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이범재(Beom Jae Lee),정경일(Kyung Il Chung) 한국관광연구학회 2011 관광연구저널 Vol.25 No.5
This study was designed to examine the priorities and the solutions for golf popularization in Korea through Importance-Performance Analysis of domestic golfers` perception. The samples were selected from visitors of 10 golf clubs (private:5, public:5), and finally 338 questionnaires were used for the analysis. The Methods of analysis were frequency analysis, descriptive analysis, and t-test for the analysis of differences between the importance and the performance, using SPSS 19.0. The main results were shown that the priorities for golf popularization were low green fee, low food & beverage price, low golf equipment price, low golf clothing price, reasonable membership fee, convenient reservation, more supply of public golf course, and low lesson fee.
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이범재(Beom Jae Lee),정경일(Kyung Il Chung) 한국호텔외식관광경영학회 2009 호텔경영학연구 Vol.18 No.1
The purpose of this research was to examine the corporate event planners` attributes in the process of selecting hotel banquet facilities, derive the major factors of attributes, and thereby analyze their differences between the planners` groups. The questionnaires were distributed to the samples who were event planners working for the three different areas such as advertisement agencies, event management companies, and host corporates. Finally 151 valid questionnaires were collected for data processing; frequency analysis for descriptive interpretation of general characteristics of samples, factor analysis for deriving major factors of selecting attributes, and oneway-ANOVA for the analysis of differences between sample groups. The results from the analysis were as follows. Firstly, almost the half of the total number of events held in hotel were events with the purpose of communicating corporate image, (e.g. new product launching, corporate vision announcement, customer thank-you party). Secondly, the size of banquet facility, hotel image, hotel grade, parking facility, and ambience of banquet hall were analyzed as more important factors of selecting attributes. Thirdly, as the results of difference analysis of selecting attributes based on demographic variables, the higher the planners` career were, the more importantly banquet supporting facility were considered, and the higher the planners education level, the more importantly the service level, size of banquet hall, and banquet expenses factor were considered. Fourthly as the results of difference analysis based on planner`s position and the size of event, event management companies regarded supporting facility and experience/reputation factors as more important, while advertisement agencies regarded supporting facility and hotel image factor as more important. Finally, in case of 300-700 participants event, accessibility and parking convenience factors were considered as more important.
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이범재(Beom Jae Lee),정경일(Kyung Il Chung) 한국관광연구학회 2008 관광연구저널 Vol.22 No.4
The purpose of this paper was to analyze the differences of golf expenditure and visiting motives based on their demographic and behavioral characteristics. The samples were collected from 178 amateur golfers who were residing in the Seoul & Vicinity Area. The data processing method was factor analysis for visiting motives, and t-test/oneway-ANOVA for the analysis of differences. Descriptive statistics indicated that the average monthly expenditure was 763,000 Won and there were 6 factors of visiting motives such as leisure activity, human relation, competition, enjoyment, nature-friendliness, and health. The results of difference analysis showed that firstly the professionals/self-owned worker group spent higher expenditure and paid more importance to human relation as their visiting motive, secondly the membership-holder group spent higher expenditure and paid more importance to various types of visiting motives like enjoyment, nature-friendliness, health, competition, thirdly the group whose golf companions were like-minded and business-related persons was characterized as more human-relation oriented and spent higher expenditure, and lastly Seoul/Vicinity residents group and 5 year-plus career golfers has more tendency to high expenditure and competition as their visiting motive.
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손일선,배동호,홍정균,이범노,Son, Il-Seon,Bae, Dong-Ho,Hong, Jeong-Gyun,Lee, Beom-No 대한기계학회 2000 大韓機械學會論文集A Vol.24 No.3
Because welding residual stress is formidable result in electric resistance spot welding process, and it detrimentally affect to fatigue crack initiation and growth at nugget edge of spot welded la p joints, it should be considered in fatigue analysis. Thus, accurate prediction of residual stress is very important. In this study, nonlinear finite element analysis on welding residual stress generated in process of the spot welding was conducted, and their results were compared with experimental data measured by X-ray diffraction method. By using their results, the maximum principal stress considered welding residual stress at nugget edge of the spot welded lap joint subjected to tension-shear load was calculated by superposition method. And, the $\Delta$P- $N_f$ relations obtained through fatigue, tests on the IB-type spot welded lap joints was systematically rearranged with the maximum principal stress considered welding residual stress. From the results, it was found th2at fatigue strength of the IB-type spot welded lap joints could be systematically and more reasonably rearranged by the maximum principal stress($\sigma$1max-res considered welding residual stress at nugget edge of the spot welding point.
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모바일 멀티모달 센서 정보의 앙상블 학습을 이용한 장소 인식
이충연(Chung-Yeon Lee),이범진(Beom-Jin Lee),온경운(Kyoung-Woon On),하정우(Jung-Woo Ha),김홍일(Hong-Il Kim),장병탁(Byoung-Tak Zhang) 한국정보과학회 2015 정보과학회 컴퓨팅의 실제 논문지 Vol.21 No.1
본 논문에서는 시각, 음향, 위치 정보를 포함하는 멀티모달 센서 입력 정보로부터 사용자가 위치한 장소의 환경 정보를 학습하고 기계학습 추론을 통해 장소를 인식하는 방법을 제안한다. 이 방법은 음영 지역에서의 정확도 감소나 추가 하드웨어 필요 등 기존 위치 정보 인식 방법이 가지는 제약을 극복 가능하고, 지도상의 단순 좌표 인식이 아닌 논리적 위치 정보 인식을 수행 가능하다는 점에서 해당 위치와 관련된 특정 정보를 활용하여 다양한 생활편의를 제공하는 위치 기반 서비스를 수행하는데 보다 효과적인 방법이 될 수 있다. 제안하는 방법에서는 스마트폰에 내장된 카메라, 마이크로폰, GPS 센서 모듈로부터 획득한 시각, 음향, 위치 정보로부터 특징 벡터들을 추출하여 학습한다. 이때 서로 다른 특성을 가진 특징 벡터들을 학습하기 위해 각각의 특징 벡터들을 서로 다른 분류기를 통해 학습한 후, 그 결과를 기반으로 최종적인 하나의 분류 결과를 얻어내는 앙상블 기법을 사용한다. 실험 결과에서는 각각의 데이터를 따로 학습하여 분류한 결과와 비교하여 높은 성능을 보였다. 또한 사용자 상황인지 기반 서비스의 성능 향상을 위한 방법으로서 제안하는 모델의 스마트폰 앱 구현을 통한 활용 가능성에 대해 논의한다. Place awareness is an essential for location-based services that are widely provided to smartphone users. However, traditional GPS-based methods are only valid outdoors where the GPS signal is strong and also require symbolic place information of the physical location. In this paper, environmental sounds and images are used to recognize important aspects of each place. The proposed method extracts feature vectors from visual, auditory and location data recorded by a smartphone with built-in camera, microphone and GPS sensors modules. The heterogeneous feature vectors were then learned by an ensemble learning method that learns each group of feature vectors for each classifier respectively and votes to produce the highest weighted result. The proposed method is evaluated for place recognition using a data group of 3000 samples in six places and the experimental results show a remarkably improved recognition accuracy when using all kinds of sensory data comparing to results using data from a single sensor or audio-visual integrated data only.
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김미연(Mi Yeon Kim),이범재(Beom Jae Lee),정경일(Kyung Il Chung) 한국관광연구학회 2015 관광연구저널 Vol.29 No.3
This study was designed to derive marketing strategies for the increase of wine sales in the wine shop through the improvement of wine shop Sommeliers`` competences. To meet the purpose of the study, an Importance-Performance -Analysis (IPA) was implemented to find the wine consumers` priorities required for the Sommeliers`` competences. A questionnaire was distributed to customers using the local wine shop, Were surveyed a total of 310 people, finally, 261 people responded to the survey. Survey questions is greatly divided into two parts. The first part is a question of importance and satisfaction of the sommelier’s competences, Based on previous research 25 questionnaires were extracted related to knowledge(expertise), communication(interaction), kindness(services), reliability and except for 5 questionnaires, 20 questionnaires were adopted. The second part is a demographic characteristic variables of the respondents, it was made up of 12 questionnaires including gender, age, marital status, final education, occupation, income, annual number of visits, etc. The data analysis tools were used SPSS Window 21, The frequency analysis was used for the characterization of the respondents, Technical analysis was used to determine importance and satisfaction rankings of the measured variables, The corresponding t-test match analysis were used in order to identify the differences between importance and satisfaction. The main results were shown that the most imminent priorities among the Sommeliers` competences were wine-food matching, wine-taste knowledge, value-price recommendation, actively responding service, and coping skills with customers.
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