• Title/Summary/Keyword: Activity classification

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Design of Compound Knowledge Repository for Recommendation System (추천시스템을 위한 복합지식저장소 설계)

  • Han, Jung-Soo;Kim, Gui-Jung
    • Journal of Digital Convergence
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    • v.10 no.11
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    • pp.427-432
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    • 2012
  • The article herein suggested a compound repository and a descriptive method to develop a compound knowledge process. A data target saved in a compound knowledge repository suggested in this article includes all compound knowledge meta data and digital resources, which can be divided into the three following factors according to the purpose: user roles, functional elements, and service ranges. The three factors are basic components to describe abstract models of repository. In this article, meta data of compound knowledge are defined by being classified into the two factors. A component stands for the property about a main agent, activity unit or resource that use and create knowledge, and a context presents the context in which knowledge object are included. An agent of the compound knowledge process performs classification, registration, and pattern information management of composite knowledge, and serves as data flow and processing between compound knowledge repository and user. The agent of the compound knowledge process consists of the following functions: warning to inform data search and extraction, data collection and output for data exchange in an distributed environment, storage and registration for data, request and transmission to call for physical material wanted after search of meta data. In this article, the construction of a compound knowledge repository for recommendation system to be developed can serve a role to enhance learning productivity through real-time visualization of timely knowledge by presenting well-put various contents to users in the field of industry to occur work and learning at the same time.

Repeated Dose 90-Day Oral Toxicity Study of Dried Thermitomyces albuminosus Powder in Rats (Thermitomyces albuminosus powder의 랫드를 이용한 90일 경구투여독성시험)

  • An, Min Ji;Heo, Hye Seon;Lee, Ji Sun;Son, Hye Young;Lim, Hae Ok;Park, Gang Baek;Lee, Joon Heun;Jee, Jae Gyu;Park, Yeongchul
    • Journal of Life Science
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    • v.26 no.10
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    • pp.1153-1162
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    • 2016
  • Termitomyces albuminosus (Berk.) Heim is a well-known wild edible mushroom in the southern region of China. Novel cerebrosides, termed termitomycesphins, isolated from EtOH extract of T. albuminosus have shown significant neuritogenic activity. Neurotrophic factors have been targeted as potential therapeutic drugs for the treatment of neurodegenerative disorders. However, before expanding their applications to include food or therapeutic agents in Korea, a safety evaluation of T. albuminosus is needed. Herein, in a repeated-dose 90-day oral toxicity study, rats were exposed to a basal diet of powder ground from dried T. albuminosus at dose levels of 5%, 2.5%, 1.25%, and 0%. The following endpoints were evaluated: clinical observation, body weight, gross and microscopic pathology, clinical chemistry, and hematology. Significant dose-dependent increases in the weight of the left kidney were observed, possibly due to the test substance. Based on toxicity-decision criteria for minor compound-related changes (no observed adverse effect level [NOAEL] and no observed effect level [NOEL]), NOAEL was observed in male rats at a dose of 5% of dried T. albuminosus powder, and NOEl was observed in female rats at the same dose. The results point to the safety and potential use of T. albuminosus as a nontoxic neurotrophic factor.

Clinical Subtypes of Delirium (섬망의 임상적 아형)

  • Seo, Jeong-Seok;Moon, Seok-Woo;Kim, Tae-Ho;Nam, Beom-Woo
    • Korean Journal of Psychosomatic Medicine
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    • v.16 no.2
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    • pp.69-74
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    • 2008
  • Delirium is an organic psychiatric syndrome characterized by an acute onset, prominent disturbance of consciousness and cognitive impairment with fluctuating course. Although there is not a clear consensus concerning the optimal classification system for delirium subtypes, Lipowski(1983) firstly classified delirium by psychomotor activity, namely hyperactive, hypoactive, and mixed. According results of several following studies, prevalence of hypoactive delirium were not less than that of hyperactive delirium. But a diagnosis of hypoactive delirium often missed, which is most frequently misdiagnosed as depression and dementia. Hyperactive delirium can be caused by alcohol or benzodiazepine withdrawal, would be related with excessive dopamine and cholinergic deficiency, and is more responsive to high-potency antipsychotics therapy. Hypoactive delirium would be caused by metabolic encephalopathy, and tends to present a less responsiveness to antipsychotics and poorer overall prognosis with a prolonged duration of admission than hyperactive delirium. Delirium is not a homogenous syndrome. Because of different subtypes, it may have dissimilar underlying pathogenetic pathways. So different treatment strategies between various subtypes may be needed.

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A Typology of MNC's Foreign Subsidiaries: A Conceptual Model and Korean Cases (다국적기업 해외자회사의 유형분류법: 개념적 모형과 한국기업의 사례)

  • Kim, Min-Sook;Bang, Ho-Yeol
    • International Commerce and Information Review
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    • v.15 no.1
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    • pp.227-256
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    • 2013
  • Existing multinational subsidiary typologies seem to have limitations in two respects. First, the prevalence of subsidiary classification along two-dimensions fails to capture many distinct subsidiary types. Failure to reflect a sufficient richness in dimensionality can give rise to a partial picture of subsidiary typologies in the international business literature. A new typology developed from multi-dimensional approach will be required for reflecting various subsidiary roles in the multinational enterprise. Second, multinational subsidiary performing a number of activities is hard to be defined functionally across the value chain activities. In addition, multinational subsidiary roles can vary dramatically. In conclusion, despite a growing amount of work on subsidiary typologies, there seems to be limited convergence of results. the study regarding subsidiary roles still remain a challenge. In this respect, the purpose of this study is to develop a new typology based on multi-dimensional approach in order to overcome the limitations of traditional typologies. To classify subsidiary types, we propose 8 types of multinational subsidiary according to three dimensions that are adopted: (1) number of required value chain activities (2) subsidiary's sourcing capability and autonomy (3) global orientation (3) The case study analyzing Korean foreign subsidiaries appropriate for 8 types is performed to establish the validity of this study.

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Classification and Prioritizing the Importance of the Facility and Program for Green Care Introduction (그린케어(Green Care) 도입을 위한 시설과 프로그램 유형분류 및 중요도 분석)

  • Choi, Young-Wan;Kim, Young-Joo
    • Journal of Korean Society of Rural Planning
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    • v.25 no.4
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    • pp.77-86
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    • 2019
  • The purpose of this study is to survey and analyze the operating state and characteristics of domestic and foreign green care, prioritize the facilities and programs for green care introduction through expert survey of importance, and thereby to provide a basic material for introducing green care in facilities in Rural Development Project districts, including domestic rural experience facilities. Domestic and foreign literature was analyzed in order to classify the necessary facilities programs, of green care, and the analysis results were modified and supplemented through Expert Delphi Survey. Based on the results, AHP based importance survey was conducted. In terms of the facilities and programs for green care introduction, necessary facilities (H/W) were categorized into four types (accommodation facility, resting facility, experience facility, therapy facility) and S/W programs into three types (learning experience type, therapy type, and care type). To verify the reliability of the AHP based importance survey, Consistency Index (C.I.) was analyzed. As a result, the C.I. value of nine respondents ranged from 0.000 to 0.083 so that the survey was found to have high consistency. The importance of S/W programs was 0.627, and that of H/W facilities was 0.373. For green care introduction, programs were found to be more important. Regarding the categories of necessary facilities, therapy facility had the highest value, or 0.348; experience facility 0.253; accommodation facility 0.211; resting facility 0.188. Therefore, therapy facility and experience facility were found to be important. In case of S/W programs, therapy type had the highest value, or 0.499, and learning experience type (0.255) and care type (0.246) were similarly important. Generally, the categories that had high importance values tended to show a remarkable difference in importance of their sub categories. In particular, facilities or therapy programs using natural ecology and forests were found to be highly important. In conclusion, it is required to actively review the introduction of active programs using resources, such as existing experience facilities and accommodation facilities and villages forests, and programs making the body and soul comfortable, such as natural ecology experience, Green Shower, and horticulture activity.

Convergence Analysis of Risk factors for Readmission in Cardiovascular Disease: A Machine Learning Approach (의사결정나무분석을 이용한 심혈관질환자의 재입원 위험 요인에 대한 융합적 분석)

  • Kim, Hyun-Su
    • Journal of Convergence for Information Technology
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    • v.9 no.12
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    • pp.115-123
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    • 2019
  • This is descriptive study to 2nd analysis data KNHANES IV-VI about risk factors of readmission among patients with cardiovascular disease. Among the total 65,973 adults, 1,037 with angina or myocardial infarction were analyzed. The analysis was conducted using SPSS window 21 Program and CHAID decision tree was used in the classification analysis. Root nodes are economic activity(χ2=12.063, p=.001), children's nodes are personal income(χ2=6.575, p=.031), weight change(χ2=12.758, p=.001), residential area(χ2=4.025, p=.045), direct smoking(χ2=3.884, p=.031). p=.049), level of education(χ2=9.630, p=.024). Terminal nodes are hypertension(χ2=3.854, p=.050), diabetes mellitus(χ2=6.056, p=.014), occupation type(χ2=7.799, p=.037). We suggest that the development and operation of programs considering the integrated approach of various factors is necessary for the readmission management of cardiovascular patients.

Association between Relative Preference for Vegetables and Meat and Cancer Incidence in Korean Adults: A Nationwide Population-based Retrospective Cohort Study (채소 및 육류 섭취의 상대적인 선호도와 암 발생의 연관성: 국민건강보험공단 국민건강정보자료 활용)

  • Yie, Ga-Eun;Kim, An Na;Cho, Hyun Jeong;Kang, Minji;Moon, Sungji;Kim, Inah;Ko, Kwang-Pil;Lee, Jung Eun;Park, Sue K.
    • Korean Journal of Community Nutrition
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    • v.26 no.3
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    • pp.211-227
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    • 2021
  • Objectives: We aimed to examine the association between the relative preference for vegetables and meat and cancer incidence, in a population-based retrospective cohort in Korea. Methods: We included 10,148,131 participants (5,794,124 men; 4,354,007 women) who underwent national health screening between 2004 and 2005 from the National Health Information Database of the National Health Insurance Service (NHIS-NHID). Participants were asked whether they preferred consuming 1) vegetables more often, 2) both vegetables and meat or 3) meat more often. Participants were followed up to Dec. 31, 2017. All cancer and eighteen common cancer cases were identified through the code from the International Classification of Diseases, 10th revision. We estimated sex-specific relative risks and 95% confidence intervals, adjusting for age, body mass index, alcohol consumption, smoking, physical activity, and income level. Results: During an average follow-up of 12.4 years, 714,170 cancer cases were documented. In men, consuming meat more often was associated with lower risk of esophageal, liver, and stomach cancers, but higher risk of lung and kidney cancers. Consuming both vegetables and meat was associated with higher risk of prostate cancer, but with lower risk of esophageal, liver, and stomach cancers in men. In women, consuming meat more often was associated with a higher risk of colorectal cancer and breast, endometrial, and cervical cancers diagnosed before the age of 50. Consuming both vegetables and meat was associated with lower risk of liver cancer in women. Conclusions: Our study suggests a potential link between vegetable and meat intake and cancer incidence in the Korean population. Further investigation on the association between the intake of specific types of vegetables and meat and cancer risk in Korean prospective cohort studies is needed.

The Effect of Corporate Social Responsibility on Organizational Trust, Job Satisfaction and Turnover Intention (건설기업의 사회적 책임 활동이 조직신뢰, 직무만족과 이직의도에 미치는 영향)

  • Cho, Jin-Ho;Kim, Byung-Soo
    • Korean Journal of Construction Engineering and Management
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    • v.20 no.5
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    • pp.83-94
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    • 2019
  • Recently, the proportion of overseas orders of domestic construction companies is increasing, and the global market demands management transparency on corporate social responsibility activities. Therefore, domestic companies are faced with the need to systematically prepare for social responsibility activities. The purpose of this study was to examine whether CSR activities have a moderating effect on the relationship between organizational trust, job satisfaction, turnover intention and contract type. This study analyzed the effect of CSR activities on organizational trust, job satisfaction and turnover intention. The study targets regular and irregular workers in construction companies who promote CSR activities through the homepage, public service ad, and media. The questionnaire distributed 300 copies online. The final valid sample is 255 (145 Regular and 110 Irregular). Empirical analysis used a structural equation model. The results of the study are as follows. First, in CSR activities, economic responsibility, philanthropic responsibility and ethical responsibility had a positive (+) effect on organizational trust. Second, organizational trust had a positive (+) effect on job satisfaction in CSR activities. Finally, the magnitude of the Moderate effect of the type of labor contract according to the group classification showed that the CSR activity on organizational trust had many regular employees with economic responsibility. Also, organizational trust in job satisfaction was found to be large in regular employees. The results of this study can be a guide to CSR activities of construction companies in terms of organizational effectiveness.

An Empirical Analysis of Influencing Factors on Success of Equity Crowdfunding: By Industry and Funding type (투자형 크라우드펀딩의 성공 영향 요인 실증분석: 업종과 유형별 분류를 중심으로)

  • Kim, Jong-Yun;Kim, Chul Soo
    • The Journal of Society for e-Business Studies
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    • v.24 no.3
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    • pp.35-51
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    • 2019
  • The two main goals of this study are to derive independent factors affecting the success rate of crowdfunding and to empirically analyze the variation of independent factors' effects on the success of crowdfunding by industry (Internet, culture/art, manufacturing/distribution), and funding type (stock type, bond type). To identify the success factors of crowdfunding for invigoration and strategic utilization, first, several variables were refined after interviews with experts and platform operators with investment experiences in numerous crowdfunding projects. Then, independent factors affecting project involvement were categorized as follows: a characteristic of project, participant activity, and enterprise. Also, the results derived from the influence of independent variables on crowdfunding after moderating effects were driven. Selected independent factors in this study are as follows: crowdfunding period, target amount, visual contents, minimum account money, number of comments, number of SNS followers, level of interest, financial Statement disclosure, investment attraction, venture company, intellectual property rights disclosure, and business operation period. Selected moderating factors in this study are as follows: industry (Internet, culture/art, manufacturing/distribution), and funding type (stock type, bond type). In conclusion, a discussion of the academical and practical implications and a suggestion of directions for further research are explained.

The Koreans' Time Use and Satisfaction by Age and Region: Focusing on Lifestyle Types (한국인의 연령별 및 지역별 생활시간 사용과 만족도: 라이프스타일 유형을 중심으로)

  • Yang, Min Ah;Won, Kyung-A;Park, Ji-Hyuk
    • 한국노년학
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    • v.40 no.1
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    • pp.23-32
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    • 2020
  • The purpose of this study is to identify lifestyle types for Koreans' time use through the 2014 National Time Survey. In this 2014 national life time survey data, the required maintenance time, mandatory time, and free time presented in the triangle model were divided into three areas, and compared and analyzed by age and region. In this type of lifestyle, teenagers, people in their 20s and 50s were given reasonable life-seeking, people in their 30s and 40s were given achievement-seeking, and people in their 60s, 70s and 80s were given passive real-life seeking. The required maintenance time of each regional lifestyle activity was Jeonbuk, Ulsan, and Gangwon took up the most time during free time. The higher the age, the higher the satisfaction level of each age, the higher the satisfaction level of life, while the satisfaction level of each region was the highest in Daejeon and the lowest in Ulsan. The satisfaction level for each lifestyle type was higher, followed by rational life pursuit, achievement pursuit and passive reality. It seems that systematic research on lifestyle will be needed in future studies through the diversification of areas of time, classification according to leisure characteristics, and type of lifestyle.