• ETRI Journal
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• v.41 no.5
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• pp.608-618
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• 2019

We propose a general framework for keyed learning, where a secret key is used as an additional input of an adversarial learning system. We also define models and formal challenges for an adversary who knows the learning algorithm and its input data but has no access to the key value. This adversarial learning framework is subsequently applied to a more specific context of anomaly detection, where the secret key finds additional practical uses and guides the entire learning and alarm-generating procedure.

• Bulletin of the Korean Mathematical Society
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• v.60 no.5
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• pp.1391-1408
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• 2023

Let M and M^# be Hardy-Littlewood maximal operator and sharp maximal operator, respectively. In this article, we present necessary and sufficient conditions for the boundedness properties for commutator operators [M, b] and [M^#, b] in a general context of Banach function spaces when b belongs to BMO(?ⁿ) spaces. Some applications of the results on weighted Lebesgue spaces, variable Lebesgue spaces, Orlicz spaces and Musielak-Orlicz spaces are also given.

• East Asian mathematical journal
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• v.40 no.3
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• pp.341-353
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• 2024

This paper aims to provide a general review of Opinion Dynamics (OD) and its related models, along with application examples for special agents. We will discuss special classes of social actors, such as informed actors, opponents, and extremists, in the context of opinion dynamics. Our main objective is to determine the extent to which opinion dynamics, as a mathematical sociology, relates to social reality. To achieve this, we present key elements of mathematical sociology in Opinion Dynamics, which we then apply to real socioeconomic phenomena using modeling assumptions and mathematical formulations.

• Korean Journal of Culture and Social Issue
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• v.12 no.4
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• pp.1-36
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• 2006

This study examines the conception of the self using indigenous, cultural and psychological analysis. The self is viewed from four aspects: (1) conception of the self as an entity (the self in general, the self as an unique entity and the self when alone), (2) conception of self in the context of family (the self when with mother, father, children and spouse), (3) the self with the context of close and working relationships (the self when with friends, teachers, work superior and work subordinate), and (4) the self in context of the larger society (the self when with strangers and foreigners). A total of 1,465 respondents (623 elementary, middle, high and university students and their parents = 842) completed an open-ended questionnaire developed by the present authors. The results reveal two patterns of results. First, the conception of self in Korea is influence by one's role. Second, the conception of self in influenced by relationship and context and there is an emphasis on the flexibility and adjustment of the self to relationship and context. Implications of the conception of the self in context of relationships, roles, and contexts are discussed, along with the importance of indigenous, cultural and psychological analysis.

• Journal of Arbitration Studies
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• v.12 no.1
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• pp.3-54
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• 2002

When the ruling of Foreign Arbitral Awards contradicts the public policy of the enforcement state, it can be a ground for a refusal to enforce the ruling. New York Convention V section 2, UNCITRAL section 36, and Korean arbitration law section 36 confirm this principle. The final ruling of international arbitral awards should be respected according to the international convention or the principle of reciprocity, which cancel out the above principle: when the ruling contradicts the country's public policy, it can be refused to enforcement. Since the Helsinki General Convention, ILA have studied upon it and presented the final report and recommendation during the 2002 New Delhi General Convention. In it, firstly, the finality of awards rendered in the context of international commercial arbitration should be respected save in exceptional circumstances. Secondly, every state is recommended the “international public policy”, on which it can refuse to follow the ruling of international arbitral awards, and advised to respect it as far as possible.

• The Journal of Fisheries Business Administration
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• v.40 no.1
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• pp.97-112
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• 2009

The amendment of regulation affecting the Governing Body of NFFC (National Federation of Fisheries Cooperatives) has been known to the public in May 2008. Its essential points are as follow: 1) the President of NFFC shall be a non-standing officer. 2) the Full-Time Directors shall have the authority to deal with all subjects except for those especially reserved for the General Meeting or Board of Directors, while minimizing the authority of NFFC President. By providing this amendment, the government seeks to make the Governing body becomes professionalized and the management functions carried out by full-time professional board members. However, the amendment seems to pay no attention to the co-operative's identity and principles. In this context, five issues will be discussed: 1) Strengthening the separation between ownership and control of NFFC. 2) Weakening the authority of General Meeting. 3) The bounds of Audit Committee. 4) Consolidating the management control of the Full-Time Directors. 5) The loss of NFFC's Identity, followed by a summary and conclusion.

• Proceedings of the Korea Inteligent Information System Society Conference
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• 1999.10a
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• pp.251-259
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• 1999

In the literature, the general framework of competitive forces has been used extensively to analyze industries in the traditional economy. More specifically, the model has been used to develop strategies for companies in various sectors. The general model can also be used to analyze the use of information technology to enhance competitive advantage. This paper extends the conceptual model to the Internet environment. For concreteness, the concepts are examined in the context of the health care industry. In addition, a comparative analysis is performed to examine the similarities and differences in providing merchandise or services in cyberspace.

• Journal of Korean Academy of Nursing
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• v.37 no.4
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• pp.501-509
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• 2007

Purpose: The purpose of this study was to identify job stress experienced by head nurses of general hospitals. Methods: Data was collected from 10 head nurses with in-depth interviews about their actual experiences. The main questions were when, why, and from whom they get stress in the work field; how they are affected by the stressful situation; and how they cope with this stress. All the interviews were recorded and transcribed. The collected data was analyzed using a consistent comparative data analysis method. Results: Job stress of head nurse was formed by 3 axis; causes, reactions, and coping strategies in complicated situational context such as human relationship, culture of hospital, individual characteristics, social support. Conclusion: The results of this study yields very useful information for nursing mangers to identify, by stages, the demands of the head nurses in their role adaptation process. The findings of this study contributes to developing programs and supportive policies that palliates the head nurses' job stress.

• Korean Institute of Interior Design Journal
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• v.20 no.1
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• pp.71-79
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• 2011

Mount Angel Abbey library shows not only the general characteristics which Aalto had shown in his 60s but also special features of his last library project. Special features of Mount Angel library are the result of considering geography and existing context of the site. General characteristics of the library mainly come from the Aalto's concept for library especially considering light. Due to steep site, Mount Angel Abbey library has multi-layered and dynamic spatial configuration. Aalto considered the importance of daylight in the library and applied various kinds of openings to induce natural light. Therefore, Mount Angel Abbey library is the final result of his library type that developed from the Viipuri library of 1930s and his architectural thoughts of 1960s. As a combination of space and light, Mount Angel Abbey library is the outcome of Aalto's unique functional thoughts which maximize the function of the library through efficient induction of natural light.

• Structural Engineering and Mechanics
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• v.32 no.1
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• pp.1-20
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• 2009

The present contribution addresses uncertainty quantification and uncertainty propagation in structural mechanics using stochastic analysis. Presently available procedures to describe uncertainties in load and resistance within a suitable mathematical framework are shortly addressed. Monte Carlo methods are proposed for studying the variability in the structural properties and for their propagation to the response. The general applicability and versatility of Monte Carlo Simulation is demonstrated in the context with computational models that have been developed for deterministic structural analysis. After discussing Direct Monte Carlo Simulation for the assessment of the response variability, some recently developed advanced Monte Carlo methods applied for reliability assessment are described, such as Importance Sampling for linear uncertain structures subjected to Gaussian loading, Line Sampling in linear dynamics and Subset simulation. The numerical example demonstrates the applicability of Line Sampling to general linear uncertain FE systems under Gaussian distributed excitation.