• Title/Summary/Keyword: preferences for science

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Effects of Colorimetric Properties and Color Sensibility Factors on Color Preferences for Green Yellow Natural Dyed Silk Fabrics: Focused on Combination Dyeing with Indigo and Japanese Pagoda Tree (연두색 천연염색 견직물의 색채특성과 감성요인이 선호도에 미치는 영향: 쪽과 괴화의 복합염색을 중심으로)

  • Shin, Judong;Kim, Yeowon;Choi, Jongmyoung
    • Science of Emotion and Sensibility
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    • v.21 no.1
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    • pp.143-154
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    • 2018
  • This study was performed in order to suggest useful data for color planning of eco-friendly and sensible fashion products. Silk fabrics were dyed in combination with natural indigo and Japanese pagoda tree and were treated with four kinds of mordants after combination dyeing. Then, their colorimetric properties were evaluated. From these composite-dyed silk fabrics, color sensibilities and color preferences of green yellow (GY) color were evaluated among the female university students, and thus, the influences of colorimetric properties and color sensibilities on color preferences were analyzed. When the silk fabrics were dyed in the combination of natural indigo and Japanese pagoda tree and were treated without mordants, they turned green color when indigo 10 g/L was used, and blue-green when indigo 20 g/L was added. And when they were dyed in combination of natural indigo and Japanese pagoda tree and were treated with four kind of mordants after combination dyeing, they turned GY color in almost all cases. The color sensibilities of the GY silk fabrics with the combination dyeing of indigo and Japanese pagoda tree, were classified into three factors: pleasantness, gracefulness, and comfort. Color sensibility factors showed significant differences according to the concentration of indigo and the kinds of mordants. There were almost significant relationships between colorimetric properties and color sensibilities factors of compositely dyed GY silk fabrics. The color preferences of the GY fabrics, which were dyed in the combination of using natural indigo and Japanese pagoda tree and four kinds of mordants, were found to be predicted by the color sensibility in a regression model.

Selection of scheduling heuristics using neural network and MCDM (신경망과 다속성 의사결정 기법을 이용한 일정관리 휴리스틱의 선택)

  • 황인수;한재민
    • Korean Management Science Review
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    • v.13 no.3
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    • pp.173-186
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    • 1996
  • This paper presents an approach for classifying scheduling problems and selecting a heuristic rule to yield best solution in terms of certain performance measure(s). Classification parameters are employed from previous studies on job shop scheduling and project scheduling. Neural network is used for learning and estimating the performance of heuristic rules. In addition, multi-criteria decision making techniques are employed to combine the preferences for each performance measure and heuristic rule for the problems with multi-objectives.

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Survey on Food Characteristic Preferences for Rural Healing Tourism for Adults in Urban Areas (도시지역 성인의 농촌치유관광 음식 특성 선호도 조사)

  • Park, Young-Hee;Kim, Young;Son, Ho-GI;Hwang, Young
    • The Korean Journal of Community Living Science
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    • v.27 no.4
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    • pp.755-777
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    • 2016
  • This study was conducted to investigate food needs for dining out in the context of rural healing tourism by surveying food preference characteristics. A total of 600 adults in an urban area completed an online questionnaire on food characteristics for rural healing tourism. Regarding the purpose of rural healing tourism, 61.2% of respondents answered 'relaxation' while 6.3% answered 'promotion of health'. Exactly 66.3% of respondents selected Korean foods (rice) as the preferable food type for dining out in the context of rural healing tourism. Respondents considered 'regionality' and 'ingredient' as more important among food quality characteristics, whereas 'professionality' was less important. Females perceived 'nutrition' and 'cooking' as more important than males. Among food characteristics of professionality, regionality, and traditionality, respondents most preferred 'using regional specialty food'. Preference for 'using traditional food' significantly increased with subject's age. Respondents rated 'balanced nutrition' most highly among food characteristics of health and nutrition. 'Seasonal food' was the most preferred food characteristic among cooking and ingredients. Females showed higher interest in nutrition, cooking, and ingredients and higher preferences related to food characteristics of nutrition, cooking, and ingredients than males. In conclusion, Korean foods (rice) or Korean full course menu items using local specialty foods or seasonal foods with balanced nutrition are needed for dining out in the context of rural healing tourism.

Attribute analysis for cellular phone using conjoint analysis (컨조인트 분석을 이용한 휴대폰 속성 분석)

  • Ji, Hye-Young;Cho, Wan-Hyun
    • Journal of the Korean Data and Information Science Society
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    • v.20 no.4
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    • pp.695-703
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    • 2009
  • Currently, various cellular phone products with multiple functions and diverse designs are coming out in the cellular phone market. Companies have been developing their products for profit maximization, considering preferences of customers. In this article, we have created 18 profiles using the SPSS program and executed a survey to analyze preferences of college students. Also, we have grasped the relative importance of each attribute using conjoint analysis and executed clustering analysis to make market segmentation by binding the respondents who have similar partial value utilities. Lastly, by choice simulation, we have predicted market shares of 18 virtual products.

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Multi-objective Optimization Model with AHP Decision-making for Cloud Service Composition

  • Liu, Li;Zhang, Miao
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.9 no.9
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    • pp.3293-3311
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    • 2015
  • Cloud services are required to be composed as a single service to fulfill the workflow applications. Service composition in Cloud raises new challenges caused by the diversity of users with different QoS requirements and vague preferences, as well as the development of cloud computing having geographically distributed characteristics. So the selection of the best service composition is a complex problem and it faces trade-off among various QoS criteria. In this paper, we propose a Cloud service composition approach based on evolutionary algorithms, i.e., NSGA-II and MOPSO. We utilize the combination of multi-objective evolutionary approaches and Decision-Making method (AHP) to solve Cloud service composition optimization problem. The weights generated from AHP are applied to the Crowding Distance calculations of the above two evolutionary algorithms. Our algorithm beats single-objective algorithms on the optimization ability. And compared with general multi-objective algorithms, it is able to precisely capture the users' preferences. The results of the simulation also show that our approach can achieve a better scalability.

The Nature of Housing (Apartment) Demand and Residential Mobility (공동주택수요의 특성과 신도시 이주성향에 관한 연구)

  • 하성규;김재익
    • Journal of the Korean Regional Science Association
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    • v.6 no.1
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    • pp.39-55
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    • 1990
  • The principal measure of housing demand is income and the preferences expressed by households through their respective indifference curves. In this context, housing essentially becomes a derived demand, i.e., the household consumes land and a location (or distance-in time and money costs), according to its relative preferences for space, accessibility, and all other nonhousing goods. This paper attempts to deal with both aspects of housing (apartment) demand and household mobility in the Seoul Metropolitan Areas. Housing services will be measured using hedonic regression technique. From observations on the market prices of dwelling units and on the underlying characteristics of housing, one can estimte the relationships between the two empirically. In predicting the probability of the future moves into new towns in the Seoul Metropolitan areas, the best predictors of the future moves into new best predictors are found to be the degree of satisfaction not only with the current residence as a whole, but with some of the major amenities, accessibility and child education. The reasons for moving into new towns are diverse depending on the households' current situation; the most frequently cited is "improvement of housing conditions," followed by "improvement of living environment," "asset improvement" and "home ownership". It appears that people move houses because of a dissatisfaction with their current housing status, relative their income or needs, or a desire to improve their housing and neighborhood amenities, or both. On the other hand, it is clear that the development of new towns in the Seoul Metropolitan Areas should be based on the analysis of housing demand and the pattern of household mobility in Seoul housing market.sehold mobility in Seoul housing market.

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The art of diabetes care: guidelines for a holistic approach to human and social factors

  • Muhammad Jawad Hashim
    • Journal of Yeungnam Medical Science
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    • v.40 no.2
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    • pp.218-222
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    • 2023
  • A holistic approach to diabetes considers patient preferences, emotional health, living conditions, and other contextual factors, in addition to medication selection. Human and social factors influence treatment adherence and clinical outcomes. Social issues, cost of care, out-of-pocket expenses, pill burden (number and frequency), and injectable drugs such as insulin, can affect adherence. Clinicians can ask about these contextual factors when discussing treatment options with patients. Patients' emotional health can also affect diabetes self-care. Social stressors such as family issues may impair self-care behaviors. Diabetes can also lead to emotional stress. Diabetes distress correlates with worse glycemic control and lower overall well-being. Patient-centered communication can build the foundation of a trusting relationship with the clinician. Respect for patient preferences and fears can build trust. Relevant communication skills include asking open-ended questions, expressing empathy, active listening, and exploring the patient's perspective. Glycemic goals must be personalized based on frailty, the risk of hypoglycemia, and healthy life expectancy. Lifestyle counseling requires a nonjudgmental approach and tactfulness. The art of diabetes care rests on clinicians perceiving a patient's emotional state. Tailoring the level of advice and diabetes targets based on a patient's personal and contextual factors requires mindfulness by clinicians.

The Upper Grade Elementary Student's Parents' Awareness and Preference of Korean Traditional Foods in ChungNam Area - Focusing on Tteok, Hankwa, Korean traditional drink - (충남지역 고학년 초등학생 학부모의 전통음식에 대한 인식과 선호도 - 떡, 한과, 전통음료를 중심으로 -)

  • Kang, Min Jeong;Jhee, OkHwa
    • Journal of the Korean Society of Food Culture
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    • v.29 no.3
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    • pp.240-249
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    • 2014
  • In terms of awareness of Korean traditional food, elementary students are most affected by their parents. The objective of this study was to analyze upper grade elementary students' parental awareness and preference of Korean traditional foods in the Chungnam Area. In a survey of 126 parents, 58% of subjects were interested in Korean traditional foods, but there was no significant difference according to age. About 87% of parents thought that inheritance of knowledge on Korean traditional foods was needed. The reasons for inheritance of knowledge on Korean traditional foods were 'To stick to style of Korean traditional foods' (68.2%), 'Palatable' (21.8%), 'Education for children' (6.4%), and 'Beautiful and fine custom' (3.6%). The awareness point of 'Korean traditional foods are easy for cooking' increased with increasing age (p<0.01). In all age groups, subjects highly recognized that Korean traditional foods are good for health. There were significant correlations between overall preferences for Tteok and Hankwa (r=0.351, p=0.001), Hankwa and Korean traditional drink (r=0.374, p=0.001), and Korean traditional drink and Tteok (r=0.406, p=0.001). As a result, preferences for other items also increased when preference for one of the three traditional foods increased. Therefore, education on Korean traditional foods is necessary in order to satisfy parental preferences.

A Study on Eating Habits by Body Constitution Types of the Sasang Constitutional Medicine Among Female College Students (사상체질형태에 따른 여대생의 식습관)

  • 박금순;김혜경
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.32 no.2
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    • pp.302-306
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    • 2003
  • The purposes of this study were to investigate eating attitudes and food Preferences among female college students by their body constitution types, such as Tae-yang, Tae-eum, So-yang, and So-eum by using the more accurate and objective classification method of the Sasang Constitutional Medicine. People with Tae-eum (51.6%)body constitution type showed the highest percentage level, followed by So-yang (33.0%) and So-eum (15.4%)body constitution types. In respect to the taste preference, people with Tae-eum and So-yang body constitution types tended to preferred spicy taste and So-eum body constitution type preferred sweet taste. In the satisfaction and interests toward the body shape, people with Tae-eum body constitution types showed the lowest satisfaction levels for their body shapes and showed the highest interests levels for their body shapes. In regard to eating attitudes, So-eum body constitution type state that they eat food relatively slowly. Tae-eum and So-yang body constitution type state that they eat food until they feel full. Tae-eum body constitution type state they normally overeat when they got stressed. The food preferences for the food group, there is no significant difference body constitution types with regard to food preferences.

Estimation of Habitat Suitability Index of Fish Species in the Gapyeong stream (가평천 어류의 서식처적합도지수 산정)

  • Kong, Dongsoo;Son, Se-Hwan;Kim, Jin-Young;Kim, Piljae;Kwon, Yongju;Kim, Jungwoo;Kim, Ye Ji;Min, Jeong Ki;Kim, Ah Reum
    • Journal of Korean Society on Water Environment
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    • v.33 no.6
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    • pp.626-639
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    • 2017
  • Based on an ecological monitoring in a Korean stream (Gapyeong), Habitat Suitability Index (HSI) of nine fish species was developed for three physical habitat factors : current velocity, water depth and substrate. The species were chosen based on their abundance and frequency in the fish community of the Gapyeong stream. The Weibull model was used as the probability density function to analyze the distribution and number of each fish species according to the three identified physical factors, which showed good results. This HSI equation has advantages because it statistically expresses habitat preferences of fish species simply and clearly. From that, we can quantitatively deduce the central tendency and variation of environmental factors for fish distribution. The selected fish species showed different preferences for each habitat factor respectively. Although there are some exceptions, the distribution and abundance of individual species of nektonic fish (Zacco koreanus, Zacco platypus, Microphysogobio longidorsalis and Pungtungia herzi) were positively skewed to deep water and fine substrate while riffle-benthic fish (Koreocobitis rotundicaudata and Coreoleuciscus splendidus) were normally distributed at the shallow and coarse substrate zone. It seems that the species showing the positively skewed distribution to the current, Z. koreanus, Z. platypus, M. longidorsalis and P. herzi have adapted themselves to the fast current and have expanded their niche.