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Design and Implementation of Voice EPG Platform within Voice EPG Generator for T-DMB
Yongsik Choi,Choongsoo Lim,Kyungjae Cheon,HwanChul Kim,Jeonghoon Choi 대한전자공학회 2007 ITC-CSCC :International Technical Conference on Ci Vol.2007 No.7
EPG(Electronic Program Guide) service is a service that supports schedule of programs for audience. Most EPG service only provides visually and it causes inconvenience drivers and visually-handicapped peo ple because it makes them choose program by input devices directly. This paper is supposed to design and implement voice EPG Platfrom. It tells EPG service information and makes people choose program by voice.
라디아타 소나무(P inus radiata) 수피로부터 중성 추출물의 제조와 그 추출물의 화학적 특성 및 섬유 염색성
문지선 ( Jisun Mun ),김승연 ( Seungyeon Kim ),김환철 ( Hwanchul Kim ),문성필 ( Sungphil Mun ) 한국목재공학회 2019 한국목재공학회 학술발표논문집 Vol.2019 No.2
본 연구는 라디아타 소나무 수피로부터 중성 추출물을 제조하고 그 추출물의 화학적 특성과 섬유 염색성을 알아보기 위하여 수행되었다. 중성 추출은 40 mesh 통과 수피 분말을 0.8% NaHCO<sub>3</sub> 수용액으로 액비 5, 110℃, 60분의 조건에서 실시하였다. 추출된 라디아타 소나무 수피 중성 추출물의 구조적 특성을 검토하기 위하여 FT-IR, <sup>13</sup>C NMR, GPC 및 MALDI-TOF MS 분석을 실시하였다. 아세틸화 중성 추출물의 경우 분자량이 약 5,300 Da으로 라디아타 소나무 수피로부터 분리 정제한 순수 proanthocyanidin(PA)보다 작았다. 중성 추출물은 대부분 cyanidin 골격의 PA로 이루어져 있었으며, 또한 저분자 폴리페놀류 및 당류가 존재하였다. 견 및 면섬유의 최적 염색 조건은 농도 1.5% (o.w.b.), 액비 50(o.w.f.), 90℃, 90분이었다. DPPH 자유 라디칼 소거능 측정 결과 순수 PA와 중성 추출물 모두 매우 낮은 농도에서 높은 소거능을 나타내었다. 이상의 결과로부터 라디아타 소나무 수피 중성 추출물은 극소량에서도 높은 항산화 기능을 가지고 있어, 이들 추출물을 섬유에 적용할 경우 항균 및 항알러지성 등의 기능성이 발현될 것으로 생각되었다.
Investigating User Needs for Intelligence Services in IoT Environments
Mingyu Lee,Jiyoung Kwahk,Sung H. Han,Minseok Song,Dawoon Jeong,Minsu Cho,Dohyeon Kim,Deoksang Lee,Seokmin Oh,Hwanchul Kim,Gunho Chae 대한인간공학회 2018 대한인간공학회 학술대회논문집 Vol.2018 No.5
This study aims to identify users" needs for intelligence services in internet of things (IoT) environments. In the IoT environments, it is possible to recognize users’ behaviors and contexts through the data from the devices, and to provide services appropriate for the behaviors and contexts. IoT intelligence services are still in its infancy. It is necessary to understand the users’ needs on the IoT intelligence services, and to reflect them in product and service development. To identify the needs, this study conducted face-to-face interviews with potential users. Fifteen interviewees using various home appliances participated voluntarily. They answered what inconveniences they had in their daily lives and what services they would like to have to improve their inconveniences. The user needs on the IoT Intelligence have been classified based on the interview data. As a result, they hoped to be able to efficiently carry out the tasks of washing, cleaning, setting indoor temperature, cooking, and consuming groceries with the help of the IoT intelligence services. In addition, most user needs were related to the desire to simplify complex and cumbersome tasks. The results of this study can be applied to developing intelligence products and services using the IoT.
IoT Intelligence의 정의 및 특성 분석 Defining and Analyzing IoT Intelligence
Mingyu Lee,Jiyoung Kwahk,Sung H. Han,Minseok Song,Minsu Cho,Youngin Koh,Dohyeon Kim,Seokmin Oh,Hwanchul Kim,Gunho Chae,Jinyoung Lee 대한인간공학회 2017 대한인간공학회 학술대회논문집 Vol.2017 No.11
This study aims to define IoT intelligence and its characteristics. Advances in the field of information and communication technology have allowed the devices to be connected to the network. It allows the users to monitor and control the devices anytime and anywhere. With the data collected by the IoT devices, it is possible to understand the behaviors and intention of the users. The devices can provide services suitable for the situation and the intention, which are called intelligent services or personalized services. Accordingly, intelligent IoT services are being developed and launched. But most are designed with a technology focus, so those are featureless and fail to provide a satisfying experience for users. To provide a better experience for the users, it is necessary to understand IoT intelligence with the user"s viewpoint. This study defined IoT intelligence as a system that senses/understands the behaviors of users and their context and provides assistive services with a certain degree of autonomy and rationality in an IoT environment. And we derived its characteristics from two perspectives; IoT intelligence service types and IoT intelligence maturity levels. The results of this study can be used to develop new IoT services in the future.