• Proceedings of the Korean Society of Agricultural Engineers Conference
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• 2000.10a
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• pp.239-245
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• 2000

This study is aimed to develop the historical data management system named "ACON"(Actual COst Network system) which can be used for collecting, analysis and modification of the historical data. ACON_Local is used for collecting the historical data at each spot place. It redueces the work potential of managers, spending time and cost. ACON_Analysis is to analyze the collection , modifies the data′s error and updates the historical database. ACON_Network is developed to transfer data from ACON to Web server or opposites. The proposed model, ACON, provide the easy way for the cost estimate system, "HiCOMS" to collect, analyze and modify the historical cost evaluated data, which is used to compose the historical data base.

• Journal of Chest Surgery
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• v.52 no.5
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• pp.331-334
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• 2019

• Journal of Chest Surgery
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• v.57 no.1
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• pp.103-107
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• 2024

• Journal of Chest Surgery
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• v.55 no.6
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• pp.489-491
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• 2022

• Journal of the Korean Geographical Society
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• v.47 no.4
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• pp.568-591
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• 2012

Korean historical geography as a distinct subset of modern geography began with the path-breaking efforts of Do-Yang Roh in the second half of the 1940s. He was joined in 1960 by founding father Dr. Chan Lee who carried with himself the Berkeley geography he learned from Fred Kniffen, his advisor, and Robert West at Louisiana State University. Dr. Lee, the single-most important figure in the development of Korean historical geography, founded in 1988 the Association of Korean Cultural and Historical Geographers in order to pull together those interested in past geographies and geographical change. Korean historical geography took off in the 1980s when large numbers of doctoral theses were produced domestically and abroad and British cross-sectional methodology added. Diversity in research theme and methodology characterizes present-day Korean historical geography.

• The Journal of Industrial Distribution & Business
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• v.11 no.1
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• pp.19-28
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• 2020

Purpose: This research aims to empirically investigate the motivation of corporate voluntary disclosure by exploring the impact of historical loss on corporate social responsibility disclosure (CSRD). Research design, data, and methodology: This paper takes Chinese A-share listed firms that issued standalone social responsibility reports during the period of 2009-2017 as a sample. Drawing on extant literature, this paper defines historical loss firms as firms with net profit greater than or equal to 0 and undistributed profit less than 0. The tendency score matching method (PSM) is used to find matching samples for historical loss firms. Then OLS regression is conducted to investigate the relationship between historical loss and corporate social disclosure. Results: The results show that historical loss has a significant positive impact on the quality of corporate social responsibility disclosure. After changing the measurement of independent and dependent variables as well as adopting different matching methods to screen the control group, the results still hold. Further research indicates that the relationship between historical loss and CSRD is influenced by corporate financing constraints and industry competition. Conclusions: This research supports the resource motivation hypothesis of corporate social responsibility disclosure, and provides empirical evidence for regulators to strengthen supervision on corporate disclosure.

• Journal of Advanced Navigation Technology
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• v.14 no.2
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• pp.143-150
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• 2010

Ontologies, which are consist of entities and their relationships, have been used to implement various scenarios of information services. That is because an entity can be understood well when the surrounding entities and the relationships are known. In describing historical events. The spatio-temporal locations connote the historical context comprehensively. Therefore spatio-temporal locations are one of the most important carriers to connect the historical events. In this paper we analyzed the usage scenarios to access and retrieve historical information, and proposed the design of ontologies for historical information services for making historical stories based on spatio-temporal reference frame.

• Journal of the Architectural Institute of Korea Planning & Design
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• v.35 no.2
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• pp.11-22
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• 2019

The purpose of this study is to explore changing attitudes towards old urban environments, represented in the comprehensive plans of Seoul, from the first 1966 plan through the most recent one of 2014. The results of analyzing all 6 Seoul urban comprehensive plans are as follows. The contents for considerations and actual planning actions for old urban environments were presented from the third comprehensive plan of 1990. The term 'historical heritage' was first applied in the urban park planning of the 1996 plan. In the 4th comprehensive plan of 1997, it began to regard historical landscapes as 'precious heritages' to make plans for using historical heritages in parts of landscape, education, and tourism. The scope of 'historical heritage' in the comprehensive plans has been expanded. This tendency continued to expand in the 5th plan of 2006, and again in the 6th plan of 2014. At the same time, in pursuing the identity of Seoul, 'historical heritage' in old urban environment came to be materialized further as planning objects.

• Asian review of World Histories
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• v.4 no.1
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• pp.3-34
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• 2016

This introduction is both a statement of a research problem and an account of the first research results for its solution. As more historical databases come online and overlap in coverage, we need to discuss the two main issues that prevent 'big' results from emerging so far. Firstly, historical data are seen by computer science people as unstructured, that is, historical records cannot be easily decomposed into unambiguous fields, like in population (birth and death records) and taxation data. Secondly, machine-learning tools developed for structured data cannot be applied as they are for historical research. We propose a complex network, narrative-driven approach to mining historical databases. In such a time-integrated network obtained by overlaying records from historical databases, the nodes are actors, while thelinks are actions. In the case study that we present (the world as seen from Venice, 1205-1533), the actors are governments, while the actions are limited to war, trade, and treaty to keep the case study tractable. We then identify key periods, key events, and hence key actors, key locations through a time-resolved examination of the actions. This tool allows historians to deal with historical data issues (e.g., source provenance identification, event validation, trade-conflict-diplomacy relationships, etc.). On a higher level, this automatic extraction of key narratives from a historical database allows historians to formulate hypotheses on the courses of history, and also allow them to test these hypotheses in other actions or in additional data sets. Our vision is that this narrative-driven analysis of historical data can lead to the development of multiple scale agent-based models, which can be simulated on a computer to generate ensembles of counterfactual histories that would deepen our understanding of how our actual history developed the way it did. The generation of such narratives, automatically and in a scalable way, will revolutionize the practice of history as a discipline, because historical knowledge, that is the treasure of human experiences (i.e. the heritage of the world), will become what might be inherited by machine learning algorithms and used in smart cities to highlight and explain present ties and illustrate potential future scenarios and visionarios.

• Journal of the Korean Society of Costume
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• v.61 no.2
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• pp.32-46
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• 2011

The study researched the characteristic of helmet and armor reflecting Joseon Dynasty by focusing on the helmet and armor appearing in dramas, the Tear of Dragon and King Sejong, whose common point is the historical background, the early Joseon Dynasty, among the historical dramas, which are manufactured on the basis of historical person or age. First, the helmet and armor appearing in historical drama was reproduced on the basis of historical record depending on age. In the early Joseon Dynasty, helmet was classified into cheomju and wonju and armor was classified into chalgap, swaejagap, gyeongbeongap, dujeonggap and dudumigap. In drama, the Tear of Dragon and King Sejong, for helmet, cheomju and wonju were used and for armor, chalgap, dujeonggap and dudumigap, whose type and manufacture method were similar to that of historical record, were reproduced. Second, the helmet and armor appearing in historical drama searched for function. In drama, the Tear of Dragon, rather than heavy iron, plastic and textile were used and the metal scale inside armor was removed. In drama, King Sejong, the weight of armor was decreased by removing the metal scale inside armor and easy wearing was secured by using velcro. Third, the helmet and armor appearing in historical drama expressed various dramatic interpretations. In drama, the Tear of Dragon, the same color as that of armor was adopted for helmet to provide stable and unified feeling. Visually splendid display was added to armor by matching powerful prime color and glossy metal. In drama, King Sejong, modem sense was added to helmet and armor by actively using pastel color reflecting modem fashion.