• The KIPS Transactions:PartB
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• v.9B no.1
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• pp.23-28
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• 2002

A fundamental problem in building an intelligent agent is that an agent does not understand the meaning of its perception or its action. One reason that an agent cannot understand the world is partially caused by a syntactic approach that converts a semantic feature into a simple string. To solve this problem, Cohen introduces a semantic approach that an agent autonomously learns a meaningful representation of physical schemas, on which some advanced conceptual structures are built, from physically interacting with environment using its own sensors and effectors. However, Cohen does not deal with a meta level of conceptual primitive that makes recognizing a schema possible. We propose that negation is a meta schema that enables an agent to recognize a physical schema. We prove some semantic aspects of negation.

• Convergence Security Journal
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• v.23 no.2
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• pp.67-74
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• 2023

An elevator is a mechanical and electronic device composed of about 20,000 various parts, and is systematically operated with a close relationship with each other. By intuitively understanding this complex elevator structure and efficiently recognizing the operating model, it will be possible to increase the understanding of the elevator system and the efficiency of maintenance. The existing elevator management system is a process of collecting and understanding information based on data generated from elevators, and has a structure that lacks efficiency in expressing and managing real-world information during elevator maintenance. Therefore, this paper proposes a simulator framework that can operate efficiently based on the actual elevator model. By constructing the recognition of specific objects through a 3D-based service model and visualizing the operation process, it will be possible to enhance the understanding of the structure and operation required for elevator operation. To this end, the core components of the elevator system are identified, the relationship between them and the operating method are visualized, and a simulator is implemented. Based on this, it will be possible to provide a realistic information management and operating environment in virtual space and real platform.

• Journal of the Korean Institute of Landscape Architecture
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• v.51 no.3
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• pp.122-138
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• 2023

Today, fishing villages are on the verge of extinction due to severe aging within the population and outward migration. Recent projects and studies targeting fishing villages viewed the fishing villages from an outsider-centered perspective, without a local-centered understanding of the village as a daily living space. Therefore, to understand the settlement environment of fishing villages, this study analyzed empirical data on the usage behavior of fishing village residents to gain insight into the characteristics of the outdoor space uses of residents in fishing villages. In this regard, a face-to-face survey was conducted among residents, and a village map drawn by the villagers showedthe spatial perception of the villagers. Empirical data on the behavior of fishing villagers using the village space was collected and analyzed through GPS. The study results suggested that residents of fishing villages tend to focus on productive activities, such as fishing, leading to a lack of awareness of other leisure activities and spaces. This monotonous pattern of space utilization within the village appears to stem from an absolute lack of available facilities within the target area. Therefore, in future village regeneration projects aimed at improving the quality of life for residents in fishing villages, it is essential to consider the residents' perception and utilization of space as a priority. The results of this study can be considered valuable foundational data for understanding the utilization of spaces within fishing villages and can be effectively utilized in planning initiatives to enhance quality of life.

• Knowledge Management Research
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• v.25 no.1
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• pp.89-109
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• 2024

The development of digital technology has given rise to a new service model: self-service. This model introduces the concept of "digital shadow work", in which consumers conduct unpaid behind-the-scenes digital tasks instead of employees. While consumers are engaging in increasingly more digital shadow work in self-service environments, they are unaware of their unpaid labor. This raises concerns about consumer rights and businesses' long-term sustainability and health. This study aims to reveal the psychological awareness factors that influence consumers' decisions to engage in digital shadow work in self-service environments. This exploratory qualitative study utilizes a grounded theory approach and semi-structured interviews to reveal the psychological awareness factors that contribute to consumers' decision to engage in digital shadow work. By revealing the psychological awareness of decision-making factors, this study enhances consumer's understanding and awareness of digital shadow work, which helps increase their awareness of self-protection in the context of self-service technologies. Additionally, understanding consumers' decision-making psychology is crucial for non-face-to-face self-service technology companies and provides a theoretical basis for sustainable and healthy business development.

• Proceedings of the Korean Information Science Society Conference
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• 2005.11b
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• pp.838-840
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• 2005

얼굴인식 기술은 타 생체 인식 기술에 비해 경제성과 사용자 편리성이 높은 이유로 최근 몇 년간 영상 이해 분야의 가장 성공적인 응용의 하나로 주목받고 있다. 그러나 얼굴인식은 타 생체인식에 비해 정확도가 떨어지는 문제가 있으며 이것은 배경, 조명 또는 포즈등과 같은 요인으로 인해 얼굴인식을 위한 전처리 작업인 얼굴영역 검출이 어렵기 때문이다. 본 논문에서는 얼굴영역 검출을 하기 위해서 나타나는 문제점들인 배경, 조명등의 환경적인 요인을 8x8 블록영상과 블록들의 연결성을 이용하여 제거한 후 얼굴만을 검출한다. 제안된 알고리즘은 복잡한 배경 및 원거리에서 촬영된 입력영상에서도 매우 안정적으로 적용됨을 실험을 통해 확인하였다.

• Electronics and Telecommunications Trends
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• v.22 no.2 s.104
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• pp.10-19
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• 2007

URC는 언제 어디서나 나와 함께 하며 나에게 필요한 서비스를 제공하는 로봇이라는 의미의 새로운 네트워크 기반의 지능형 서비스 로봇 패러다임이다. URC 환경에서 로봇은 사용자의 현재 상황을 이해한 뒤 적절한 정보와 서비스를 지능적이고 능동적으로 제공할 수 있어야 하며, 이를 위하여 상황 인식 시스템의 개발이 필요하다. 상황 인식시스템의 핵심 기능 중의 하나는 상황 인식 응용에서 이용 가능한 사용자의 주변 환경에 관한 정보를 표현하기 위한 형식적인 상황 정보 모델 및 이를 관리하고 이용하는 방법을 제공하는 데 있다. 본 고에서는 상황 인식 컴퓨팅의 기술 동향을 상황 정보 모델중심으로 소개하고, URC를 위한 상황 인식 미들웨어인 CAMUS의 상황 정보 모델 및 상황 정보 관리 모듈에 관하여 소개한다.

• Journal of Digital Convergence
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• v.17 no.1
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• pp.433-442
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• 2019

We have developed art and career convergence class for career recognition through drawing a neighborhood job map. Thus, we want to expand the students' career recognition. 3 Classes were conducted in 16 elementary school students from 5th to 6th. Through pre & post-questionnaire, and the interviews with the students' work, job recognition with job value and job prejudice, self-understanding and career attitude were analyzed. As follows. First, students' job recognition was expanded. The ability to identify the needs, values and purposes of jobs has improved. Changes in job values that all jobs are worth have occurred and job bias has changed. Second, the career attitude changed on the basis of self-understanding. Thus, in the context of deciding the job demanded by the society rather than the student's will, art and career convergence class was effective in career recognition.

• Journal of Korea Game Society
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• v.15 no.6
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• pp.65-76
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• 2015

This study attempts to investigate the parent's perception types of online game and their related factors. The data was collected through the online survey from 485 parents. As a result, the parent's perception types of online game were classified as 4 types. Each perception type shows differences in an attitude and reaction to online game and gender. Next, this study employed a multinomial logistic regression model to examine variables influencing the parent's perception types of online game. The result shows that parent's gender, controlling parental style, and problematic communication have statistically significant effects on the parent's perception types of online game. This study holds its significance in considering the game use of children in the context of parent-child relationship by exploring the parent's perception of online game and its influencing variables.

• Journal of The Korean Association For Science Education
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• v.32 no.1
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• pp.82-94
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• 2012

In this study, epistemological views of middle school students on scientific inquiry were investigated. The Views of Scientific Inquiry Questionnaire was administered to 141 9th graders. The questionnaire consists of five open-ended items concerning the contexts of scientific investigation, the methods of scientific investigation, the interpretation of data, and the data and evidence. Analyses of the results indicated that their epistemological understanding of scientific inquiry were not adequate on the whole. Although the students suggested a variety of factors influencing scientists' decisions on the questions and the methods of investigation, many of the factors were minor. Only a few students specifically described the activities of scientists and the constituents of "scientific" activity, and students did not demonstrate adequate understanding of experimentation in science and multiple scientific methods. Moreover, the percentage of students who possessed the informed view that data can be variously interpreted was found to be low. The students also did not understand the distinctions between data and evidence. Educational implications are discussed.

• Journal of the Korean Chemical Society
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• v.57 no.4
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• pp.499-506
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• 2013

In this study, clicker, also known as classroom response system, was applied to the chemistry method course at the university in Gyeongbuk, and preservice chemistry teachers' perceptions of clicker were surveyed. Before starting lecture, operation and class application of clickers were introduced to preservice teachers, and then 4-5 questions were presented to them in most classes during the term. After preservice teachers were asked to answer the questions, lecturer gave feedback based on the class answer distribution. Questions presented to preservice teachers were recall and/or understanding questions on learning contents, opinion questions, and questions about muddiest point. At the end of semester, preservice teachers were asked to rate their perception of clikers in terms of likert scale and essay type. They had positive perceptions of clicker use in aspects of cognitive effects, affective effects and media characteristics. They preferred conceptual understanding questions and monitoring questions among 8 clicker question types. Some cases using clickers in lecture and educational implications were also included.