• Journal of the Korean Institute of Telematics and Electronics B
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• v.28B no.7
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• pp.535-539
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• 1991

In this paper, message time delay is considered in the SCCP(Signalling Connection Control Part) of the CCITT common channel signalling system No.7. In this simulation, the protocol of the SCCP is programmed using C language and this program is considered on condiion of only connectionless mode and class 0. This simulation reveals bottleneck point depending on message processing capability in the SCCP, so this simulation shows the low limit of the SCCP's processing capability. We show that bottleneck point is at 2000[ messages/sec ] on model A and at 3500[ message/sec ] in model C.

• Transactions of the Korean Society of Automotive Engineers
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• v.21 no.5
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• pp.113-120
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• 2013

This paper presents a mathematical model to determine the optimal length of static messages that can achieve more efficient use of a FlexRay network. In order to determine the optimal length of static message, the proposed model evaluates the given set of messages with respect to a network utilization index, which is defined in this work. The efficient use of a FlexRay network is achieved by reallocating any static message whose length is equal or greater than the resulting value to the dynamic segment. The effectiveness of the proposed method is investigated by applying to the SAE benchmark data.

• Journal of Environmental Health Sciences
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• v.49 no.4
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• pp.228-235
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• 2023

Background: As the public interest in chemical substances found in daily life has increased, environmental health education content has been developed and related studies have been conducted. However, there is still insufficient research on methodologies for environmental health education. Objectives: This study aimed to explore risk communication strategies by focusing on N-nitrosamines in rubber balloons. Methods: In this study, two different health messages were composed: a gain-framed message emphasizing the advantages of practicing the health behavior and a loss-framed message emphasizing the negative consequences of not practicing the health behavior. The effect of the message containing risk information was evaluated by measuring the health beliefs and health behavior potential for female caregivers. As the Environmental Health Act defines a child as "a person under the age of 13," a total of 131 women with children under the age of 13 were studied. Results: The age, awareness, and interest of the participants in the gain frame group and these in the loss frame group were similar. In terms of message framing effect, the gain-framed message was more effective in terms of health belief and potential health behavior than was the loss-framed message. As a result of an independent t-test, among the six variables of health belief model the message effect was statistically significant at the level of p<0.05 in three variables: perceived severity (t=2.287, df=129, p=0.024), self-efficacy (t=2.123, df=129, p=0.036), and health behavior potential (t=2.094, df=129, p=0.038). Conclusions: This study presented a direction for effective environmental health education by studying the effects of risk communication messages based on scientific evidence. It is necessary to extend the scope of environmental health education research by expanding research into various household products.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.9 no.4
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• pp.929-935
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• 2008

As internet telephony services based on Session initiation Protocol (SIP) enter the spotlight as marketable technology, many products based on SIPs have been developed and utilized for home and office telephony services. The call connection of an internet phone is classified into specific call connections and group call connections. Group call connections have a forking function which delivers the message to all of the group members. This function requires excessive message control for a call connection and creates heavy traffic in the network. In the internet cail system model. most of the call-setup messages are directed to the proxy server during a short time period. This heavy message load brings an unwanted delay in message processing and. as a result, call setup can not be made. To solve the delay problem, we simplified the analysis of the call-setup message in the proxy server, and processed the forking function distributed for the group call-setup message. In this thesis, a new system model to minimize the load is proposed and the subsequent implementation of this model demonstrates the performance improvement.

• The Journal of The Korea Institute of Intelligent Transport Systems
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• v.11 no.1
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• pp.13-27
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• 2012

According to the development of Intelligent Transportation System technology, VMS(Variable Message Signs) are operating on highway. But, VMS display information which don't reflect traffic condition and driver's human factor. So driver can't read VMS message during limited time, it makes to reduce VMS's reliability. This paper presents a model for VMS message reading time and distance considering traffic condition and human factor. We built driving simulator by Winroad package which is able to copy real driving condition. Subjects were comprised of 20 people who reflect domestic driver's condition such as sex. We did regression analysis with experiment results and draw the model. The model could be possible to develop message- set considering traffic condition and human factor.

• The Journal of Asian Finance, Economics and Business
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• v.7 no.2
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• pp.213-219
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• 2020

Studies related to Electronic Word-of-Mouth (eWOM) show that the acceptance of eWOM information is an important factor in customer purchase decisions. When consumers accept eWOM information, they tend to use that information in considering before making purchase decisions. In Viet Nam, there are few studies about eWOM information, especially on the acceptance of eWOM information. Research is conducted to test the influence of consumers on the perception of the senders' identity to the acceptance of online reviews (a kind of eWOM) in Viet Nam - a case study in Ho Chi Minh City. Using adjustment techniques, inspecting the scales and a theoretical model represent the relationship among the influential factors. The research is based on a sample of 522 consumers who use the Internet to search for product reviews before buying and used Structural Equation Modeling (SEM) to test the relationships among the variables. The research results show that the scales of the variables: Message Quality, Source Credibility, Perceived Message Usefulness, Perceived Senders' Identity, Perceived Message Credibility, Message Acceptance attain the validity and reliability in the research. The research contributes to the understanding of the determinants that influence the acceptance of eWOM information, which are informational factors, and factors related to consumer skepticism.

• Proceedings of the Korean Information Science Society Conference
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• 2002.04b
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• pp.580-582
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• 2002

지금가지 컴퓨터를 기반으로 하는 가상 공간에 관한 연구는 게임, 교육 시스템 가상 현실(VR) 등의 분야에서 많은 연구가 이루어지고 있다 그러나 기존의 연구분야는 그래픽스에 치중해오고, 가상 공간에서 다양한 변화에 관한 연구는 미흡하다. 그래픽스에 치우친 응용 프로그램은 처음에는 사용자의 몰입감을 높이지만, 가상 공간에서 정해진 변화로 인해 사용자의 흥미 유발을 감소시킨다. 그래서 가상 공간에서 다양한 변화를 나타내기 위한 연구가 있어 왔는데, 이들도 여러 가지 문제점으로 제한된 범위의 응용에서만 사용이 가능하다 본 논문에서는 이러한 문제점을 해결하기 위하여 존재성과 논리성을 가지는 physicalentity의 기본 구조와 Message Model에 기반하여 다양하고, 예측할 수 없는 상황을 전개해 나가는 방법을 제시한다.

• The Research Journal of the Costume Culture
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• v.12 no.4
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• pp.566-578
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• 2004

The purposes of this study were to identify the dimensions of advertising evaluation and to examine the influence of advertising evaluation on advertising attitude and buying intension. Also this study categorized the advertising responses. Through the pretest, 15 casual wear brand＇s advertisements were selected and presented as stimuli. The data was collected from 377 female university students using questionnaire and analyzed by descriptive statistics, factor analysis and multiple regression fer path analysis. The results of This study were as follows. First, 5 factors were identified for the dimensions of advertising evaluation: model/message/product/brand/tone ＆ manner. Second, through the path analysis, advertising evaluation had direct and indirect influences on buying intension. The influences of dimensions of advertising evaluation on buying intension were also examined: model, message and product had indirect influence on buying intension mediated by advertising attitude, whereas product and brand had direct influence on buying intension. Especially, product affected considerably on buying intension. Third, advertising responses were categorized into five dimensions: tone ＆ manner/model/message/product/brand.

• Asia pacific journal of information systems
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• v.30 no.4
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• pp.695-718
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• 2020

Based on the Construal Level Theory, we aim to study a most favorable fit among the advertising model, media type, and message construals, which are important factors in an advertisement. A two (social distance of the ad model in an ad: distal (low similarity) vs proximal (high similarity) by two (social distance of a media type: distal (portal) vs. proximal (SNS)) by two (message construal: abstract vs concrete) laboratory experiment was conducted to examine attitude changes on ad messages. The results show that abstract messages were more effective in attitude toward advertisement and purchase intention under the distal social distance (i.e. advertising model in low-similarity and portal media type) while concrete messages were so under the proximal social distance and SNS media type.

• Management & Information Systems Review
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• v.30 no.3
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• pp.57-84
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• 2011

In this study, a model of the effects of advertising on an employee's organizational identification was proposed by combining psychological contract, social identity theory with hierarchy of effect model. Our empirical results show that perceived accuracy of message in advertising affected attitude toward advertising significantly while perceived relevance of message with respondents' department didn't. And attitude toward advertising influenced employee's organizational identification. New findings in this research is the role of attitude toward advertising influencing on employee's organizational identification as mediator variable.