암호화된 DB에서 대칭키 기반 검색기법 구현

정민경(Jung, Min-Kyoung),송희정(Song, Hee-Jeong),신승수(Shin, Seung-Soo),한군희(Han Kun-Hee) 한국산학기술학회 2009 한국산학기술학회 학술대회 Vol.- No.-

최근 개인정보유출사건으로 프라이버시에 대한 관심이 급증하면서, 데이터베이스의 내용을 암호화할 필요성이 요구된다. 초기에는 문서 전체의 복호화를 통해서만 검색이 가능하기 때문에 효율성이 떨어져 암호화기법이 거의 사용되지 않았다. 최근에는 복호화 하지 않고 암호화된 데이터로부터 특정 키워드를 포함하는 정보를 효율적으로 검색하고자 하는 연구가 시작되었다. Song의 연구를 시작으로 점차 효율적인 검색 기법이 제안되어졌다. 본 논문에서는 데이터베이스내의 암호화된 데이터를 검색하는 기법에 대한 설계 및 구현하고, 그에 따른 정확도 및 오류율을 분석한다.

북창동의 지역적 특성과 시민의 행태로 재해석된 아고라 건축 구상

김송희(Kim Song-Hee),이정만(Lee Jung-Man) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(계획계)

This study set out to analyze and reinterpret the architectural space characteristics of certain specialized urban spaces and the concerned programs regarding Bukchang-dong, Jung-gu, Seoul and to suggest a new civil space for Seoul. The diverse elements surrounding Bukchang-dong include many historical relics, which contributed to the history of Seoul, and architectural spaces, which create such urban images as represent the city. Suggested in the study was a "civil agora" space based on the analysis of Bukchang-dong's local and spatial features and a new program that reflected the diverse spatial characteristics surrounding Bukchang-dong. The goal was to turn Bukchang-dong into a new space to present the citizens, the nation, tourism, and culture connecting Sejong-ro and Namdaemun-ro crowded with the representative elements of Seoul.

2003년 국내 중증급성호흡기증후군 진료 현황 및 문제점 분석

이진수,김은실,정문현,백제중,정선화,안주희,최영화,이선희,고철우,김성범,김민자,박승철,기현균,송재훈,최상호,김양수,이상오,조용균,박영훈,정숙인,김연숙,이흥범,손창희,장성희,정희진,김우주 대한감염학회 2004 감염과 화학요법 Vol.36 No.3

목적 : 2002년 말 중국에서 SARS가 발생한 이후 국내에서도 2003년 10월까지 총 3명의 추정환자, 17명의 의심환자가 보고되었다. 향후 추가적인 SARS의 유행이 우려되는 상황에서, 그간의 SARS 환자 진료에 있어서의 실질적인 준비사항, 진료 현황 등에 대한 조사를 통해 문제점을 파악하여, 향후 더 나은 대비가 될 수 있도록 개선점을 제시하고자 하였다. 재료 및 방법 : SARS로 의심되는 환자를 진료 경험이 있는 병원의료진을 대상으로 2003년 10월에 설문조사를 실시하였다. 설문에는 SARS 환자 진료 시의 실질적인 조치, 진료 현황, 병실, 응급실 및 외래에서의 격리 시설과 준비사항, 보건당국의 관리와 지원에 관한 사항을 포함하였다. 결과 : 대상이 되는 22개 병원 중 17개(17/22, 77.2%) 병원이 설문에 응하였다. SARS 환자를 위한 격리실은 응급실, 외래, 일반병실 및 중환자실에서 각각 9개(9/17, 52.9%), 5개(5/17, 29.4%), 15개(15/16, 93.7%), 4개(4/16, 25%) 병원에서 음압처리가 되어있지 않은 일인실 혹은 다인실이 사용되었고, 1개(1/16, 6.3%) 병원에서만 일반병실에서 음압격리실이 운영되었다. 입원환자의 진찰 시 개인보호구의 착용은 거의 모든 의료기관에서 이루어졌다. 보건당국에서 SARS지정병원의 시설 등을 사전에 확인한 곳은 1곳(1/12, 8.3%)이였고, 14개 병원(14/15, 93.3%)에서는 보건당국에 의뢰한 검사결과를 통하 받지 못하였다. 결론 : 의료기관에서 SARS 환자용 격리실뿐만 아니라 기존의 격리실 설비 등이 미흡하였으며, 특히 중환자실 및 외래의 준비가 더욱 부족하였다. 보건당국의 의료기관에 대한 종합적인 지원이 부족하였고, 병원과의 원활한 연계가 잘 이루어지지 않았다. SARS 만이 아닌 격리를 필요로 하는 질환의 적절한 진료를 위해 향후 병원 시설의 정비와 정부차원에서의 보다 구체적이고 실질적인 대책마련이 필요하다. Background : There was an worldwide outbreak of the Severe Acute Respiratory Syndrome (SARS) originated from China in late 2002. During that period three cases of suspected SARS and 17 cases of probable SARS were reported in Korea. With the concerns about the reemergence of SARS-coV transmission, it is important to be prepared for any possibility. So, this study is aimed to analysis the past measures in managing SARS and propose the amendatory plans to improve the preparedness. Materials & Methods : Questionnaires were collected among clinicians with any experience in managing the probable or suspected SARS cases in Oct. 2003. 17 out of 22 hospitals responded to the questionnaire. The contents in the questionnaire were practical activities, personal equipments, response plans, isolation facilities in emergency centers, outpatient clinics, general wards and intensive care units, and relationship with the public health department. Results : The dedicated isolation rooms in emergency centers, outpatient clinics, general wards, and intensive care units were prepared in 9 (9/17, 52.9%), 5 (5/17, 29.4%), 15 (15/16, 93.7%), and 4 (4/16, 25.0%) hospitals, respectively. Except for one hospital that newly made negative pressure room for SARS, single or multi-bed rooms without airborne infection control were used in all the other hospitals. The personal precaution principles were kept quite well in general wards. Before the designation of SARS hospital by the public health department prior evalution to see if the hospital was suitable for managing SARS was conducted in only 1 (1/12, 8.3%) hospital. The results of laboratory diagnosis were reported back in 1 (1/15, 6.6%) hospital. Conclusions : The isolation facilities which can control airborne infection were almost deficient not only for SARS but also for other respiratory transmissible diseases. For the infection control of transmissible diseases including SARS, more investment is needed on medical facilities and comprehensive support from the public health department required.

DIS80의 遺傳子型 決定을 위한 PCR法의 條件에 관한 硏究

鄭宰安,黃迪駿,李羲碩,宋垠燮 大韓法醫學會 1994 대한법의학회지 Vol.18 No.1

The polymerase chain reaction(PCR) is known to be a very sensitive method of nucleic acid synthesis by which a particular segment of deoxyribonucleic acid(DNA) can be specifically amplified. However, as no single protocol will be appropriate to all situations, it requires to optimize the PCR conditions for a given application, especially analytical procedure to amplified fragment length polymorphism of VNTR region. Recently, typing of VNTR regions in the field of forensic science is almost done by PCR, but this reaction ofter results in a number of potential problems including generation of recombinant alleles during the extension phase. The objective of this paper is to evaluate the cause of PCR products of a abnormal length, and to set up the guideline for the reliable production of D1S80VNTR region in the human genome by studying several parameters that influence polymerase chain reaction. In the study of D1S80 VNTR region to be amplified, the following PCR conditions are optimal in the 50㎕ of reaction volume and under the temperature conditions of 95℃ for 1 minute, 65℃ for 2 minutes and 72℃ for 2 minutes. 1. The adequate concentration of MgCl₂ is within the range of 1.0 to 2.0 mM. 2. The high activities of Taq polymerase show about 0.5 to 1.5 units without generation of the undesired products. 3. The adequate amount of template DNA is about 30 to 50ng, although the template DNA can be amplified with the minimum of 40pg. 4. With the 50ng of template DNA, the adequate numbers of PCR cycle range 25 to 27 cycles. 5. Artifact production by PCR is minimal within the range of 0.2 to 0.3μM of each primer concentration. With the above conditions, amplified fragment length polymorphism (AMP FLP) obtained by polymerase chain reaction from the genomic DNAs of 4 Korean families (one family with 8 offsprings and both parents, 3 families composed of each one child and both parents) were analyzed to test the applicability of this technique to paternity testing. The results obtained present reliable parent child relationships based on the correct genotypes of D1S80, without any undesired PCR products of abnormal length that are postulated as heteroduplex resulting from cross annealing or hybridization between the amplified target DNA.

원발성 조기 위 소세포암

송근영,강길,박정희,김경종,민영돈,박치영,임성철 朝鮮大學校 附設 醫學硏究所 2002 The Medical Journal of Chosun University Vol.27 No.2

Gastric small cell carcinoma(SCC) is defined as poorly-differentiated neuroendocrine tumor of the stomach, and their morphologic and biologic features arc similar to those of the lung. It is known that this tumor has poor prognosis even in early pathologic stage, It acounts for only 3% of all gastrointestinal SCC. that has been reported only 33 cases outside and 6 cases inside of the comitiy. Most of these reports are related to advanced gastric SCC. as pathologic stage IIIb or IV. This report describes a case of early gastric SCC. pathologic stage Ib.

허리 통증 환자의 MMPI 반응 특성

송현주,유희정,한오수 大韓神經精神醫學會 1999 신경정신의학 Vol.38 No.4

연구목적 : MMPI를 통한 심리평가 결과, Hs, D, Hy세 척도가 실제 기질적인 문제의 심각성에 비해 허리 통증을 과도하게 호소하는 정형외과 환자 집단을 변별해 낼 수 있는지와 더불어 MMPI의 이 세 척도가 치료예후에 관한 예측 인자로서의 가능성을 검증해 보았다. 방 법 : 정형 외과 환자 37명과 정상 통제집단 36명의 MMPI결과를 얻어 MMPI 13개 척도에 대 한 집단간차이 검증과 판별 분석이 실시되었다. 또한 환자 집단중 19명을 대상으로 전화 면담을 통한 치료 만족도를 평가하여 치료 만족 집단과 불만족 집단을 구분한 후 역시 MMPI 13개 척도에 대한 집단간 비교를 하였다. 결 과 : MMPI의 13개 척도 중 다른 척도들에 비해 Hy, Hs, D척도에서 환자 집단 평균 점수가 정상 집단에 비해 보다 더 유의미하게 높았다. 또한 Hy, Hs, D척도를 사용하여 두 집단을 판별 분석한 결과, 74%의 분류 정확률을 보였으며 Hy, Hs, D척도의 순으로 판별해 내었다. 치료 만족 집단과 불만족 집단 비교에서는 사례수 부족으로 인해 통계적으로 유의미한 결과가 산출될수 없었다. 그러나 Hy, Hs척도의 집단간 평균 비교에서 불만족 집단의 평균 점수가 만족 집단의 점수보다 높았다. 결 론 : MMPI는 통증을 과도하게 호소하는 집단을 변별해 내는데 유용하다는 사실을 시사하며 추후 연구에서는 통증을 과도하게 호소하는 집단 특유의 심리적 변인 및 이에 관한 세부 특성을 보다 체계적이고 포괄적으로 밝혀 낼수 있는 연구가 이루어 져야 할 것이다. Objective : The goal of this study was to examine whether MMPI scores could discriminate between normal group and exaggerated pain group and predict treatment prognosis in exaggerated pain group. Methods : For psychological evaluation, MMPI was administered to 37 low back pain patients and 36 normal controls. MMPI findings in two group were compared, using t-test and discriminant function analysis. Nineteen patients of exaggerated low back pain group contacted by telephone were questioned about treatment satisfaction degree. And satisfaction group(9 patients) and dissatisfaction group(6 patients)'s MMPI findings were compared. Result : Hy, Hs, D scale scores in exaggerated pain group were higher than in control group. In discriminant function analysis by Hs, Hy, and D, percent of correctly classified 'gouped' cases was 74%. Discriminant function of Hy scale was the highest and that of D scale was the lowest. In satisfaction degree study, no finding was significant. Conclusion : MMPI findings were effective in discriminating between exaggerated pain group and normal control group. Further researches will need more structured and comprehensive approach.

식물생장조절제 Seaweed extracts(GA14)의 수도 품종간 생육 및 수량에 미치는 효과

송재영,김용일,박보영,정재영,최현구,정종태,이희봉 충남대학교 농업과학연구소 2004 농업과학연구 Vol.31 No.1

This study was carried out to identify the effects of seaweed extracts(GA14) on growth of two rice cultivars, Junambyo and Donganbyo. Seedling qualities of two cultivars were better in all items including heading dates at early stage treated at seedling plus 2-3 leaf stages than at single treatment of seedling. Ripening ratio of Junambyo in paddy field was increased 0.3% by seaweed extracts(GA14) treatment, but that of Donganbyo decreased 0.5%. 1,000 grain weight of Junambyo and Donanbyo by seaweed extracts(GA14) treatment was two to four grams higher and the yield of two cultivars was also higher by three to four percent. Appearance characters of two rice cultivars was high in head, while damaged, chalky and crack rate were low at seaweed extracts(GA14) treatment. Protein, moisture and amylose characteristics related to table quality of Junambyo were not different by seaweed extracts treatment, but table values was high in only treatment. Donganbyo was also similar to Junambyo, but table quality was slightly high at non-treatment.

경동맥 내막 절제술 후 발생한 과관류 증후군 1예

송희정,박광열,정진상,조수진,이순정,허승,김동익,이광호,이병붕 대한신경과학회 1999 대한신경과학회지 Vol.17 No.2

건축설계과정에서 나타나는 협업프로세스에 관한 연구 : 파빌리온 설계사례를 중심으로

김정훈,김소희,임병민,김진아,송정화,오건수 남서울대학교 2007 남서울대학교 논문집 Vol.13 No.4

This study aims to deduce the effective collaborative process of architectural design process based on the specific pavilion design case. The study schematizes the collaborative procedure which is generated at the early stage of design process, analyzes the decision support system and suggests the method for reaching a compromise.Finally, this study suggested collaborative process method of architectural design and provided the basic concept that can be used for the similar projects. Keywords : Collaborative Design, Design Process

RF-magnetron 스퍼터링에 의해 제조된 HAp와 HAp-Ag 복합재료의 미세구조와 In-vitro 연구

송호연,이희정,고광균 순천향대학교 교수학습개발센터 2004 Journal of Soonchunhyang Medical Science Vol.10 No.3

Microstructure and in-vistro study of RF-magnetron sputtered HAp and HAp-Ag composite films on the ZrO_(2) substrate were investigated using XPS, SEM, AFM and HR-TEM techniques. The homogenous and dense films about 0.8 ㎛ in thickness were successfully obtained and they were comprised with nano-crystalline grains about 30 nm in diameter. Micro cracks were not found at the interfaces between HAp and ZrO_(2) substrate and also on theire films. Without the dependency of Ag addition the fracure mode of HAp-Ag films showed a transgranular type. Due to the excellent bioaffinity, osteoblast MG-63 cells wre grown well on the HAp and HAp-Ag films with dense and healthly morphology, although the growth rate of cells on the HAp-Ag film was slower than that of the HAp film.