• Journal of KIISE:Software and Applications
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• v.33 no.7
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• pp.615-623
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• 2006

A non-functional requirement is a property or quality that the proposed systems have to support the functional requirements. A non-functional requirement is reflected by quality attribute These non-functional requirements playa crucial role during system development, serving as selection criteria for choosing among decisions. It should be continuously considered through the software development process. In spite of the importance of the non-functional requirements, it received little attention because of ambiguousness and invisibility of non-functional requirements. Therefore non-functional model which is a process to analyze the non-functional requirement is proposed for improving the management efficiency of non-functional requirements. Also, this paper presents the trace among the UML diagrams to the conceptual model. According to the non-functional requirement development process, this paper achieved performance-based case study. After then, non-functional requirement should be traced using the UML diagrams.

• Journal of Korea Game Society
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• v.19 no.5
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• pp.77-90
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• 2019

This paper discusses the shaping of game culture and the socio-cultural functions of game-making events based on co-production ideation by meta-analysis. Research has shown that the experience in this event helps to reshape the perception of the game culture, which eventually will lead to the extended meanings of game culture. It can also be seen that the game-making event serves as an educational platform for building the next generation competencies.

• Smart Media Journal
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• v.5 no.4
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• pp.103-110
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• 2016

This study aims to establish the standards to give the design weight in case when developing equipment designs, by classifying products with similar purposes in accordance with the morphological characteristics and also extracting the typicality. Limiting the sampling group for the extraction of the typicality to a pendant-type and a ceiling buried-type through the preceding case study and consultation with experts, the survey was conducted for majors and relevant workers in six cities, sampling products released in Korea and Japan before May 2016. The 1st survey was about the Morphological classification, and the 2nd times about the extraction of the typicality while the 3rd one was about the classification of the morphological attributes. By drawing the design attributes based on the functional/morphological classification and formative principles, it aimed to establish the base of the future research on the measurement of design weight. The results of this study aim to efficiently establish the roles of design technology in accordance with changes in the lighting fixture market caused by the substitution of light sources, and also to draw the development direction to rapidly cope with the accelerated changes in lighting design types and corporate R&D.

• Proceedings of the Korea Association of Information Systems Conference
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• 1997.10a
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• pp.313-319
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• 1997

본 연구는 우리 나라 이동통신서비스의 경쟁력 제고를 위해서 이동통신서비스의 중요성을 알아보고, 속성평가, 갭분석, 그리고 고객 만족도를 분석해 보았다. 그 결과를 요 약해 보면, 고객들을 휴대폰의 가장 기본적 기능을 가장 중시하는 반면에 간접요인에 대한 중요성이 낮다. 응답자의 대부분의 접속률, 음질, 완료율 등 휴대폰의 가장 기본적 기능을 가장 중요하게 생각하고 있으며 사용자들의 평가에서는 이 부문들이 가장 낮은 점수를 받은 것으로 보아서 휴대폰의 가장 기본적인 기능인 접속률, 음질, 완료률의 향상시키기 위한 기 능면에 중점적 노력을 기울여야 할 것이다. 따라서 기술적 혁신 방안으로는 접속률 증진방 안 마련과 음질 향상방안 마련이 필요하다.

• Proceedings of the Korean Society of Broadcast Engineers Conference
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• 2004.11a
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• pp.277-280
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• 2004

디지털 방송의 시작과 함께, TV화면에서 채널이나 프로그램을 직접 검색학 수 있는 EPG(Electronic Program Guide)라는 새로운 방송 서비스가 제공되고 있다. 그러나 아직까지는 시청자 입장을 고려한 EPG의 사용자 인터페이스에 대한 연구는 미흡한 실정이다. TV는 특정 계층이 아닌 모든 사람이 시청하는 매체이의로 시청자에게 프로그램을 쉽게 찾게 하기 위해서는 직관적인 사용자 인터페이스가 필요하다. 즉 EPG를 이용해 TV 시청자가 쉽게 이해할 수 있는 속성들을 선택해 프로그램을 빨리 찾을 수 있게 하는 것이다. 이를 위해본 논문에서는 먼저 TV 프로그램을 구분하는 대표적인 속성들인 장르, 시간, 등급 등을 체계적으로 분류하였다. 이렇게 체계화된 속성득의 값들을 시청자들이 EPG를 통해 지정하게 하되, 값을 지정하는 속성들의 순서를 편한 데로 선택할 수 있게 하는 사용자 인터페이스를 설계하였다. 그리고 기존의 상용 EPG와 본 논문에서 제안하는 EPG의 Usability Test를 통해 두 가지 EPG의 기능의 우수성을 비교평가 하였다.

• Journal of the Korean Geographical Society
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• v.39 no.4
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• pp.562-584
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• 2004

This paper intends to identify the structure of homogeneous regions and functional regions in Seoul based on B.J.L. Berry's ‘general field theory of spatial behavior’. The structure of homogeneous regions by using socio-economic variables can explain how the structural elements of the city are arranged. It can be ssid that Seoul has shifted towards more complicated and differentiated features in terms of homogeneous regions. The different patterns are found between the northern part to Han River where old torn areas are located and the southern part to Han River where newly urbanized areas are located. Usually, the concentric pattern and the sectoral pattern coexist, which is enhanced moving from CBD to the outskirt area. The distribution of different social classes shows irregular pattern similar to the variation of living environment. The social gap is expected to be more widening between new towns and old towns. The analysis of spatial movement pattern shows no clear hierarchical order because of current shifts towards both multi-nuclear pattern and spatial dispersion. The functional regions show duplicated structure overlapping their boundaries each other. The ‘general field theory of spatial behavior’ strongly suggests that spatial interactions among sub-areas in the city are differentiated from the basic characteristics and function of each sub-area. The attributes of homogeneous regions and functional regions are interrelated in the characteristics of isomorphic nature.

• International Commerce and Information Review
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• v.18 no.3
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• pp.101-130
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• 2016

Recently, by increasing the importance of China as consumer market, the need for a systematic and scientific study of Chinese consumers has been raised. This study researches how country image and product attributes as well as brand personality influence Chinese consumers'selection of Korean product through a comparative study of gender differences. This study used the data which were collected through Chinese adult consumers'survey on Korean cell phone products who reside at Beijing, Shanghai and Guangzhou. The main findings presented through empirical analysis results are as follows. First, Country image and brand personality have more influence on female consumers than male consumers on selection of Korean cell phones. Second, Male and female consumers have more influences by product attributes than other two factors. This study has presented the main implications of the preferred marketing strategies for Chinese enterprises of Korea on the basis of these research results.

• Proceedings of the Korean Information Science Society Conference
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• 2003.04a
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• pp.629-631
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• 2003

대부분의 상용 CIS 소프트웨어에서는 시공간분석 결과를 2 차원상에 가시화 하거나 해당 분석결과를 단순히 출력해 주는 형태이다. 3차원상의 질의 볼륨에 대한 3차원 공간분석 또한 이론 및 실험적으로 많은 연구가 이루어져 왔으나, 3 차원상의 공간분석 결과 가시화 기능을 통합한 시스템은 아직까지 미흡한 실정이다. 본 논문에서는 3 차원상의 공간연산 및 3 차원에 시간속성을 부가한 4 차원 시공간 연산을 처리할 있는 4 차원 CIS 시스템을 소개한다. 제안된 기법은 2차원 수치지도와 3 차원 부가속성을 가진 데이터베이스를 이용하여 2 차원, 3 차원, 미디어 데이터간의 상호연계 및 통합된 가시화 프레임워크를 제공한다. 또한 가상세계 매핑기법을 이용하여 수작업에 의존한 별도의 이미지 프로세싱 과정 없이도 비디오상의 특정 프레임의 건물에 대한 속성질의 및 2D/3D 간의 상호 연계 기능을 제공할 수 있다.

• Convergence Security Journal
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• v.15 no.5
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• pp.29-35
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• 2015

The network security encryption type is divided into two, one is point-to-point, second method is link type. The level of security quality attributes are a system security quality requirements in a networked environment. Quality attributes can be observed and should be able to be measured. If the quality requirements can be presented as exact figures, quality requirements are defined specifically setting quality objectives. Functional requirements in the quality attribute is a requirement for a service function which can be obtained through the encryption. Non-functional requirements are requirements of the service quality that can be obtained through the encryption. Encryption quality evaluation system proposed in this study is to derive functional requirements and non-functional requirements 2 groups. Of the calculating measure of the evaluation index in the same category, the associated indication of the quality measure of each surface should be created. The quality matrix uses 2-factor analysis of the evaluation for the associated surface quality measurements. The quality requirements are calculated based on two different functional requirements and non-functional requirements. The results are calculated by analyzing the trend of the average value assessment. When used this way, it is possible to configure the network security encryption based on quality management.

• Journal of KIISE:Databases
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• v.37 no.3
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• pp.137-145
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• 2010

Wireless sensors play important roles in various areas as ubiquitous computing is generalized. Depending on applications properties, each sensor can be equipped with limited computing power in addition to general function of gathering environment-related information. One of main issues in this environment is to improve energy-efficiency in sensor nodes. In this paper, we devise a new attribute-query processing algorithm. Each sensor has to maintain partial information locally about attributes values gathered at its all descendent nodes. As the volume is higher, however, the maintenance cost also increases. And the update cost also has to be considered in the proposed algorithm. Thus, some bits, AVB(Attribute-Value Bits), are delivered instead of the value itself, where each bit represents a bound of attribute. Thus, the partial information can decrease the number of exchanged messages with a little cost during query processing. Through simulation works, the proposed algorithm is analyzed from several points of view.