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요구사항 개발 과정에서 TextRank를 이용한 요구사항의 핵심단어 추출
정홍진(Hong Jin Jeong),이선근(Sun Guen Lee),김보현(Bo Hyun Kim),강창욱(Chang Wook Kang) 한국산업경영시스템학회 2019 한국산업경영시스템학회 학술대회 Vol.2019 No.추계
The requirements development process is an important process of defining the functions of a manufacturing system. It consists of requirements elicitation, requirements analysis, requirements specification, and requirements validation. In particular, the requirements elicitation is a process of elicitation user requirements from information collected through user interviews and task analysis. It is an important role in defining the functions of a manufacturing system and should clearly extract user requirements. However, due to the unclear user requirements, it is a major cause of the failure of the manufacturing system development. Therefore, this study proposes a method to extract user requirements clearly using TextRank in the requirements elicitation. TextRank is a graph based ranking model that uses Google s PageRank. It can extract key sentences or keywords from documents or web pages. Therefore, we extract URs(User Requirements) and keywords from VOC(Voice Of Customers) using TextRank in the requirements elicitation.
정유아 ( Yu A Jeong ),홍진화 ( Jin Hwa Hong ),황종하 ( Jong Ha Hwang ),송승훈 ( Seung Hun Song ),이경주 ( Kyeong Ju Lee ),오민정 ( Jun Young Hur ),허준용 ( Min Jeong Oh ),박용균 ( Yong Kyun Park ),조수용 ( Soo Yong Chough ),김철환 대한산부인과학회 2003 Obstetrics & Gynecology Science Vol.46 No.2
The definition and management of microinvasive cervical cancer varies from time to time depending on the organization involved and is a persistent focus of controversy. The purpose of defining microinvasion is to identify a group of patients who are not a
제왕절개 수술 반흔 부위에 착상한 자궁벽내 임신의 Methotrexate 치료
홍진화 ( Jin Hwa Hong ),정유아 ( Yu A Jeong ),황종하 ( Jong Ha Hwang ),김재원 ( Jae Won Kim ),이경주 ( Kyung Ju Lee ),김철환 ( Chul Hwan Kim ),서호석 ( Ho Suk Saw ),박용균 ( Yong Kyun Park ),조수용 ( Soo Yong Chough ),허준용 ( Jun 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.9
Intramural pregnancy implanting in the previous cesarean section scar is one of the rarest form of an ectopic pregnancy and probably the most dangerous form because of its risk of rupture and humorrhage. Pathologically, the location of the gestational sac is completely isolated from the uterine cavity and entirely surrounded by myometrium without any contract of endometrium. For young patients who wish to maintain their fertility, an earlier diagnosis and more conservative treatment are highly desirable. We have recently experienced a case of intramural pregnancy implanting in the scar of cesarean section, treated completely with systemic methotrexate injection. So, we report this case with a brief review of the literature.
국산 $^{18}F$-FDG Auto Sysnthesizer의 수율 향상과 성능 개선
박준형,임기섭,이홍진,정경일,이병철,이인원,Park, Jun-Hyung,Im, Ki-Seop,Lee, Hong-Jin,Jeong, Kyung-Il,Lee, Byung-Chul,Lee, In-Won 대한핵의학기술학회 2009 핵의학 기술 Vol.13 No.3
Purpose: 2-[$^{18}F$]Fluoro-2-deoxy-D-glucose ([$^{18}F$]FDG) particularly plays as a important role in Positron Emission Tomography (PET) imaging in nuclear medicine. Domestic [$^{18}F$]FDG auto synthesizers are installed in Seoul National University Bundang Hospital (SNUBH) at June 2008, these modules were known that it's synthetic yields were guaranteed in average $45{\pm}5%$ so far. To improve yields and convenience of domestic [$^{18}F$]FDG auto synthesizer, numerous trials in reaction time, base concentration, pressure and temperature were performed to increase [$^{18}F$]FDG yields. Materials and Methods: Several synthetic factors (temperature, time and pressure) and shortcoming were corrected based on many evaporation test. Syringe dispensing of tetra-butylammonium bicarbonate (TBAB) was replaced with micro pipette to prepare tetrabutyl ammonium fluoride salt ([$^{18}F$]TBAF). Troublesome refill of liquid nitrogen every 2 hours which was used to protect vacuum system was changed to charcoal cartridge, base guard filter. To monitor the volume of delivered $[^{18}O]OH_2$ from cyclotron by surveillance camera, we set up the volumetric vial on the cover of the module. In addition to, the recovery vial was added in [$^{18}F$]FDG production system to recover [$^{18}F$]FDG loss due to the leak of valve ($V_{13,14}$) in [$^{18}F$]FDG purification process. Results: When we used micro pipette for adding TBAB ($30\;{\mu}L$ in 12% $H_2O$ in acetonitrile), this quantitative dispensation has enabled to improve $5.5{\pm}1.7%$ residual fluorine-18 activity in fluorine separation cartridge compared to syringe adding. Besides, the synthetic yields of [$^{18}F$]FDG has increased $58{\pm}2.6%$ (n=19), $58{\pm}2.9%$ (n=14), $60%{\pm}2.5%$ (n=17) for 3 months. The life cycle of charcoal cartridge and base vacuum was 3 months prior to filling liquid nitrogen every 2 hours and additional side separator can prevent pump corrosion by organic solvent. After setting of volumetric indicator vial, the operator can easily monitor the total volume of irradiated $[^{18}O]OH_2$ from cyclotron. The recovery vial can be used for the stabilizer when an irregular [$^{18}F$]FDG loss was generated by the leak of valves ($V_{13,14}$). Conclusions: We has optimized appropriate synthetic conditions (temperature, time, pressure) in domestic [$^{18}F$]FDG auto synthesizer. In addition to, the remodeling with several accessories improve yields of domestic [$^{18}F$]FDG auto synthesizer with reliable reproducibility.
자동차 부품 금형 개발 프로세스의 품질지식 정보 관리체계 연구
남성호(Sung-Hon Nam),정홍진(Hong-Jin Jeong),김보현(Bo-Hyun Kim),정소영(So-Young Jung),신정훈(Jung-Hun Shin) (사)한국CDE학회 2011 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2011 No.1
The Requirements of Auto Parts Companies are continuous quality activities about customers’ expectations and auto makers as part of the company’s quality assurance policy to ensure quality. The secure and Implementation of quality management process for customer satisfaction are advanced, but customers still are demanding on higher quality levels. APQP(Advanced Production Quality Planning) for more sources quality and design·developing quality standards process are structured. Companies, however, are still using quality standards which are for the nominal and hand over the document’s activities by manual labor. So customer has been dissatisfied about quality. In this paper, we study quality information management system of molding development process to enhance development-quality between assembler automobile companies and supplier automobile companies in automotive industry. First of all, APQP process are deployed to WBS(Work Breakdown Structure) for information management system through information management system based on process. Second of all, a corporate management techniques used in companies extracts factors affecting quality and structure pool. Finally, Comparative analysis between factors affecting quality extracted through APQP process which is deployed by using WBS and factors affecting quality pool derived from quality management techniques should be complementary. The factors affecting quality analyzed and improved are stored in Quality Master DB. Later, a similar development process and quality control technique are utilized in process, so that quality improvement and nonconforming product traceability can be contributed.