• 한국IT서비스학회지
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• 제14권1호
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• pp.145-158
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• 2015

Currently, Social Commerces have increasingly gained popularity with the growth of Social Network Services (SNS). As the applications of smartphones are being applied in widespread areas, social commerces in the smartphone environment have entered a new chapter. The applications of social commerces on smartphones are widely used, which has increased the market share of social commerces exponentially. Thus, we tried to find out factors which may affect the user acceptance of social commerces in the smartphone environment. We develop a research model to examine how social commerces in the smartphone environment are accepted by users based on the academic factors-switch costs, trend-seeking tendency, richness in media. The theoretical model is validated through an survey of social commerce users in the smartphone environment from the undergraduates and the graduates in Seoul, Korea. The structural equation analysis is conducted based on the partial least square (PLS) approach. The results reveal that the switch cost will have positive mediating influences to the intention to use social commerce in the smartphone environment. We also find that the perceived usefulness of the smartphone is affected by the media richness. The results also suggest that the trend-seeking tendency has no influences to the users of social commerces in the smartphone environment. Also, theoretical and practical implications are discussed. The findings are believed to increase our understanding an interesting mobile phenomenon, as well as making contributions.

• 대한지구과학교육학회지
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• 제4권2호
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• pp.186-193
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• 2011

The aim of this study is to find out the effect of reading aloud science books on change of attitude toward the science, interest of instruction. Participants included 52 elementary school students. For this study, two classes were divided into experimental class and control class. The control class takes a regular instructions and the experimental class takes a reading aloud instructions. Two chapter were selected, 'Volcano and Rocks' and 'Family of the Sun', for this study. Students were treated for 12 hours. All the results were analyzed quantitatively and following conclusions were made. The students' scientific attitude in the experimental class were higher than those of students in the control class. However, according to statistical analysis, this result is meaningless. In the sub-parts, critical ability, cooperation and creativity were improved meaningfully. Instruction with reading aloud science books didn't show a meaningful difference in interest of instruction. However, in the sub-part, they showed meaningful improvement in attention and relevance.

• 한국문헌정보학회지
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• 제38권4호
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• pp.125-147
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• 2004

본 연구의 목적은 기록물기술의 가장 선진국인 미국에서의 기록물기술의 표준화를 위한 발달과정과 기록물 기술규칙의 내용 및 특징에 대한 분석을 통하여 앞으로 우리의 기록물기술 표준화를 위한 기술규칙 제정의 필요성과 방향을 위한 토대를 마련하고자 한 것이다. 이를 위하여 먼저 기록물기술의 표준화의 의의와 미국에 있어서 기록물기술 표준화의 발달과정을 살펴보았다. 또한 현재 기록물 기술규칙으로 사용 중인 AACR2R 제4장 Manuscripts와 APPM2의 제정배경 및 특징에 대해 조사하였다. 그리고 이들 규칙의 내용을 비교 분석해 보고, 우리의 기록물기술 표준화를 위한 기술규칙 제정의 방향을 제시하였다.

• 무역상무연구
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• 제69권
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• pp.153-178
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• 2016

The United Nations Convention on the International Sale of Goods(CISG) leaves a number of aspects concerning commercial sales untouched. In particular, it is not concerned with the validity of the contract or of any of its provisions or of any usage. And UNIDROIT don't deal with all-round validity in International Commercial Contract. Especially, UNIDROIT includes declaration of intention department. The UNIDROIT contains the chapter 3 on the "validity" in terms of the defects of consent such as mistake, fraud, and threat as well as "gross disparity". Notwithstanding these provisions, the Principles did not deal with invalidity arising from the lack of capacity or authority, or immorality or illegality. On the other hand, there are arguments that the corresponding provisions of the Principles of International Commercial Contracts(UNIDROIT Principles; PICC). Therefore, Validity in International Commercial Contract is delegate by Each Country Law. So Trade practicer should know full well about Each Country Law Position. People(human, corporation, company) of position Trade practice classify each country civil law relation to validity of commercial contract. This paper is to examine the Validity of UNIDROIT Principles. Also this paper analyses comparison on each country position relation to capacity of right, capacity to act, illegality of contract, declaration of intention. In conclusion, This paper expect that people of trade practice makes use of analysis knowledge.

• 대한한의학원전학회지
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• 제26권4호
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• pp.355-366
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• 2013

Based on analysis of the organization and listed formulas of the Sinchanbyeokonbang(新纂辟瘟方), it is clear that it has been published based on the Dong-uibogam(東醫寶鑑). This study was carried out under this premise, with focus on the differences between Sinchanbyeokonbang and the epidemic febrile disease[瘟疫] chapter of the Dong-uibogam. In short, Sinchanbyeokonbang reflected a changed view on the epidemic febrile disease, improving its professionalism by supplementing formulas from previous texts and folk prescriptions. At the same time, it improved clinical practicality rather than medical, academic facts, which shows its objective in improving public health and medicine.

• 한국도서관정보학회지
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• 제15권
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• pp.207-243
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• 1988

This study is an attempt to furnish some helpful data for the maximum use of online information retrieval systems based on the comparative analysis of commands and operating terms employed by DIALOG, ORBIT and BRS which are three largest information retrieval systems in the world. To begin with, the historical development, service contents and retrieval functions of three systems were overviewed in the second chapter, on the basis of which the concrete functions and contents of the commands and the operating terms of the three systems were compared and analyzed one another. Commands were explained divided into basic and special ones. The basic commands subdivided into 44 items were put into the form of a diagram(Table 1). The special commands were first subdivided into search commnad, output-related commands and su n.0, pplementary commands, and then 14 items of which were comparatively analyzed and were represented as a chart(Table 2). In addition, any stand-alone commands employed by each system were also analyzed as a chart(Table 3). The Operating terms other than commands were subdivided into 16 items and were represented as a chart(Table 4). Password, inverted file, search step number in search session, etc were explained to the very detailed extent. A self-evident, single word is that the through understanding of commands is essential to the maximm use of all the functions of each of three systems.

• 한국초등과학교육학회지:초등과학교육
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• 제23권4호
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• pp.273-278
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• 2004

According to Piaget, children aged 11 are in the middle of concrete operation period and formal operation period. So, it is necessary to adopt the Learning Cycle Model (LCM) which helps students improve their cognitive development. After determining the test for the Science Concept of Matter (SCOM), the experimental group showed higher average than the comparative group in the post-test. In the sound understanding, the experimental group showed higher ratio than the comparative group. And in the ratio of imperfect, wrong understanding and no response, the experimental group was lower than the comparative group. On the questions that were needed the complicated inquiry, many students of both groups still couldn't find the fundamental cause. In forming the scientific conceptualization, there was a meaningful difference (p < .001) after post-test Analysis of Covariance (ANCOVA) with pre-test result. After determining the test for the Test Inquiry Science Process (TISP), the experimental group showed higher average than the comparative group in the post-test. In the category of basic inquiry process which is needed in concrete operation, there was a meaningful difference (p < .05). In the category of unified inquiry process which is needed in formal operation, they showed no meaningful difference (p > .05). Therefore, applying the LCM to the chapter of 'Solution and Dissolving' is more effective on improving the scientific conceptualization and on helping the concrete operation abilities than the teacher centered learning.

• International Journal of Fuzzy Logic and Intelligent Systems
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• 제12권4호
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• pp.285-289
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• 2012

In a coastal area, all of the vessels are always exposed to the potential risk, taking into the maritime accident statistics account over the last decades. To manage vessels underway safety, the characteristics of ship movements in a fairway should be recognized by VTS system or VTS operators. The IMO has already mandated the shipboard carriage of AIS since 2004, as stated in SOLAS Chapter V Regulation 19. As a result, the static and dynamic information of AIS data has been collected for vessel traffic management in the coastal areas and used for VTS. This research proposes a simple algorithm of recognizing potentially risky ships by observing their trajectories on the fairway. The static and dynamic information of AIS data are collected and the curvature for the ship trajectory is surveyed. The proposed algorithm finds out the irregularity of ship movement. The algorithm effectively monitors the change of navigation pattern from the curvature analysis of ship trajectory. Our method improves VTS functions in an intelligent way by analyzing the navigation pattern of vessels underway.

• Korean Journal of Acupuncture
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• 제36권4호
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• pp.292-299
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• 2019

Objectives : DongUiBoGam is one of the representative medical literatures in Korea. We used text mining methods and analyzed the characteristics of the indications of each meridian in the second chapter of DongUiBoGam, WaeHyeong, which addresses external body elements. We also visualized the relationships between the meridians and the disease sites. Methods : Using the term frequency-inverse document frequency (TF-IDF) method, we quantified values regarding the indications of each meridian according to the frequency of the occurrences of 14 meridians and 14 disease sites. The spatial patterns of the indications of each meridian were visualized on a human body template according to the TF-IDF values. Using hierarchical clustering methods, twelve meridians were clustered into four groups based on the TF-IDF distributions of each meridian. Results : TF-IDF values of each meridian showed different constellation patterns at different disease sites. The spatial patterns of the indications of each meridian were similar to the route of the corresponding meridian. Conclusions : The present study identified spatial patterns between meridians and disease sites. These findings suggest that the constellations of the indications of meridians are primarily associated with the lines of the meridian system. We strongly believe that these findings will further the current understanding of indications of acupoints and meridians.

• 대한한의학원전학회지
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• 제28권4호
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• pp.179-192
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• 2015

Objectives : In this article, the concept of Neishang and Zabing and the establishment of the terms, are investigated. Methods : The literatures related to the establishment of Neishang and Zabing, for example, Huangdineijing, Shanhanlun, Jinguiyaolue etc are selected and then the analysis and investigation of the significant documents has followed. Results : The concept of Neishang originally means the group of disease caused by internal pathogens, for example, emotions in Huangdineijing; however, it has become rarely mentioned in Shanhanlun, Jinguiyaolue. The other concept, Zabing that is used once as a name of chapter in Huangdineijing means the group of diseases without exogenous diseases after Shanhanzabinglun was published. Conclusions : The concept of Neishang has divided into qiqingneishang that is caused by emotion disorders in Sanyinfang in the Song dynasty, and yinshineishang argued by Lidongyuan, a doctor in the Jinyuan dynasty: the latter has been the main meaning of Neishang. The concept of Zabing had been used as a narrow sense, the rest diseases until it was extended to a broad sense, the name of disease group except for internal and body-based diseases.