• 제목/요약/키워드: Multiple attributes evaluation

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Information measures for generalized hesitant fuzzy information

  • 박진한;곽희은;권영철
    • 한국지능시스템학회논문지
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    • 제26권1호
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    • pp.76-81
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    • 2016
  • In this paper, we present the entropy and similarity measure for generalized hesitant fuzzy information, and discuss their desirable properties. Some measure formulas are developed, and the relationships among them are investigated. We show that the similarity measure and entropy for generalized hesitant fuzzy information can be transformed by each other based on their axiomatic definitions. Furthermore, an approach of multiple attribute decision making problems where attribute weights are unknown and the evaluation values of attributes for each alternative are given in the form of GHFEs is investigated.

Torsional parameters importance in the structural response of multiscale asymmetric-plan buildings

  • Bakas, Nikolaos;Makridakis, Spyros;Papadrakakis, Manolis
    • Coupled systems mechanics
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    • 제6권1호
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    • pp.55-74
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    • 2017
  • The evaluation of torsional effects on multistory buildings remains an open issue, despite considerable research efforts and numerous publications. In this study, a large number of multiple test structures are considered with normally distributed topological attributes, in order to quantify the statistically derived relationships between the torsional criteria and response parameters. The linear regression analysis results, depict that the center of twist and the ratio of torsion (ROT) index proved numerically to be the most reliable criteria for the prediction of the modal rotation and displacements, however the residuals distribution and R-squared derived for the ductility demands prediction, was not constant and low respectively. Thus, the assessment of the torsional parameters' contribution to the nonlinear structural response was investigated using artificial neural networks. Utilizing the connection weights approach, the Center of Strength, Torsional Stiffness and the Base Shear Torque curves were found to exhibit the highest impact numerically, while all the other torsional indices' contribution was investigated and quantified.

청소년들의 패션 혁신성에 따른 한국적 이미지 패션상품에 대한 평가 (Adolescents' Fashion Innovativeness and Evaluation of Korean Image Fashion Products)

  • 양희순;이유리
    • 한국의류학회지
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    • 제33권4호
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    • pp.666-677
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    • 2009
  • The purpose of this study was to analyze market opportunities for Korean image fashion products, focusing on adolescents. In other words, preference, purchase intention and gift intention of adolescents on Korean image fashion products were analyzed. For this study, four stimuli which reflect Korean image were chosen. We measured design evaluation and adolescent fashion innovativeness. The subjects for this study were 219 high school students. The data were analyzed by descriptive statistics, ANOVA, Duncan test, cross-tabulation, correlation analysis, multiple regression. The more innovative the subject is, the higher the clothing purchase frequency and the purchase price are. Also, high-innovative group showed that they like Korean image fashion products more than low one. Product attributes such as prettiness and newness significantly influenced purchase intention for their own use and for others as a gift. In conclusion, when related marketers and scholars provide Korean image products that target adolescents, they should try to make those products more sophisticated and modern.

쾌속조형공정 선정을 위한 지원 시스템 (A Decision Support System for the Selection of a Rapid Prototyping Process)

  • 변홍석;이관행
    • 한국정밀공학회:학술대회논문집
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    • 한국정밀공학회 2003년도 춘계학술대회 논문집
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    • pp.5-8
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    • 2003
  • This paper presents a methodology to be able to select an appropriate RP system that suits the end use of a part. Evaluation factors used in process selection include major attributes such as accuracy, roughness, strength, elongation, part cost and build time that greatly affect the performance of RP systems. Crisp values such as accuracy and surface roughness are obtained with a new test part developed. The test part is designed with conjoint analysis to reflect users' preference. The part cost and build time that have approximate ranges due to cost and many variable parameters are presented by linguistic values that can be described with triangular fuzzy numbers. Based on the evaluation values obtained, an appropriate RP process for a specific part application is selected by using the modified TOPSIS(Technique of Order Preference by Similarity to Ideal Solution) method. It uses crisp data as well as linguistic variables, and each weight on the alternatives is assigned by using pair-wise comparison matrix. The ranking order helps the decision making of the selection of RP systems.

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문화관광축제 방문객의 평가속성 만족과 행동의도에 관한 연구 - 2006 광주김치대축제를 중심으로 - (The Effects of Evaluation Attributes of Cultural Tourism Festivals on Satisfaction and Behavioral Intention)

  • 김정훈
    • 마케팅과학연구
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    • 제17권2호
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    • pp.55-73
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    • 2007
  • 문화관광축제는 전국의 지역축제 가운데 광역시 도에서 추천한 축제 가운데 관광상품성이 크고, 경쟁력 있는 우수한 축제를 선정하여 지원하는 사업이다. 문화관광축제 종합평가계획(문화관광부, 2006)에 의하면 방문객의 만족도 평가, 전문위원 평가, 그리고 축제 개선실적 등을 감안하여 최우수축제, 우수축제, 유망축제, 예비축제로 선정되고 있다. 특히 예비축제를 제외한 문화관광축제는 공공부문의 사업비 지원을 받기 때문에 1,000여 개가 넘는 지역축제의 방문객 만족도 평가는 상호비교가 가능한 평가척도를 이용하여 종합평가분석이 이루어진고 있다. 이러한 견지에서 본 연구에서는 문화관광축제 공통평가속성이 방문객 만족과 사후행동의도에 미치는 영향관계를 파악하여, 향후 축제기획 시 방문객 만족도 제고와 지속가능한 문화관광축제로 선정되기 위한 시사점을 제시하였다. 본 연구에서는 이론연구를 통하여 문화관광축제 평가속성, 만족, 그리고 행위의도에 관한 변수를 도출하였으며, 2006 광주김치대축제 방문객을 대상으로 실증분석을 수행하였다. 문화관광축제 평가속성에 대한 요인분석을 통하여 홍보안내, 행사내용, 기념품 음식, 편의시설 요인을 도출하였으며, 축제방문객 만족과 행동의도와의 관계를 분석하였다. 연구모형을 통해 수립한 연구가설은 차이분석, 회귀분석, 공분산 구조분석 등을 통해 검증하였으며, 연구결과 모든 가설은 채택되었다. 향후 본 연구결과를 바탕으로 본 축제와 성격이 유사한 축제방문객 분석을 통한 비교연구를 기대한다.

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토양의 정량적 및 정성적 특성을 이용한 연초 경작지의 비옥도 평가 (Fertility Evaluation of Tobacco Field by Quantitative and Qualitative Characteristics of Soils)

  • 홍순달;김기인;이윤환;정훈채;김용연
    • 한국연초학회지
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    • 제22권2호
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    • pp.123-132
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    • 2000
  • Evaluation method of soil fertility by combination of soil color characteristics and survey data from soil map as well as chemical properties was investigated on total 35 field and pot experiments. Total 35 tobacco fields including 11 fields located at Cheonweon county in Chungnam Province, 9 fields located at Goesan county in Chungbuk Province, and 15 fields located at Youngcheon county in Kyongbuk Province were selected in 1984 to cover the wide range of distribution in landscape and soil attributes. Yields of tobacco grown on the plots of both the pot and field experiment which were not applied with any fertilizer were considered as basic fertility of the soil (BFS). The BFS was estimated by 32 independent variables including 15 chemical properties, 3 color characteristics, and 14 soil survey data from soil map. Twenty-four independent variables containing 16 quantitative variables selected from 24 quantitative variables by collinearity diagnostics and 8 qualitative variables, were classified and analyzed by multiple linear regression (MLR) of REG and GLM models of SAS. Tobacco yield of field experiment showed high variations by eight times in difference between minimum and maximum yield indicating the diverse soil fertility among the experimental fields. Evaluation for the BFS by the MLR including quantitative variables was still more confidential than that by a single index and that showed more improvement of coefficient of determination ($R^2$) in pot experiment than in field experiment. Evaluation for the BFS by MLR in field experiment was still improved by adding qualitative variables as well as quantitative variables. The variability in the BFS of field experiment was explained 43.2% by quantitative variables and 67.95% by adding both the quantitative and qualitative variables compared with 21.7% by simple regression with NO$_3$-N content in soil. The regression evaluation for the best evaluation of the BFS of field experiment by MLR included NO$_3$-N content, L value, and a value of soil color as quantitative variables and available soil depth and topography as qualitative variables. Consequently, it is assumed that this approach by the MLR including both the quantitative and qualitative variables was available as an evaluation model of soil fertility for tobacco field.

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고객 확대를 위한 대학급식소 신설의 객관적 근거 모색 및 급식소 위치에 따른 마케팅 전략 수립 사례 연구 (A Case Study on Establishment of the Authority for Newly-formed Foodservice and the Marketing strategies for College Union Foodservice)

  • 박문경;김창준;양일선
    • 대한영양사협회학술지
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    • 제13권1호
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    • pp.15-29
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    • 2007
  • This study was designed to : (a) investigate the present situations of a college union foodservice and suggest authority on establishing new college foodservice, (b) estimate the service quality attributes as perceived by students, (c) identify the effecting factor to customer satisfaction, and (d) formulate the plans and marketing strategies for the increasing usage rate of the foodservice in the future. The questionnaire that developed by interviewing student were conducted with 305 male and female students, who were registered for daytime classes. A total of 284 were usable and data was analyzed by the SPSS(ver. 11.0) for the descriptive analysis, factor analysis, reliability test, multiple regression analysis, t-test, and $x^2$. The decrease in the usage rate of college foodservice by the respondents were influenced most by the 'taste of meal' and next by the 'distance'. The service quality attributes of foodservice currently under operation were evaluated above the average only for the 'price' while evaluated generally to be in the lower level of the average or under for others. As the overall level of satisfaction with the college union foodservice, most of the respondents showed the 36% for the ‘dissatisfaction’ and dissatisfied at 54.4%. Two service quality dimensions,"food . sanitation . service" and "price and comfortable environment" were derived from factor analysis and the reasons for decreasing usage rate of the college foodservice both the nearly located group from college union foodservice(NG) and the far away located group from college union foodservie(FG) indicated the ‘poor taste’ and the 'far distance', and the 'evaluation of students' dining room showed a low rating for the factor of "food . sanitation . service". "food . sanitation . service" was analyzed to have more influence to the overall customer satisfaction.

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미국 여대생의 의복 추구 혜택과 니트웨어 구매 행동 (Benefits Sought and Knitwear Purchasing Behavior of Female College Students in the U.S.)

  • 이옥희
    • 복식문화연구
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    • 제14권4호
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    • pp.542-555
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    • 2006
  • The main objective of this study was to investigate the relationship between benefits segmentation and knitwear purchasing behavior of college female students in the U.S. The questionnaires for this survey were developed to measure knitwear purchasing behavior and benefits segmentation. The questionnaire was administered to 119 female college students in the University of California. The data was analyzed by percentage, frequency, mean, factor analysis, Cluster Analysis and ANOVA, Duncan Multiple Range test. The female college students in the U.S. were classified into fourth subdivisions by the cluster analysis. In the case of fashion information sources of knit wear, significant differences were found according to benefits sought subdivision in observation of famous people's clothing, fashion articles in magazines and newspapers, TV advertisements, Newspaper advertisements, advice of salespeople, and Catalogs. The evaluation criteria of knit wear product of consumers were significantly different depending on benefits sought subdivision in design/style, quality of construction, fashionable, brand and store name, pleasing to others, prestige, and sexy. The store attributes of knitwear product of consumers were significantly different depending on benefits sought subdivision in friendliness of sales personnel, product knowledge of sales personnel, brand names, new fashion, and variety of products. The outlook for the industry of knitwear look to remain bright, there should be a continuous effort to research and invest in consumer satisfaction of knitwear.

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A Comparative Evaluation of Airline Service Quality Using Online Content Analysis: A Case Study of Korean vs. International Airlines

  • Peter Ractham;Alan Abrahams;Richard Gruss;Eojina Kim;Zachary Davis;Laddawan Kaewkitipong
    • Asia pacific journal of information systems
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    • 제31권4호
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    • pp.491-526
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    • 2021
  • Airlines can employ a variety of quality monitoring procedures. In this study, we employ a content analysis of 8 years of online reviews for Korean airlines in contrast to other international airlines. Online airline reviews are infrequent, relative to the total number of passengers - the number of reviews is multiple orders of magnitude lower than passenger volumes - and online airline reviews are, therefore, not representative of passenger attitudes overall. Nevertheless, online reviews may be indicative of specific service issues, and draw attention to aspects that require further study by airline operators. Furthermore, significant words and phrases used in these airline reviews may help airline operators to rapidly automate filtering, partitioning, and analysis of incoming passenger comments via other channels, including email, social media posts, and call center transcripts. The current study provides insights into the contents of online reviews of Korean vs Other-International airlines, and opportunities for service enhancement. Further, we provide a set of marker words and phrases that may be helpful for management dashboards that require automated partitioning of passenger comments.

글로벌 마케팅을 위한 미국과 한국, 중국 소비자들의 니트웨어 구매 패턴 연구 (A Cross-Cultural Research of Knitwear Purchasing Behavior of U.S., Korean, and Chinese Female College Students)

  • 이옥희;강영의
    • 복식문화연구
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    • 제15권3호
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    • pp.394-404
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    • 2007
  • The purpose of the study was to analyze the difference in knitwear purchasing behaviors of female college students in the U.S., Korea, and China. It was developed questionnaire that included knitwear purchasing behavior that is fashion information sources, evaluation criteria of knitwear products, store attributes of knitwear, knitwear buying places, and purchasing experience of foreign-made knitwear. The final sample used in this study consisted of 119 female college students in U.S., 150 female college students in Korea, and 217 female college students in China. Aged from 18 to 33. ANOVA, factor analysis, Duncan's multiple range test, frequency, and percentage as analysis methods were used. The results of the study were as follows. The preference of knitwear among the respondents was shown highly. This result is due to a world-wide trend of casual clothing, and is to prove, that knitwear is that made with flexibility, drape, and stretch, is the item that is able to satisfy consumer's desires. Knitwear preference of knitwear the U.S. respondents was shown highly, and buying intention of them was also high, not only for sweaters and t-shirts but for pants, skirts, jackets, coats, and dresses as well. Knitwear information the U.S. respondents considered important, was not only purchasing experience but also shop display and magazine advertisements. By evaluating criteria of knitwear, the U.S. respondents considered good fit, design, color, and comfort important, and they didn't consider the country of origin important. By store attributes of knitwear, the U.S. respondents specially considered the display, variety, price level, and sale frequency of merchandise. The respondents of China was shown higher than them of Korea in the intention of all items. Knitwear information the China respondents considered important, was not only purchasing experience but also shop advertisements of Newspaper and magazine and fashion articles in Newspaper and magazine. By evaluating criteria of knitwear, the China respondents considered good fit, design, color, and comfort important, and they considered fiber content and the country of origin higher than the respondents of U.S. By Store attributes of knitwear, the China respondents specially considered product knowledge and friendliness of sales personnel, Layaway payment plan, Brand names, New Fashion, and Dressing Facilities higher than the respondents of U.S. or Korea.

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