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박상철 전남대학교 지역개발연구소 1987 지역개발연구 Vol.19 No.1
Behavioral theories of trade have their intellectual roots in the development of behavioral science and its adoption to the theory of the firm. They emerged in the point of view that the existing trade theory has some limitations and the alternative way of explanation for trade is necessary. This paper reviews the articles on the export behavior of small and medium sized firms on classifying them into large four groups according to their basic approaches as follows: 1. theories on, the determinant variables of export behavior. 2. strategic approaches to export behavior, 3. international marketing mix reproaches to export behavior, 4. theories on internationalization of the firm. Also the articles on the effects of the size of the firm has been dichotomized into irrelevant and relevant theories. As a result of reviewing these studies the following facts can be noted. First, the decision makers play a critical role in explicit and implicit export behavior of the firm. They can appear in various features as like top managers, determinant variables, or strategy and tactics formulators. But this merely reflects the perspectives of the researchers or the objectives of the research. Second, the process of or stages of the internationalization of the firm is only a consequence of export behaviors, not determinant or causal factors. So the theory of internationalization of the firm should have relations with behavioral theory of trade just like the economic development theory has with economics. Third. in view of the decision maker's overwhelming role in determinig the patterns of trade, the information capability of the firm-environmental scanning, information gathering, processing, accumulation and utilization capability-is vital to explain the export behavior and internationalization of the firm. Fourth, the size of the firm within the specific range cannot affect the patterns of trade feed-forwardly. Fifth, the export behavior can be got hold of its nature in the context of general organizational behavior. Further studies in this field will be encompassed by the Stimulus- Organization- Behavior- Consequence model. Based on these results the directions for further studies and the implications for both management and policy are presented.
박상철 한국도덕교육학회 2014 道德敎育硏究 Vol.26 No.3
Plato’s Phaedrus is composed of two parts. In the first part, he treats on eros or love, and in the second part, on rhetoric. These two parts can be unified by the concept of psychagogia—leading of the soul. In the light of the concept, discourse on eros shows the inner part of the educational relation between the lover and the beloved. And, discourse on rhetoric shows the outer part of it. In this way of unification, Plato’s Phaedrus dramatically draws the manic figure of Socrates who could not help enduring the difficulties and sufferings on the course of the educational relation. 플라톤의 대화편 「파이드로스」는 크게 두 부분으로 이루어져 있다. 대화편의 전반부에서는 ‘에로스’에 대한 논의가 이루어지고 있으며, 후반부에서는 ‘수사술’에 대한 논의가 이루어지고 있다. 이 두 논의는 ‘프쉬카고기아’—영혼의 인도, 영혼을 돌보는 일—이라는 개념을 중심으로 통합될 수 있다. ‘프쉬카고기아’의 개념에 비추어 보면, ‘에로스’는 애자와 애인 사이에서 이루어지는 교육적 관계의 안쪽을 가리키며, ‘수사술’은 그 바깥쪽을 가리킨다. 그리고 그 개념에 비추어 「파이드로스」를 파악할 때, 이 대화편은 교육적 관계 속에서 광기어린 애자로서의 소크라테스가 겪어야 했던 고난과 역경을 여실하게 보여준다.
YOLO 알고리즘 기반 국토위성영상의 선박 모니터링 가능성 평가 연구: 부산 신항과 캘리포니아 오클랜드항을 대상으로
박상철,박영빈,장소영,김태호,Park, Sangchul,Park, Yeongbin,Jang, Soyeong,Kim, Tae-Ho 대한원격탐사학회 2022 大韓遠隔探査學會誌 Vol.38 No.6
Maritime transport accounts for 99.7% of the exports and imports of the Republic of Korea; therefore, developing a vessel monitoring system for efficient operation is of significant interest. Several studies have focused on tracking and monitoring vessel movements based on automatic identification system (AIS) data; however, ships without AIS have limited monitoring and tracking ability. High-resolution optical satellite images can provide the missing layer of information in AIS-based monitoring systems because they can identify non-AIS vessels and small ships over a wide range. Therefore, it is necessary to investigate vessel monitoring and small vessel classification systems using high-resolution optical satellite images. This study examined the possibility of developing ship monitoring systems using Compact Advanced Satellite 500-1 (CAS500-1) satellite images by first training a deep learning model using satellite image data and then performing detection in other images. To determine the effectiveness of the proposed method, the learning data was acquired from ships in the Yellow Sea and its major ports, and the detection model was established using the You Only Look Once (YOLO) algorithm. The ship detection performance was evaluated for a domestic and an international port. The results obtained using the detection model in ships in the anchorage and berth areas were compared with the ship classification information obtained using AIS, and an accuracy of 85.5% and 70% was achieved using domestic and international classification models, respectively. The results indicate that high-resolution satellite images can be used in mooring ships for vessel monitoring. The developed approach can potentially be used in vessel tracking and monitoring systems at major ports around the world if the accuracy of the detection model is improved through continuous learning data construction.
박상철 한국도덕교육학회 2022 道德敎育硏究 Vol.34 No.4
The proposition ‘one virtue is one’ has been regarded as one of the key pillars of Socrates’ ethics or moral education theory. G. Vlastos, the eminent scholar on Plato, noting that the meaning of this proposition is unclear, offers a new view of interpreting it, on the basis of the concept ‘Pauline predication’. According to that point of view, the meaning of the proposition is that a person possessing certain virtues also possesses other virtues, and in that sense ‘the virtue is one’. However, this view is not helpful in understanding Socrates' ethics or moral education theory, because it excludes the problem of educability of virtue, which is the background of the discussion on the problem of unity of virtue. The problem of unity of virtue is fairly understood by revealing the connection between the problem of educability of virtue and that of the unity of virtues. And an important clue can be found in the concept of ‘form of good’. The ‘form of good’ exists in the realm of God and the realm of hope, and in order to properly carry out such-and-such virtue education, before such kinds of education is carried, it is necessary to acquire knowledge of 'form of good' that makes them all meaningful. ‘덕은 하나’라는 명제는 소크라테스의 윤리학 또는 도덕교육 이론을 구축하는 핵심 기둥 중의 하나로 간주되어 왔다. 플라톤 연구가인 블라스토스는 이 명제의 의미가 불분명하다는 점을 지적하면서, ‘바울의 서술어’라는 독특한 아이디어를 기반으로 하여 그것을 해석하는 한 가지 관점을 제시하고 있다. 그 관점에 의하면, ‘덕은 하나’라는 명제는 어떤 덕을 갖춘 사람은 다른 덕 또한 갖춘 사람이며, 그 점에서 ‘덕은 하나’이다. 그러나 블라스토스의 이 관점은, 덕의 단일성 문제에 대한 논의의 배경인 덕의 교육 가능성 문제를 배제하고 있다는 점에서, 그 명제를 둘러싼 소크라테스의 윤리학 또는 도덕교육 이론을 이해하는 데 큰 도움이 되지 못한다. 덕의 단일성 문제는 덕의 교육 가능성 문제의 관련을 밝힘으로써 드러나며, 그 중요한 단서는 ‘선의 형식’이라는 개념에서 찾을 수 있다. ‘선의 형식’은 신의 영역, 소망의 영역에 존재하며, 이런저런 덕들에 대한 교육이 올바르게 수행되기 위해서는 ‘그 전에’ 그것들 전체를 의미 있게 만들어 주는 것, 즉 ‘선의 형식’에 대한 지식을 획득해야 한다.