• Title/Summary/Keyword: Assist system

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An Empirical Study for Performance Evaluation of Web Personalization Assistant Systems (웹 기반 개인화 보조시스템 성능 평가를 위한 실험적 연구)

  • Kim, Ki-Bum;Kim, Seon-Ho;Weon, Sung-Hyun
    • The Journal of Society for e-Business Studies
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    • v.9 no.3
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    • pp.155-167
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    • 2004
  • At this time, the two main techniques for achieving web personalization assistant systems generally concern direct manipulation and software agents. While both direct manipulation and software agents are intended for permitting user to complete tasks rapidly, efficiently, and easily, their methodologies are different. The central debate involving these web personalization techniques originates from the amount of control that each allows to, or holds back from, the users. Direct manipulation can provide users with comprehensibel, predictable and controllable user interfaces that give them a feeling of accomplishnent and responsibility. On the other hand, the intelligent software components, the agents, can assist users with artificial intelligence by monitoring or retrieving personal histories or behaviors. In this empirical study, two web personalization assistant systems are evaluated. One of them, WebPersonalizer, is an agent based user personalization tool; the other, AntWorld, is a collaborative recommendation tool which provides direct manipulation interfaces. Through this empirical study, we have focused on two different paradigms as web personalization assistant systems : direct manipulation and software agents. Each approach has its own advantages and disadvantages. We also provide the experimental result that is worth referring for developers of electronic commerce system and suggest the methodologies for conveniently retrieving necessary information based on their personal needs.

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Human Gait-Phase Classification to Control a Lower Extremity Exoskeleton Robot (하지근력증강로봇 제어를 위한 착용자의 보행단계구분)

  • Kim, Hee-Young
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.39B no.7
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    • pp.479-490
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    • 2014
  • A lower extremity exoskeleton is a robot device that attaches to the lower limbs of the human body to augment or assist with the walking ability of the wearer. In order to improve the wearer's walking ability, the robot senses the wearer's walking locomotion and classifies it into a gait-phase state, after which it drives the appropriate robot motions for each state using its actuators. This paper presents a method by which the robot senses the wearer's locomotion along with a novel classification algorithm which classifies the sensed data as a gait-phase state. The robot determines its control mode using this gait-phase information. If erroneous information is delivered, the robot will fail to improve the walking ability or will bring some discomfort to the wearer. Therefore, it is necessary for the algorithm constantly to classify the correct gait-phase information. However, our device for sensing a human's locomotion has very sensitive characteristics sufficient for it to detect small movements. With only simple logic like a threshold-based classification, it is difficult to deliver the correct information continually. In order to overcome this and provide correct information in a timely manner, a probabilistic gait-phase classification algorithm is proposed. Experimental results demonstrate that the proposed algorithm offers excellent accuracy.

A Review on the Interpretative Guidelines on EU Air Transport Passenger Rights Regulations in the Context of the Developing Situation with COVID-19 (항공여객보상에 관한 EC 261/2004 규칙의 COVID-19 관련 해석지침 검토)

  • Sur, Ji-Min
    • The Korean Journal of Air & Space Law and Policy
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    • v.35 no.3
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    • pp.39-63
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    • 2020
  • This paper reviews the Interpretative Guidelines on EU passenger rights regulations in the context of the developing situation with COVID-19 of EU commission. To enlighten the obscurity and to mitigate the economic impacts of the COVID-19, European Commission has published "Interpretative Guidelines on EU passenger rights regulations in the context of the developing situation with Covid-19" on March 18, 2020. The Guideline essentially aims to create a coherent system of rules to assist the passengers, industry and national authorities overall under the unprecedented circumstances across the European Union. To do so, the Guideline is drafted to cover the rights of passengers travelling by air, rail, ship or bus/coach, maritime and inland waterways, as well as the corresponding obligations for carriers. From an aviation industry focused perspective, by referencing the Regulation (EC) numbered 261/2004, the Guideline specifically applies to cancellation and delay in flights which are seen as the dark spots for the air carriers concerning potential burdens.

The research trends of fashion studies and fashion design·aesthetics·fashion history field - Focused on 2004~2013 and - (패션연구 및 패션디자인·미학·복식사 분야 관련 연구동향 - 2004~2013년 및 <복식문화연구>를 중심으로 -)

  • Hahn, Sooyeon;Kim, Yonson
    • The Research Journal of the Costume Culture
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    • v.22 no.4
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    • pp.579-594
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    • 2014
  • The areas of fashion research and fashion design aesthetics & fashion history have been studied under a common research heading as a Humanities subject in the UK and the USA, and as Clothing and Textiles Studies in Korea. The purpose of this paper was to analyze the 2004~2013 research tendencies in terms of reporting methods and contents from 181 world-renowned Fashion Theory research papers within the UK and USA fashion research corpus, and 359 Korean research papers from The Research Journal of Costume Culture related to fashion design aesthetics & costume history field. The subject areas, periods, methodologies, and differences in the topics of the studies were examined. The results of the research are as follows. Regarding the research authorship and length of the research papers, in Fashion Theory most papers were written by a single English-speaking or other foreign language-speaking author and were on average longer than 21 pages, while in The Research Journal of Costume Culture, many papers were jointly written by two Korean researchers and were between 11 and 20 pages. Regarding the content, Fashion Theory was connected to relatively wide and diverse periodical and regional boundaries including the body, clothing, the fashion media, and the overall fashion system, while The Research Journal of Costume Culture revolved around the body and clothing, textiles, the fashion media, and costumes. In addition, since the late $20^{th}$ century, the studies appeared to be related to the current Western world overall or to the country of the author. Regarding the research methodology, Fashion Theory used diverse research subjects and methodologies, and research was conducted on topics relating to fashion culture or fashion aesthetics. On the other hand, The Research Journal of Costume Culture featured relatively more dynamic studies aimed at suggesting developments or solutions to problems. It was found that a large share of that research focused on detailed style analyses and suggestions for aspects such as design elements and design developments. Such differences are considered to be caused by the inherent differences between the academic departments for the Humanities, and the Human Ecology. The above research results are expected to provide fundamental information in setting a direction for future research to assist the globalization of domestic research.

A Sub-grid Scale Estimation of Solar Irradiance in North Korea (북한지역 상세격자 디지털 일사량 분포도 제작)

  • Choi, Mi-Hee;Yun, Jin-I.
    • Korean Journal of Agricultural and Forest Meteorology
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    • v.13 no.1
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    • pp.41-46
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    • 2011
  • Reliable information on the surface solar radiation is indispensable for rebuilding food production system in the famine plagued North Korea. However, transfer of the related modeling technology of South Korea is not possible simply because raw data such as solar radiation or sunshine duration are not available. The objective of this study is restoring solar radiation data at 27 synoptic stations in North Korea by using satellite remote sensing data. We derived relationships between MODIS radiation estimates and the observed solar radiation at 18 locations in South Korea. The relationships were used to adjust the MODIS based radiation data and to restore solar radiation data at those pixels corresponding to the 27 North Korean synoptic stations. Inverse distance weighted averaging of the restored solar radiation data resulted in gridded surfaces of monthly solar radiation for 4 decadal periods (1983-1990, 1991-2000 and 2001-2010), respectively. For a direct application of these products, we produced solar irradiance estimates for each sub-grid cell with a 30 m spacing based on a sun-slope geometry. These products are expected to assist planning of the North Korean agriculture and, if combined with the already prepared South Korean data, can be used for climate change impact assessment across the whole Peninsula.

Development of a Chinese cabbage model using Microsoft Excel/VBA (엑셀/VBA를 이용한 배추 모형 제작)

  • Moon, Kyung Hwan;Song, Eun Young;Wi, Seung Hwan;Oh, Sooja
    • Korean Journal of Agricultural and Forest Meteorology
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    • v.20 no.2
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    • pp.228-232
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    • 2018
  • Process-based crop models have been used to assess the impact of climate change on crop production. These models are implemented in procedural or object oriented computer programming languages including FORTRAN, C++, Delphi, Java, which have a stiff learning curve. The requirement for a high level of computer programming is one of barriers for efforts to develop and improve crop models based on biophysical process. In this study, we attempted to develop a Chinese cabbage model using Microsoft Excel with Visual Basic for Application (VBA), which would be easy enough for most agricultural scientists to develop a simple model for crop growth simulation. Results from Soil-Plant-Atmosphere-Research (SPAR) experiments under six temperature conditions were used to determine parameters of the Chinese cabbage model. During a plant growing season in SPAR chambers, numbers of leaves, leaf areas, growth rate of plants were measured six times. Leaf photosynthesis was also measured using LI-6400 Potable Photosynthesis System. Farquhar, von Caemmerer, and Berry (FvCB) model was used to simulate a leaf-level photosynthesis process. A sun/shade model was used to scale up to canopy-level photosynthesis. An Excel add-in, which is a small VBA program to assist crop modeling, was used to implement a Chinese cabbage model under the environment of Excel organizing all of equations into a single set of crop model. The model was able to simulate hourly changes in photosynthesis, growth rate, and other physiological variables using meteorological input data. Estimates and measurements of dry weight obtained from six SPAR chambers were linearly related ($R^2=0.985$). This result indicated that the Excel/VBA can be widely used for many crop scientists to develop crop models.

A Study on the impact of the changes in international emissions trade market on non-CO2 CDM projects (국제 배출권 거래 시장의 제도변화가 국내 비(非)CO2 CDM 사업에 미치는 영향 분석)

  • Lee, Eungkyoon;Hwang, Minsup;Lee, Myung-Kyoon
    • Environmental and Resource Economics Review
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    • v.23 no.2
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    • pp.157-185
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    • 2014
  • The Kyoto Protocol has extended its life until 2020 by the decision at COP18 in Doha, Qatar in 2012. So has the Kyoto Mechanism of CDM, JI, and ETS. Nonetheless, the sustainability of CDM projects is jeopardized by the recent rule changes in the international emissions trade market such as EU ETS and the price decrease in emission credits. In particular, the domestic CDM projects reducing non-$CO_2$ GHG emissions are being directly affected. This study examines the trend of carbon credit price change in the international market. It also examines how the rule changes in the international emissions trade market have affected domestic non-$CO_2$ CDM projects through which mechanisms. The policy implications drawn from this study is two-fold: it suggests how the government can assist the project developers in utilizing GHG emission reduction technologies and the market in promoting investment environment before the domestic ETS enters into effect in 2015; apart from possible measures within ETS, an additional measures such as bilateral carbon offset system is suggested to help the private sector reduce uncertainty in investment and increase options to choose.

Analysis of the Pharmaceutical Companies' Recruitment Preference for Bachelor's Degree Holders without Prior Experience (제약업계의 학사수준 신입인력 전공 선호도 연구)

  • Han, Ah-Ram;Cheon, In-Kyung;Gil, Mi-Hyun;Yang, YouKyung;Bae, SeungJin
    • YAKHAK HOEJI
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    • v.58 no.6
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    • pp.397-404
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    • 2014
  • The Ministry of Health and Welfare proposed the "undergraduate program specializing in pharmaceutical industry" in 2013, as part of its roadmap to assist domestic pharmaceutical companies to become the top-tier pharma companies in near future and provide skilled personnel tailored for pharmaceutical industry. However, it is not clear whether this "undergraduate program" meets the needs of pharmaceutical industry, especially when the number of pharmacy students increased from 1,200 to 1,700 per year since 2009. The purpose of this paper is to identify which educational background is preferred by pharmaceutical companies, by surveying the CEOs of domestic pharmaceutical companies and referring to recruitment advertisements shown in medical newspapers, specified by the fields within the companies. Two independent reviewers referred to recruitment session in Yakup newspaper and Dailypharm from May 2012 until January 2014, focusing on recruitments from pharmaceutical companies targeting bachelors' degree holders with no prior experience. 749 recruitments were observed during the study period, more than 90% of which were provided by domestic pharmaceutical companies, and regardless of the companies being domestic or multinational, pharmaceutical companies' preference for pharmacists was remarkable (44.3% for domestic and 65.8% for multinational), and the preference was especially high in the fields such as Medical, R&D, Market Access (regulatory affair/pricing and reimbursement), Business Development, and Marketing. Survey results showed that the need of establishing the undergraduate program specializing in pharmaceutical industry is mixed, suggesting that although there is need for the educating personnel targeting pharmaceutical industry, the undergraduate program would not be an answer due to current PEET system. Our study concludes that in the example of pharmaceutical companies' recruitments shown in medical newspapers, pharmaceutical companies prefer pharmacy major in almost all fields of the pharmaceutical companies, yet the pharmaceutical companies still perceive the gap between current bachelor's degree holders(including pharmacy majors) and the ideal personnel required for advancing to the "top-class" pharmaceutical companies.

A Study on Policy Proposal for Senior Start-up and Marketing Strategies for Entrepreneurs (시니어 창업의 정책 제안과 마케팅전략 구축 방안에 관한 연구)

  • Yun, Jeong-Keun
    • Journal of Distribution Science
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    • v.11 no.1
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    • pp.55-63
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    • 2013
  • Purpose - As the members of the baby boomer generation have retired in earnest, the start-up market has received more attention than ever before. According to recent statistical data, an increasing number of entrepreneurs are in their fifties. There has been a continuous increase in promotional materials on small business issues published by start-ups. This means that senior start-ups have increased in number. A number of support systems have been established for youth start-ups, but there are few government support policies in place for the senior start-up market. Thus, this study suggests a number of constructive alternatives from the perspective of government policy and marketing strategy for entrepreneurs, in order to generate competitiveness in the start-up process, through examining the current state of the senior start-up and by diagnosing extant problems. Research design, data, methodology - This study gives a number of options regarding the government's support policies and the securing of competitiveness in order to vitalize senior business start-ups. As for the government's support policies, funding support policy, publicizing business start-up policies, and operating systematic mentoring policies before retirement have all been covered. In particular, in order for senior business start-ups to become competitive, development through mutual relations with diverse policies is urgently needed. The aging population is becoming an issue in Korea, so businesses for the aged, and the creation of jobs for these people, will become a social issue. Senior business start-ups are playing an important role in expanding enterprise productivity, in addition to enhancing national competitiveness. Expanding senior business start-ups is important, because they also serve to expand the national infrastructure. Productivity increase through continuous expansion is thus recommended. Results - In order to expand the competitiveness of business start-ups, marketing-related observations and learning in regard to customers are necessary for the baby boomer generation, and competitiveness for seniors is urgently needed. Conclusions - Studies on the business start-up policies for the domestic baby boomer generation are almost non-existent, and systematic studies on small businesses are necessary. Only the government is providing statistical studies for small businesses, and such research remains at a general level for entrepreneurs. Therefore, a support system that can actually assist entrepreneurs is essential. Continuous business start-up studies with respect to the baby boomers should be vitalized, to invigorate studies on competition. In order to supplement and strengthen foundational support, senior business start-ups must develop various competitive capabilities with a focus on the customer. The government and the various stakeholder agencies and organizations involved with start-up businesses must find ways to offer support to founders. Such support should include access to knowledge and legal and consultancy services in order to incubate the rapid increase in start-ups founded by seniors. Government support projects should be expanded to meet this end.

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A Probabilistic Prediction of Weapon Systems Evaluation Test Execution Ratio and Management Scheme (무기체계 평가시험 수행율의 확률적 예측 및 관리기법)

  • Jang, Young-sik;Han, Sung-hee;Han, Hyun-goo;Mun, Chang-min
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.21 no.2
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    • pp.468-474
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    • 2017
  • A test service for the weapon systems evaluation is one of the most important processes during the weapon systems acquisition or development life cycle. Before completion of weapon systems development, the appropriate evaluation test can reduce risk and expense which might be expected during weapon systems development procedure. In this paper, it is suggested that a probabilistic prediction method based on Monte Carlo simulation for how much the annual weapon systems evaluation test excution ratio can be reached compared to the yearly initial planned test quantity. And then a weapon systems evaluation test quantitative management scheme is suggested to assist decision making for the test schedule manager who can arrange monthly test schedule based on the prediction result of annual test excution ratio. And the proposed method is applied for the weapon systems evaluation firing test data of the 8th directorate, Agency for Defense Development(ADD). And also the application result is examined.