• Journal of Korea Society of Digital Industry and Information Management
• /
• v.15 no.4
• /
• pp.137-148
• /
• 2019

This paper is designed to examine the effectiveness of Computational Thinking and programming awareness by designing and applying programming classes using Havruta. In the present society, where the Fourth Industrial Revolution was in full swing, the capacity to be equipped has changed, and the education has been changed accordingly. Programming education is logically capable of thinking and improves comprehensive problem solving skills. This direction of programming education allows us to get ideas for solving problems based on computing thoughts and to create our own creative results. However, because they require the grammar of the programming language and many additional abilities, they are not easy for learners, and individual differences in competencies make learning less immersive and interesting. In this paper, to solve the problems of the uniform programming class, this study is designed and applied to the class applying the Jewish traditional teaching method, Havruta's teaching method, to find out the effect of computing thinking and programming perception.

• Journal of Korea Society of Digital Industry and Information Management
• /
• v.10 no.2
• /
• pp.143-156
• /
• 2014

Comprehensive programming channels are based on recognition of the parent company, their parent newspaper has increased brand awareness. In this paper, the comprehensive channels to look at the structure of the channel brand architecture, a certain brand of newspapers and comprehensive channels have a effect on the formation of the image of the channel according to the future of the brand extension strategy for MPP. Referring to the brand architecture, which reveals the structural system of the brand, it is argued that TV Chosun and MBN take the integrated corporate brand strategy, while JTBC tries to mix and balance the brands of the parent corporation and its own independent one. Exceptionally, Channel A doesn't take a name of its parent corporation 'Dong-A'. It is argued that the comprehensive programming channels utilize and take the parent corporate brand, mixed brand, and independent brand in accordance with circumstances of their own parent corporates. Their parent brand of comprehensive channels give viewers a positive image and awareness of comprehensive channel brand. while building its own channel images, TV Chosun and Channel A Conservative extension of a certain brand marketers to be bound by the channel's image. Brand extension of comprehensive channels is to have the strength of their entry into the genre that is most likely higher.

• International Journal of Computer Science & Network Security
• /
• v.21 no.4
• /
• pp.131-139
• /
• 2021

In current time, anomaly detection is the primary concern of the administrative authorities. Suspicious activity identification is shifting from a human operator to a machine-assisted monitoring in order to assist the human operator and react to an unexpected incident quickly. These automatic surveillance systems face many challenges due to the intrinsic complex characteristics of video sequences and foreground human motion patterns. In this paper, we propose a novel approach to detect anomalous human activity using a hybrid approach of statistical model and Genetic Programming. The feature-set of local motion patterns is generated by a statistical model from the video data in an unsupervised way. This features set is inserted to an enhanced Genetic Programming based classifier to classify normal and abnormal patterns. The experiments are performed using publicly available benchmark datasets under different real-life scenarios. Results show that the proposed methodology is capable to detect and locate the anomalous activity in the real time. The accuracy of the proposed scheme exceeds those of the existing state of the art in term of anomalous activity detection.

• IEMEK Journal of Embedded Systems and Applications
• /
• v.18 no.4
• /
• pp.165-172
• /
• 2023

Heterogeneous computing is a technology that utilizes different types of processors to perform parallel processing. It maximizes task processing and energy efficiency by leveraging various computing resources such as CPUs, GPUs, and FPGAs. On the other hand, edge computing has developed with IoT and 5G technologies. It is a distributed computing that utilizes computing resources close to clients, thereby offloading the central server. It has evolved to intelligent edge computing combined with artificial intelligence. Intelligent edge computing enables total data processing, such as context awareness, prediction, control, and simple processing for the data collected on the edge. If heterogeneous computing can be successfully applied in the edge, it is expected to maximize job processing efficiency while minimizing dependence on the central server. In this paper, experiments were conducted to verify the feasibility of various parallel programming models on high-end and low-end edge devices by using benchmark applications. We analyzed the performance of five parallel programming models on the Raspberry Pi 4 and Jetson Orin Nano as low-end and high-end devices, respectively. In the experiment, OpenACC showed the best performance on the low-end edge device and OpenSYCL on the high-end device due to the stability and optimization of system libraries.

• Phonetics and Speech Sciences
• /
• v.9 no.4
• /
• pp.123-128
• /
• 2017

This study aims to compare the performance of syllable identification task according to auditory and visual stimuli presentation methods and syllable position. Twenty-two typically developing children (age 4-6) participated in the study. Three-syllable words were used to identify the first syllable and the final syllable in each word with auditory and visual stimuli. For the auditory stimuli presentation, the researcher presented the test word only with oral speech. For the visual stimuli presentation, the test words were presented as a picture, and asked each child to choose appropriate pictures for the task. The results showed that when tasks were presented visually, the performances of phonological awareness were significantly higher than in presenting with auditory stimuli. Also, the performances of the first syllable identification were significantly higher than those of the last syllable identification. When phonological awareness task are presented by auditory stimuli, it is necessary to go through all the steps of the speech production process. Therefore, the phonological awareness performance by auditory stimuli may be low due to the weakness of the other stages in the speech production process. When phonological awareness tasks are presented using visual picture stimuli, it can be performed directly at the phonological representation stage without going through the peripheral auditory processing, phonological recognition, and motor programming. This study suggests that phonological awareness skills can be different depending on the methods of stimulus presentation and syllable position of the tasks. The comparison of performances between visual and auditory stimulus tasks will help identify where children may show weakness and vulnerability in speech production process.

• Proceedings of the Korean Society of Computer Information Conference
• /
• 2014.01a
• /
• pp.241-242
• /
• 2014

본 논문에서는 학습자의 스마트기기 인식 변화를 위한 로봇 프로그래밍 수업 단계 및 인식에 대한 설문 도구를 제안한다. 폭발적으로 증가하는 스마트기기 사용 환경에 노출된 어린 학습자에게 스마트기기의 올바른 활용을 위한 인식을 심어줌으로써, 스마트기기의 올바른 활용 방안을 인식할 수 있도록 한다. 또한 스마트기기의 다양한 기능을 활용한 로봇을 조립하고 프로그래밍을 작성해 봄으로써, 스마트기기에 대한 인식의 긍정적인 변화를 기대한다. 학습자의 스마트기기에 대한 인식은 스마트기기 활용 로봇 프로그래밍 수업의 사전, 사후 검사를 통해 인식의 변화를 측정한다. 특히 학습자가 수업 후 자신의 생각이 바뀐 이유를 기술함으로써, 로봇 프로그래밍 수업을 활용한 인식 변화의 요인을 파악하는데 기초 자료로 사용될 것이다.

• Proceedings of the Korean Society of Computer Information Conference
• /
• 2016.01a
• /
• pp.169-171
• /
• 2016

본 논문에서는 로봇 프로그래밍 교육에 대한 예비 교사의 인식 조사를 분석하고자 한다. 연구를 위하여 로봇 프로그래밍 교육프로그램과 예비 교사의 인식을 조사하기 위한 서술형 검사 도구를 개발하였다. 분석한 결과는 다음과 같다. 예비 교사는 프로그래밍 교육에서 로봇이 흥미, 자신감, 성취감을 얻을 수 있다고 말하였고, 문제 해결 활동을 할 수 있다는 점과 직접 구현하면서 만들 수 있다는 점 때문에 이해가 쉽다고 말하였다. 반면에 로봇이 조립과 분해가 어렵고, 비용과 시간이 많이 든다는 점, 부품 관리의 어렵다는 점, 조작이 어렵다는 점때문에 로봇 프로그래밍 교육에 대하여 부정적인 의견을 나타냈다. 이러한 부정적인 의견 때문에 로봇을 수업에 활용하지 않겠다는 예비 교사가 더 많았다. 마지막으로 예비 교사가 로봇 활동은 개별 활동보다 조별 활동을 선호한다고 응답하였다.

• Journal of the Korea Society of Computer and Information
• /
• v.25 no.4
• /
• pp.213-222
• /
• 2020

Recently, as awareness of the need for software education has spread worldwide, the government of Korea has led compulsory software education also. Basic software education in universities has been stabilized through various trials and efforts. However, due to software classes are mandatory, students not only could not have motivation for learning but also have treated programming course as a difficult subject. In this paper, two programming classes, which were designed and managed as a problem-oriented programming class for the purpose of cultivating computational thinking for the non-computer science students, are compared using the lecture assessment results. As a result, in the case of expanding the use of the problem as a grammatical explanation aid and expanding the ratio of major-friendly problems, the student's responses were concentrated on higher scores and the response average improved by about 7%. It means that the level of difficulty experienced by learners is lowered.

• The KIPS Transactions:PartC
• /
• v.12C no.3 s.99
• /
• pp.457-464
• /
• 2005

This paper describes an Adaptive Context-aware Service (ACS) using Model Driven Architecture (MDA)-based Service Creation Environment (SCE) on PARLAY X based service delivery platform in ubiquitous computing environments. It can be expected that both the context-awareness and adaptation in ubiquitous computing environments will be deployed. But the existing context-aware middleware lacks in considering adaptation. Therefore, the object of this paper is to support the architecture and the Application Programming Interface (API) of the network service for both the context-awareness and adaptation in ubiquitous computing environment. ACS is to provide users with the adaptive network service to the changing context constraints as well as detecting the changing context. For instance, ACS can provide users with QoS in network according to the detected context, after detecting the context such as location and speed. The architecture of ACS is comprised of a Service Creation Environment (SCE), Adaptive Context Broker and PARLAY gateway. SCE is to use Context-based Constraint Language (CCL) for an expression of context-awareness and adaptation. Adaptive Context Broker is to make a role of the broker between SCE and PARLAY G/W. PARLAY G/W is to support API for PARLAY X-based service delivery platform.

• Journal of The Korean Association of Information Education
• /
• v.21 no.4
• /
• pp.403-413
• /
• 2017

The purpose of this paper is to verify whether the entry programming course applied with the flow based learning type is to affect the flow of students' learning. The subjects of the study were the students in the 3rd grade of the National University of education who had not experienced the coding before, and conducted two hours of programming lessons per week for three months. Learning contents and learning materials of beginner course in Entry Homepage were used as learning materials. The teaching and learning process consisted of clear goals setting, motivation, follow-up and immediate feedback, providing application problems, and providing reflection time for students. As a result of the study, the nine factors of flow were compared before and after the experiment. The seven factors - A balance between challenges and skills, Immediate feedback, Action and awareness are merged, Distractions are excluded from consciousness, No worry of failure. Self-consciousness disappears, The activity becomes autotelic-were obtained.