• 정보과학회 논문지
• /
• 제44권6호
• /
• pp.595-600
• /
• 2017

안드로이드 어플리케이션은 하나 이상의 컴포넌트로 구성되어 있으며 컴포넌트들은 인텐트를 통해 동일 어플리케이션 또는 다른 어플리케이션의 컴포넌트를 호출하여 사용할 수 있다. 이와 같은 컴포넌트 상호작용을 악용한 BroadcastTheft, Activity Hijacking, Intent Spoofing 등과 같은 문제점들을 검사하기 위해서는 다양한 상호작용 시나리오를 생성하여 테스팅을 진행하여야 한다. 하지만 기존 상호작용 테스트 시나리오 생성 연구에서는 각 액티비티 설정에 따라 이전화면으로의 이동시 재실행 순서가 달라지는 안드로이드 특성을 고려하지 않아 실행 불가능한 테스트 시나리오들이 포함될 수 있는 문제점이 있다. 본 논문에서는 액티비티 스택 정보를 이용하여 상호작용 테스트 시나리오에서 실제 실행되지 않는 경로를 제거하는 방법을 제안한다.

• 제어로봇시스템학회:학술대회논문집
• /
• 제어로봇시스템학회 2004년도 ICCAS
• /
• pp.2005-2010
• /
• 2004

As robots become more prevalent in human daily life, situations requiring interaction between humans and robots will occur more frequently. Therefore, human-robot interaction (HRI) is becoming increasingly important. Although robotics researchers have made many technical developments in their field, intuitive and easy ways for most common users to interact with robots are still lacking. This paper introduces a new approach to enhance human-robot interaction using a semantic symbol language and proposes a method to acquire the intentions of robot users. In the proposed approach, each semantic symbol represents knowledge about either the environment or an action that a robot can perform. Users'intentions are expressed by symbolized multimodal information. To interpret a users'command, a probabilistic approach is used, which is appropriate for interpreting a freestyle user expression or insufficient input information. Therefore, a first-order Markov model is constructed as a probabilistic model, and a questionnaire is conducted to obtain state transition probabilities for this Markov model. Finally, we evaluated our model to show how well it interprets users'commands.

• 한국경영과학회:학술대회논문집
• /
• 한국경영과학회 2001년도 추계학술대회 논문집
• /
• pp.50-54
• /
• 2001

Information systems development entails planning, analysis, design and construction phases. The analysis phase identifying user requirements is the most important of these phases. Since unidentified defects in the early phase causes increased work and costs as development proceeds, the quality of analysis results affects the quality of the resultant system. Major tasks in the analysis phase are data modeling and process modeling. Research on building a knowledge-based system for data modeling have been conducted much, however, not sufficiently for process modeling. As a system environment with high user interaction increases, research on process modeling methods and knowledge- based systems considering such environment are required. In this research, a process modeling framework for information systems with high user interaction is suggested and a knowledge-based system for supporting the suggested framework is implemented. A proposed model consists of the following tasks: event analysis, process analysis, and event/process interaction analysis. Event analysis identifies business events and their responses. Process analysis break down the processes of an enterprise into progressively increasing details. Decomposition begins at the function level and ends when the elementary process level is reached. Event/process interaction analysis verifies the results of process analysis and event analysis. A knowledge-based system for supporting a proposed process modeling framework is implemented in a web-based environment.

• 한국정보시스템학회지:정보시스템연구
• /
• 제26권3호
• /
• pp.211-228
• /
• 2017

Purpose This study proposes a research model based on Expectation-Confirmation theory in order to investigate impacts of three variables(expectation confirmation, social interaction, and perceived usefulness) on continuous intention to uss SNS in MICE industry. Design/methodology/approach A survey approach was used in order to measure each latent variable in the research model. A total of 140 responses were collected from actual users of SNS in MICE industry. A structural equation modeling with SmartPLS 2.0 was conducted in order to analyze each relationship in the proposed research model. Findings The results indicated the expectation confirmation had a positive impact on the perceived usefulness, social interaction, and satisfaction. Second, perceived usefulness had a significant positive impact on satisfaction and continuous intention to use SNS in MICE industry. Thrid, social interaction had a positive influence on both satisfaction and continuous intention to use SNS in MICE industry. Finally, the relationship between satisfaction and continuous intention in SNS of MICE industry was fully supported.

• 디지털산업정보학회논문지
• /
• 제17권4호
• /
• pp.197-207
• /
• 2021

The threat of COVID-19 pandemic put many universities in Korea to develop and implement various types of non-face-to-face on-line classes, such as on-line real time class and on-line recorded video class. Online education has been recognized as one of the effective educational methods because of its ubiquitous and flexible educational environments. Even though COVID-19 led to many problems such as faculty's burden and stress during the early stage of COVID-19, both students and faculties have gradually become familiar with on-line environment. As students have got accustomed to the online environment, on-line recorded lectures are shown to be more preferred rather than on-line real time class. Researches regarding the learner's satisfaction of on-line classes during the COVID-19 indicate that systematic and good quality contents and interaction by instructor are important factors. This study, therefore, investigate the learner's satisfaction of online classes in Liberal Arts course using recorded video contents in terms of contents and interaction. The results of empirical analysis reveal that systematic and good quality contents are likely to predict learner's satisfaction and interaction plays a great role in providing those contents. These findings provide insights that preparing systematic contents and interaction are key to enhancing learner's satisfaction of on-line classes in Liberal Arts course.

• 창의정보문화연구
• /
• 제5권1호
• /
• pp.15-24
• /
• 2019

가상현실 기반 교육 콘텐츠를 초·중학생이 수행하기 위해서는 가상현실과 학생이 상호작용하는 도구와 방법이 필수적이다. 하지만, 기존에 개발된 컨트롤러는 성인 대상의 범용적인 형태로 개발되고 있어 교육의 목적과 초·중학생의 수준을 고려한 상호작용 도구에 관한 연구가 필요하다. 따라서, 본 연구는 초·중학생을 위한 가상현실 상호작용 도구를 개발하기 위해 현재 범용적으로 활용되고 있는 도구에 대한 학교급과 성별에 따른 학생의 인식을 용이성, 유용성, 이용태도, 사용의도를 분석하였다. 분석결과, 인식이 사전에 비해 사후에 높아진 것으로 나타나 범용적인 도구의 교육적인 활용이 충분히 가능한 것으로 분석되었다. 학생 인터뷰를 통해 가상현실에서 초·중학생의 상호작용성을 고려한 도구 개발 방향에 대한 시사점을 도출하였다.

• 한국정보처리학회:학술대회논문집
• /
• 한국정보처리학회 2021년도 춘계학술발표대회
• /
• pp.263-266
• /
• 2021

근래의 드론 산업은 다양한 분야에서 사용이 확대되고 있으나 규제 등 여러 가지 사회적 진입장벽으로 시장 진입에 애로사항이 도출되고 있다. 본 논문에서는 드론 산업의 여러 제약 중 배터리의 제한적인 용량으로 장시간 비행이 어려운 문제를 개선하고자 승강식 드론스테이션을 개발하였다. 승강식 드론스테이션은 드론의 비행 중 배터리가 방전될 시 충전 및 정비를 할 수 있고, 드론 간의 통신 중계기 역할을 수행한다. 본 논문에서는 스테이션에 드론이 접근 시 슬라이딩 도어를 개폐하기 위하여 초광대역 통신을 이용한 거리 측정과 위치 인식 시스템에 대한 내용을 기술하였다.

• The Journal of Asian Finance, Economics and Business
• /
• 제8권2호
• /
• pp.851-860
• /
• 2021

The Knowledge Transfer (KT) for higher education institutions (HEIs) is boundless. Still and all, the members of the staff affiliated with these institutions do recognize an array of hitches in relation to KT practices. The study in question underscores social interactions, training, and Information and Communication Technology (ICT) as the primary barriers and treats them as the independent variables of the study. The study posits that inadequate management of the above-mentioned barriers would impact effective KT unfavorably. Besides, putting forth some striking solutions needed to fix the obstructions that hamper the adequate management of the KT exercises is another aim of the study. For data collection purposes, the study picks out higher education institutions (public) of the Quetta district. The reckoned sample size is 317 subjects. The research type that has been used is cross-sectional research and, in this context, the cross-sectional explanatory sequential design has been used. Concerning the findings of the paper, the results of PLS-SEM show positive and significant relationships of social interaction and training with knowledge transfer, while ICT shows an insignificant positive relationship with the knowledge transfer. The most influencing factor for the knowledge transfer is social interaction as suggested by social interaction theory.

• 경영과정보연구
• /
• 제32권2호
• /
• pp.193-212
• /
• 2013

본 연구의 목적은 스마트폰의 급속한 성장과 발전으로 인한 ICT(Information and Communication Technology)사용자 환경에서 커뮤니케이션 상호작용성에 영향을 미치는 요인들과의 관계 및 영향을 이해하고자 하였다. 이를 위해 기존의 매체활용이론 및 정보기술 수용과 관련된 선행연구들을 중심으로 상호작용성에 영향을 미치는 특성요인들을 추출하고 연구모형을 구축하였고, 이를 토대로 커뮤니케이션 상호작용성에 영향을 미치는 요인에 관한 실증연구를 수행하였다. 실증분석결과 통신처리속도, 처리용량, 셋업시간, 처리의 정확성, 제공매체의 다양성, 그리고 시 공간제약 여부를 중심으로 평가한 ICT 매체특성, 신기술에 대한 호기심, 충동적 반응과 즉각적 반응정도로 구분한 정보기술 개인혁신성은 ICT 매체활용태도에 유의한 영향을 미치는 것으로 밝혀졌다. 또한, ICT 매체특성, ICT 매체활용태도는 커뮤니케이션 상호작용성에 긍정적 영향을 미치는 것으로 나타났지만 정보기술 개인혁신성은 커뮤니케이션 상호작용에 부정적 영향을 미치는 것으로 나타나 개인혁신성이 클수록 정보전달, 정보접근, 정보공유 및 활용에 소극적인 것으로 밝혀졌다. 본 연구로 제시된 결과는 ICT를 활용한 커뮤니케이션 상호작용성을 이해하는데 도움이 될 것으로 기대하며 본 연구를 해석하는데 연구의 한계점과 향후 연구 방향을 제시하였다

• Journal of Computing Science and Engineering
• /
• 제8권1호
• /
• pp.17-24
• /
• 2014

In this paper, we propose a new implementation of a failure detector. The implementation uses a dual model of heartbeat and interaction. First, the heartbeat model is adopted to shorten the detection time, if the detection process does not receive the heartbeat message in the expected time. The interaction model is then used to check the process further. The expected time is calculated using the exponential smoothing method. Exponential smoothing can be used to estimate the next arrival time not only in the random data, but also in the data of linear trends. It is proven that the new detector in the paper can eventually be a perfect detector.