• Title/Summary/Keyword: 정보(情報) 서비스

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The Medium Access Scheduling Scheme for Efficient Data Transmission in Wireless Body Area Network (WBAN 환경에서 효율적 데이터 전송을 위한 매체 접근 스케줄링 기법)

  • Jang, EunMee;Park, TaeShin;Kim, JinHyuk;Choi, SangBan
    • Journal of the Institute of Electronics and Information Engineers
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    • v.54 no.2
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    • pp.16-27
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    • 2017
  • IEEE 802.15.6 standard, a Wireless Body Area Network, aims to transfer not only medical data but also non-medical data, such as physical activity, streaming, multimedia game, living information, and entertainment. Services which transfer those data have very various data rates, intervals and frequencies of continuous access to a medium. Therefore, an efficient anti-collision operations and medium assigning operation have to be carried out when multiple nodes with different data rates are accessing shared medium. IEEE 802.15.6 standard for CSMA/CA medium access control method distributes access to the shared medium, transmits a control packet to avoid collision and checks status of the channel. This method is energy inefficient and causes overhead. These disadvantages conflict with the low power, low cost calculation requirement of wireless body area network, shall minimize such overhead for efficient wireless body area network operations. Therefore, in this paper, we propose a medium access scheduling scheme, which adjusts the time interval for accessing to the shared transmission medium according to the amount of data for generating respective sensor node, and a priority control algorithm, which temporarily adjusts the priority of the sensor node that causes transmission concession due to the data priority until next successful transmission to ensure fairness.

The Development and Effect of Navigator Education Program for Cancer Screening on Women in the Community (지역사회 여성암 검진 네비게이터 교육 프로그램 개발 및 효과 분석)

  • Lee, Bo-Young;Jo, Heui-Sug;Lee, Hey-Jean
    • Journal of agricultural medicine and community health
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    • v.34 no.2
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    • pp.214-222
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    • 2009
  • Objectives: This study was performed to evaluate the effect of navigator education program for cancer screening, which is designed for improvement in knowledge of cancer, perceived self efficacy and communication skill of the breast and cervical cancer screening for middle-aged and aged women in urban areas. Cancer screening navigator is lay health advisor who are educated for providing information, emotional support about cancer screening at the community. Methods: The subjects were 33 women at the age of 40-69 and educated for 12 hours through the education program. The control group subjects were 30 women. For statistical analysis, descriptive statistics and paired t-test were used with SPSS WIN 14.0. Results: Contents of education program were case of cancer early detection, benefit of breast cancer screening, benefit of cervical cancer screening, health care system for cancer screening, role of cancer screening navigator, communication skill, transtheoretical model and role play. Knowledge of cancer(t=4.267, p=0.000) and communication skill(t=4.947, p=0.000) of the women increased significantly after implementing the 12 hours education program. Conclusion: The results suggest that navigator education for cancer screening has an effect in increasing knowledge of cancer, and communication skill scores.

A Study on the SNS Advertising's Word-of-Mouth Constraint Factors in the Social Network Service (소셜 네트워크 서비스에서 SNS광고 구전 제약요인에 대한 연구)

  • Yun, Dae-Hong;Kang, Yong-Soo
    • Management & Information Systems Review
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    • v.35 no.1
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    • pp.69-84
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    • 2016
  • This study set the research model to examine the correlation between Word-of-Mouth constraint factors, efforts to negotiate pertaining to these, Flow and Word-of-Mouth intent based on the theory of leisure constrain when it comes to the correlation between consumers' Word-of-Mouth constraint factors and Word-of-Mouth. Correlation among the variables were verified in an empirical manner. Results of this study are summarized as follows. After verifying the hypotheses, all the hypotheses were adopted excluding the hypotheses of two results (Hypothesis 1, hypotheses 5). Detailed results regarding this are as follows. First, the following is the effect of the Intrapersonal Constraint and Word-of-Mouth constraint factors on the Word-of-Mouth constraint negotiation effort. Interpersonal Constraint and Structural Constraint exert positive (-) effect on the Word-of-Mouth constraint negotiation effort. In case of Intrapersonal Constraint, negative (-) effect was demonstrated. Thus, this was statistically significant although dismissed from hypothesis verification. Second, the following is the result of examining the structural correlation between Word-of-Mouth constraint negotiation effort, Flow and Word-of-Mouth. Word-of-Mouth constraint negotiation effort exerts positive (-) effect on the Flow, but it was not statistically effective in case of the Word-of-Mouth. Lastly, it is possible to see that the Flow plays the role of a medium since it exerted positive (-) effect on the Word-of-Mouth. Results of this study are expected to provide key theoretical and working level implications as well as general understanding of the Word-of-Mouth constraint factors, consumers' Flow and Word-of-Mouth.

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A Study on Mobile Advertising Effects for Location-Based Advertisement - Focuse on both of Product Involvement and Forms of Advertising Expression - (위치 기반 서비스에 따른 모바일 광고 효과에 관한 연구 - 제품 관여도와 모바일 광고의 표현 형태를 중심으로 -)

  • Lee, Jong-Ho
    • Management & Information Systems Review
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    • v.31 no.4
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    • pp.109-137
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    • 2012
  • This Research focuses on the effect of location-based mobile advertisement considering both of product involvement and advertising expression. The product involvement is classified as high and low involvement and forms of text and picture advertising, which are commonly used in mobile advertising, are chose in this research. To verify the advertising effect for location-based mobile advertisement, advertising attitude, brand attitude, and purchase intention are assessed by conducting survey experiment, which is stimulated for the location-based mobile advertisement including product involvement and advertising expressions. The results presented in this research indicate that the low-involvement product shows lower advertising effect rather than high-involvement product, because consumers recognize the mobile advertisement with low-involvement. The Second finding is that the effect of picture mobile advertising is more effective than that of text mobile advertising and this result is consistent with previous researchers. Finally, the favorable effects for location-based mobile advertisement is more effective than that of non-location-based mobile advertisement, because location-based mobile advertising can cause the immediate response for consumer to react with given advertising.

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A Study on Relation Employee's Job Satisfaction, Organizational Commitment and Turnover Intention according to Korea's Freight Forwarders of Characteristics and Personal Characteristics (국제물류주선기업의 특성과 근로자의 특성이 조직몰입과 직무만족 및 이직의도에 미치는 영향에 관한 연구)

  • Jung, Lee-Sang;Kim, Hee-Gil;Choo, Sun-Ae;Lee, Dong-Ho
    • Management & Information Systems Review
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    • v.32 no.1
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    • pp.217-239
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    • 2013
  • The purpose of this study is to analyze that employee's job satisfaction and organizational commitment affect turnover intention according to freight forwarders's characteristics and personal characteristics. In order to achieve the purpose of this study, literature survey related to personal characteristics, job characteristics, organizational characteristics, job satisfaction, organizational commitment, turnover intention on studying employee was carried out and took an empirical analysis by the use of questionnaire method for employees in freight forwarders. According to the final result and conclusions are as follows; First, job characteristics was positively related to job satisfaction but were negatively related to organizational commitment. Organizational characteristics was positively related to job characteristics and organizational characteristics. Second, personal characteristics was negatively related to job characteristics and organizational characteristics. Finally, job satisfaction, organizational commitment were negatively related to turnover intention.

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Effects of FIN-TECH use motivation on User Attitude and Word Of Mouth Intention: Focus on a Innovation Resistance Tendency and Type of Message (Rational, Emotional) (핀테크 이용 동기에 따른 이용자 태도와 구전의도의 관계 - 혁신저항과 메시지 유형의 조절효과 -)

  • Seol, Sang-Cheol;Jung, Sung-Gwang;Choi, Woo-Young
    • Management & Information Systems Review
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    • v.36 no.5
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    • pp.195-222
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    • 2017
  • Today's economy is becoming more and more convergence between different industries as the demarcation of the boundaries of all areas is leading to innovations such as mobile and social network services. So Fin-tech is a new technology that can combine the advantages of mobile and Internet with the technology revolution to easily handle financial and IT tasks. This Fin-tech is a compound word of finance and technology. The purpose of this study is to investigate the overall structural relationship between Fin-Tech use motivation (usefulness, enjoyment) on user attitude and word of mouth intention. In addition, we investigated how FinTech use motivation, user attitude, and word of mouth intention change according to innovation resistance tendency. And, we examined how the motivation, user attitude, and word of mouth intention of FinTech change according to the message type (rational and emotional). The main results of this study are as follows. First, the usefulness and enjoyment of motivation for using FinTech have a positive effect on user attitude, and user attitude also has a positive effect on word of mouse intention. Second, the relationship between FinTech use motivation, user attitude, and word of mouth intention was found to difference according to consumers' innovation resistance. Third, it was found that the relationship between FinTech use motivation, user attitude, and word of mouth intention differs according to type of message (rational, emotional). At the conclusion of the study, the summary of the research results, implications and limitations, and future research direction are described.

A Study on the Structure and Characteristics of Interorganizational Network for Women in Buchon (부천지역 여성복지 관련 조직의 네트워크 구조와 특성)

  • Kim, In-Sook;Woo, Ah-Young
    • Korean Journal of Social Welfare
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    • v.53
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    • pp.179-207
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    • 2003
  • The purpose of this study is to find out the structural characteristics of interorganizational networks for women, and to identify the magnitude of efficient structure for network using 30 organizations for women in Buchon. This study attempted to examine the characteristic of interorganizational networks through searching out the central organization and block modeling. The research sample was 30 organizations, and the data analyzed by UCINET V and KP(Krack Plot) 3.1. The results show that public agencies are central organizations of all dimensions(information exchange, client referral, cooperation, resource exchange) and they also play an important part as intermediary of interorganizational network. A prominent characteristics of network is "ggiri-network" that means network between similar agencies. This finding provides important strategy to build and expand the network. Also this finding can be direction of network structure to meet women's needs and empower women.

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A Study on the Eating Behaviors and Characteristics of Consumption Propensities on Dining out as Perceived by Silver Generation in Seoul (서울지역 실버고객들의 외식식습관과 소비행동 속성에 관한 연구)

  • Choi, Mi-Sook;Kim, Dong-Ho;Park, Hyo-Nam;Kim, Seong-Su
    • Culinary science and hospitality research
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    • v.21 no.1
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    • pp.250-266
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    • 2015
  • This study concentrated on the dining out consumption behaviors, dining out selection attributes, and changes in eating habits of silver generation. Total 216 residents in metropolitan area were employed for statistical analysing. The results are as follows. First, as the result of t-test and ANOVA showed that female and higher academic background tended to regularly take high level of fruits, vegetables, meat, and fish eating habits. These results identified that dining out culture and dietary lifestyle are closely linked. Second, as the result of difference in dining out consumption attitudes on eating habit of silver generation, consumers who have better eating behaviors tended to consider the physical environment, variety of menu, and service quality when they choose a restaurant. Third, as the result of analysis on changes in dining out consumption behavior based on eating behavior of silver consumers, groups differences were found from only the source for information on dining out business and standard variable in selection of dining out business. Fourth, physical environment, variety of menu, business quality, and service were indicated as significant selection attributes of dining out among silver peoples. Fifth, dining out consumption behaviors of silver consumers were developed through newspapers, magazines, and previous visiting experiences. In conclusion, the results of present study showed that silver consumers tend to select a restaurant based on word-of-mouth and various factors related to experiences. Hence, various promotional activities are necessary for the business succession.

중소 금형제조업체의 주문최적화를 위한 전자상거래용 에이전트 개발

  • 최형림;김현수;박영재
    • Proceedings of the CALSEC Conference
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    • 1999.11a
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    • pp.529-534
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    • 1999
  • 전자상거래는 구매자와 판매자 모두에게 많은 이점을 제공할 수 있어 최근 이에 관한 연구들이 많이 진행되고 있다. 특히 중소제조업체의 경우, 전자상거래라는 경영환경의 변화는 새로운 기회로 다가오고 있어, 상대적으로 기술력이 취약한 중소제조업체의 전자상거래를 지원하기 위한 요소 기술들의 개발 필요성이 점차 부각되고 있다. 이에 본 연구에서는 중소 금형제조업체의 판매과정을 사이버 공간에서 수행할 수 있는 전자상거래 기술을 개발하였다. 일반적으로 변화하는 경영환경에서는 생산과 관련된 계획과 통제가 보다 더 신속하고 정확하게 이루어져야 한다. 즉 전자상거래 환경에서의 제조업체는 구매자가 요구한 제품의 생산과 납기일을 맞추어 줄 수 있는지의 여부를 실시간으로 응답할 수 있어야 한다. 나아가서 인터넷을 통해 접수된 주문들은 해당 제조업체의 생산능력을 초과할 수 있는데 이 때에는 접수된 주문들 중에서 자사의 이익을 극대화할 수 있는 주문집합을 선별하여 접수여부를 결정해야 한다. 이와 같이 전자상거래 환경하에서의 제조업체는 생산과 관련된 정보를 신속하게 전달 받아 주문접수여부에 관한 의사결정을 올바르게 수행하는 것이 중요한데 본 연구에서는 중소 금형제조업체의 일정계획 및 주문처리를 위한 일정계획 기반의 선정 에이전트의 구조와 방법론을 제시하였다. 지금까지 일정계획에 관한 연구들은 대부분 납기일의 만족과 비용의 최소화 측면을 위주로 다루었다. 그러나 본 연구에서의 문제는 비용의 최소화보다는 납기일을 준수하면서 가장 많은 이익을 가져다 줄 수 있는 최적주문집합을 선정하는 문제를 다루고있다.자료를 수집하고, 통계분석 패키지를 이용하여 자료를 분석하였다. 방식을 결합한 하이브리드 형태이다.인터넷으로 주문처리하고, 신속 안전한 배달을 기대한다. 더불어 고객은 현재 자신의 물건이 배달되는 경로를 알고싶어 한다. 웹을 통해 물건을 주문한 고객이 자신이 물건의 배달 상황을 웹에서 모니터링 한다면 기업은 고객으로 공간적인 제약으로 인한 불신을 불식시키는 신뢰감을 주게 된다. 이러한 고객서비스 향상과 물류비용 절감은 사이버 쇼핑몰이 전국 어디서나 우리의 안방에서 자연스럽게 점할 수 있는 상황을 만들 것이다.SP가 도입되어, 설계업무를 지원하기위한 기본적인 시스템 구조를 구상하게 된다. 이와 함께 IT Model을 구성하게 되는데, 객체지향적 접근 방법으로 Model을 생성하고 UML(Unified Modeling Language)을 Tool로 사용한다. 단계 4)는 Software Engineering 관점으로 접근한다. 이는 최종산물이라고 볼 수 있는 설계업무 지원 시스템을 Design하는 과정으로, 시스템에 사용될 데이터를 Design하는 과정과, 데이터를 기반으로 한 기능을 Design하는 과정으로 나눈다. 이를 통해 생성된 Model에 따라 최종적으로 Coding을 통하여 실제 시스템을 구축하게 된다.the making. program and policy decision making, The objectives of the study are to develop the methodology of modeling the socioeconomic evaluation, and b

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Qualitative Indicator Development of National Award for Innovation Leading Company (국가상 혁신기업선정을 위한 정성지표의 개발)

  • Lee, Jae-Ha
    • Journal of Convergence for Information Technology
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    • v.10 no.3
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    • pp.48-57
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    • 2020
  • This study focuses on the development of simple qualitative indicators for evaluating and selecting innovation leading companies that challenge National Award. Another purpose of this study is to complement the aspect in which the innovative or value of the companies' products, technologies, and services is only quantitatively evaluated. Existing evaluation indicators of national award have too many evaluation items and were not suitable for innovation-based company evaluation. The research approach is to select category for developing qualitative indicators based on previous studies and TF discussion. From the input-process-output-outcome point of view, we have set up an indicator system as a series of flows. Finally, five categories such as creativity, system excellence, customer value, performance, and ripple effects are selected as qualitative indicator. For these selected indicators, conceptual definitions and the main points of evaluation are described. And the system level evaluation and the ADLI approach are presented for reference. The appendix also includes examples of qualitative and quantitative evaluation of real companies using these indicators. However, this study implies the possibility that the evaluation results may vary depending on the level and perspective of the evaluator. We hoped that detailed research on candidate indicators that can be used as qualitative indicators and research on the development of mixed indicators(qualitative and quantitative) will continue in the future.