• Proceedings of the Korean Information Science Society Conference
• /
• 2002.10c
• /
• pp.70-72
• /
• 2002

본 논문에서는 분산된 XML 문서를 수집 처리하여 상호 제공하는 과정에서 활용될 통합된 XML 문서의 전역 스키마를 생성하는 시스템을 제안한다. 제안된 시스템에서는 분산 환경에 존재하는 개별적인 XML 문서들에 대한 지역 스키마 정보를 관계형 데이터베이스로 구축하고, 통합된 XML 문서의 데이터를 기반으로 각각의 지역 스키마 데이터베이스를 검색한 후 데이터에 적합한 스키마 정의를 추출하게 된다. 또한 추출과정에서 중복 정의에 의한 충돌 범주를 분석하고, 이를 해결하는 방법도 제시하였다. 시스템 모델링 결과 XML 문서의 구조와 검증을 명확하게 보장하는 통합된 XHL 문서의 전역 스키마 생성과 지역 스키마간 발생되는 충돌문제 해결이 가능함을 알 수 있었다.

• The Magazine of the Society of Air-Conditioning and Refrigerating Engineers of Korea
• /
• v.16 no.4
• /
• pp.375-382
• /
• 1987

Accurate solar radiation data are fundamental to the design of HVAC systems and solar driven devices. Unfortunately, the total radiation data on a horizontal surface has been only reported by meteorological office. Consequently, there is interest in development of model to estimate the solar radiation data. Based on the statistically estimated TAC data which were obtained from measured hourly values collected over a period of ten years at Seoul, the solar radiation model was determined. Atmospheric transmittance for this model was presented in the form of polynominal.

• Journal of architectural history
• /
• v.27 no.2
• /
• pp.125-138
• /
• 2018

During the 1950s, the North Koreans rebuilt their capital-Pyongyang-as a modern city under the principle of Soviet urban design. One North Korean architect, Kim Jung-hee, has been widely credited since the late 1980s as the master architect of the General Plan of the city's reconstruction. While Kim Jung-hee played a crucial role in its reconstruction, his heroic image as the founding architect of Pyongyang is considerably attributed to North Korea's mythical narratives rather than his historical activities. This paper argues that Pyongyang's postwar urban design was not a work made by a single actor, Kim Jung-hee; rather, it was a long-term collaborative project in which a team of North Korean architects and Soviet technical advisors took their respective roles. Beginning in the late 1980s, North Korea, which had been struggling with economic decline and an increasing sense of lagging behind in its rivalry with its Southern counterpart, used heroic narratives during the 1950s' postwar reconstruction period as an important propaganda tool for their regime. In this mythical narrative of Pyongyang's reconstruction, massive economic and technical aid from other communist countries has often disappeared, and the memory of the architects who contributed greatly to the reconstruction but later purged in North Korea have also completely vanished. Kim Jung-hee, meanwhile, remained in this epic as the founding architect who rebuilt the city in faithful accordance with the leadership of Kim Il Sung.

• Journal of Convergence for Information Technology
• /
• v.9 no.11
• /
• pp.110-117
• /
• 2019

This study attempted to publicize the excellence of art of seal engraving in the Joseon Dynasty by analyzing the fusion factors of seal 'Wandangyego' which Oh Gyuil engraved. The appearance of Wandangyego was compared with other seals. The calligraphy philosophy in Wandangyego, the composition of inmun Wan-Dang-Ye-Go, and Oh Gyuil's method of holding graver were analyzed. As a result, Wandangyego was the world's largest rectangular seal and contained the writing philosophy of his teacher Kim Junghee. Oh Gyuil was a seal engraving artist and expert in the manufacture of seal handles. He used 'chungdo' and 'jeoldo' appropriately, and stimulated the deliberate emotion of oriental art with layout applied with exquisite oriental golden ratio. The importance of the real seal was suggested, and it was proved that the seal Wandangyego was a prominent work worldwide. The results of this study are expected to be a new research methodology for analyzing the fusion factors in painting, sculpture and design.

• Bangmulgwan gwa yeongu (The National Museum of Korea Journal)
• /
• v.1
• /
• pp.234-257
• /
• 2024

Great Dharani Sutra of Undefiled Pure Light (Gwi) (LKH 10703) donated by the family of the late Lee Kun-Hee to the National Museum of Korea in 2021 is a calligraphy album consisting of sixty-two leaves compiled using butterfly binding. It contains Great Dharani Sutra of Undefiled Pure Light, "Record of the Production of Mugujeong Pagoda by the Order of King Munseong," a postscript by Kim Jeonghui, and an appreciation record by Oh Sechang. This paper has revealed that this album is identical to the material that Suematsu Yasukazu introduced in Volume 15 of the journal Cheonggu hakchong in 1934 and that it includes elaborate copies of Great Dharani Sutra of Undefiled Pure Light and "Record of the Production of Mugujeong Pagoda by the Order of King Munseong" on yellow Chinese paper, both of which were excavated from inside the Mugujeong Pagoda at Changnimsa Temple in Gyeongju in 1824. It has also reconfirmed that it is highly probable that the Great Dharani Sutra of Undefiled Pure Light that Jo Byeongsun, the former director of the Seongam Old Books Museum, unveiled in 1998, is a transcription of the original sutra excavated from Mugujeong Pagoda at Changnimsa Temple in Gyeongju. Moreover, it has concluded that the Great Dharani Sutra of Undefiled Pure Light owned by Park Cheolsang is likely to be another example of copying the transcription of the original sutra excavated from the Mugujeong Pagoda at Changnimsa Temple in Gyeongju. In the album of copies donated by the estate of Lee KunHee, six of the Chinese characters promulgated by Empress Wu were used fifteen times in total. Four of the characters of Empress Wu were utilized ten times in the Great Dharani Sutra of Undefiled Pure Light (national treasure, Bulguksa Temple collection) found among the reliquaries from the Three-story Stone Pagoda at Bulguksa Temple in Gyeongju and were also seen in the album of copies donated by the estate of Lee Kun-Hee. The use of the same characters of Empress Wu and other variant characters suggests that both the album of copies donated by the estate of Lee Kun-Hee and the Bulguksa sutra were based on an edition distributed in the Unified Silla Period during the eighth century. Kim Jeonghui confirmed the exchange of calligraphy between Korea and China through studies on bronze and stone epigraphs. He believed that the Great Dharani Sutra of Undefiled Pure Light and "Record of the Production of Mugujeong Pagoda by the Order of King Munseong" excavated from Mugujeong Pagoda at Changnimsa Temple were authentic materials showing the elegant calligraphic styles that prevailed before the Ouyang Xun style. Thus, the album of copies donated by the estate of Lee Kun-Hee holds great historical and artistic significance in that it is a rare example of Kim Jeonghui's evidential study of a transcribed sutra and an original record of the production of a pagoda from the Unified Silla period.

• Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
• /
• 2003.10a
• /
• pp.199-204
• /
• 2003

Digital high resolution cameras are widely available, and are increasingly use in digital close-range photogrammetry. And photogrammetry instruments are developing rapidly and the precision is improving continuously, The building of 3D terrains of high precision are possible and the calculation of the areas or the earthwork volumes have high precision due to the development of the technique of the spatial information system using computer, In this study, using the digital camera which has capacity of keeping numerical value by itself and easy carrying, we analyze the positioning error according to various change of photographing condition. Also we t]v to find a effective method of acquiring basis data for 3D monitoring of high-accuracy in pixel degree through digital close-range photogrammetry with bundle adjustment for local terrain model generation and earthwork volume.

• Proceedings of the Korean Society of Surveying, Geodesy, Photogrammetry, and Cartography Conference
• /
• 2004.04a
• /
• pp.39-44
• /
• 2004

In this thesis, two test flights were conducted in Gwacheon and Suwon area to evaluate the performance of accuracy and efficiency through the analysis of results among the three photogrammetric methods, that is, traditional photogrammetry, GPS -Photogrammetry and GPS/INS-Photogrammetry. Test results shows that a large variety of advantages of GPS-Photogrammetry and GPS/INS-Photogrammetry against traditional photogrammetry is to be verified. Especially, the number of ground control points for the exterior orientation could be saved more than 70-80%, and the cost for map production 30-50%, respectively. In addition, it was convinced that the large reduction of control points has not any effect on the block accuracy. It was also proved that the number of required ground control points for GPS/INS-Photogrammetry, is similar to that of GPS-Photogrammetry. Therefore it should be noted that GPS -Photogrammetry is more efficient in the aspect of reduction of mapping cost against GPS/INS-Photogrammetry, installing only an existing GPS receiver on survey aircraft to avoid high economic burden of procurement for integrated GPS/INS equipment.

• Proceedings of the KIEE Conference
• /
• 2001.11a
• /
• pp.165-167
• /
• 2001

Emitter injection efficiency of p+/n-buffer Junction with Gaussian impurity distribution is presented. This model takes into account the variation of the carrier lifetime with injection level which allows a unified interpretation of the injection efficiency for all injection level. The injected carrier density and injection efficiency of the anode are calculated as a function of the current density with the low level lifetime as a parameter for different thicknesses of the anode. The analytical results agree well with simulation.

• English Language & Literature Teaching
• /
• v.9 no.2
• /
• pp.133-149
• /
• 2003

As the world becomes a global village, national conferences become more frequent, and the language of choice to mediate the exchange of information is English. Accordingly, the purpose of this research is to find several methods to prepare L2 students for English communication at conferences. Various studies about discourse markers can be found in this study. Discourse markers are indicators of fluency in spoken language, and indicators of improvement from features of spoken English to more typical forms of formal writing. In this study the presentation styles of native speakers and Asian non-native speakers are compared, and the difference between efficient and non-efficient speakers at conferences are discussed. As a study of conference English teaching and learning method, this research targets suggestion and application of discourse markers for L2 speakers. As a result, the fact that discourse markers are very important in effective writing and conference English is found and accordingly we can see that developing the ability to use discourse markers in writing and speaking are essential for L2 speakers.

• Proceedings of the Korean Association of Geographic Inforamtion Studies Conference
• /
• 1997.12a
• /
• pp.35-50
• /
• 1997

In geodesy, a calculation of the meridian length is a basic thing. Its principle is very simple, but no exact closed formula exists and its expression has rather long terms. In Korea, the formula has been seemingly adapted from those of Japan which also use the Bessel ellipsoid as a reference. However, a formula from a noticeable reference of Japan is found to have wrong coefficient values. In this study, a formula for the meridian length with correct coefficient values is suggested and the results on different computing bases are also shown. This formula has terms simpler than the one in the Korean Surveying Act (Law) which has the same coefficients in that Japanese reference.