의미연결망 분석을 활용한 영화 리뷰 시각화

김슬기,김장현,Kim, Seulgi,Kim, Jang Hyun 한국정보통신학회 2019 한국정보통신학회논문지 Vol.23 No.1

This study visualized users reaction about movies based on keywords with high frequency. For this work, we collected data of movie reviews on <Naver Movie>. A total of six movies were selected, and we conducted the work of data gathering and preprocessing. Semantic network analysis was used to understand the relationship among keywords. Also, NetDraw, packaged with UCINET, was used for data visualization. In this study, we identified the differences in characteristics of review contents regarding each movie. The implication of this study is that we visualized movie reviews made by sentence as keywords and explored whether it is possible to construct the interface to check users' reaction at a glance. We suggest that further studies use more diverse movie reviews, and the number of reviews for each movie is used in similar quantities for research. 본 연구는 <네이버 영화> 페이지의 리뷰 데이터를 수집하여, 출현 빈도가 높은 단어를 중심으로 영화 관람객의 반응을 시각화하는 작업을 수행하였다. 이를 위해 총 6편의 영화를 선정하여 데이터 수집 및 정제과정을 거쳤으며, 의미연결망 분석(Semantic network analysis)을 활용하여 단어 간 관계성을 파악하고자 하였다. 데이터 시각화 작업에는 UCINET과 함께 패키지화된 NetDraw가 사용되었다. 본 연구의 시사점은 문장으로 작성된 영화 관람객의 리뷰를 키워드 중심으로 시각화하여, 소비자들의 반응을 한 눈에 확인하는 리뷰 인터페이스 구현이 가능한지 탐색하였다는 점이다. 본 연구를 통해 영화 리뷰를 구성하는 키워드를 시각화하고, 리뷰 내용에서 영화별 특성의 차이를 확인하였다는 점에서 본 연구가 의미를 가진다고 하겠다. 후속 연구는 보다 많은 영화의 리뷰를 활용할 필요성이 제기되며, 각 영화별 리뷰의 수도 비슷한 양으로 맞추어 연구에 활용해야 할 것이다.

강판 종별 표면 산화 거동에 관한 연구

김슬기,이기만,KIM, SEULGI,LEE, KEEMAN 한국수소및신에너지학회 2018 한국수소 및 신에너지학회논문집 Vol.29 No.4

An experimental study was conducted to investigate behavior of surface oxidation with steel type. The excess entalphy combustion in porous media system was applied to implement the direct radiation heating system. The surface oxidation thickness (SOT) in fuel-lean condition was thicker than the SOT in fuel-rich. Also, the SOT was increased by increasing residence time. Detailed explanations were given by SEM and EDS analysis.

모노토닉 스위칭 기법을 이용한 온도센서용 1MS/s 축차비교형 아날로그 디지털 변환기

김슬기(Seulgi Kim),범진욱(Jinwook Burm) 대한전자공학회 2016 대한전자공학회 학술대회 Vol.2016 No.6

장애연극인 구술생애사로 본 1세대 장애예술인의 정체성: 장애예술 연구를 위한 비판적 시론

김슬기(Seulgi Kim) 한국문화사회학회 2020 문화와 사회 Vol.28 No.3

이 연구는 1세대 장애연극인의 구술생애사를 통해 장애인으로서 생애 경험이 연극인으로서 활동에 어떤 영향을 끼쳤는지 살펴보고, 나아가 동시대 장애예술 정책의 흐름을 전제로 장애 정체성과 예술가 정체성 사이 어떤 교섭이 일어나는지 그 구체적 과정을 재구성해보는 것을 목적으로 한다. 소아마비 마지막 세대인 연구참여자는, 국내 장애인권운동이 본격화하던 시기 여러 장애 단체에서의 활동을 통해 자신의 장애정체성을 구축했고, 그러한 장애 정체성을 기반으로 아직 장애예술이 무엇인지에 대한 인식조차 없던 시절 연극 활동을 하기 시작했다. 가족과 재활원, 학교, 그리고 직장생활에 이르기까지 다양한 환경에서 연구참여자가 경험한 사건들이 이후 그가 극단을 운영하고 작품을 창작하는 데 동력이 되었으며, 연구참여자는 주체성과 자율성이라는 원칙에 따라 장애연극인들의 성장을 도모하기 위한 다양한 활동을 전개해나갔다. 하지만 최근 몇 년 사이 정책적 담론으로 인해 충분한 이해와 준비 없이 장애예술에 대한 표면적 관심이 급증하면서, 연극인으로서 연구참여자는 또 다른 차별과 억압에 노출되었고 이제까지 경험해보지 못한 새로운 정체성의 위기에 직면할 수밖에 없었다. 연구자는 연구참여자와 함께 연극을 만드는 과정에서 이러한 혼란과 갈등을 마주하고, 비장애 연극인으로서 자기 성찰을 통해 연구참여자의 구술생애사를 다시 써 내려감으로써 장애연극인과 그들의 창작 활동을 이해하기 위한 근본적인 사유의 전환을 제안한다. 그리고 이로부터 현재의 장애예술 정책 담론이 내포한 한계를 비판적으로 고찰해 향후 장애예술 연구를 위한 시론적 토대를 마련하고자 한다. This study aims to examine the influence of the lived experience of a person with a disability on the activities as a theatre artist through the oral life history of the first-generation disability theatre artist and tries to reconstruct the process of negotiation between disability identity and artist identity based on present disability arts policy. The research participant, the last generation of poliomyelitis, established her own disability identity through activities in various disability groups during the early period of the disability rights movement in Korea. Based on that disability identity, she began to engage in theatre activities when nobody acknowledges the significance of disability arts. The events that the research participant experienced in various environments ranging from family, rehabilitation centre, school, and work-life provided her with insight to run a theatre company and create works. The research participant carried out various activities to encourage disability theatre artists in terms of subjectivity and autonomy. However, in recent years, due to the policy discourse, since the superficial interest in the disability arts increased, the research participant as a disability theatre artist has been exposed to discrimination and faced identity crisis that she has never experienced before. Confronting this situation in the process of making a theatre with the research participant, the researcher as a non-disabled theatre artist, proposes a fundamental shift in the approach to understanding the disabled theatre artists and their creative activities. From the self-reflection of the researcher, this study critically examines the limitations of the current disability art policy discourse for future research on disability art.

장시간 착좌 시 착좌 전략에 따른 상체의 생체역학적 변화

김슬기(Seulgi Kim),이일석(Ilseok Lee),강상현(Sang Hyeon Kang),진상은(Sangeun Jin) 대한인간공학회 2019 대한인간공학회 학술대회논문집 Vol.2019 No.5

Objective: This study investigated the change of body postures according to various lower extremity seating strategies while prolonged sitting. Background: Previous studies has been studied various chair designs, but they are limited in that they just simply focused on the low back posture in a short time. Method: A total of 16 adult male and female healthy participants were recruited, and asked to sit for 45 minutes and watch a video without any restriction. Each participant visited three times for testing three different sitting strategies including upright sitting, semi-standing, kneeling posture. Body kinematics was measured with a motion capture system including the lumbar flexion angle, the pelvic tilting angle, the head flexion angle, and the rounded shoulder angle. Body kinetics was captured with a forceplate, and used to calculate mean and standard deviation of the center of pressure (CoP) in anterior-posterior axis. Results: In all three sitting strategies, lumbar flexion angle, pelvic tilt angle, head flexion angle and round shoulder angle were significantly different according to sitting strategy and time, but there was no significance in its interaction effect. The upright sitting showed the greatest variation while 45 min sitting with a negative effect on the lumbar lordosis, head flexion and rounded shoulder angle, and the magnitude of negative effects was increased with time. CoP also showed an increase of postural sway over time in upright sitting. Conclusion: The effect of time was clear in all three strategies by showing more postural changes and an increase in discomfort rating. Among three sitting strategies, the upright sitting was worst in all kinematics variable, while the kneeling and semi-standing postures showed more neutral sitting postures while 45 min prolonged sitting. In this study, we propose a seating strategy considering lower extremity such as semi-standing and kneeling rather than upright sitting under the prolonged sitting condition. Application: The office chair should be designed under the consideration of the lower extremity postures such as the position of foots, the knee supporter, and the seat inclination angle.

안전보건표지판의 인식률 향상을 위한 평가 및 개선안 도출

김슬기(Seulgi Kim),진상은(Sangeun Jin),남연경(Yeonkyung Nam) 대한인간공학회 2020 大韓人間工學會誌 Vol.39 No.2

Objective: The goal of this study was to identify the recognition rate of the safety signs used to communicate the risk in industry, and to improve the safety signs revealed to have low recognition rate. Background: The safety signs are used to communicate the existence of risk throughout the symbols regardless of the worker"s knowledge level. Especially, the importance of the pictogram is emphasized by the increase of foreign workers. However, there has been no study testing and improving recognition rate of the safety signs. Method: A total of seven safety signs were selected for further improvement based on a series of tests suggested by ISO 9186 (Graphical symbols) which requires more than 66% of recognition rate to use the safety signs. Then, the safety signs were improved by a guidance provided by the AIGA (American Institute of Graphic Arts). Finally, the rank tests were performed on the various designs to select three alternative designs for each sign, which is best to describe the meaning of each safety sign. Finally, a survey was conducted to select the final improvement safety sign among the three improvement designs for each eight signs. Results: As a result, six safety signs (emergency exit, corrosive warning, lift no boarding, machine /equipment no boarding, sensitive material warning, green cross) showed an increase in understanding and achieved 66% of the recognition rate suggested by ISO. However, two safety signs (no object movement, laser beam warning) confirmed the need for further improvement. As a result of analyzing the difference in understanding before and after the improvement of the safety signs, the "no object movement" sign increased 13.25% from the recognition rate of 0% before improvement, but did not meet the ISO standard, and the "laser beam warning sign" decreased in understanding rate. Conclusion: In this study, the design of eight safety signs was improved. The design of the six safety signs, except for "no object movements" and "laser beam warnings", could significantly increase the comprehension rate, when used in actual industrial sites. Application: The results could be used to prevent the industrial accidents by providing a better understanding of the safety signs.

장시간 입식-좌식 작업대 사용 전략에 따른 생체역학적 변화 분석

김슬기(Seulgi Kim),추한박(Hanbo Zou),진상은(Sangeun Jin) 대한인간공학회 2020 대한인간공학회 학술대회논문집 Vol.2020 No.10

Objective: This study investigated the changes of muscle activation and body kinematics while using dynamic sitting and sit-standing workstation. Background: Although the sit-standing workstation and dynamic sitting strategy environment are an effective way to reduce the biomechanical loads in prolonged static posture, there have been no studies comparing the two conditions for prolonged scenario. Method: A total of 12 healthy participants were recruited and asked to change postures in every 15 minutes (total 60 minutes), while using a computer without any restriction. Each participant visited twice to test ‘sit-semi standing’ (dynamic sitting) and ‘sit-standing’ conditions. Muscle activation was measured in lumbar elector spinae(LES), rectus abdominis(RA), and gluteus maximus(GM), and the center of pressure(CoP) was captured by a forceplate and used to calculate standard deviation in M-L direction and A-P direction, and sample entropy. The body kinematic was captured by a motion capture system and used to calculated lumbar flexion angle. Results: LES showed significant differences in 10, 50, and 90%ile NEMGs in which the "sit-standing" showed greater activation patterns than in "sit-semi standing". In addition, the ‘sit-standing’ condition showed a broader distribution of NEMG than the ‘sit-semi standing’ condition denoting unexpected motions in the standing workstation. GM showed a significant interaction between Conditions and Time in 10, 50, and 90%iles NEMGs, and revealed significantly greater muscle activation in "sit-standing" than in "sit-semi standing". In addition, the movement of CoP was significantly bigger in "sit-standing" than "sit-semi standing", but complexity of movement captured by the sample entropy was significantly smaller in "sit-standing" revealing a simple and patterned movement but bigger movement in the ‘sit-standing’ condition. Conclusion: ‘Sit-semi standing’ showed more positive biomechanical evidences than ‘sit-standing’ for reducing the discomfort of the body in an office environment. Application: The office chair should be designed for providing various sitting postures including ‘semi-standing’ in which a larger trunk-knee angle and a smaller knee angle are required.

인공위성영상과 딥러닝을 이용한 건설공사현장 폭염취약지역 분석

김슬기(Kim, Seulgi),박승희(Park, Seunghee) 대한토목학회 2022 대한토목학회논문집 Vol.42 No.2

폭염과 도시열섬현상은 기후변화가 진행됨에 따라 피해가 더욱 커지고 있으며, 2050년까지 폭염 발생빈도는 2~6배가 증가될 것으로 예측된다. 특히, 폭염기간동안 건설공사현장에서의 근로자가 느끼는 더위체감지수는 매우 높으며, 도시열섬현상까지 고려하게 되면 체감지수는 더욱 높아진다. 열에 취약한 건설현장 환경과 건설근로자의 상황은 나아지지 않고 있으며, 피해를 줄이기 위해서는 효과적인 대응이 필요한 시점이다. 본 연구에서는 인공위성영상 이미지와 Land Surface Temperature (LST)와 Long Short Term Memory (LSTM) 딥러닝 모델 기법을 적용하여 33°C 이상 온도가 되는 지역을 분석하고, 폭염에 취약한 건설공사현장을 식별하여 폭염 및 도시열섬현상의 복합적인 피해를 가중시킬 수 있는 가장 취약한 지역을 예측하여 도출하였다. 예측 결과를 통해 건설근로자의 안전을 보장하고, 건설현장 경보시스템의 기반이 될 수 있기를 기대한다. As a result of climate change, the heatwave and urban heat island phenomena have become more common, and the frequency of heatwaves is expected to increase by two to six times by the year 2050. In particular, the heat sensation index felt by workers at construction sites during a heatwave is very high, and the sensation index becomes even higher if the urban heat island phenomenon is considered. The construction site environment and the situations of construction workers vulnerable to heat are not improving, and it is now imperative to respond effectively to reduce such damage. In this study, satellite imagery, land surface temperatures (LST), and long short-term memory (LSTM) were applied to analyze areas above 33 °C, with the most vulnerable areas with increased synergistic damage from heat waves and the urban heat island phenomena then predicted. It is expected that the prediction results will ensure the safety of construction workers and will serve as the basis for a construction site early-warning system.

인공위성영상과 딥러닝을 이용한 건설공사현장 폭염취약지역 분석

김슬기(Kim, Seulgi),박민수(Park, Minsoo),김장경(Kim, Janggyeong),박승희(Park, Seunghee) 대한토목학회 2021 대한토목학회 학술대회 Vol.2021 No.10

에너지하베스팅을 위한 자성중심 덴드리머

김슬기(Seulgi Kim),장준원(Junwon Jang),박재우(Jaewoo Park) 한국지반환경공학회 2014 한국지반환경공학회 학술발표회논문집 Vol.2014 No.9