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온라인게임 서비스 향상을 위한 버그리포트 시스템에 관한 연구
이윤임 ( Lee Yoon Yim ),이대웅 ( Rhee Dae Woong ) 한국정보처리학회 2008 한국정보처리학회 학술대회논문집 Vol.15 No.1
최근 많은 게임들이 개발되고 경쟁하면서 게임 서비스에 대한 중요성이 대두되고 있다. 이 중에서도 버그리포트 시스템은 향후 온라인게임 서비스 향상을 위한 중요한 요소이다. 사례 분석을 통해 현재 서비스되고 있는 버그리포트 시스템의 문제점을 도출하고, 개선하고자 한다. 사용자의 편리성과 운영자의 신속, 정확한 버그 수집을 위한 새로운 버그리포트 시스템을 제안한다.
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이윤임(Yoon-Yim Lee),이대웅(Dea-Woong Rhee) 한국정보통신학회 2021 한국정보통신학회 종합학술대회 논문집 Vol.25 No.1
본 연구는 MMORPG에서 사용자 간의 균형을 나타내는 밸런스에 대한 연구를 통해 콘텐츠의 경쟁 구조 혹은 콘텐츠의 밸런스에 필요한 항목을 추출하고자 한다. 게임의 밸런스는 다양한 용어로 활용되고 있으며 그 정의가 각기 다르다. 이런 문제점들을 해결하고자 밸런스의 정의에 대한 문헌 연구를 진행하였으며, 이를 통해 밸런스에 필요한 로그의 항목들을 추출하였다. 게임의 빅데이터는 매우 중요한 연구적 가치를 가지고 있으나 이를 제대로 활용하지 못하고 있는 추세이다. 본 연구를 통해 체계적인 로그데이터를 수집하고 이를 실제 게임 운영에 활용될 수 있기를 기대해 본다. This work seeks to extract items necessary for the competitive structure of content or the balance of content through a study of the balance between users in MMORPG. The balance of the game is used in various terms and its definitions are different. To solve these problems, we conducted a literature study on the definition of balance, which extracted the log entries needed for balance. The big data of the game has very important research value, but it is not being utilized properly. Through this study, we hope to collect systematic log data and utilize it for real game operations.
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대두품종(大豆品種)과 선발(選拔) Rhizobium japonicum간의 숙주(宿主) 친화성(親和性)
김창진,이윤,김성훈,유익동,민태익,Kim, Chang-Jin,Rhee, Yoon,Kim, Sung-Hoon,Yoo, Ick-Dong,Mheen, Tae-Ick 한국토양비료학회 1986 한국토양비료학회지 Vol.19 No.4
우수(優秀) 대두접종제(大豆接種劑)로 이용할 균주(菌株)의 선발을 목적으로 국내(國內)에서 선발한 R. japonicum 균주(菌株)들과 현재 대두장려품종으로 보급되고 있는 대두품종들과의 상호(相互) 접종실험(接種實驗)을 통하여 숙주친화성(宿主親和性) 정도를 조사하였다. 얻어진 결과는 다음과 같다. 1. 공시(供試) 근류균주별(根瘤菌株別) 대두품종(大豆品種)과의 친화성(親和性) 정도를 보면 R. japonicum R-214, R-138 균주(菌株)가 근류형성능(根瘤形成能), 질소고정활성(窒素固定活性) 및 총(總) 질소흡수량(窒素吸收量)도 높아 대두품종(大豆品種)과 친화성(親和性) 범위가 비교적 넓었으며 R. japoncum R-224 균주(菌株)는 아주 낮은 것으로 판단되었다. 2. 대두품종별(大豆品種別) 근류균(根瘤菌)과의 친화성(親和性)은 황금(黃金)콩, 장백(長白)콩 등이 높았으며 그 다음이 장엽(長葉)콩, 단엽(短葉)콩, 백운(白雲)콩, 동북태(東北太) 등의 순이었고 방사(放射)콩이 제일 낮았다. 3. 일반적으로 질소고정활성(窒素固定活性)이 우수(優秀)한 균주(菌株)가 열등한 균주(菌株)보다 숙주친화성(宿主親和性) 범위가 넓은 것으로 판단되었다. In order to select suitable strains for utilization as soybean inoculants, the affinity between Rhizobium japonicum strains isolated from the domestic field and the several soybean varieties being distributed as recommended species was investigated by cross-inoculation experiments. The results obtained are as follows: 1. Rhizobium japonicum R-214 and R-138 showed broad affinity range to varies soybean species in terms of the nodule forming ability, the nitrogen fixing activity and the amount of total nitrogen absorption. In contrast, Rhizobium japonicum R-224 showed very low affinity to the same soybean groups. 2. The affinity of Hwang-Keum Kong and Jang-Paeck Kong to the rhizobium strains was the most signigicant, and that of Jang-Yeop Kong, Dong-Buk Tae, Paeck-Woon Kong and Dan-Yeop Kong was also significant. On the other hand, Pang-Sa Kong showed low affinity to the strains. 3. In general, the strains having high nitrogen-fixing activity seemed to possess the broad affinity range to the soybean hosts.
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Transposon Tn5를 이용한 Slow growing Rhizobium japonicum의 돌연변이 유도
김성훈,이윤,선대규,유익동,Kim, Sung-Hoon,Rhee, Yoon,Sun, Dae-Kyu,Yoo, Ick-Dong 한국미생물학회 1988 미생물학회지 Vol.26 No.4
Slow growing R. japonicum R-l68 균주로부터 spectinomycin 내성 균주를 선발하고 이 Rhizobium내에 Tn-5를 도입시키기 위하여 Tn5가 함유된 E. coli WA 803/pGS9과의 conjugation을 통한 transposon mutagenesis를 실시하였다. 이때 C conjugation을 통한 Tn5 전이 빈도는 $1.0\times 10^{-5}-5.0\times 10^{-7}$ 범위 이였으며, 얻어진 transconjugant들은 spectinomycin (($100{\mu}$g/ml)과 kanamycin ($50{\mu}$g/ml)을 함유한 yeast extract-mannitol 배지에서 8-10일 배양후 colony를 형성하였다. 또한 transconjugant들은 genome상에 Tn-5를 함유하고 있음을 hybridization-을 통하여 확인하였다. 한편 nodule은 형성 하나 질소고정 활성이 없는 돌연변이주 R. japonicum RMa 75 $nod^{+}fix^{-}$ 균주를 선발하였는데 이 균주는 nodule내에 leghemoglobin이 결핍되어 있음이 확인되었다. The spectinomycin resistant strain of slow growing R. japonicum R-168 was selected to be participated in conjugation with E. coli WA803/pGS9. Tn5 was introduced from suicide vector pGS9 into R. japonicum R-168 $spr^{r}$ chromosome at the frequency of $1.0\times 10^{-5}-5.0\times 10^{-7}$ and the transconjugante were selected on the yeast extract-mannitol plate containing kanamycin ($50{\mu}$g/ml) and spectinomycin ($100{\mu}$g/ml) after 8-9 days incubation. All transconjugants we tested were found to contain Tn 5 DNA on their genome, which was confirmed by Southern hybridization experiments. R. japonicum RNa75, which had been selected through plant test, was found to be defective in symbiotic nitrogen fixing ability and the production of leghemoglobin in soybean nodules formed by the inoculation of this mutant. In addition, this mutant strain hardly developed nitrogenase activity asymbiotically in contrast with the wild type strain, indicating that some nitrogen fixing gene might be blocked in this strain and the production of leghemoglobin could be decreased by the interference in nitrogen fixing genes.
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Glycine Effect on Spheroplasting and Nodule Bacteroids of Rhizobium Jjaponicum
김성훈,김창진,이윤,유익동,민태익,Kim, Sung-Hoon,Kim, Chang-Jin,Rhee, Yoon,Yoo, Ick-Dong,Mheen, Tae-Ick The Microbiological Society of Korea 1985 미생물학회지 Vol.23 No.3
Different spheroplasting methods using glycine were tried to fast and slow-growing R. japonicum. Although one of the fast growers, R-271 showed normal growth in the presence of 4mg/ml glycine, cell morphology and colony forming unit (CFU) were greatly different from the cells of late log phase grown in the medium without glycine. In parallel, R-271 became sensitive to lysozyme after 6hr incubation in medium containing glycine (3.5mg/ml). After 24hr cultivation in glycine $(100{\mu}g/ml)$ medium, one of the slow growers, R-214 was also susceptible to lysozyme action. Spgeroplasting frequency of both strains was over 96% by glycine and lysozyme. Spheroid cell was also found in bacteroids from root nodule and soluble glycine content was relativiely smaller than other amino acids in soybean nodule extracts. Glycine이 R.japonicum의 spheroplasting에 미치는 영향을 검토하였다. Fast-growing R. japonicum R-271은 4mg/ml의 glycine 함유배지에서 생육이 정상이었으나 세포 형태는 배양시간에 따라 변화하였으며 colony 형성단위는 log-phasedlgn 현저히 감소하였다. R-271은 3.5mg/ml glycine 함유배지에서 6시간 배양후에, slow grower R-214는 0.1mg/ml glycine 함유배지에서 24시간 배양후에 lysozyme의 작용을 받았다. 두 균주 모두 이러한 처리에 의해 96%이상의 spheroplast 형성빈도를 나타내었다. 한편 spheroid-type cell은 대두근의 nodule에서 분리한 bacteroid에서도 관찰되었으며 nodule extract에 존재하는 유리 amino acid 중 glycine 은 다른 amino acid에 비해 소량 존재하고 있었다.
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이윤이 충남대학교 의과대학 지역사회의학연구소 1994 충남의대잡지 Vol.21 No.2
This study was undertaken for the clinical analysis and evaluation on 48 patients with incompetent internal os of the cervix. who were admitted and treated at the CNUH from August, 1991 to August, 1994 1. The incidence of incompetent internal os of the cervix is approximately once in every 67 deliveries and the most frequent age incidence was 30 to 34 age group 2. The most significant contributory factor in 21 of 48 cases was considered to be the previous history of the traumatic induced abortion 3. McDonald operation was performed in 48 cases and resulted in success rate of 70.8% 4. The mayor causes of perinatal loss were SPROM (64.3%) and preterm labor(28.6%) 5. The fetal salvage rate by suture material is 72.7% (mersilene tape) and 66.7% (silk). 6. The delivery methods after operation were via vaginal route in 35 cases (72.9%) and abdominal route in 13 cases.(27.1%)
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미세절제술과 비교 유전자 보합법에 의한 각종 종양에서의 유전자 변화에 관한 연구
구선회,신소영,임춘화,전영미,이윤이,김진만 충남대학교 의과대학 지역사회의학연구소 2000 충남의대잡지 Vol.27 No.2
For the evaluation of oncogenesis, progression and prognosis of cancer, CGH is an important technique, because this technique is economic due to utilization of only one probe and lack of culture, screening mathod of whole genome and possibility of retrospective and prospective study. By the CGH, genornic variation of 20 breast cancer tissues, 23 stomach cancer tissues and 16 bladder cancer tissues were analyzed. The results were as followes ; 1. breast cancers The CGH results showed gains on chromosomes 8q(40%), lq(30%), 17q(15%), 20q(15%), 18q (15%), 5p(15%), and 13q(15%). The Deletions were on chromosomes 17p(45%) and 22q(20%). High-level amplifications(green/red ratio >1.5) were noted on chromosomes 1p31, iq, 3q25-qter, 5p, 7q31-qter, 8q, 9q22-qter, 10p, l1p, 11q22-qter, 12p, 12q24, 14g21-qter, 15q23-qter, 17q, 18p, 18q12-qter, 20p, and 20q. By comparison with infiltrating ductal carcinoma, the two medullary carcinomas showed high-level amplification on chromosomes iq3l, lq, 8q, 10p, 11p and 12p. 2. stomach cancers 1) Usual amplification sites of genome were lq, 13q, 17q, 20p,q. 2) 17p was the most common deletion site. The other sites of the deletion were lq, 4q. 3) In intestinal type of stomach cancer, genomic variation is more common than diffuse type. 4) In the cases of no evidence of lymph node metastasis, deletion of 17p is absent but amplification of 8q is obvious in the case of lymph node metastasis. 3. bladder cancers Common amplification of copy numbers of DNA sequences by CGH were seen at 1q, 3q, 4q, 5p, 6pq, 7p, 8q, 11q, 12q, 13q, 17q, 18q and 20pq(more than 20% of cases). High level amplification was noted at 1p32, 3p2l, 3q24, 4q26, 8q21-ter, 11q14-22, 12q15-21, 12q21-24, 13q 21-31, 17q22, and 18q22. Deletions were noted at 2q21-qter, 4q13-23, 5q, 8p12-22, 9pq, 11p13-15 (more than 20% of cases).
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