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스마트폰의 GPS 정보를 이용한 일상 경로 이탈 판단 어플리케이션 구현
차경애(Kyung-Ae Cha),현성용(Sung-Young Hyun) 한국산업정보학회 2013 한국산업정보학회논문지 Vol.18 No.3
스마트폰의 사용이 일상화되면서 다양한 어플리케이션이 개발되고 있다. 또한 구글맵, GPS 센싱 정보 등을 자유롭게 사용하게 됨으로써 이들을 효과적으로 활용하는 위치기반 서비스의 요구가 증대되고 있다. 본 논문에서는 스마트폰의 GPS 정보를 서버로 전송받아서 누적된 위치정보를 기반으로 일상 경로의 이탈 여부를 판단하는 어플리케이션을 개발한다. 이는 일상적으로 이동하는 경로에서 벗어나는 경우, 자동으로 이에 대한 경보를 해줌으로써 어린이, 노약자와 같은 경우에 효과적으로 활용될 수 있다. 또한 서버를 이용해서 최근의 누적되는 이동 경로 정보를 활용함으로써 실시간으로 이동 경로 이탈 여부를 판단하도록 하였다. 실험 결과를 통해서 개발된 어플리케이션의 효용성을 검증한다. As smart phone is daily used by most people, various location-based applications have been developed. Moreover, it is increased the requirements of location-based services that utilize Google maps, GPS sensing information and etc.. In this paper, we develop a smart phone application providing notification services by detecting the daily route deviation. We develop the server system which receives GPS information gathering from user"s smart phone and analyse the user"s regular routes. With the results from the analyzation the GPS coordinates, the application on a smart phone detects the case of a breakaway from regular routes. And then it can inform automatically and immediately the designed person such as guardians of children or the old and the infirm of the route deviation so will be helpful to protect such person. This is one example of the effectiveness of the application. Moreover, the application is developed on the client-server framework, thus it is very useful to judge the user"s daily route deviation in realtime by using the accumulated information on the corresponding DB. Finally we evaluated the proposed methods which had been implemented on smart phones and show the utilities of the application.
TOEIC 테스트를 통하여 나타난 대학생의 영어 구사 능력 연구
차경애(Cha Kyung-Ae) 한국외국어교육학회 2006 Foreign languages education Vol.13 No.1
The purposes of this paper are to report the English proficiency of Korean university students through TOEIC test, and to suggest feasible ways to improve their communicative competence. A total of one thousand and forty-two sophomore students who took the Practical English course participated in this study. The data based on TOEIC scores were analyzed and the major findings revealed that: (1) Although students had slightly higher scores on the written language sections than on the spoken language parts, they had the lowest scores in the grammar section; (2) The total listening comprehension scores were significantly correlated with the total reading scores; (3) There was a high positive correlation between students’ proficiency level and their scores; (4) Multiple regression analysis showed that part 3 (short conversations) influenced significantly on the total listening part, while part 6 (grammar) had a significant effect on the total reading part. In conclusion, these findings contribute to the emerging picture of what constitutes a successful language learner by proposing a more refined model based on Willis’. In conclusion, the results of this study offer several suggestions for language teaching professionals as providers of effective instruction of communication strategies for enhancing the development of communicative competence.