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RISS 인기검색어
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- 저자 : Minuk Park(박민욱) (검색결과 2 건)
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Utility of Urinalysis as a Follow-up Surveillance Tool in Nonmuscle Invasive Bladder Cancer
Minuk Park(박민욱),Bumjin Lim(임범진),Dalsan You(유달산),In Gab Jeong(정인갑),Cheryn Song(송채린),Bumsik Hong(홍범식),Choung-Soo Kim(김청수),Hanjong Ahn(안한종),Jun Hyuk Hong(홍준혁) 대한비뇨기종양학회 2021 대한비뇨기종양학회지 Vol.19 No.4
Purpose: To evaluate the association between microscopic hematuria (MH) detected by surveillance urinalysis and cancer recurrence in nonmuscle invasive bladder cancer (NMIBC) patients. Materials and Methods: A total of 1,082 NMIBC patients who underwent transurethral resection of bladder tumor (TURB) procedures at Asan Medical Center between January 2017 and December 2019 were included. We retrospectively reviewed the follow-up data for these cases including cystoscopy, urinalysis, and urine cytology. The association between urine testing and cancer recurrence was assessed by both univariable and multivariable logistic regression analysis. Results: The study patients had a median age of 68 years (interquartile range, 60–75 years) and comprised 898 men and 184 women. Among the 1,428 TURB procedures conducted in this series, 548 of the lesions (38.4%) were diagnosed as low-grade and 880 (61.6%) as high-grade cancers. A total of 3,309 follow-up cystoscopies were conducted during the study period and were divided into high-grade (HG) (2,011 cases) and low-grade (LG) (1,298 cases) groups according to the latest TURB pathology. MH was found to have a statistically significant association with NMIBC recurrence in both the LG (odds ratio [OR], 1.57; 95% confidence interval [CI], 1.107–2.223; p=0.011) and HG (OR, 1.90; 95% CI, 1.434–2.517; p<0.001) groups. Conclusions: Urinalysis during follow-up may provide important information on cancer recurrence in NMIBC patients.
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하예람(Yeram Ha),천준석(Junseok Cheon),왕인서(Inseo Wang),박민욱(Minuk Park),우균(Gyun Woo) 한국콘텐츠학회 2021 한국콘텐츠학회논문지 Vol.21 No.9
인터넷 기사에 대한 댓글은 토론 및 소통 등 긍정적 효과도 있지만, 악성 댓글은 사람의 목숨을 앗아가는 정도로 심각한 문제이다. 이런 측면에서 악성 댓글을 자동으로 검출하는 것은 중요한 문제이다. 그러나 현재 채택되고 있는 금칙어 바탕의 댓글 필터 방안은, 특히 한글 댓글의 경우 효과적이지 못한 실정이다. 이 논문에서는 형태소 분석을 통해 비속어 형태소와 존대어 형태소를 구별함으로써 댓글 필터링을 수행하는 방법을 제안한다. 이들 두 형태소를 바탕으로 댓글 건전도를 계산하고, 또한 건전도를 바탕으로 한 댓글 충격량 계산방법을 여럿 제안한다. 악성 댓글을 대상으로 한 실험을 수행한 결과, 포털에서 수행되고 있는 클린봇보다 재현율이 37.93% 포인트 개선되었으며 F-지수 값은 47.66 포인트 개선된 것으로 나타났다. 이 결과에 따르면, 형태소 분석을 기초로 한 새로운 필터 방법이 금칙어를 바탕으로 한 방법의 좋은 대안이 될 수 있을 것으로 기대된다. Even though the replying comments on Internet articles have positive effects on discussions and communications, the malicious comments are still the source of problems even driving people to death. Automatic detection of malicious comments is important in this respect. However, the current filtering method of the malicious comments, based on forbidden words, is not so effective, especially for the replying comments written in Korean. This paper proposes a new filtering approach based on morpheme analysis, identifying coarse and polite morphemes. Based on these two groups of morphemes, the soundness of comments can be calculated. Further, this paper proposes various impact measures for comments, based on the soundness. According to the experiments on malicious comments, one of the impact measures is effective for detecting malicious comments. Comparing our method with the clean-bot of a portal site, the recall is enhanced by 37.93% point and F-measure is also enhanced up to 47.66 points. According to this result, it is highly expected that the new filtering method based on morpheme analysis can be a promising alternative to those based on forbidden words.
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