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- 저자 : 임호동(Ho-Dong Lim) (검색결과 5 건)
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임성채(Sung-Chae Lim),유호동(Ho-Dong Yoo),김명호(Myoung-Ho Kim) 한국정보과학회 1993 한국정보과학회 학술발표논문집 Vol.20 No.2
분산 환경에서 수행되는 트랜잭션은 분산 트랜잭션에 관계한 모든 사이트에 대해 각 사이트의 국부 트랜잭션이 갖는 결과들이 일관성(consistency)을 유지할 수 있어야 한다. 분산 트랜잭션의 일관성을 유지하기 위해선 2단계 종료 규약과 통신장애나 응용 프로그램의 고장에 대비한 회복 기능이 요구되며 이런 요구 사항을 표준적으로 제공하고자 하는 것이 OSI-CCR(Commitment,Concurrency and Recovery) 서비스의 목적이다. 본 논문에서는 분산 트랜잭션 처리 시스템 개발에 유용하게 사용되는 OSI-CCR 서비스의 구현에 관해 기술하려 하며, 특히 CCR 구현에 있어 핵심적인 부분인 CCR 로그 관리 시스템 구현을 위한 사항들을 자세히 기술하도록 한다.
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임호동(Ho-Dong Lim),신현재(Hyun-Jae Shin),김근중(Geun-Joong Kim) 한국생물공학회 2020 KSBB Journal Vol.35 No.1
Hydrophobin, a functional protein produced by filamentous fungi, is a kind of bio-surfactant with no catalytic function. It is self-assembled without auxiliary additives to form various hydrophobic-hydrophilic interfaces. The unique chemical and biological properties of hydrophobin provide the possibilities to create versatile biomaterial for specific applications through protein engineering and combinatorial approaches. In particular, it is known to avoid immune reactions and thus can be used in a wide range of bio-compatible and medical application areas including an emulsification and surface modification, a protein purification tag, a cell immobilization tool, an antibacterial coating agent and a biosensor. However, hydrophobins secreted from wild-type organisms (typically filamentous fungi, ascomycetes and basidiomycetes) have some hurdles to apply for commercial use because of low productivity and difficult to scale up. This review examines the up-to-date reports on the structural characteristics, production and application examples of recombinant hydrophobins.
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유호동(Ho Dong Yoo),임성채(Sung Chae Lim),김명호(Myoung Ho Kim) 한국정보과학회 1994 정보과학회논문지 Vol.21 No.5
온라인 트랜잭션 처리 응용과 이들을 개발하고 관리하는데 사용되는 트랜잭션 처리 모니터는 컴퓨터 시스템 응용의 상당부분을 차지하고 있다. 본 논문에서는, 온라인 트랜잭션 처리 응용을 효율적으로 처리하도록 하는 고성능 온라인 트랜잭션 처리 모니터를 설계하고 구현한다. 트랜잭션 처리 모니터 설계시 OLTP 시스템의 성능 향상을 달성하기 위해 프로세스 간의 효율적인 통신, 서버에 대한 부하 조절, 서버에 대한 위한 투명성 제공 기능등에 촛점을 둔다. 또한, 실시간 트랜잭션 처리 요구시 명시된 시간 제약(deadline)을 고려하는 트랜잭션 처리 모니터 수준의 우선순위 큐 관리 기능을 포함한다. TPC-A 벤치마크 프로그램을 통해, 본 연구에서 개발된 고성능 트랜잭션 처리 모니터를 사용하는 온라인 트랜잭션 처리시스템이 DBMS만을 사용하는 온라인 트랜잭션 처리 시스템에 비해 상당히 좋은 성능을 나타냄을 보인다. On-Line Transaction Processing(OLTP) applications, and the monitors used to develop and manage them, have been the captive domain of computer system's applications. In this paper, we design and implement a high-performance TP monitor which efficiently processes OLTP applications. In this design, we focus on features of TP monitor that help to achieve the better performance of OLTP systems, which are efficient inter-process communication, load balancing over transaction servers, location transparency, and so on For real-time transaction requests, we also includes in the TP monitor a priority queue management scheme that considers the deadline specified in them. We show, through the running of TPC-A benchmark program, that OLTP systems with our transaction processing monitor perform much better than those without a TP monitor(i.e., using DBMSs only).
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박홍배(Hong Bae Park),임연근(Yeun Keun Lim),여향순(Hyang Soon Yeo),장진형(Jin Hyeong jang),김연종(Yeon Jong Kim),김호동(Hou Dong Kim),윤형신(Heyong Shin Yoon),이윤호(Youn Ho Lee),손장신(Jang Shin Sohn) 대한소화기학회 1993 대한소화기학회지 Vol.25 No.6
A 56-year-old man was admitted to our hospital because of jaundice. His chest radiography revealed a mass lesion in the left upper lung. Bonchoscopic lung biopsy was performed and the pathological diagnosis was small cell carcinoma of the lung. In his clinical course, obstructive jaundice developed during combination chemotherapy. The findings of abdominal ultrasonography, duodenoscopy with biopsy and percutaneous transhepatic cholangiography suggested that jaundice was developed by extrahepatic biliary obstruction with ampulla of vater metastasis. We experienced one case of obstructive jaundice by ampullary metastasis of small cell carcinoma of the lung cancer in 56-year-old man.
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김호동,김연종,박홍배,윤철승,윤형신,임연근,여향순 대한소화기내시경학회 1992 Clinical Endoscopy Vol.12 No.1
Carcinoma of Gall bladder remains a terminal illness in most patients despite improved diagnostic capabilities, better perioperative care arid a snare aggresive surgical approch based an improved knowledge of this tumors natural histiaxy. Overall 5-year survival rates remain below 59. This failure to significantly improve patint oucacne is largely due to late recognition of ,all badder cancer. Authors experienced 21 poses of Ball blxtlder cances canfirrnetl by operakiam at the Kwang Ju Christian hospital from arch 1983 to March 1991; abd the results obtained, were summarized as follows. I) Pritary carcinoma of the gall bladder has seen t most commonly in the age group of 50s and 7aa end this Group occupied 76% entire group of a total of 21 patients 13 were female, 8 were made and female to male ratio was 1.6:1. 2) Diagnostic methods performed include Abdominal sonogram, ERCP, abdominal CT. Abdomial sonogram, which was obtained for 21 patents was most freqently performed diagnostic test. The ultrasound was interpreted as abnormal in 2l patient(indications Included, cholelithaasis, cholecystitis, choledocholithiasis, main the gall bladder or a cornbink of findings) and diagnostic for gall bladder cancer in 6 atients(29%), 7 patients had ERCF', all of which were abnormal and 4 patients helped in making diagnosis, Abdominal GT was diagnostic in 6(75!8,a of 8 patients. 3) The following diseases were found to be assocdated with the carcinoma of gall bladder: cholelithiasis, choledicholithiasis, clonorchiasis, liverabscess. The most common site of metastasis was liver(43%; followed by lymph node, extrahepatic bile duct, duodenum, stomach, pancreas. Adenocarcnoma was the most common histological diagnosis and was found in 19 nut 2l patients.
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