• 한국운동역학회지
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• 제25권1호
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• pp.57-64
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• 2015

Purpose : The purpose of this study was to analyze setter toss motion kinematically according to toss types. Method : Dependent variables were elapsed time, vertical displacement of the body center, the projected speed of the ball, and differences of the joint angle to the target for four setters positioning. Result : There was no significant difference in the time but the ball contact time was shorter when the toss distance of P3 was longer. There was significant difference in the vertical displacement of COM (p<.05). The vertical displacement of COM showed that the vertical movement gradually decreased when the quick distance was longer. The vertical displacement of COM was difference (p<.05), also there was difference of the ball speed (p<.001) at the Release point(E4). There was significant difference in the knee joint angle at a certain moment among the Release(E4) and Landing point(E5)(p<.05). The hip joint was significant difference among the Apex(E2), Ball Touch(E3), Release(E4), and the Landing point(E5) on the surface(E2, E3, E4 p<.05; E5 p<.005). The shoulder angle was significant difference among the Ball Touch(E3), Release(E4) and the Landing point(E5) on the surface(E3, E4 p<.05; E5 p<.001). The elbow was significant difference in the Apex(E2) (p<.05). The wrist was significant difference in the Release(E4) (p<.05). Conclusion : If we find the clue to expect the direction of the setter's ball, we have to fine the clues in the Apex(E2) that hip join and elbow, Ball Touch(E3) that hip joint and shoulder joint, Release(E4) that wrist, elbow, hip joint, and knee joint.

• Journal of Information Processing Systems
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• 제6권1호
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• pp.1-20
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• 2010

Due to the convergence of voice, data, and video, today's telecom operators are facing the complexity of service and network management to offer differentiated value-added services that meet customer expectations. Without the operations support of well-developed Business Support System/Operations Support System (BSS/OSS), it is difficult to timely and effectively provide competitive services upon customer request. In this paper, a suite of NGOSS-based Telecom OSS (TOSS) is developed for the support of fulfillment and assurance operations of telecom services and IT services. Four OSS groups, TOSS-P (intelligent service provisioning), TOSS-N (integrated large-scale network management), TOSS-T (trouble handling and resolution), and TOSS-Q (end-to-end service quality management), are organized and integrated following the standard telecom operation processes (i.e., eTOM). We use IPTV and IP-VPN operation scenarios to show how these OSS groups co-work to support daily business operations with the benefits of cost reduction and revenue acceleration.

• 한국진공학회:학술대회논문집
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• 한국진공학회 2014년도 제46회 동계 정기학술대회 초록집
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• pp.99-99
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• 2014

Transparent oxide semiconductors (TOSs) are. currently attracting attention for application to transparent electrodes in optoelectronic devices and active channel layers in thin-film transistors. One of the key issues for the realization of next generation transparent electronic devices such as transparent complementary metal-oxide-semiconductor thin-film transistors (CMOS TFTs), transparent wall light, sensors, and transparent solar cell is to develop p-type TOSs. In this talks, I will introduce issues and status related to p-type TOSs such as LnCuOQ (Ln=lanthanide, Q=S, Se), $SrCu_2O_2$, $CuMO_2$ (M=Al, Ga, Cr, In), ZnO, $Cu_2O$ and SnO. The growth and properties of SnO and Cu-based oxides and their application to electronic devices will be discussed.

• 출판저널
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• 통권329호
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• pp.128-129
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• 2003

• 한국정보시스템학회지:정보시스템연구
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• 제29권4호
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• pp.137-151
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• 2020

Purpose Domestic asset management fintech companies are expected to grow by leaps and bounds along with the implementation of the "Data bills." Contrary to the market fever, however, academic research is insufficient. Therefore, we want to analyze user reviews of asset management fintech companies that are expected to grow significantly in the future to derive strengths and complementary points of services that have been provided, and analyze key elements of asset management fintech companies. Design/methodology/approach To analyze large amounts of review text data, this study applied text mining techniques. Bank Salad and Toss, domestic asset management application services, were selected for the study. To get the data, app reviews were crawled in the online app store and preprocessed using natural language processing techniques. Topic Modeling and Aspect-Sentiment Analysis were used as analysis methods. Findings According to the analysis results, this study was able to derive the elements that asset management fintech companies should have. As a result of Topic Modeling, 7 topics were derived from Bank Salad and Toss respectively. As a result, topics related to function and usage and topics on stability and marketing were extracted. Sentiment Analysis showed that users responded positively to function-related topics, but negatively to usage-related topics and stability topics. Through this, we were able to extract the key elements needed for asset management fintech companies.

• 환경기술인
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• 제23권통권238호
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• pp.48-52
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• 2006

• 한국안전학회지
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• 제19권4호
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• pp.117-122
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• 2004

The investment for industrial disasters prevention can not help but get accomplished in negative way. At this point, the most effective way to diminish industrial disaster outbreak is the very subject should strive to prevent it by itself However, it's still the times that we place more weight on economic development no economic subject would not positively self-participate in it for the investment for industrial disasters prevention without my effect of numerical reduction. In this view, this study will tv to entirely analyze and grasp the economic toss due to industrial disasters at construction sites, and will present the most suitable safety-investment. As a result, in domestic construction sites, averagely $1.6\~2.6\%$ of the entire construction expenses had been invested for safety expense. The according to the result of the analysis, basically this safety investment expenses should be spent $2.4\%$ over to reduce the saffey-accidents stably.

• 디지털융복합연구
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• 제18권1호
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• pp.315-320
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• 2020

본 연구는 Z세대의 모바일 핀테크 서비스 사용자 경험 연구이다. 과거 금융은 사용자가 어렵다고 느껴지는 산업 중 하나였다. 하지만, 디지털 환경에서 자란 Z세대들은 모바일 결제를 편안하게 느낀다. 본 연구에서는 대표적인 국내 핀테크 서비스인 카카오페이와 토스로 국한하고 연구하여 향후 국내 핀테크 서비스의 지향점을 제시하는 것에 목적을 둔다. 총 8명의 Z세대 피실험자들에게 FGI(표적집단면접법)을 하였고, 부가적으로 설문지 조사를 진행하였다. 연구 결과 Z세대들은 경제적인 측면 이외에도 기업 브랜드나 이미지, 캐릭터, 이벤트와 같은 다양한 요인에 큰 영향을 받고 있었다. 또한, 신뢰성과 가치성 분야를 가장 고려하는 것으로 나타나 보안을 유지하기 위한 전략이 필요하다. 향후, 앞으로의 소비 주도를 이끌 Z세대들의 니즈를 반영한 핀테크 서비스의 발전을 기대한다.

• 디지털융복합연구
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• 제18권1호
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• pp.287-293
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• 2020

본 연구는 대표적인 핀테크 애플리케이션 서비스인 토스와 카카오뱅크를 사용자 관점에서 비교·분석하고, 이를 통해 사용자 경험의 주요 요인에 따른 발전 방향을 제안하는 데 목적이 있다. 두 애플리케이션을 모두 사용해본 경험이 있는 실험집단을 모집하여 1차로 조회 및 이체 서비스에 관한 task를 진행한 후 2차로 스티븐 앤더슨(Stephen P. Anderson)의 Creating Pleasurable Interface 모형을 재구성하여, 2030세대의 성향 특징 중심 키워드로 작성한 질문을 통해 심층 인터뷰를 진행하였다. 실험 결과, 사용자들은 사용성에 따라 만족도를 보였으며, 금융 거래 성향과 금전 관리 방식에 따라 애플리케이션 사용 경험이 나뉘었다. 따라서 개선 방안으로는 사용자의 금융 거래 성향을 공유할 수 있는 기능과 일상생활에서의 금전 관리를 돕기 위한 서비스가 요구된다. 본 연구는 사용자 중심의 핀테크 애플리케이션 서비스로 발전하기 위한 방안을 모색하는 데 도움이 될 것으로 기대한다.

• 대한전기학회:학술대회논문집
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• 대한전기학회 1986년도 하계학술대회논문집
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• pp.505-508
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• 1986