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콘텐츠 속성에 따른 계층적 그룹화 추천시스템: 'The Movie Dataset' 분석사례연구
김윤경,여인권,Kim, Yoon Kyoung,Yeo, In-Kwon 한국통계학회 2020 응용통계연구 Vol.33 No.6
넷플릭스, 아마존, 유튜브 등 대형 플랫폼에서는 고객의 다양한 정보를 활용하여 정밀한 추천시스템을 마련하고 여기서 추천된 상당수의 아이템이 실제 구매로 이어지고 있다. 본 논문에서는 추천 컨텐츠의 속성에 따라 사용자의 선호도에 차이가 있을 것이라고 예상하고 콘텐츠의 속성에 따라 군집분석을 실시하였다. 속성의 형태와 관계없이 사용할 수 있도록 Gower 거리를 사용했다. 본 논문에서는 영화 평점 사이트인 'The Movie Dataset'의 자료를 이용하여 영화의 기본정보인 장르, 감독 및 배우 변수를 바탕으로 사용자를 계층적으로 분류하고 영화를 추천하였다. 본 논문에서 제안한 추천 시스템을 평가하기 위하여 각 사용자 그룹별로 훈련자료와 검증자료로 나누어 정밀도를 살펴보았다. 그 결과 UBCF보다 월등히 높은 정밀도를 갖는 것으로 나타났다. Global platforms such as Netflix, Amazon, and YouTube have developed a precise recommendation system based on various information from large set of customers and many of the items recommended here are leading to actual purchases. In this paper, a cluster analysis was conducted according to the attribute of the content, expecting that there would be a difference in user preferences according to the attribute of the recommended content. Gower distance was used for use regardless of the type of variables. In this paper, using the data of movie rating site 'The Movie Dataset', the users were grouped hierarchically and recommended movies based on genre, director and actor variables. To evaluate the recommended systems proposed, user group was divided into train set and test set to examine the precision. The results showed that proposed algorithms have far higher precision than UBCF.
패션 이미지어(語)의 연상 어휘 분석을 통한 디자인 발상차원에 관한 연구 -클래식, 아방가르드 이미지어를 중심으로-
김윤경 ( Yoon Kyoung Kim ) 한국의류학회 2020 한국의류학회지 Vol.44 No.3
This study researches the association between associative vocabulary and fashion image language in order to extract ideas that can be used as basic data for design ideas. Classic - avant-garde imaged language were chosen as theme words and each 70 questionnaires per a final image word were used for analysis. We obtained the following results by researching keywords that explained classic image words through a word cloud technique. It was found to have high central representation in the order of suit, classical, basic, music, Chanel, black and traditional. The core key words explaining avant-garde image language were found to have a central representation in the order of : peculiar, huge, Comme des Garçons, artistic, creative, deconstruction and individuality. We extracted the necessary idea dimensions needed for design ideas through associative network graph analysis. In the case of classical image language, it was named as the Mannish Item, Music, Modern Color, and the Traditional Classicality dimensions. In the case of avant-garde image language, it was named as the Key Image, Artistic Aura, Key Design and Designers dimensions.
디자인 발상 과정에 나타난 어휘와 디자인의 연관성 연구 -아방가르드 패션디자인을 중심으로-
김윤경 ( Yoon Kyoung Kim ) 한국의류학회 2021 한국의류학회지 Vol.45 No.4
The purpose of this study is to present the objective evaluation semantic scale of avant-garde design. Apparel majors were asked to express associative vocabulary, design development, and final design intentions for the avant-garde, and the final 70 copies were used for analysis. The results found the item style was shown often in the order of dress, coat, and combination of shirt and pants. In order, the silhouettes appeared as atypical, complex, square, and triangular; the decorations appeared as feathers, frills, and round sculptures; and the idea method appeared as extreme, association, and removal method. In examining the relations of associative words and idea designs, the dress had relations with associative words such as ‘peculiar,’ ‘futuristic,’ ‘fancy,’ ‘Comme des Garcons,’ and ‘deconstruction.’ As for the relationship between the idea design and the expression image vocabulary, it was found that ‘one piece’ recalled ‘huge,’ ‘volume,’ ‘abundant,’ ‘peculiar,’ and ‘unknown,’ while ‘coat’ recalled ‘huge,’ ‘big silhouette,’ and ‘padding.’ In conducting the word cloud technique, the overall design showed the central keywords were ‘huge,’ ‘big silhouette,’ ‘unbalance,’ ‘feather,’ ‘structural,’ ‘unknown,’ and ‘frill,’ in order.
김윤경(Yoon Kyoung Kim),한준희(Joon Hee Han) 한국정보과학회 1994 한국정보과학회 학술발표논문집 Vol.21 No.2A
본 논문에서는 복잡한 불규칙의 특징 추출 및 분류 과정에 퍼지 집합 이론을 적용하여, 얼마나 인간의 판단과 유사한 결과를 가져오는지에 대해, 기존의 방법들과 비교 연구하였다. 학습 패턴 수가 불충분할 경우에 적용되는 대표적인 nonparametric 알고리즘인 K-NN[2]과 이 방법에 퍼지 개념을 도입한 Fuzzy K-NN[5]을 소개하고 이 두 방법의 문제점을 해결하기 위해, 본 논문에서 제안한 “K 선택을 개선한 Fuzzy K-NN (Updated Fuzzy K-NN)방법”을 설명한다. 이 3가지 방법으로 32개의 클래스에 대해서 분류 실험을 구현한 결과는 각각 81.1%, 87.2%, 92.9%로, 본 논문에서 제안된 Updated Fuzzy K-NN 방법이 기존의 방법에 비해 높은 분류율을 보였다.
김윤경(Yoon Kyoung Kim),이경희(Kyoung Hee Lee) 한국의류산업학회 2001 한국의류산업학회지 Vol.3 No.3
The purpose of the study is to clarify red image in the modern fashion. 40 kinds of costume samples being visual power in red have been selected from photographs in fashion magazines and divided into tones : pale (Vp, Lgr, L), bright (P, B), vivid (S, B, Dp), dark (Gr, Dl, Dgr, Dk).The study was measured by using Semantic Differential method. The subjects were 50 students majoring in clothing and textile. The data were analyzed by factor analysis, ANOVA, discrimminant analysis, MDS and regression analysis. The results of analysis are as follow; 1. Factor analysis has extracted 5 factors of red image in the fashion. These factor are Attractiveness, Hardness and Softness, Emotion, Attention, Simplicity 2. There were significant difference in visual evaluation of red tones. 3. The discrimination among 4 red tones was related to attention and weight of red. 4. Evaluative dimensions of red was classified as Soft-Hard, Lively-Decent. 5. The image effect on Preference, Buying needs, Pleasant and Riches was consist of complicated sensibility.
김윤경(Yoon Kyoung Kim),이경희(Kyoung Hee Lee) 한국복식학회 2002 服飾 Vol.52 No.4
The purpose of this study is to review the symbolic meaning in 20th century men`s fashion through analyzing of social environment factors. After recent industrial society, men had expressed their privilege, prestige and social power according to fashion. Men`s fashion at the beginning of the 20th century was emerged as the images of robustness and strictness with perfect cutting, thick and stick fabric and dark color that were influenced by british style. It was symbolic meaning of authority orientation which showed the superiorities of social and sex classes. It was beginning of change according to social phenomena. The world war Ⅰ, Ⅱ and change of lifestyle by material affluence in automobile industry mollified rules of men`s fashion. It showed a serenity of living. Also, the growth of young culture changed trickle-down of men`s fashion into bottom-up and showed opposition for elite culture in fashion. These change particularly became acceleration by individualism, open-society and the collapse of sex class. Men expressed sexual and inherent desire for fashion that was no longer concerned with symbolizing of authority but rather with pleasure pursuit.