• The KIPS Transactions:PartA
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• v.11A no.3
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• pp.129-138
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• 2004

Even though the Internet applications such as e-mail and FTP are widely used, fax is still an important media for data communications till today. Many researches on security over the Internet data communication have been done over the years, on the other hand not many researches have been dedicated to the fax security issue which is as important as the Internet. In this paper, we describe the development of hardware and software of the embedded security fax server which increases the security in supporting existing fax. The developed system is designed and implemented to maintain security while minimizing the delay due to encryptionㆍdecryption. Since there's international or domestic tryptographic standard and each nation have their policy to restrict the use of cryptographic system, we adopt domestic standard cryptographic protocol admitted in Korea. And the system supports two modes： Security mode and Non-Security mode that user can choose from. The system can be applied directly which is the requirements of users at company ,End the government. We verify the performance and functioning of the system in various real environment.

• Journal of Internet Computing and Services
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• v.9 no.1
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• pp.69-78
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• 2008

Finance, Securities, banking system provides information through Internet, DM SMS, IVR, E-mail and FAX for customer. Customers can use multi channel. Enterprise requires Host transaction and transparency for DB processing, This paper provides two contributions to the study. First, we discuss Server of Fire insurance (finance, securities and capital, bank system) in Enterprise. Second, we present Real time monitoring system for customer transparency. Finally, we design and implement the proposed system. These techniques can be efficiently supported in CRM(Customer Relationship Management).

• Journal of the Korea Institute of Information and Communication Engineering
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• v.10 no.2
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• pp.344-352
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• 2006

We developed the facsimile encryption system that could send/receive the cipher text and plain text automatically. This facsimile encryption system is adopting the 128bits SEED encryption algorithm, 1024bits modular and 256bits exponential Diffie-Hellman key exchange method. We can reduce the cipher text transmitting time by developing the Dual Facsimile Server, it can make the real time encryption communication. Key is safely exchanged by the exchanging the listed serial numbers when the Diffie-Hellman key exchanging.

• Journal of KIISE:Information Networking
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• v.30 no.5
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• pp.621-630
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• 2003

In this paper, we implemented SIP protocol that supports IPv6 and differentiated call processing scheme for NGN(Next Regeneration Network). In NGN, SIP processes call signaling among various application services. A softswitch and SIP server must give priority to sensitive services such as Fax, network management and home networking that require a fast call setup time. Also, the support of IPv6 is needed under consideration of All-IP. We proposed differentiated call processing scheme. The differentiated call processing scheme supports differentiated call processing as priority of service class on call processing in SW server We defined three service classes and use the Flow Label field of the IPv6 header for setting service class. Through the performance analysis, we proved that it improves throughput for call message with the high priority. The result of performance analysis demonstrates that differentiated call processing scheme gives better performance for the service requiring a fast session establishment in NGN.

• Proceedings of the Korea Information Processing Society Conference
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• 2001.10b
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• pp.1569-1572
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• 2001

현재 무선 환경에서의 인터넷 사용에 대한 수요는 폭발적으로 증가하고 있으며 이에 따라 각종 무선 휴대 장치가 빠른 속도로 보급되고 있다. 이와 동시에 WAP 포럼에서 제정한 WML(Wireless Markup Language)을 사용하여 저작된 무선 컨텐츠의 양적, 질적 성장 또한 이뤄지고 있으며, 대형 무선 컨텐츠 제공업체들도 속속 등장하고 있는 추세이다. 따라서 본 논문에서는 WML을 사용하여 대형 무선 컨텐츠를 저작한 때 요구되어지는 기능인 다수 개발자의 동시 저작 기능과 WML 문서내의 링크 및 실시간 Push 서비스, CGI, PERL 스크립트, voice Mail, Fax, E-Mail 템플릿 자동생성 등을 지원하는 WML 저작도구의 설계 및 구현에 대하여 논한다.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2012.05a
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• pp.107-109
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• 2012

It is a very important to manage inventory quickly and accurately in Refrigerated commercial warehouses in which a lot of logistics are often shipping and receiving. Because most of systems for managing refrigerated warehouses consist of COBOL, it will be raised maintenance costs. There is no service for consignees who are consumer of refrigerated warehouses and they use only a fax or a phone for orders. In this paper, we design a mobile framework based on smart phones and supporting a variety of value-added services which are fit consignees, solving problem of outdated legacy systems and no services for consignees. We also implement the mobile framework which is consists of the JSP server and the android clients.

• Journal of the Korea Institute of Information Security & Cryptology
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• v.20 no.6
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• pp.23-32
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• 2010

Caused by the development of IT environment, the frequency of using the embedded machines is increasing in our regular life. A typical example of these embedded machines is a Multi Function Copier and it has various functions; it is used as copier, scanner, fax machine, and file server. We would like to check the existence of and the way to abstract the data that may have been saved through using the scanner of the multi function printer and discuss how to use those data as the evidence.

• 한국노년학
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• v.32 no.2
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• pp.467-485
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• 2012

National Health Insurance Corporation initiated Home and Community Long-term care Agency Quality Assessment(HCLA-QA) program in 2010. This study aims to explore long-term care agencies' perceptions and attitudes toward HCLA-QA program, focused on the home-visit care agencies. Total 473 agencies completed the questionnaires(response rate 13.6%), using the e-mail and fax survey methods with high-capacity web-fax server of NHIC. On the results of this study, we found the agencies' different perceptions and attitudes on HCLA-QA program according to their quality ratings as QA results. Compared to the agencies with low quality ratings, the agencies with high quality ratings tend to have more time for preparation, better understandings about HCLA-QA program, more positive perceptions that quality indicators generally are valid, and more affirmative attitudes that the notifications of QA results are helpful for agencies. Our findings can be very useful for establishing strategies for improving the HCLA-QA program. The policy makers, the insurer, and the agencies need to consider the opinions of the agencies with high quality ratings as well as the ones with low quality ratings.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.17 no.2
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• pp.341-346
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• 2013

Refrigerated warehouse inventory management program which manages the logistics of shipping&receiving and inventory quickly and accurately is a costly and labor-intensive maintenance because it is operated in the legacy system on a closed client-server environment. There are no services available for consignees who are the consumers of refrigerated warehouses except fax or phone for orders which makes the business process inefficient and creates many problems such as error and inaccuracy. In this paper, we design and implement a mobile framework with a legacy system supporting various services to the consignees for solving problems of outdated legacy systems and no services to use. The system supports promptness and accuracy which give the users improved satisfaction by providing orders and queries of inventory for the consignees on mobile devices.