• Bulletin of the Korean Space Science Society
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• 2010.04a
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• pp.33.4-33.4
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• 2010

수시력은 원나라 곽수경이 만든 역법으로 중국 역사상 가장 좋은 역법중의 하나로 알려져 있다. 그리고 수시력 계열의 역법들인 대통력통궤나 칠정산내편은 세실소장법의 유무, 역원, 몇몇 상수값의 차이 등 약간의 차이는 있지만 기본적으로 같다. 이 연구에서는 수시력, 대통력통궤, 칠정산내편에 의한 일식 계산 과정을 전산화 하고 그 결과들을 문헌의 기록들과 비교 검증하였다. 또한 칠정산내편이 편찬된 1444년에서 시헌력이 도입되기 이전인 1653년까지의 기간 동안에 조선에서 관측 가능했던 일식들을 현대 계산 결과와 수시력 계열의 역법들에 의한 계산 결과를 상호 비교하였다. 이 학술 발표대회에서 이러한 연구 결과들을 발표하고자 한다.

• Journal of Korean Library and Information Science Society
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• v.47 no.4
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• pp.411-441
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• 2016

This research examined the composition background of Miscellaneous Explanations of Seongho(湖僿說), the representative work of Yi Ik(李瀷, pen name is Seongho 星湖, 1681-1763), then selected the 443 cited references in the book, and analyzed the features of them such as the scales and characteristics of reference, the proportion of Chinese books, the ratio of latest editions and the relative importance by subjects. After examining the ratio of Goryeo-Joseon and Chinese books among 443 references in Miscellaneous Explanations of Seongho, it was revealed that there were 23.3% of Goryeo-Joseon books and 76.7% of Chinese books cited. The investigation on the editorial period of the referred Chinese books showed that 70% and more were books of the Song and pre-Song period, whereas 22.7% were books of the Ming-Qing period. The analyzation of the proportions of the reference by subject showed that the subject fields with highest percentage appeared in the order of historical books, poetry and prose collections, Confucian classics, and novels and essays. And besides these subjects, he had been interested in various subjects: Miscellaneous Schools, Confucian School, geography, regulation of systems, painting and music, dictionary, biography, encyclopedia, and so on.

• Journal of Elementary Mathematics Education in Korea
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• v.24 no.1
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• pp.109-128
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• 2020

South Korea places the core of public education in school education, and textbooks are compiled based on curriculum announced by the Education Ministry. Therefore, the compilation of high-quality textbooks is very important and requires more than just revising the curriculum. Korea had been working on developing textbooks several times, but it has been evaluated as a uniform textbook in terms of external system and editing design compared to advanced foreign textbooks. This can be said to be the result of the based to only the textbook's internal system, which should be dealt with in the textbook when compiling the textbook. The textbooks which were developed at seventh curriculum were made remarkable changes in the history of South Korea textbooks. In this study, we want to examine the nation's state-authored textbooks, from the seventh textbook to the current textbook in 2015 by order of magnitude and to give a careful look at what aspects of the changes are being made. To this end, the composition of textbooks is analyzed by dividing them into external and internal systems. The external system of textbooks focuses on changes in plate form, shape, lipid, color, and illustration, while the internal system focuses on changes in the composition system of the unit, the composition system of the contents by lesson, and the style of question. As a result, we led to a significant conclusion on the changes in textbooks.

• The Korean Journal of Archival Studies
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• no.13
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• pp.205-231
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• 2006

My suggestions in this paper come out of the review of the records on the Korean-Japanese negotiations(1952-1965). Before January 2002, the enforcement of the public records law, we had a poor management system of the diplomatic records. For a long time the diplomatic records of Korean government has not been preserved and managed according to the international and professional standards. So many important records have been probably lost and unsuitably classified, preserved for the future use. By the coming of public records law this deplorable situation in the management of diplomatic records has been much improved. However the registration, classification, compilation, based on the principle of provenance were not so sufficiently realized. It is now very urgent to employ more archivists in the relevant governmental institutions and organizations, and to introduce the concept of record group for the management of diplomatic papers. Also at the preparatory work for the publication of the diplomatic papers it is strongly needed to make a room for the participation of the civil experts such as historians, archivists and political scientists. In the case of publication of the Korean-Japanese papers it is also necessary to take the relevant American and Japanese governmental records on Korean-Japanese negotiations and private records of the actors of the times into account. Moreover it must be also seriously considered to start a big project for the elaborate edition of the important records of the foreign policy of the nation.

• The Korean Journal of Archival Studies
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• no.65
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• pp.365-396
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• 2020

I examined the archival basis of two historians who wrote history books with the same title of 'History'; Simaqian of ancient China and Herodotus of Halikarnassos. I examined a prejudice to these two history books, a misunderstanding of them as an imagination rather than a history. How can an imagination become a history? First, I explained the common characteristics found in their compilation and writing of 'History.' Simaqian and Herodotus did their field-works in historical sites, gathered oral-histories, and arranged archives they collected. These two historians heavily engaged in archival works in terms of verifying authenticity and reliability of their sources on the basis of historical empiricism. There are some misunderstanding on their archival endeavor and on the very nature of archives and historical studies as empirical studies. Furthermore, this misunderstanding regarding them as literature came from a confusion over the concept of literature. The creativity of literature is not equal to the "fictitiousness" of history despite historical works sometimes may give us an impression by the way of describing and providing insight into a certain event(s) and a person(s). As Herodotus said, a recognition of the differences of each race and human is a departure of historical archiving of the valuable experiences of human-beings. By doing so, natural results of archival behaviors, preservation of the records, and consistent inquiry of historian-archivists become a humanistic passage overcoming the current wrong trends of historical studies confined to a narrow nation-history.

• Journal of Korean Library and Information Science Society
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• v.42 no.2
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• pp.257-276
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• 2011

The purpose of this study is to compare and analyze the functions and characteristics of search interfaces of Korean Old and Rare Collection Information System(KORCIS) and Korean History Online. The checklist of OPAC functionalities proposed by Breeding was used to examine eleven functions of these systems. Both system provide the following functions: Search by keywords; Boolean operators in queries; Order results chronologically; Modify search without re-keying the initial terms ; Search within result sets ; and Ability to limit results to an individual library or education. They do not provide such functions as Browse by author, title, subject and View and recall the search history for the current session. Adoption of standard OPAC and next-generation catalog functionalities, in-depth understanding of user needs and information seeking behaviors, and the improvement of subject access to these systems are suggested in this study.

• Journal of the Korean School Mathematics Society
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• v.12 no.2
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• pp.229-241
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• 2009

This paper provides a review of the historical development story of the NCTM 1989 Standards based on perspective of history of U. S. mathematics education and research in the 1970s and 1980s. In contrast to other nations, the U. S. has always favored local over national control of education. But by 1983, mounting evidence of failures of U. S. education moved the authors of A Nation at Risk to recommend strengthened requirements, rigorous Standards, and higher expectations for all students. In response to A Nation at Risk, the NCTM began to develop the nation's first educational Standards. This paper satisfies the readers who desire to know the entire development story of the first Standards.

• Communications of Mathematical Education
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• v.20 no.2 s.26
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• pp.231-248
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• 2006

There are several kinds of mathematical thinking. The most basic mathematical thinking is analysis and synthesis. The problem of analysis and synthesis is one of the most important things in mathematics. We used mathematical textbook of Prof. Gusev for the study on the problem of analysis and synthesis. We suggested basic classification standard of problem of analysis and synthesis through historical survey and then suggested specific classification standard.

• The Bulletin of The Korean Astronomical Society
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• v.37 no.2
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• pp.93.2-93.2
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• 2012

삼복(三伏; 초복, 중복, 말복)은 한국의 전통적인 세시풍속이면서 오늘날에도 널리 알려져 있는 잡절 중의 하나이다. 한국천문연구원에서 매년 발간하는 역서나 1900년부터 2100년까지의 역일 자료를 계산한 "만세력"에도 삼복 일자를 표시하고 있다. 이 논문에서는 역 관련 자료들을 분석하여 조선시대 삼복 일자의 결정법에 대하여 연구하였다. 현재 규장각에 소장되어 있는 "작력식(作曆式)", "증보작력식(增補作曆式)"에 의하면 초복과 중복은 하지로부터 각각 3번째, 4번째 경일(庚日), 말복은 입추로부터 1번째 경일이며, 만일 하지가 경일인 경우에는 하지일로부터 3번째 경일을 초복으로, 입추가 경일인 경우에는 입추 시각이 오전인 경우 그날을 말복으로 오후인 경우 다음 경일을 말복으로 한다고 되어 있다. 먼저 하지나 입추가 경일이 되는 해를 분석한 결과 일반적으로 하지 시각이 오전인 해의 2년 후에는 시각이 오후인 해가 있었고, 19년 후에 다시 하지 시각이 오전인 해가 돌아옴을 알 수 있었다. 그러나 종종 2+19년 주기가 아닌 2+17년 주기로 나타나는 경우도 있었다. 삼복 일자와 관련하여서는 적어도 1752년(정조 22) 이후부터는 "증보작력식"의 삼복 결정법이 사용되었음을 확인 할 수 있었다. 그러나 일제 강점기에 편찬된 1930년의 역서를 제외하고는 1861년(철종 12) 이후부터는 남병길의 "추보첩례(推步妾例)"에 따라 입추 시각에 무관하게 그날이 경일이면 말복으로 하였음을 알 수 있었다. 현재에는 삼복 결정법에 대한 법적 규정이 없이 "추보첩례(推步妾例)"의 방법이 사용되고 있다.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 2022.05a
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• pp.707-709
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• 2022

Annals of the Joseon Dynasty is a librarian that compiled the history of the Joseon Dynasty for 472 years, from Taejo to Cheoljong. The Annals of the Joseon Dynasty, National Treasure No. 151, are important documented heritages, but they are difficult to analyze due to their vast content. Therefore, rather than analyzing all the contents of the Annals of the Joseon Dynasty, it is necessary to extract and analyze important words. In this paper, we propose a method of extracting words from the main body of the Annals of the Joseon Dynasty through web crawling and analyzing the translated texts of the Annals of the Joseon Dynasty based on the data sorted according to the frequency of words. In this study, only the part of King Sejong of the Annals of the Joseon Dynasty was extracted and the importance was analyzed according to the frequency of words.