internet and its facility in use, it is generally accepted that an unattended network can be efficiently managed and monitored over the Internet. In particular, in order to more efficiently query and manage data in a sensor network. in this paper, the architecture of a sensor gateway including web-based query server is presented and its implementation detail is illustrated. The presented web-based gateway is largely divided into two important parts: Internet part and sensor network part. The sensor network part plays an important role of handling a variety of sensor networks, including flat or hierarchical network architecture, by using internally layered architecture for efficiently querying and managing data in a sensor network. In addition, the Internet part provides a modular gateway function for favorable exchange between the sensor network and Internet.

• Journal of the Korea Society of Computer and Information
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• v.5 no.4
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• pp.96-101
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• 2000

Today, we live in the generation of the information and internet. For progressing the life quality of peoples and the competition of nation. we need new policy for constructing the health and welfare information system. In this study, we inspect and analyze for the information of health and welfare, and suggest the system model for the health and welfare information system(HWIS) on the web-environment, and suggest the database model for managing the information application.

• The KIPS Transactions:PartB
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• v.12B no.7 s.103
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• pp.789-794
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• 2005

The multimedia system using computing environment should support the fast access speed on the large scaled high quality data in the functional side. And it can support interaction and adaptiveness on system users. But it is hard to support it all effectively in the existing multimedia systems. In this paper, we design the multi-tier hybrid multimedia system. The proposed system is based on the characteristics of a multimedia medium, and it has the merits of the CD-ROM based method and the web based method. On the experiments, we verified the efficiency of the proposed system.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2017.10a
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• pp.391-394
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• 2017

Persons with low vision impairment refers to visual and visual impairments that can not be remedied by medical or optical methods due to inherited or acquired eye disease. People with low vision impairments account for more than 240 million people in the world and have only a few remaining eyesight. We will discuss the improvement of information accessibility of low visually impaired people and future research methods through research on Web UI/UX in mobile web environment for low visibility handicapped in the environment where information can be accessed through existing screen reader (TTS) and screen enlargement function.