• Title/Summary/Keyword: Contextual Model

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Tetramethylpyrazine reverses anxiety-like behaviors in a rat model of post-traumatic stress disorder

  • Lee, Bombi;Shim, Insop;Lee, Hyejung;Hahm, Dae-Hyun
    • The Korean Journal of Physiology and Pharmacology
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    • v.22 no.5
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    • pp.525-538
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    • 2018
  • Post-traumatic stress disorder (PTSD) is a trauma-induced psychiatric disorder characterized by impaired fear extermination, hyperarousal, and anxiety that may involve the release of monoamines in the fear circuit. The reported pharmacological properties of tetramethylpyrazine (TMP) include anti-cancer, anti-diabetic, anti-atherosclerotic, and neuropsychiatric activities. However, the anxiolytic-like effects of TMP and its mechanism of action in PTSD are unclear. This study measured several anxiety-related behavioral responses to examine the effects of TMP on symptoms of anxiety in rats after single prolonged stress (SPS) exposure by reversing the serotonin (5-HT) and hypothalamic-pituitary-adrenal (HPA) axis dysfunction. Rats were given TMP (10, 20, or 40 mg/kg, i.p.) for 14 days after SPS exposure. Administration of TMP significantly reduced grooming behavior, increased the time spent and number of visits to the open arm in the elevated plus maze test, and significantly increased the number of central zone crossings in the open field test. TMP administration significantly reduced the freezing response to contextual fear conditioning and significantly restored the neurochemical abnormalities and the SPS-induced decrease in 5-HT tissue levels in the prefrontal cortex and hippocampus. The increased 5-HT concentration during TMP treatment might be partially attribute to the tryptophan and 5-hydroxyindoleacetic acid mRNA level expression in the hippocampus of rats with PTSD. These findings support a role for reducing the altered serotonergic transmission in rats with PTSD. TMP simultaneously attenuated the HPA axis dysfunction. Therefore, TMP may be useful for developing an agent for treating psychiatric disorders, such those observed in patients with PTSD.

A Reconsidering on Setting for Philosophy and Curriculum Development in Nursing Education (간호교육과정틀에 관한 소고 -돌봄과학과 보건정책 중심으로-)

  • Kim Myung-Ja
    • Journal of Korean Academy of Fundamentals of Nursing
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    • v.2 no.1
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    • pp.55-66
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    • 1995
  • The goals of nursing education, and the bases for evaluating them depend on the goals of nursing practice. In order to prepare for the coming twenty first century and the meet changing societal demands and health needs, it is necessary to develop a new conceptual framework for future nursing education. While hospitals will still be in significant components of the health care system, will no longer be central focus or dominant influence. Health care services will be more usually delivered at community base. The nursing education required by that new approach must provide for reconsidered about a concept of caring as nursing curriculum. The changes in health care delivery that have occured, now being proposed, for nursing education undergoing its own changes. So the philosophy and objectives of education meed to reconsidering about the caring concept and general nursing. Nurse educators must prepare students to practic in condition of constant change. At the same time nurse educators must emphasize preparation about that. The practice of science of caring in nursing draws on a basic knowledge of the behavioral knowledge, biophysical processes, pathological processes, nursing skills and procedures and various treatment regimes and problem solving to help decision making in nursing situations. The concept of care is probably one of the least understood ideas used by professional and nonprofessional people, yet it is probably one of the most improtant concepts to be understood by nursing. Human caring and human relationships are closely interrelated. Humn caring remains an essential dimension of professional work and the science of caring as essental to the discipline of nursing. It is expected that the objectives of nursing education will be accomplished when the course and content of the curriculum are based on this conceptual framework. One recurrent education goal with some consistency is that of equipping the student with the necessary skills to live effectively and productivly in the world of tomorrow. In the new vision we are developing, professional education must also include exposure to liberal arts, encouragement of critical thinking, and a moral context for advanced professional education that is based upon a contextual health policy and caring science educational model.

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A study on integration of XML application schema for MGIS (해양GIS XML 응용스키마 결합방법 연구)

  • Oh, Se-Woong;Park, Gyei-Kark;Park, Jong-Min;Suh, Sang-Hyun
    • Journal of the Korean Institute of Intelligent Systems
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    • v.19 no.2
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    • pp.236-241
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    • 2009
  • Information integration for distributed and heterogeneous data sources is still an open challenging, and schema matching is critical in this process. This paper presents and approach to automatic elements matching between XML application schemas using similarity measure and relaxation labeling. The semantic modeling of XML application schema has also been presented. The similarity measure method considers element categories and their properties. In an effort to achieve an optimal matching, contextual constraints are used in the relaxation labeling method. Based on the semantic modeling of XML application schemas, the compatible constraint coefficients are devised in terms of the structures and semantic relationships as defined in the semantic model. To examine the effectiveness of the proposed methods, an algorithm for XML schema matching has been developed, and corresponding computational experiments show changes of calculated values.

Context-aware Ontology Modeling using by Legacy Home Appliences (생활기기 센서를 이용한 상황인지 온톨로지 모델링)

  • Lee, Eunyoung;Min, Ukki;Won, Yusuk;Kim, Bonam
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2013.10a
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    • pp.737-740
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    • 2013
  • The widespread use of smart home appliances with smart home networking is leading to a next generation of a new technology that exploit user contextual information to provide a richer experience. However, in the most part of home networking systems the intelligent personalization services between user and home appliances have not been adequately supplied in respect of the long lifespan of the legacy home appliances. In addition, without installing smart home appliances when constructing new building the users can not use this service. To use this service, the legacy home appliance need to attach enabler equipped with the various sensors just as it is smart home appliances. The goal is to create a service that enables appliances to exchange information and control their actions through the IoT gateway to achieve nonintrusive behavior and customized services without human intervention. In this paper, we propose a ontology model to represent the user context to be able to induce right service automatically and use it to discover, utilize and enhance different services in real time that the user may be interested in.

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The Relationship Between, Situational Factors, Psychological Empowerment and Employee's Attitudes (조직상황 특성, 심리적 임파워먼트 및 구성원 태도간의 관계)

  • Kim, Sung-Nam;Lee, Kyu-Man
    • Management & Information Systems Review
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    • v.30 no.4
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    • pp.93-115
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    • 2011
  • To date, the majority of research on empowerment has focussed on the individual job incumbent's psychological experience of empowerment and linking this with various work-related outcomes. However, a model that focuses on individual subjective reactions is at best incomplete if it does not include an examination of the contextual factors that shape those perceptions. Therefore, the purpose of this study is to examine the relationships among situational factors, psychological empowerment and employee's attitudes. The data were collected by questionnaire from a sample of 525 employees who were working at business organizations in Kangwon area. Results indicated that organizational characteristics such as access to information, LMX, and participative climate were positively related to an employee's psychological empowerment. Psychological empowerment was positively related to an employee's job attitudes such as organizational commitment and innovative behavior. Finally, theoretical and practical implications from the results were discussed.

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A Study on "Comparing Two Data Sets" as Effective Tasks for the Education of Pre-Service Elementary Teachers (예비초등교사교육을 위한 효과적인 과제로서 "두 자료집합 비교하기" 과제의 가능성 탐색)

  • Tak, Byungjoo;Ko, Eun-Sung;Jee, Young Myon
    • School Mathematics
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    • v.19 no.4
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    • pp.691-712
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    • 2017
  • It is an important to develop teachers' statistical reasoning or thinking by teacher education. In this study, the "comparing two data sets" tasks is focused as a way to develop pre-service elementary teachers' reasoning about core ideas of statistics such as distribution, variability, center, and spread. 6 teams of each 4 pre-service elementary teachers participated on the tasks and their presentations are analyzed based on Pfannkuch's (2006) teachers' inference model in comparing two data sets. As a result, they paid attention to the distribution and variability in the statistical problem solving by the "comparing two data sets" tasks, and used their contextual knowledge to make a statistical decision. In addition, they used some statistics and graphs as the reference for statistical communication, which is expected to provide implications for improving statistical education. The finding implies that the "comparing two data sets" tasks can be used to develop statistical reasoning of pre-service elementary teachers. Some recommendations are suggested for teacher education by these tasks.

A Study on the Family Reunion Experience of Adults Discharged from Childcare Welfare Facilities - Grounded Theory Approach - (아동양육시설 퇴소 성인들의 원가족 재회 경험 연구: 근거이론(Grounded Theory) 연구 접근)

  • Hwang, Suyon
    • Korean Journal of Family Social Work
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    • no.60
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    • pp.31-71
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    • 2018
  • This study focused on analysis of experience for adults' reunion with original family members who had lived in child care facilities during the childhood and adolescence. It was researched based on the grounded theory from nineteen participants have interacted with their own separated family members for more than ten years after had been reunited with them. As written in the result section of the study using the paradigm model analysis showed that it was caused by feel regret by reunion, absence of belonging and repeated abandoned wound. The contextual condition appeared as sensitive memories as wounded and frustration of compensation mentality. The centralization phenomenon came in a whirlpool of emotion. The intervention condition appeared as recognition of filial piety, support system for parents and healing their parents mind. The action-interaction showed up as revenge with good will, setting own boding free, inspire of own pride, family reconciliation. The consequence appeared as family sublimation, successful execution of life task and getting living foundation. This research made practical and political proposals based on above result and described the limitations of the study and the proposals for the latter study.

A study on adults discharged from child care facilities adapting their own realities. - Grounded Theory Approach (아동양육시설 퇴소 성인들의 세상을 품고 살아가기 : 근거이론(Grounded Theory) 연구 접근)

  • Hwang, Suyon
    • Korean Journal of Social Welfare Studies
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    • v.49 no.1
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    • pp.297-334
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    • 2018
  • This study focused on accomplishment of successful life development after discharge a child-care facility even though they had a variety of diversity in hard environment on their own past. Furthermore the research analyzed expression progress and detail information of resilience effect on twenty healthy members of society, who lived theirselves for more than 10 years at out of chid-care centers, based on grounded theory methodology participants. As written in the result section of the study, using the paradigm model analysis showed that it was caused by 'Practical planning for the future', 'Organization of positive meaning' and 'Understanding in another's shoe'. The contextual condition appeared as 'Self examination, 'Seeking anchor as ontology' and 'Natural intimacy among family members'. The centralization phenomenon came in 'Living philosophy of internal stabilities'. The intervention condition appeared as 'Rise up through the world' and 'faith all the world'. The action-interaction showed up as 'Strict self-discipline' and 'Growing up own family'. The consequence appeared as 'Making social family' and 'Being a someone's social mentor'. This research shows discussion in depth based on above analyzed result.

Proposal for Semantic Digital Archive for UNESCO Intangible Cultural Heritage Sites List: Centering on User-Centric Relational Facet Navigation (유네스코 무형문화유산 시맨틱 디지털 아카이브 구축: 이용자 중심 관계형 패싯 네비게이션을 중심으로)

  • Park, Sun-hee
    • Journal of Korean Society of Archives and Records Management
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    • v.19 no.4
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    • pp.63-86
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    • 2019
  • UNESCO clearly has a good user interface compared to other sites. However, it does not have a structure in which user-centric knowledge curating is employed by users. As such, the knowledge structure should be expressed differently in advance for users to enjoy such benefits. At present, almost all current information systems are lacking with semantic and contextual information. Moreover, these systems are deemed insufficient of interlinking various kinds of thoughts in our minds. Thus, it is necessary to model in advance what users are likely to think and provide an interface that they can easily utilize based on that modeling. Furthermore, there is a need for a new structural theory based on semantic technology that can make that possible. Therefore, in this proposal, theoretical and practical insights were presented for user interface implementation to which relational facet navigation based on the structural theory is applied. Moreover, this proposal intends to suggest a "thinking expansion platform" that allows users' ideation of different concepts, including those unfamiliar to them.

A Study on Service Quality Satisfaction of Delivery Food App. of Korean and Chinese Customer (배달음식 앱의 서비스 품질 만족에 관한 연구 - 한국과 중국 소비자를 대상으로 -)

  • Hwang, Yuns-Sung;Park, Jae-kei;Wang, Yan;Seo, Yong-Mo;Rhee, Byungchae
    • Journal of the Korea Convergence Society
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    • v.9 no.12
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    • pp.239-250
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    • 2018
  • This study focus on analyzing the factors which influence the customer satisfaction of food delivery application and its degree of the influence on the quality satisfaction both with Korean and Chinese customers. For this purpose, the model of hypothetical structure was established through the mobile internet service quality measurement was called as MOBISQUAL. As a result, the Korean customers was confirmed that the fulfillment and playfulness as the subdimension of outcome quality both have a positive effect on customer satisfaction. And the Chinese customer was confirmed that the playfulness of outcome quality, personalization of contextual interaction, design, ease of use and security of servicescape quality affected customer satisfaction positively.