• Title/Summary/Keyword: practical context

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Alliver: A Pragmatic Context Aware Service Delivery Framework (Alliver: 실용적 상황 인식 서비스 전달 프레임워크)

  • Lee, Sang-Keun;Lee, Dong-Joo;Lee, Jae-Won;Kang, Seung-Seok;Lee, Sang-Goo
    • Proceedings of the Korean Information Science Society Conference
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    • 2008.06c
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    • pp.148-153
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    • 2008
  • 네트워크 환경과 컴퓨팅 기술이 발전하고 모바일 디바이스의 수가 증가함에 따라 상황 인식 서비스(Context-Aware Service)의 중요성이 부각되고 있다. 최근 몇 년 동안, 상황 인식 서비스(Context-Aware Service)를 실현하기 위한 여러 연구가 진행되었지만, 해결해야 할 문제점들이 남아있다. 기존의 접근 방법들은 상황에 적합한 서비스나 추천 알고리즘을 도입함에 있어서 특정 응용(Application)이나 영역(Domain)에 종속적이고 유연성이 떨어진다는 문제가 있다. 또한 온톨로지 추론 엔진에 서비스 제공을 위한 대부분의 정보 표현과 추론을 전가하기 때문에 실제 서비스에 활용할 수 있는 정도의 성능을 기대하기 어려우며 확장성(Scalability)이 떨어진다. 본 논문에서는 서비스 요청과 서비스 처리 계층으로 계층을 분리하고 두 계층에서의 온톨로지 추론 엔진과 관계형 데이터베이스의 역할을 명확히 정의함으로써 이와 같은 문제점들을 해결하는 실용적(Practical)인 상황 인식 서비스 전달 프레임워크(Context-Aware Service Delivery Framework)를 제시하고. 시나리오를 통해 서비스 프로세스를 설명한다. 제시된 프레임워크는 현재 프로토타입의 개발을 진행 중이다.

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A Context-aware Task Offloading Scheme in Collaborative Vehicular Edge Computing Systems

  • Jin, Zilong;Zhang, Chengbo;Zhao, Guanzhe;Jin, Yuanfeng;Zhang, Lejun
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.15 no.2
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    • pp.383-403
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    • 2021
  • With the development of mobile edge computing (MEC), some late-model application technologies, such as self-driving, augmented reality (AR) and traffic perception, emerge as the times require. Nevertheless, the high-latency and low-reliability of the traditional cloud computing solutions are difficult to meet the requirement of growing smart cars (SCs) with computing-intensive applications. Hence, this paper studies an efficient offloading decision and resource allocation scheme in collaborative vehicular edge computing networks with multiple SCs and multiple MEC servers to reduce latency. To solve this problem with effect, we propose a context-aware offloading strategy based on differential evolution algorithm (DE) by considering vehicle mobility, roadside units (RSUs) coverage, vehicle priority. On this basis, an autoregressive integrated moving average (ARIMA) model is employed to predict idle computing resources according to the base station traffic in different periods. Simulation results demonstrate that the practical performance of the context-aware vehicular task offloading (CAVTO) optimization scheme could reduce the system delay significantly.

Breast Cancer in Marital Context: A Critical Review of the Literature (부부관계 맥락에서 유방암의 심리사회적 영향 - 국내외 논문분석 -)

  • Lee, In-jeong
    • Korean Journal of Social Welfare Studies
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    • v.40 no.1
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    • pp.37-61
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    • 2009
  • The diagnosis of breast cancer can have a significant impact upon all family members in psychological and practical aspects. The impact of breast cancer may have a particularly strong impact on the spouse and the marital relationship. Breast cancer can alter the couple's emotional balance, finances, division of responsibilities and social activities. However, little empirical evidence exists investigating support-related exchanges between patient and spouse in Korea. Therefore, it is meaningful to address psychosocial effect and change of marital relationship in context of breast cancer. This article reviews 34 studies (1987-2009) on marital relationship in the context of breast cancer. Results indicate that the psychosocial impact of breast cancer on the healthy spouse and patient, spouse's effects on quality of life, adaptation, distress of breast cancer patients, and impact of breast cancer on marital relationship. Several recommendations can be made for oncology health professionals working with families of cancer patients such as the need for longitudinal and comprehensive study

A Study on Design Guidelines for the Place Identity of Public Space (공공공간의 장소정체성을 위한 다자인가이드라인 방안 연구)

  • Chun, Mi-Hwa;Lee, Chan
    • Korean Institute of Interior Design Journal
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    • v.20 no.4
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    • pp.145-154
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    • 2011
  • Identity of the place where the physical location and time and spatial context, and is structured as socially agreed symbols to build a consistent image, while fraught with Differentiation can be achieved through integration. And discrimination and the practical and effective deployment of an integrated image to be useful as a guide for the top design 'Design Guidelines' are, The findings, where the identity used to establish guidelines for the design for the following conclusions can be drawn. First, of public space design guidelines agreed upon by the public and social identity as the basis to establish a new identity as a contemporary and practical plan for this is to provide guidance. Second, the design guidelines in principle, the physical elements and activities of the parent and the temporal and spatial context and meaning were overridden. Third, the horizontal axis with respect to the identity and principles to guide development in the detail, and the vertical axis as a place to build an image in order for the specific design items are listed. Fourth, the guidelines can set a specific motif, and coverage including identity of the place. Fifth, by applying image and schematic the identity can be Implemented effectively and clearly. Without interfering with the designer's creativity and implement new image of the place, Design guidelines should study how a reasonable instructions.

Breastfeeding experiences of women with gestational diabetes (임신성 당뇨 산모의 모유수유 이행 경험)

  • Park, Seungmi;Yu, Soo-Young
    • The Journal of Korean Academic Society of Nursing Education
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    • v.27 no.3
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    • pp.274-286
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    • 2021
  • Purpose: This study aimed to explore the lived experiences of breastfeeding women with gestational diabetes and to understand the meaning of breastfeeding for them and its encompassing context. Methods: Qualitative data were collected by interviewing 15 mothers with gestational diabetes. The transcript data from 5 focus group interviews and 2 individual interviews were analyzed using thematic analysis. Results: A core theme and 10 sub-themes emerged. The core theme that emerged was "the maternal commitment enabled for a limited time a way to compensate for guilt." Because mothers had to control their blood sugar levels before childbirth, they were worried about whether it would harm the newborn baby and thus searched for dietary information. After the babies were born and separated from their mothers, they were free from gestational diabetes. Mothers then felt guilty about their unhealthy bodies when they were pregnant. This regret provides a motivational context for breastfeeding. However, the mothers realized that breastfeeding requires commitment and dedication and that they need breastfeeding support, such as being provided practical help. Conclusion: The results showed that the breastfeeding intention of women with gestational diabetes might originate from their feelings of guilt. Therefore, an integrated breastfeeding program that combines the empathetic support of women with similar experiences and that shares practical information from experts should be implemented in a structured and systematic way.

Trends and Issues of e-Learning Curriculum for Human Resources Development in the Corporate Context

  • SONG, Sangho;SUNG, Eunmo;JANG, Sunyung
    • Educational Technology International
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    • v.11 no.1
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    • pp.47-68
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    • 2010
  • The purpose of this study was to analyze majors trends and issues of e-Learning curriculum for human resource development in the corporate context. The e-Learning curriculum was chosen as the subject of research consists of 2,710 lectures that were given from 2007 to July 2009 for the recent three years by providing at Ministry of Labor and Korea Research Institute for Vocational Education & Training. In order to investigate trends and issues, it was employed theme analysis which is one of the types of document analysis that approach a qualitative research methodology. As a result of this research, 7 major trends and issues in e-Learning curriculum for HRD in the field of corporate education were drawn; ① Strengthening expertise through learning of job related professional knowledge, ② Cultivation of common & essential knowledge for a job to increase work performance efficiency ③ Organizational management strategy for improving performance, ④ Organizational management and operational strategy for actively responding to environmental changes, ⑤ Leadership as a strategy for cultivating core personnel and field-centered practical leadership. ⑥ Creating a happy workplace through the work-life balance, ⑦ Strengthening global communication skill. Based on these analysis, practicals and theoretical implications of e-Learning professionals and HR researchers for HRD were suggested.

The Effect of Characteristics of the Extended Science Investigations Tasks on Middle School Students' Motivation for Investigation (확장적 과학 탐구 과제의 특징이 중학생의 탐구 동기에 미치는 영향)

  • Yoon, Hye-Gyoung;Pak, Sung-Jae
    • Journal of The Korean Association For Science Education
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    • v.21 no.1
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    • pp.1-12
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    • 2001
  • The extended science investigations, comprehensive investigations contrasted with exercises of process skill components and cookbook style experiments, should be pursued for giving opportunity of more authentic science activity. The characteristics of the extended investigation tasks were emerged from critical argument on school practical work. And one of important educational objectives in students' investigations is to achieve motivation for investigation. The purpose of this study is to explore how the characteristics of the extended investigation tasks, that is practical context, openness and continuity, affect middle school students' motivation for investigation. On the basis of questionnaire results and students' school science achievement, ten students were interviewed to see the change of motivation for investigation and its causes while they perform two textbook investigations and four extended investigation tasks. Among the interviewees, the students who showed positive motivation for the extended investigations were critical about textbook experiments as they are just confirmations of theories and perceived practical context and openness as the main causes of their positive motivation. The students who showed negative motivation for extended investigations preferred textbook experiments as there was enough guidance from teacher and textbook-centered learning. They recognized the openness of the tasks as a main reason of their negative motivation for investigation. Some students showed negative responses about continuity of the extended investigation tasks but continuity was not recognized as a main cause for their motivation for investigation.

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Commitment to Sport and Exercise: Re-examining the Literature for a Practical and Parsimonious Model

  • Williams, Lavon
    • Journal of Preventive Medicine and Public Health
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    • v.46 no.sup1
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    • pp.35-42
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    • 2013
  • A commitment to physical activity is necessary for personal health, and is a primary goal of physical activity practitioners. Effective practitioners rely on theory and research as a guide to best practices. Thus, sound theory, which is both practical and parsimonious, is a key to effective practice. The purpose of this paper is to review the literature in search of such a theory - one that applies to and explains commitment to physical activity in the form of sport and exercise for youths and adults. The Sport Commitment Model has been commonly used to study commitment to sport and has more recently been applied to the exercise context. In this paper, research using the Sport Commitment Model is reviewed relative to its utility in both the sport and exercise contexts. Through this process, the relevance of the Investment Model for study of physical activity commitment emerged, and a more parsimonious framework for studying of commitment to physical activity is suggested. Lastly, links between the models of commitment and individuals' participation motives in physical activity are suggested and practical implications forwarded.

Development of Stress Index Model and u-SMC (Stress Management Center) Business Model from the Context-Aware Computing Perspective (상황인식적 서비스 관점의 스트레스 지수 모델 및 u-SMC(Stress Management Center) 비즈니스 모델의 개발)

  • Kim, Hyung-Jin;Lee, Sang-Hoon;Lee, Ho-Geun
    • Journal of Intelligence and Information Systems
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    • v.14 no.2
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    • pp.21-44
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    • 2008
  • Recently, feasible services in ubiquitous computing environment are commonly based on context -aware computing. With the concept of context-awareness we can imagine more effective way to measure human being's daily stress and provide anti-stress services. Our study introduces logical and methodological approach to manage the stress through the development of stress index. From the practical perspectives, we also designed a business model for u-SMC, which is a profitable organization specialized in providing stress measurement services and personalized anti-stress services by utilizing the stress index model.

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Characteristics of Pre-service Science Teachers' Reflection of Questions Considering the Context of Discourse (담화 맥락을 고려한 예비과학교사의 발문 반성 과정에서 나타나는 특징)

  • Sunghoon, Kim;Yousun, Jeon;Hunsik, Kang;Taehee, Noh
    • Journal of the Korean Chemical Society
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    • v.66 no.6
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    • pp.459-471
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    • 2022
  • The purpose of this study is to develop the workshop to improve teachers' questions considering the context of discourse. Four pre-service science teachers in the fourth grade participated in the study. Pre-service science teachers participated in the workshop. The characteristics of their reflection on the question considering the context of discourse were analyzed. Pre-service science teachers considered the types of questions they learned in the workshop during the reflection. But the affective domains of students were rarely considered. Whether the students respond was considered as an important factor of reflection. The questions were evaluated based on the frequencies. A single question without context was reflected on. Various PCK elements were not considered comprehensively. Based on the results, the practical implications to develop a program for improving teacher expertise related to the questions considering the context of discourse were discussed.