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위치기반 서비스(LBS, Location-Based Services)
최혜옥 한국정보통신기술협회 2003 TTA저널 Vol.86 No.-
본 고에서는 차세대 정보통신 핵심기술과 서비스로 대두되고 있는 위치기반 서비스 기술 및 표준화 동향에 대하여 서술한다. 통합기술로의 위치기반 서비스를 위한 기술과 국내외 서비스 현황, 관련 기술에 대한 국내외 표준화 동향을 소개하고, LBS 표준화포럼을 통하여 진행되고 있는 국내 LBS 표준화 활동에 대하여 기술한다.
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공간정보 상호운용성 지원을 위한 컴포넌트 기반의 개방형 GIS 소프트웨어
최혜옥,김광수,이종훈,Choe, Hye-Ok,Kim, Gwang-Su,Lee, Jong-Hun 한국정보처리학회 2001 정보처리학회논문지D Vol.8 No.6
최근의 정보기술은 특정 시스템 환경이나 정보구조에 의존하지 않고 정보를 공유할 수 있도록 하는 개방형 아키텍처, 소프트웨어의 재사용을 지원하는 컴포넌트와 인터넷상에서의 실시간 멀티미디어 정보 서비스를 지향하여 발전하고 있다. 지구 공간상에 존재하는 자연, 도로, 건물, 시설물 등의 공간정보를 다루는 지리정보시스템은 정보 구축의 복잡성과 정보포맷 및 처리기술의 다양화로 정보의 상호호환 및 재사용이 특히 요구되고 있는 분야이다. 본 논문은 컴포넌트 기반의 개방형 GIS 소프트웨어 기술 개발에 관한 것으로 최근 정보기술 변화의 큰 축인 개방형 시스템과 소프트웨어의 컴포넌트 추세를 GIS에 접목하여 공간정보의 상호 운용성을 지원하고 다양한 GIS 응용시스템 구축을 효율적으로 지원하는 GIS 미들웨어 개발을 목표로 하였다. GIS 분야의 기술표준기구인 OGC(Open GIS Consortium)에서 제안한 분산 개방형 공간정보처리 아키텍처를 수용하고, 다양한 응용에의 신축적인 대응을 위하여 GIS 요소기술을 제공하는 각 기능별 컴포넌트를 개발하였다. 시스템 구성은 다양한 지리정보원에 일관적인 방법으로의 접속을 위한 데이터 제공자 컴포넌트, GIS 요소기술을 제공하는 핵심공통 컴포넌트, 그리고 분산환경에서의 공간정보 유통을 지원하는 정보유통 컴포넌트로 구성되며, 이들 컴포넌트의 조합으로 5종류 지방자치단체 GIS 응용시스템을 구축하였다. OLE COM 기반의 컴포넌트 소프트웨어로 MS Windows 환경에서 ATL COM으로 개발되었으며, 20여개의 컴포넌트로 구성된다. 개발된 컴포넌트 소프트웨어는 지방자치단체간의 공간정보 통합운용을 위한 정보유통 시범사업의 기반기술로 활용되어 기술의 중요성 및 우수성이 확인되었으며, 현재 7대 지하시설물 통합관리시스템 구축 시범사업의 기반기술로 활용되고 있다. The Information Technology has progressed to the open architecture, component, and multimedia services under Internet, ensuring interoperability, reusability, and realtime. The GIS is a system processing geo-spatial information such as natural resources, buildings, roads, and many kinds of facilities in the earth. The spatial information featured by complexity and diversity requires interoperability and reusability of pre-built databases under open architecture. This paper is for the development of component based open GIS Software. The goal of the open GIS component software is a middleware of GIS combining technology of open architecture and component ensuring interoperability of spatial information and reusability of elementary pieces of GIS software. The open GIS component conforms to the distributed open architecture for spatial information proposed by OGC (Open GIS Consortium). The system consists of data provider components, kernel (MapBase) components, clearinghouse components and five kinds of GIS application of local governments. The data provider component places a unique OLE DB interface to connect and access diverse data sources independent of their formats and locations. The MapBase component supports core and common technology of GIS feasible for various applications. The clearinghouse component provides functionality about discovery and access of spatial information under Internet. The system is implemented using ATL/COM and Visual C++ under MicroSoft's Windows environment and consisted of more than 20 components. As we made case study for KSDI (Korea Spatial Data Infrastructure) sharing spatial information between local governments, the advantage of component based open GIS software was proved. Now, we are undertaking another case study for sharing seven kinds of underground facilities using the open GIS component software.
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간호대학생의 스트레스, 자기효능감이 코로나19 예방행위 수행도에 미치는 영향
최혜옥,김미혜 한국보건기초의학회 2022 한국보건기초의학회지 Vol.15 No.2
This study was attempted to find out the influencing factors on the performance of COVID-19 preventive behaviors by examining the degree of stress, self-efficacy, and performance of COVID-19 preventive behaviors of nursing students and identifying their correlations. 207 nursing students were analyzed using descriptive statistics, t-test, ANOVA, and multiple regression analysis. Stress was found to be positively correlated with self-efficacy (r=.372, p<.001) and performance of COVID-19 preventive behaviors (r=.233, p<.001). Self-efficacy showed a positive correlation with the performance of COVID-19 preventive behaviors (r=.308, p<.001). Self-efficacy showed a positive correlation with the performance of COVID-19 prevention behaviors (r=.308, p<.001). The higher the self-efficacy, the higher the degree of COVID-19 preventive behaviors, and it was found to explain 11% of the degree of COVID-19 prevention behaviors. Based on the results of this study, future research is needed to reconfirm the degree of COVID-19 stress in nursing students and to identify the influencing factors of preventive behaviors against infectious diseases in the event of continuous outbreaks of infectious diseases such as COVID-19. In addition, we suggest the development and application of programs that can reduce stress against COVID-19 and improve self-efficacy.
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崔蕙玉,孫喜順 복식문화학회 2000 服飾文化硏究 Vol.8 No.3
The purpose of this research was to of for basic data for study of men's suits by investigating the buying conditions of men's suits. For data collection, a questionnaire was composed of a purchasing price, a purchasing place, the source of the information, the reason of the suit buying, a standard for choice, recognition of the ready-made suit's size and a number of suits they buy etc. The subjects of this research were male who aged 20 ∼ 59 and resided in Seoul and the capital region. The results of the research were summarized as the following : 1. Most of the men purchased a ready-made suit rather than a custom suit and a easy-order suit because of the convenience for buying. But the elder was tend to purchase a custom suit than the younger. And the reason of custom suit or easy-order suit buying was size for fitness. 2. It was usually done in a department store and an agency as a purchasing place. The men who resided in Seoul used a department store more than ones who resided in the capital region. Most of the men used bargain sale. The source of the information of suits came principally himself and a wie. Most of the men purchased the suits with their wives of themselves. The elder depended upon their wives for buying suit than the younger. The standards for buying the ready-made suit were color, style and price. The number of suit they buy in a year was 0.9 suits for S/F, 0.7 suits for winter, 0.4 suits for summer and 0.2 suits for combination. The main purchasing price was 150,000 ∼250,000 won. 3. Most of the consummer was to be satisfied a sense of wearing, color, design etc, but they ware not to be satisfied price, A/S, size etc for ready-made suits, And they usally didn't know the size of ready-made suits.
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