• 경영과학
• /
• 제17권2호
• /
• pp.97-113
• /
• 2000

The introduction of client server systems raises some serious IS control concerns. Although client server systems increase system flexibility and compatibility, and facilitates system downsizing and process restructuring, multiple operating systems, database management systems, and platforms of client-server system increase th potential exposures and risks of the system. It is needed to recommend the effective control framework to mitigate risks. This paper suggests risks and control framework for client server system. The results of two case studies indicate that program and database management are important as program and data should be located and maintained in client and servers. It becomes difficult to manage divided programs and data logic that are distributed across clients and servers that have different platforms. The case studies of two banks show that the extent of distribution of program and data logic affects the importance of program and database management controls.

• 한국정밀공학회:학술대회논문집
• /
• 한국정밀공학회 2000년도 추계학술대회 논문집
• /
• pp.674-677
• /
• 2000

This paper describes a remote monitoring and control system using mobile internet environments through TCP/IP. The server program acts as the main interface between the machine system and the internet technology. The client program is to be distributed to the remote users such as PDA who want to monitor the machine status. A server system is designed to send information of the faults and status of application system to the client part. Therefore, The client parts can take measures and control the system remotely according to the error and faults of system. We developed the client- serversystem for remote control of a green house environment.

• 국제학술발표논문집
• /
• The 1th International Conference on Construction Engineering and Project Management
• /
• pp.774-779
• /
• 2005

Client requirements is a concept with increasing interest in relation to several outcomes of companies, and in particular, in the event of apartment project that takes large share in the domestic construction industry, diverse angle of survey is performed to discover the client requirements and reflect them to the project to improve the quality. For this purpose, it is required to learn the client requirements and apply it in the apartment project, and the QFD (Quality Function Deployment) linked ROQ (Return On Quality) is a technique used in the manufacturing that surveys the client requirements to improve the customer satisfaction, and apply it to the quality improvement program to improve the profitability in this process. In this study, through the application of the ROQ process, the plan to improve the apartment quality management is presented. For this purpose, the consumer interview survey, FGI (focus group interview) survey and the client requirements are analyzed, and thereafter, through the interview with the specialist, the quality improvement program that enables the application to the product development of new apartment product is established. Through this process, the new apartment quality management improvement plan is presented.

• 사회복지연구
• /
• 제42권1호
• /
• pp.151-177
• /
• 2011

바우처 사회서비스가 확대되면서 서비스 성과가 강조됨에 따라 성과평가에 대한 학문적·실천적 관심도 증가하고 있다. 이에 이용자들의 서비스 만족도 조사가 확대되고 있으나 아직 바우처 서비스 이용자들을 대상으로 한 만족도에 대한 연구는 체계적으로 진행되지 못하고 있다. 이에 본 연구는 보건복지부에서 시행하고 있는 지역사회서비스투자사업(지역개발형)의 바우처 서비스 이용자를 대상으로 하여 서비스 만족도 지표를 개발하려는 연구목적으로 진행되었다. 분석자료는 2009년 5월 현재 지역개발형 바우처 서비스 이용자 1800명을 대상으로 한 설문을 활용하였다. 기존의 만족도 연구에서 사용되고 있는 만족도의 유형과 측정방식, 측정도구를 정리하고 바우처 특성을 반영한 요소만족도 지표를 구성하였다. 우선 요소만족도 구성문항들은 문항분석과 신뢰도 분석을 통해 동질적인 문항들로 구성되어 있음이 확인되었다. 요소만족도와 체감만족도를 활용하여 종합만족도를 도출하였으며 수렴타당도와 판별타당도 평가를 통해 만족도 평가도구로서의 타당성을 확인하였다. 본 연구 결과, 종합만족도를 산출하는 방식에 있어 체감만족도를 요소만족도의 가중치 선정에만 활용하는 방식과 체감만족도를 요소만족도의 가중치 선정뿐만 아니라 종합만족도 합산시에도 중복적으로 사용하는 방식 간에 있어서 만족도 지수의 차이가 거의 없음이 확인되었다.

• 융합보안논문지
• /
• 제12권6호
• /
• pp.77-84
• /
• 2012

최근 보안 프로그램은 웹 인증에 있어, 클라이언트 시스템의 보안성 향상을 위해 널리 사용되고 있다. 보안 프로그램은 키보드 보안 기능과 인증서 관리, 백신, 방화벽 등의 기능들을 제공하고 있다. 특히 보안을 요하는 금융기관이나, 정부기관, 그리고 일부 민간 기업용 홈 페이지 등에서 사용되고 있으며, 프로그램 설치를 위해 ActiveX가 사용되고 있다. 그러나 보안 프로그램으로 인한 여러 보안 취약점과 문제점들이 나타나면서, 클라이언트 시스템의 안전성을 위협하고 있다. 따라서 본 논문은 보안 프로그램에 따른 취약점과 문제점을 사례연구 및 실험을 통해 분석함으로써, 향후 보안 프로그램의 성능향상 및 새로운 인증체계의 구축을 위한 자료로 활용될 것으로 기대한다.

• 대한간호학회지
• /
• 제52권2호
• /
• pp.202-213
• /
• 2022

Purpose: This study examined characteristics and patterns of interorganizational networks for smoking prevention and cessation in Korea. Methods: We surveyed two community health centers, ninety-five hospitals or clinics, ninety- two pharmacies, and sixty-five health welfare organizations in two districts of Seoul in 2020. Data on the organizations' characteristics of smoking cessation and interorganizational activities for information sharing, client referral, and program collaboration were collected and analyzed using network statistics and blockmodeling. Results: Network size was in the order of information sharing, client referral, and program collaboration networks. Network patterns for interorganizational activities on information sharing, client referral, and program collaboration among four organizations were similar between the two districts. Community health centers provided information and received clients from a majority of the organizations. Their interactions were not unidirectional but mutual with other organizations. Pharmacies were involved in information sharing with health welfare organizations and client referrals to hospitals or clinics. Health welfare organizations were primarily connected with the community health centers for client referrals and program collaboration. Conclusion: A community health center is the lead agency in interorganizational activities for smoking prevention and cessation. However, hospitals or clinics, pharmacies, and health welfare organizations also participate in interorganizational networks for smoking prevention and cessation with diverse roles. This study would be evidence for developing future interorganizational networks for smoking prevention and cessation.

• 제어로봇시스템학회논문지
• /
• 제10권9호
• /
• pp.847-854
• /
• 2004

In this paper, It is studied to control and to monitor the remote system state using HTTP(Hyper Text Transfer Protocol) object communication. The remote control system is controlled by using a web browser or a application program. This system is organized by three different part depending on functionality-server part, client part, controller part. The java technology is used to composite the server part and the client part and C language is used for a controller. The server part is waiting for the request of client part and then the request is reached, the server part saves client data to the database and send a command set to the client part. The administrator can control the remote system just using a web browser. Remote part is worked by timer that is activated per 1 second. It gets the measurement data of the controller part, and then send the request to the server part and get a command set in the command repository of server part using the client ID. After interpreting the command set, the client part transfers the command set to the controller part. Controller part can be activated by the client part. If send command is transmitted by the client part, it sends sensor monitoring data to the client part and command set is transmitted then setting up the value of the controlled system.

• 한국정밀공학회:학술대회논문집
• /
• 한국정밀공학회 2000년도 춘계학술대회 논문집
• /
• pp.952-955
• /
• 2000

Nowadays, Internet is so popular that we can easily access the remote site to search information and to communicate remote site and users. People who want to make a collaborate working environment can use JAVA, CORBA, and other internet programming tools like a Perl/XML. The mechanist are try to make the environment fur collaboration within design/manufacturing, simulation, remote sensing through TCP/IP And many industries and research institutions are working towards the agile manufacturing. This paper describes an internet-based real-Time remote monitoring system. The system consists of a hardware setup and a software interface. The hardware setup consists of a machine and its data acquisition hardware, while the software interface incorporates the data acquisition software, the server program, and the client program. The server program acts as the main interface between the data acquisition system and the internet technology. The client program is to be distributed to the remote users who want to monitor the machining status. The system has been demonstrated and verified for an industrial High-Speed Machine (HSM) especially measuring cutting force and acoustic emission. To share the signal, we make the WWW server and display its value. The system has been found to be highly efficient, reliable and accurate.

• 한국방사선학회논문지
• /
• 제8권1호
• /
• pp.43-49
• /
• 2014

PACS에서 용량이 큰 의료영상은 대용량 저장장치를 필요로 하고, 느린 전송으로 인하여 PACS의 성능을 저하시킨다. 따라서 판독의에 의해 판독되어진 영상이나 장기간 저장하는 영상의 질을 떨어뜨리지 않고, 추후 판독에 영향을 주지 않는 범위 내에서 압축하여 보관하게 된다. 압축 및 영상 저장 전송 시 발생되는 noise과 영상저장 및 전송 시 발생하는 정보손실 그리고 의료영상을 모니터에서 출력 시 발생하는 화질저하 등 많은 문제점 들이 발생한다. 본 연구는 P사 DSA 시스템의 Server display monitor와 Client display monitor의 PSNR을 평가하여 Server display 신호획득에서 부터 Client display monitor까지의 과정에서 발생하는 PSNR에 대한 평가 및 개선방안을 제안하고자 한다. 실험에 사용한 장비는 P사 DSA를 사용하였다. 혈관조영술 영상을 display하여 실험에 사용한 모니터로는 2가지로써 P사의 해상도 $1280{\times}1024$ 픽셀 모니터와 W사의 해상도 $1536{\times}2048$ 픽셀 모니터를 사용하였다. PACS Program은 MARO-view를 이용하였고 실험을 위해서 Visual $C^{++}$을 이용한 PSNR 측정 Program을 구현하여 실험에 사용하였다. 실험결과 No 1, 3번의 PSNR에 변화가 없는 것은 영상의 전송과 디스플레이 상에 Error가 없는 것으로 나타났으며, 압축률에서는 압축률이 낮은 쪽이 화질저하가 적었고, 영상의 손실 차이가 미미해 압축률에 따른 큰 문제점은 발견되지 않았다.

• 한국정보처리학회논문지
• /
• 제6권3호
• /
• pp.641-653
• /
• 1999

The paper is design and implementation of the system to support security communication between a Web Browser and a CGI program by a Web Server using PKI(Public Key Infrastructure. This system uses GSS(Generic Security Service)-API to communicate with PKI, offers a Web user a Client Proxy, and offers a CGI developer there library functions related with security. TLS(Transport Layer Security) supports security communication between a Web Browser and a Web Server, but the system supports security communication between a Web Browser and a CGI program as the protected data received from a Client Proxy are sent to a CGI program, and the CGI program decrypts the data using the library functions supported by this system.