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보안정책 검증용 사양언어를 위한 파서의 구현 : SPSLP
장재혁,양태연,최용락 대전대학교 산업기술연구소 2001 산업기술연구소 論文集 Vol.12 No.1
It in vary difficult to guarantee the system security when security policy systems have different policy syntax in it. It means that policy data can't be transported correctly because the security negotiation could be failed. So, we have to verify the database of security policy through investigating the syntax and function of the security policy system whether wrong or not. This paper presents the parser, which is developed for the verification of security policy. The implemented SPSL parser makes offers to classify the error, to create the information of the verified security policy used for building the SPS DB and to give both the convenience of management and the flexibility of security policy.
김영덕,정재수,최용락 대전대학교 산업기술연구소 1999 산업기술연구소 論文集 Vol.10 No.1
This study purposes to analyze the configuration of CAs(Certification Authorities) and the operating policy of CAs for cross-trusted authentication services. The CA is an authority trusted by one or more users to create and assign certificates being used to user authentication in the network. In this paper, each country's law related to Electronic Commerce and the requirement of PKI(Public Key Infrastructure) components are analyzed, and the guideline to organize CA mechanism in the domestic is mentioned
Choi Jae-Young,Choi Jeong-Rak,Lee Yung-Seop,Park Seong-Sik The Society of Korean Medicine 2004 대한한의학회지 Vol.25 No.4
Objective : This study was undertaken for discovering the characteristics of sleep in ordinary symptoms based on the Sasang Constitution. The result of this study could be helpful to understand and to identify patients such as Taeumin, Soyangin Soeumin or Taeyangin. Methods : There were 1,229 patients (529 men), who answered the questionnaire about their ordinary sleeping patterns. They were diagnosed, including their clinical Sasang Constitution, by the Sasang Constitution specialist at Bundang Oriental Hospital of Dongguk University. By applying the multinomial and binary logistic regression analysis to those collected materials, we can measure the characteristics and the influence of ordinary sleeping patterns to the dependent variable (Sasang Constitution). Results : In order of the item's influence that had decided one's constitution, between Taeumin and Soeumin, Taeumin snored frequently or well more than Soeumin, Soeumin had more dreams and more sleeping times than Taeumin, and Taeumin struggled frequently or well more than Soeumin. Between Soyangin and Soeumin, Soeumin dreams more frequently than Soyangin, Soyangin snored frequently or well more than Soeumin, and Soeumin has more sleeping times than Taeumin. Between Taeumin and Soyangin, Taeumin snored frequently or well more than Soyangin. Between Taeyangin and a group of the other constitutions, Taeyangin felt unwell after sleeping more than the other constitutions, the other constitutions awaked frequently more than Taeyangin during sleeping. Conclusion : This study will be used for identifying patients as Taeumin, Soyangin, Soeumin or Taeyangin by contrast with each other.
최유락 ( You-rak Choi ),이재철 ( Jae-cheol Lee ),김재희 ( Jae-hee Kim ) 한국정보처리학회 2013 한국정보처리학회 학술대회논문집 Vol.20 No.2
햅틱 기반 로봇 원격제어를 위해서는 힘 반영을 인지할 수 있어야 한다. 원격조종에서는 데이터 통신과 처리에 소요되는 시간에 따른 지연이 발생하는데, 이 시간 지연은 로봇의 충돌과 제어기-로봇간의 힘 반영 부조화를 초래할 수 있다. 다수의 로봇이 협업을 하는 구조로 원격제어 시스템을 개발하기 위해서는 다수의 오퍼레이터와 다수의 로봇이 원활한 기능 분담을 수행할 수 있어야하는데, 본 논문에서는 원격지 로봇들의 협업을 수행할 수 있는 햅틱 기반 원격제어 시스템 구축 방법에 대하여 기술한다.
최유락 ( You-rak Choi ),이재철 ( Jae-cheol Lee ),김승호 ( Seong-ho Kim ),김재희 ( Jae-hee Kim ) 한국정보처리학회 2012 한국정보처리학회 학술대회논문집 Vol.19 No.2
카메라를 탑재한 파이프 등반용 로봇의 매니퓰레이터가 카메라 영상을 이용하여 파이프를 파지하기 위해서는 파이프의 영상처리와 매니퓰레이터의 관절각 계산 알고리즘이 필요하다. 본 논문에서는 이를 위한 방법과 구현에 대하여 기술한다.