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병원 의료시설 내 U-Healthcare 환경에서 환자 정보 관리를 위한 환자 세분화 기법
이기정,박성원 한국인터넷방송통신학회 2010 한국인터넷방송통신학회 논문지 Vol.10 No.3
UMSN (Ubiquitous Medical Sensor Network)은 실시간 객체식별과 센서 정보 수집으로 병원 등 의료시설의 u-Healthcare 시스템에 사용되고 있다. RF 무선 주파수로 리더기를 이용해 태그를 식별하는 RFID는 특히 환자 관리에 많이 쓰인다. 하지만 RFID 태그는 리더기의 질의에 항상 자신의 ID를 응답하기 때문에 불법적인 리더기에 ID를 전송하거나 불필요한 질의에 응답하여 도청, 스푸핑 등의 보안 취약점이 발생할 수 있다. 본 논문은 UMSN 기반의 환자관리 시스템에서 리더기가 환자, 의료기기, 의료진, 각종센서 등에 부착된 태그에 과도한 인증을 요청하여 발생할 수 있는 RFID Back-end Server의 트래픽을 줄이고 이 과정에서 발생 가능한 도청, 스푸핑 등의 보안 위협을 줄이기 위해 태그 ID 세분화 기법을 제안한다. 제안 기법은 환자의 태그 ID 문자열을 기준으로 환자를 분류하여 집단으로 구분하고 해당 집단에 인가된 리더기가 태그를 읽었을 때만 Back-end Server가 태그 인증절차를 수행하도록 하여 Back-end Server 트래픽과 보안 위협을 줄일 수 있다. UMSN (Ubiquitous Medical Sensor Network) is being used in u-Healthcare system of various medical facilities to identify objects and get information from sensors in real-time. RFID using radio frequency determines objects using Reader, which reads Tags attached to patients. However, there is a security vulnerability wherein Tag send its ID to illegal Reader because Tags always response to Readers request regarding of its Tag ID. In this paper, we propose Tag ID Classification Scheme to reduce Back-end Server traffic that caused by requests to authenticate between Readers and Tags that are attached to medical devices, patients, and sensors; To reduce security threats like eavesdropping and spoofing that sometimes occurred during authentication procedure. The proposed scheme specifies the patient category as a group based on patients Tag ID string. Only allowed Reader can perform authentication procedure with Back-end Server. As a result, we can reduce Back-end Server traffic and security threats.
이기정,김동일 서울대학교 교육종합연구원 2009 The SNU Journal of Education Research Vol.18 No.-
The present study is a literature review that emphasizes the necessity of developing measure for child's early numeracy skills. First of all, the present study searched for evidences of effects of early identification and intervention through the literature review. Even though early identification of child with learning disabilities brings about very complex issues, we stress the need of early identification for at-risk children in mathematical learning. Since mathematical skills are generally developed hierarchically, deficits in informal math knowledge may cause problems in formal math knowledge in school. Thus, for early identification of at-risk children in mathematics, informal knowledge, such as number sense, need to be examined, and investigate normal development pattern. This work is to be the foundation for admitting the importance of early identification in early numeracy, and to be the step forward in developing a standard measure for children with difficulties in mathematical areas.
이기정 광주보건대학 1998 論文集 Vol.23 No.-
To fully grasp what effects Nathaniel Hawthorne achieves in his works through the technique of irony, this paper will study the main characteristics of his irony, including the correlation between irony and his tragic works, and then its application to his works through three short tales: "The Man of Adamant: An Apologue," "The Gentle Boy," and "The Birth Mark." Then, his irony has close paralleles with his personal experiences and history. Born of a strict Puritan family, he had a thorough knowledge of his ancestors' gloomy history especially relating to the religious persecution directed at Quakerism. These circumstances and the Calvinistic influence gave Hawthorne a dualistic view of life and made him devote himself to write ironic works inseparably connected with Puritanism. Therefore, almost all of the characters in his tales are Puritans who are innocent American Adams striving to create an ideal world in their own way. But beyond their first intentions or expectations they come to be isolated from their normal societies, such that they become the heroes of tragic irony in the end. Their falls are brought about not merely by the religious prejudice or conceit like those of Richard Digby in "The Man of Adamant: An Apologue" and all the Puritans or the Quakers except the Tobias Pearsons and Ilbrahim in "The Gentle Boy," but also by the pursuit for the power of knowledge to gain the perfect world like that of Richard Aylmer in "The Birth Mark." Making good use of the technique of Dramatic irony, Hawthorne criticizes the dehumanization in Puritan society through the tragic development of his characters. But here it must be noted that his chief interest lies rather than in the transformation of the protagonists in "The Gentle Boy" than their sins. Even though among Hawthorne's characters there are such creatures as Digby or Aylmer facing a tragic fall without realizing his sin or transformation at all, they paradoxically show us the truth that real salvation is achieved by recovering magnetic chain of human relationships.
가네의 9단계 수업 절차 이론을 적용한 소금 연주의 효과성 연구
이기정,김미숙 한국음악교육학회 2016 음악교육연구 Vol.45 No.3
이 연구는 가네의 학습이론을 바탕으로 한 9가지 수업 단계로 소금수업을 설계하고 소금교육의 효과성을 검증하는 것이 목적이다. 연구의 가설은 가네의 수업 이론을 적용한 실험집단의 소금성취도는 전통적인 수업을 실시한 통제집단의 성취도 보다 높을 것으로 설정하였다. 연구는 초등학교 6학년 학생들을 대상으로 가네의 수업 절차 이론을 적용한 집단과 전통적인 수업지도안을 적용한 집단, 각각의 집단에 수업을 실시하였다. 두 집단의 성취도평가 점수를 분석한 결과는 다음과 같다. 자세, 운지법, 박자, 음정, 호흡, 시김새 표현 항목에 있어서, 가네의 수업 절차 이론을 적용한 집단이 전통적인 수업을 적용한 집단보다 점수가 높은 것으로 나타났으며, 이는 통계적으로 유의미한 차이를 보이는 것으로 나타났다.