• Proceedings of the Korea Information Processing Society Conference
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• 2011.11a
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• pp.1043-1046
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• 2011

건강에 대한 예방과 관리를 반영한 것이 대체의학이다. 대체의학 중에 이침(耳針)요법은 부작용이 적은 방법으로 널리 사용되고 있다. 이침요법은 간단한 교육과정을 거친 후 자가 진단을 통해 응급처치가 가능한 것으로 실생활에서 손쉽게 이용되고 있다. 따라서 본 논문에서는 심장에 해당하는 이(耳)혈 상응점을 자극하여 심장과 관련된 음성 요소의 변화를 측정하였다. 이를 위해 심장에 해당하는 이(耳)혈 상응점을 자극하기 전과 후의 음성을 수집하여 음성 분석 요소 중 Jitter와 2Formant Frequency Bandswidth을 적용하여 단위 시간안의 발음에서 성대 진동의 변화율과 공명강의 변화를 통해 심장과 음성의 상관성을 분석하는 연구를 수행하였다.

• Proceedings of the Korea Information Processing Society Conference
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• 2011.11a
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• pp.1039-1042
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• 2011

토마토는 주위에서 흔하게 접할 수 있는 채소 중 하나이며 여러 음식의 재료로 사용된다. 토마토는 활성 산소의 생성을 억제하고 항암 효과가 좋으며, 콜레스테롤 수치를 낮추어 주어 혈관을 강화해 준다. 또한, 인체 장기 중 심장은 혈액을 순환시키는 원동력이며 순환계의 중추 역할을 한다. 따라서 본 논문에서는 대체 및 예방의학에 이용되는 중요한 요소 중 하나인 음성을 이용하여 토마토를 섭취하였을 때 음성 분석 요소인 Jitter와 2Formants Bandswidth의 변화를 분석하였다.

• Proceedings of the Korea Information Processing Society Conference
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• 2011.11a
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• pp.1051-1054
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• 2011

사람의 신체 중 손, 발, 얼굴 부위는 오장육부와 관련이 있다. 이 중 발은 '제2의 심장'이라고까지 불러지고 있다. 이러한 내용은 발의 건강이 인체의 건강을 유지할 수 있고 혈액순환에도 중요하다는 의미도 있다. 본 논문에서는 발 지압점에서도 신장과 관련된 지압점이 있다는 내용을 기반으로 발 지압을 통한 얼굴의 색상 수치 변화를 분석하였다. 특히, 얼굴 부위 중 신장을 나타내는 지각 부위의 Lab 색체계에서 L값과 CMYK 색체계에서 K값의 변화를 분석하였다. 결론적으로 신장 발지압 자극에 따른 지각 부위의 색상 변화를 통한 지압의 효과성을 객관적으로 입증하는 실험을 수행하였다.

• The Journal of the Korea Contents Association
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• v.21 no.9
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• pp.198-208
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• 2021

ArangoDB is a NoSQL database system that has been popularly utilized in many applications for storing large amounts of data. In order to apply a new NoSQL database system such as ArangoDB, to real work environments we need a benchmarking system that can evaluate its performance. In this paper, we design and implement a ArangoDB based benchmarking system that measures a kernel level performance well as an application level performance. We partially modify YCSB to measure the performance of a NoSQL database system in the cluster environment. We also define three real-world workload types by analyzing the existing materials. We prove the feasibility of the proposed system through the benchmarking of three workload types. We derive available workloads in ArangoDB and show that performance at the kernel layer as well as the application layer can be visualized through benchmarking of three workload types. It is expected that applicability and risk reviews will be possible through benchmarking of this system in environments that need to transfer data from the existing database engine to ArangoDB.

• Proceedings of the Korea Contents Association Conference
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• 2019.05a
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• pp.451-452
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• 2019

논문 검색 서비스 응용에서는 공저자, 출판 정보 등을 표현하기 위해서 다양한 정점 레이블 (논문,저자) 및 간선 정보(주저자, 공저자)를 이용하여 그래프로 표현한다. 이와 함께 다양한 간선 특징 정보를 질의로 입력하는 연속 서브 그래프 매칭에 대한 요구가 존재한다. 본 논문에서는 간선의 다양한 특성을 지원하고 색인의 부하를 감소시킨 연속 서브 그래프 매칭 기법을 제안한다. 제안하는 기법은 거리 값과 질의 연관 정보만을 관리하여 간선의 다양한 특성을 지원하는 효율적인 서브 그래프 매칭을 수행한다.

• The Korean Journal of Food And Nutrition
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• v.32 no.2
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• pp.98-105
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• 2019

In this study, bread was prepared using various amount of 'Fuji' apple juice, and quality and antioxidant properties investigated. Bread was prepared with water, butter, yeast, salt, sugar, wheat flour, skim milk powder and 10, 20 and 30% (w/w) 'Fuji' apple juice. Leavening ability and pH of dough were also investigated. Volume, pH, specific volume, baking-loss rate, chromaticity and texture were investigated as quality properties, whereas the total polyphenol content, ABTS and DPPH radical scavenging activity as the antioxidant properties of bread containing various amount of apple juice. The pH and leavening ability of dough were observed to decrease with increasing amount of apple juice. In the quality properties of bread, pH, volume, specific volume, and baking-loss rate decreased. Regarding chromaticity and texture of bread prepared with increasing amount of 'Fuji' apple juice, L (bright) values at crust and crumb of bread decreased, while hardness, chewiness and gumminess increased. Total polyphenol content increased with increasing amount of apple juice, while DPPH and ABTS radical scavenging activities showed no significant differences. Consequently, these results support the possible use of apple juice for baking foods in food industry, as addition of apple juice enhances the quality and antioxidant properties of bread.

• Korean Journal of Medicinal Crop Science
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• v.27 no.3
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• pp.208-217
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• 2019

Background: In the present study, we identified two cytotoxic compounds from the root of Rumex crispus L. using a bioassay-based method. Methods and Results: Compared with the other fractions, the diethyl ether ($Et_2O$) fraction of R. crispus root extract exhibited the strongest of 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical-scavenging effect [scavenging concentration 50% $(SC_{50})=63.8{\pm}1.47{\mu}g/m{\ell}$], nitric oxide (NO) production inhibitory effect on the mouse macrophage cell line RAW264.7 [inhibitory concentration 50% $(IC_{50})=60.9{\pm}7.52{\mu}g/m{\ell}$] and cytotoxicity effect on the human hepatoma cell line, HepG2 [lethal concentration 50% $(LC_{50})=115.4{\pm}1.86{\mu}g/m{\ell}$]. According to the bioassay-based method, two cytotoxic compounds were purified from the $Et_2O$ fraction by using column chromatography and preparative high performance liquid chromatography (prep-HPLC). These two compounds were identified as parietin and chrysophanol by using nuclear magnetic resonance (NMR) and liquid chromatography quadruple time of flight mass spectrometry (LC-QTOF-MS). In addition, both parietin and chrysophanol exhibited a cytotoxicity effect on HepG2 cells, their $LC_{50}$ values were $169.1{\pm}17.67{\mu}M$ and $111.5{\pm}6.62{\mu}M$, respectively. Conclusions: Parietin and chrysophanol isolated from the $Et_2O$ fraction of the R. crispus root extract showed cytotoxicity in HepG2 cell.

• Journal of Mushroom
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• v.18 no.4
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• pp.323-330
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• 2020

Agaricus bisporus is an important edible mushroom that is used as a functional food. In this study, European A. bisporus strains were analyzed for genetic diversity, population structure, and genetic differentiation using simple sequence repeat (SSR) markers. European A. bisporus strains were divided into four groups by distance-based analysis and two subpopulations by model-based analysis. The SSR markers used in this study did not group European A. bisporus strains by geographical region or pileus color. Genetic diversity was high in Group 4 based on distance-based analysis and Pop. 2 based on model-based analysis. A. bisporus strains showed very low genetic differentiation. The results of this study can be used for breeding A. bisporus in the future.

• The Journal of the Korea Contents Association
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• v.21 no.8
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• pp.367-375
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• 2021

The quality of medical care can be defined as four types such as effectiveness, efficiency, adequacy, and scientific-technical quality. For the management of scientific-technical aspects, medical institutions annually disseminate the latest knowledge in the form of conservative education. However, there is an obvious limit to the fact that the latest knowledge is distributed quickly enough to the clinical site with only one-time conservative education. If intelligent information processing technologies such as big data and artificial intelligence are applied to the medical field, they can overcome the limitations of having to conduct research with only a small amount of information. In this paper, we construct databases on which the existing medicine prescription adaptations can be extended. To do this, we collect, store, manage, and analyze information related to oriental medicine at domestic and abroad Journals. We design a processing and analysis technique for oriental medicine evidence research data for the construction of a database of oriental medicine prescription extended adaption. Results can be used as a basic content of evidence-based medicine prescription information in the oriental medicine-related decision support services.

• Journal of the KSME
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• v.57 no.7
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• pp.35-39
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• 2017

이 글에서는 충북대학교 스마트카 연구센터의 설립 목적, 연구 방향, 현재 진행 중인 연구과제와 연구 환경 등에 대해 소개하고자 한다.