• 한국컴퓨터정보학회논문지
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• 제14권9호
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• pp.1-10
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• 2009

웹 서비스 조합 분야는 단일 서비스를 재사용하여 가치 있는 서비스를 생성하기 위해 등장했으며, 최근에는 차세대 웹 서비스인 시멘틱 웹을 구현하기 위해 IOPE를 기반으로 단순 검색 및 조합 대신에 규칙이나 AI를 통한 검색 및 조합 방법이 제안되고 있다. 또한 보다 효율적인 모듈화를 위해 기존의 객체지향 프로그래밍 방식보다는 관점지향 프로그래밍 방식이 도입되고 있다. 본 논문에서는 시멘틱 웹을 위해 관점지향 프로그래밍(Aspect-Oriented Programming, AOP) 및 리플렉션(Reflection)을 적용한 동적 웹 서비스 조합 및 실행 기법을 설계한다. 제안하는 기법은 웹 서비스의 메타 데이터를 동적으로 획득하기 위해 리플렉션 기법을 사용하고 아울러 동적으로 웹 서비스를 조합하기 위해 AOP 기반 접근방식을 통해 바이트 코드를 생성한다. 또한 리플렉션을 이용한 동적 프록시 객체를 통해 조합된 웹 서비스를 실행하는 방식을 제안한다. 제안하는 기법의 성능 평가를 위해 비즈니스 로직 계층과 사용자 뷰 계층 측면에서 조합된 웹 서비스를 검색하는 것에 대한 실험을 수행한다.

• 한국과학교육학회지
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• 제29권5호
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• pp.580-591
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• 2009

본 연구의 목적은 예비 과학교사들이 교육실습 중 겪는 어려움에 대해 분석하고 이를 통해 사범대학 교육과정에 대한 시사점을 얻기 위한 것이다. 56명의 중등 예비 과학 교사들은 교육실습 동안의 일화에 대해 기록하도록 요구받았다. 중등 예비 과학교사들은 수업지도와 관련해 가장 많은 어려움을 겪은 것으로 나타났다. 학습자 흥미 유발과 주의 집중, 적절한 발문 구성, 학습자의 수준을 파악하는 것 등이 특히 어려웠던 것으로 응답했다. 실험 지도와 관련해 예비 과학교사들은 실험 수업 중 학생들을 어떻게 통제할 것인가에 대해 노력을 많이 한 것으로 나타났다. 예비 과학교사들은 생활지도와 관련해 상담 시간이 부족했고 상담 내용이나 수준이 불만족스러웠던 것으로 나타났다. 따라서 사범대학 교육과정을 더욱 내실있게 운영하기 위해서는 교육실습의 이행 뿐만 아니라 피드백을 통해 꾸준히 개선시켜나가야 할 필요가 있다. 특히 교사 전문성 계발 기준에 기초해 사범대학 교육과정을 보다 체계화할 필요성이 있다.

• 전자공학회논문지CI
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• 제42권5호
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• pp.49-58
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• 2005

상황 인식 기반 편재형 컴퓨팅(Pervasive Computing) 환경의 다양한 응용에 관심이 증대되고 있으며, 개발자들이 상황인식 응용을 보다 쉽게 개발할 수 있도록 지원하는 개발환경들에 대한 연구가 활발하게 이루어지고 있다. 서비스 관리 시스템은 상황 인식 응용이 필요로 하는 서비스를 찾아서 제공해 주는 시스템으로 상황 인식 응용 개발환경에 필수적인 부분이다. 그러나, 기존 연구에서는 단순 구문 매칭이나 서비스 타입 등의 제한적인 온톨로지 기반 매칭을 사용하고 있으며 상황 정보에 대한 고려가 없다. 또한, 사용자가 원하는 서비스가 없는 경우 기존 서비스들을 조합해서 이용할 수 있도록 할 수 있어야 한다. 이 논문에서는 상황 정보 기반 서비스 관리 시스템을 제안한다. 제안하는 시스템은 온톨로지를 이용한 의미적 매칭 방법과 상황 정보를 고려함으로써 보다 정확한 검색이 가능하게 하고, 서비스 조합 기능을 제공함으로써 사용자가 원하는 서비스가 서비스 레지스트리에 없는 경우에는 기존 서비스들을 조합하는 서비스 리스트를 제공할 수 있다. 설계한 시스템을 평가하기 위해서 서비스 질의를 위한 프로토타입을 개발하였으며 이를 통해서 상황 정보 기반 검색과 서비스 조합이 적절하게 지원함을 보였다.

• 로봇학회논문지
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• 제6권4호
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• pp.353-364
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• 2011

In ubiquitous computing environments, users want to receive the robot services regardless of various physical status or devices such as time, place, various sensors, and high-performance servers. Thus, the ubiquitous service robots have to provide users with automated services according to situational information that they properly recognize. Beyond these problems, robot software has to establish a foundation to support the functions with the network infrastructure that are not able to be solved by a single independent resource. On the basis of a robot middleware that is capable of minimizing dependencies among hierarchy structures, the robot software also has to provide execution environment to control the flow of robot application services. In this paper, we propose a layered architecture to provide users with automated services through ubiquitous robots. The proposed architecture is based on CAWL (Context-Aware Workflow Language) and RSEL (Robot Services Execution Language). CAWL easily represents the flow of robot services from user application service levels, and RSEL is able to support the composition and reusability of robot services through abstraction of robot device services. In our experiments, we applied the proposed architecture to an example of "booth guide robot service".

• 한국식생활문화학회지
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• 제14권4호
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• pp.319-331
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• 1999

This nutritional survey was conducted in February 25, 1999, in order to investigate the nutritional knowledge, dietary attitudes and nutrient intakes of dietitians living in Kangwon area. Subjects consisted of 250 dietitians, with 184 in school food service, 14 in hospital food service and 52 in institution food service. Data were analyzed for frequencies, means, t-test, $x^2$-test, ANOVA and Pearson correlation using SPSS PC Package. The results obtained are summarized as follows: The average nutritional knowledge score was 10.15 out of possible 15 points, and dietary attitude score was 67.93 out of 100 points. The correlation between nutritional knowledge score and dietary attitude score was lowly(${\gamma}=-0.25$). Nutrients consumed below the Korean RDA were energy (78.77%), Ca(90.5%), Fe(83.70%) and nutrients consumed above the Korean RDA were protein(110.83%), P(140.21%), vit.A(163.94%), $vit.B_2$(126.37%), niacin(121.12%) and vit C(231.86%). Carbohydrate, protein and fat ratio on energy composition was 63%:17%:20%. The nutrient density among 3 groups of dietitian was not significantly different.

• 한국식생활문화학회지
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• 제28권2호
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• pp.135-144
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• 2013

This study sought to identify unique semiotic codes of Korean cuisine, including table settings, service styles, service ware selection, cooking techniques, and the logic behind menu composition. This research also aimed to verify that yangnyomjang reflects the code of Korean food culture. One of key findings from this study was that hidden codes of Korean food were found in their daily set-up for bapsang (dining table), which was found to decodify polysemic characteristics with an emphasis on harmony. These semiotic codes were influenced by the yin and yang philosophy and impact dining activities in our daily lives. Korean bapsang, composed of bap (rice), guk (soup) and banchan (side dishes), helps every individual diner share the semiotic codes of Korean cuisine within the context of paradigm and syntagm. Yangnyomjang, a major component of the Korean menu, also represents a unique code of Korean cuisine in its structure, main ingredients, production, and usage. This study also mathematically verified that a synchronic table setting of Korean cuisine provides diners with more opportunities for potential flavor combinations, compared to the Western service setting.

• 보건행정학회지
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• 제20권1호
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• pp.137-154
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• 2010

This study empirically analyzed the effects of the Top Management Team (TMT) on organizational performance. We verified whether the age heterogeneity, job heterogeneity (core career, core function and major), and process (communication and integration) of the TMT affect organizational performance (management performance and healthcare service quality evaluation level). We collected data about 473 members of the 2006 TMT in 81 medical institutions. We also utilized statistics of organizational performance from the Ministry for Health, Welfare and Family Affairs and the Korean Institute of Hospital Management. Results of the study showed that the age heterogeneity of TMT exerted a negative effect on the healthcare service quality evaluation level, while the process exerted a positive effect. However, the age heterogeneity, job heterogeneity, and process had no influence on management performance. We discussed the implications of such outcome of the investigation in comparison with the former studies on TMT and organizational performance, and presented its restrictions and future plans.

• 유통과학연구
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• 제18권6호
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• pp.15-24
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• 2020

Purpose: The ultimate purpose of this research is to analyze the influence of direct service experience on brand equity components and continuance intention by focusing on cultural marketing at airport, as a huge market place. Design/methodology: This study examines how the cultural contact experience of an airport's cultural marketing activities affect the brand equity components, as well as how these factors affect the continuance intention. A questionnaire survey is conducted for airport users and a total of 313 copies of the questionnaire are analyzed using a structural equation. Results: The results demonstrate that cultural contact service has a positive effect on brand awareness, brand meaning, and perceived value, and all factors of brand equity components have a positive effect on continuance intention. In addition, MTE also has a significant effect on continuance intention. Conclusions/implications: The purpose of this study was to investigate the relationship between the cultural contact and brand attachment of tourists experiencing airport cultural marketing services on the composition factors of airport brand equity. The results of this study can be used not only as basic data to help establish a cultural marketing strategy at an airport, but also as to aid establishing and implementing a long-term marketing strategy for the sustainable growth of an airport.

• 한국인터넷방송통신학회논문지
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• 제15권2호
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• pp.77-85
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• 2015

본 논문은 LTE-Advanced 환경에서의 eMBMS(evolved Multimedia Broadcast/Multicast Services) 기법을 위한 채널변경 대기시간 최소화 방안과 그 성능을 평가해 보고자 한다. 기존의 IGMP(Internet Group Management Protocol)을 이용한 MBMS 구성은 BM-SC(Broadcast Multicast Service Center)에서 eNB(evolevd Node B)까지는 멀티캐스트로, eNB에서 UE(User Equipment)까지는 브로드캐스트로 데이터를 전송한다. 때문에 채널 변경 시 IGMP Join Report를 BM-SC까지 전송해야 하며, 이후 eNB로부터 콘텐츠가 재송신되길 기다려야 한다. 이를 위해 가입자 채널 우선순위기법을 이용하여, UE가 즐겨 찾는 채널을 미리 브로드캐스트 함으로써 채널변경에 따른 대기시간을 최소화시킬 수 있다.

• 대한가정학회지
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• 제42권8호
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• pp.49-64
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• 2004

The purpose of this study was to provide useful information which would help web-site planning and design, product composition, and service of internet shopping malls. The sample consisted of 693 university students who had visited(Ed- in this case 'visit' means to enter an internet site; note also that the past perfect tense already conveys the meaning of 'experience') internet fashion shopping malls or purchased clothing through internet. Data were analyzed by factor analysis, frequency, t-test, and ANOVA(LSD) using SPSSWIN. The results were as follows： 1) The evaluative criteria of internet fashion shopping malls could be categorized by 4 factors： product presentation method, design, product information, sales promotion ＆ additional service; the first of which was found to be the most important. These criteria showed significant differences according to the period and time of access. Furthermore, the degree of consideration for these criteria was high, whereas the degree of satisfaction was low. 2) The evaluative criteria of clothing could be categorized by 6 factors： general characteristics of products, wearing comfort ＆ ease of management, popularity ＆ status symbolism, service, aesthetics, and textiles materials; the first of which was found to be the most important. These criteria were significantly different according to the periods, time, and purposes of access, and purchase experiences.