• Title/Summary/Keyword: traditional experiments

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Experiments and Assessment on Traditional Korean Medicine Diagnostic Support System (한의 진단 지원 시스템의 시험 수행 및 평가)

  • Cho, Woo-keun;Kim, Myung-ho;Lee, Sang-ah;Jang, Myung-woong;Choi, Dong-jun
    • The Journal of the Society of Stroke on Korean Medicine
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    • v.13 no.1
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    • pp.63-70
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    • 2012
  • Object : Traditional Korean Medicine Diagnostic Support System(TKMDSS) is the diagnostic prescribing system based on ontology developed by Korea Institute of Oriental Medicine. We monitored and assessed its usefulness and searched for improvements. Methods : We collected 10 cases of stroke inpatients of Dongguk University Ilsan Oriental Hospital. They were diagnosed by primary care physician and another researcher who monitored using "TKMDSS" respectively. We compared the process and results of two diagnosis. Results : The diagnostic concordance rate between primary care physician and researcher were pretty high. Most of the problems were caused by expressions on symptoms inappropriate use of terminology. The severity of symptoms and vague symptoms which is hard to be diagnosed should be reflected and measured in this system. Conclusions : The problems were about terminology and definition. The terminology should be defined accurately and in-depth detail so that anyone can get the right information. If the problems were modified, "TKMMSS" could be utilized as supportive measures for oriental medicine doctors and students.

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Text Classification Using Parallel Word-level and Character-level Embeddings in Convolutional Neural Networks

  • Geonu Kim;Jungyeon Jang;Juwon Lee;Kitae Kim;Woonyoung Yeo;Jong Woo Kim
    • Asia pacific journal of information systems
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    • v.29 no.4
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    • pp.771-788
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    • 2019
  • Deep learning techniques such as Convolutional Neural Networks (CNNs) and Recurrent Neural Networks (RNNs) show superior performance in text classification than traditional approaches such as Support Vector Machines (SVMs) and Naïve Bayesian approaches. When using CNNs for text classification tasks, word embedding or character embedding is a step to transform words or characters to fixed size vectors before feeding them into convolutional layers. In this paper, we propose a parallel word-level and character-level embedding approach in CNNs for text classification. The proposed approach can capture word-level and character-level patterns concurrently in CNNs. To show the usefulness of proposed approach, we perform experiments with two English and three Korean text datasets. The experimental results show that character-level embedding works better in Korean and word-level embedding performs well in English. Also the experimental results reveal that the proposed approach provides better performance than traditional CNNs with word-level embedding or character-level embedding in both Korean and English documents. From more detail investigation, we find that the proposed approach tends to perform better when there is relatively small amount of data comparing to the traditional embedding approaches.

Eliminatory Effect of Mixed Extract of Hovenia Dulcis Thunb and Gastrodia Elata on Ethanol-Induced Hangover in Rats (랫드에서 헛개나무와 천마 혼합 추출물의 에탄올 섭취에 의한 숙취 제거 효과)

  • Jeon Tae Won;Lee Eun Sil;Lee Young Sun;Han Ok Kyung;Bae Jae Chil;Kim Kwang Joong;Kim Hyo Jung
    • Journal of Physiology & Pathology in Korean Medicine
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    • v.16 no.5
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    • pp.905-910
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    • 2002
  • To investigate an eliminatory effect of mixed extract of Hovenia dulcis Thunb, Gastrodia elata and Alnus japonica etc., on the ethanol-induced hangover, 12 hr-fasted male Sprague-Dawley rats weighing 220±20 g were given mixed extract (10 mL/kg, p.o.) and administered ethanol at a dose of 3 g/kg bw (25% in distilled water) orally 30 min postdosing. Blood was collected from caudal artery at 0.25, 0.5, 1, 2, 4, 6, 8, 10, and 12 hr and then the animals were sacrificed at 24 hr after the ethanol treatment. From 0 to 12 hr, the administration of mixed extract significantly decreased the area under the serum alcohol concentrations-vs.-time curves by 21 % compared with control group. In these experiments, liver function indices, such as alanine aminotransferase, aspartate aminotransferase and sorbitol dehydrogenase activities, showed unaltered results in all treated groups compared with the normal group. These results suggest that oral intake of the mixed extract may be effective on elimination of ethanol-induced hangover.

Microbial and Enzymatic Properties Related to Brewing of Traditional Ewhaju (전통 이화주의 양조와 관련된 미생물 및 효소적 특성)

  • 김정옥;김종군
    • Korean journal of food and cookery science
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    • v.9 no.4
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    • pp.266-271
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    • 1993
  • In order to investigate the traditional value of Ewhaju (traditional wine) and to establish the brewing condition, studies on of traditional background and field inquiry were carried out. Scientific evaluation and possibility of revealation of Ewhaju were searched by the experiments of microbial and enzymatic properties of brewed Ewhaju and Nuruk by traditional method. In flora of microorganisms in Nuruk of Ewhaju, Aspergillus oryzae and Hansenula sP. were isolated, and, showed a level of 1.2$\times$$10^6$ CHU/g, respectiveln but other microorganisms were not grown in diluted cultivation test. The a-and f-amylase activity of Nuruk were 30.74 and 34.4, respectively and their activities of two amylases were 19.28 and 18.8 at first stage of brewing, 21.21 and 19.80 at 100 day after brewing, and 20.25 and 19.90 at one year aged Ewhaju, respectively. The brewed Ewhaju could be remained with high quality long period without teat treatment or addition of preservatives, also, stored Ewhaju contains remarka-bly high activity of amylases which might contribute to digestion.

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Analysis of Color and Color Differences of Dyed Articles According to the Traditional Techniques of Dyeing Buddhist Priests' Robes (재래 묵염방법에 따른 피염물의 색상과 색차 분석)

  • Kim, Chong-Tai;Hwang, Choon-Sup;Park, Mee-Gee
    • Journal of the Korean Society of Costume
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    • v.60 no.2
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    • pp.68-80
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    • 2010
  • In order to get the information needed for the preservation and application of Korean traditional dyeing techniques to modern textiles products, the present study analyzed the color and color differences of dyed goods according to the contents of fabrics and the traditional techniques of dyeing the Buddhist priests' robes. A spectrophotometer was used to measure the differences in achromatic color according to dyeing techniques, dyestuff, kinds of dyed fabrics, and after-treatment methods. Through experiments based on the traditional dyeing techniques used by Korean Buddhist priests, a total of 144 pieces of dyed fabrics were made and all the colors of those 144 pieces were analyzed. Among three dyeing techniques tested; (1) dyeing with a dye-bath made of ink stick that was ground down with water, (2) dyeing with a dye-bath made by shaking a bag containing ink powder in water, and (3) dyeing with a dye-bath made by rubbing a boiled ink stick on a fabric, dyeing with a dye-bath made of ink stick that was ground down with water was shown to be the best technique in terms of coloring. For fabrics, ramie was the best of all three techniques in terms of making achromatic color. Starching and rubbing was the most effective after-treatment method used on both fabrics dyed with a grounded ink stick and on fabrics dyed by rubbing a boiled ink stick on them. As a whole, yangyeonmook, made from minerals' soot, is better than songyeonmook, which is made by burning old pine trees or yooyeonmook, which is made by burning oils from seeds. Therefore, yangyeonmook could help to preserve and utilize the traditional dyeing techniques of Korea in a practical way in modern life.

Material Characteristics of Traditional Bricks used in the Royal Tomb of King Muryeong, Gongju, Korea and Its Reproduction Bricks (무령왕릉에 사용된 전돌과 재현 전돌의 재료학적 특성)

  • Kwon, Yang Hee;Hong, Sung Gul
    • Journal of Conservation Science
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    • v.30 no.3
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    • pp.287-298
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    • 2014
  • This study investigates the material properties of the traditional bricks used in the royal tomb of King Muryeong. Compressive strengths, thermal conductivities, absorptance and the rate of residual moisture are measured by non-destructive experiments. Compressive strength of the traditional bricks is estimated by using the ultrasonic wave velocity and the absorptance. Based on the experimental results, the predicted compressive strengths using the ultrasonic wave velocity are unsuitable for the traditional bricks due to the rough surface and thickness variation of the specimens. The strengths using the absorptance are more suitable than those using the velocity because the predicted average strengths (28.69 MPa ~ 33.19 MPa) are close to building materials like normal strength concrete. In addition, the methods using the absorptance are not influenced by surface and thickness conditions of the specimens. The average thermal conductivities of the bricks measured by using Mathis TCi are close to those of soils (1.58 W/mK). The absorptance and the rate of residual moisture of the bricks are 1.6 % ~ 15 %, 0 % ~ 0.7 %, respectively.

A Study on Emotions in the Street Space through Visual Sequence - Focusing on Comparision of Traditional Streets and Modern Streets - (시각적 연속성을 통한 가로공간에서의 감성 연구 - 전통가로와 근대가로의 비교를 중심으로 -)

  • Lee, Jeong-Moon;Oh, Young-Keun
    • Korean Institute of Interior Design Journal
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    • v.21 no.5
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    • pp.181-188
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    • 2012
  • Body movements of humans have emotions and these movements have meanings of 'Living Spirits' and 'Emotions'. Also emotions of humans indicate all body movements which are made within the environment. This study aims at providing new potentials to emotional design research methods not only by understanding the characteristics of visual perception according to body movements and but by investigating correlations between sequence which arise by the visual perception and emotions through experiments. As for the scope and method of this study, the emotional space designs were analyzed through the emotional theory study, SD method was used to evaluate emotions and the movements in the modern village and traditional village with similar elements were compared and analyzed for the empirical study. As a result, first it was confirmed waling hours in the traditional village took more than the modern village and it is thought movements of humans are affected by the visual environments. Second, it was confirmed values of the emotional evaluation were higher in the traditional village than the modern village. Third, according to a result of the correlation analysis between space sequence and emotions, it was closed with negative emotions such as 'Closed', and 'Complicated' from positive emotional words such as 'Natural'. 'Open', 'Curious', etc. as spaces are experienced more through movements in the modern village. On the contrary, the emotional intensity of the positive words such as 'In Harmony', 'Beautiful' and 'Warn' through movements in the traditional village increased as spaces were experienced more. As a result of this study, it was confirmed the time, space and emotions have correlations each other.

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Interactive Technology Education at Pusan National University

  • Park, Sang-Joo;Yoon, Joong-Sun
    • 제어로봇시스템학회:학술대회논문집
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    • 2004.08a
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    • pp.1195-1200
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    • 2004
  • We introduce an introductory engineering education course for engineering majors and non-engineering majors. This course does not require any previous knowledge and experience on engineering. It requires strong curiosities and imaginations on current and future society we live in, where technology is inseparable ingredient. Course encourages attendees to explore fundamental issues of engineering: what is proper technology and what are proper ways of exercising engineering, issues dealt in soft engineering. Since course topics cover many aspects of technology, traditional learning methods fail to be successful and efficient. Various efficient learning methods have been proposed and implemented. We utilize various interactive tangible media, which include simulated thought experiments and physical media experiences. About 20 episodes in short film format are produced based on scenario written according to related issues selected. Physical media like interactive robots are introduced for attendees' stimulated experiences. We summarize our exciting experiments on interactive teaching experiences at Pusan National University which include on/off-line interactions, assignments, projects, and evaluations.

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User-Created Content Recommendation Using Tag Information and Content Metadata

  • Rhie, Byung-Woon;Kim, Jong-Woo;Lee, Hong-Joo
    • Management Science and Financial Engineering
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    • v.16 no.2
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    • pp.29-38
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    • 2010
  • As the Internet is more embedded in people's lives, Internet users draw on new Internet applications to express themselves through "user-created content (UCC)." In addition, there is a noticeable shift from text-centered contents mainly posted on bulletin boards to multimedia contents such as images and videos on UCC web sites. The changes require different way of recommendations comparing to traditional products or contents recommendation on the Internet. This paper aims to design UCC recommendation methods with user behavior data and contents metadata such as tags and titles, and compare performances of the suggested methods. Real web logs data of a major Korean video UCC site was used to empirical experiments. The results of the experiments show that collaborative filtering technique based on similarity of UCC customers' preferences performs better than other content-based recommendation methods based on tag information and content metadata.

Polyethylene flow prediction with a differential multi-mode Pom-Pom model

  • Rutgers, R.P.G.;Clemeur, N.;Debbaut, B.
    • Korea-Australia Rheology Journal
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    • v.14 no.1
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    • pp.25-32
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    • 2002
  • We report the first steps of a collaborative project between the University of Queensland, Polyflow, Michelin, SK Chemicals, and RMIT University, on simulation, validation and application of a recently introduced constitutive model designed to describe branched polymers. Whereas much progress has been made on predicting the complex flow behaviour of many - in particular linear - polymers, it sometimes appears difficult to predict simultaneously shear thinning and extensional strain hardening behaviour using traditional constitutive models. Recently a new viscoelastic model based on molecular topology, was proposed by McLeish and carson (1998). We explore the predictive power of a differential multi-mode version of the porn-pom model for the flow behaviour of two commercial polymer melts: a (long-chain branched) low-density polyethylene (LDPE) and a (linear) high-density polyethylene (HDPE). The model responses are compared to elongational recovery experiments published by Langouche and Debbaut (19c99), and start-up of simple shear flow, stress relaxation after simple and reverse step strain experiments carried out in our laboratory.