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An Analysis of IT Proposal Evaluation Results using Big Data-based Opinion Mining (빅데이터 분석 기반의 오피니언 마이닝을 이용한 정보화 사업 평가 분석)

  • Kim, Hong Sam;Kim, Chong Su
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.41 no.1
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    • pp.1-10
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    • 2018
  • Current evaluation practices for IT projects suffer from several problems, which include the difficulty of self-explanation for the evaluation results and the improperly scaled scoring system. This study aims to develop a methodology of opinion mining to extract key factors for the causal relationship analysis and to assess the feasibility of quantifying evaluation scores from text comments using opinion mining based on big data analysis. The research has been performed on the domain of publicly procured IT proposal evaluations, which are managed by the National Procurement Service. Around 10,000 sets of comments and evaluation scores have been gathered, most of which are in the form of digital data but some in paper documents. Thus, more refined form of text has been prepared using various tools. From them, keywords for factors and polarity indicators have been extracted, and experts on this domain have selected some of them as the key factors and indicators. Also, those keywords have been grouped into into dimensions. Causal relationship between keyword or dimension factors and evaluation scores were analyzed based on the two research models-a keyword-based model and a dimension-based model, using the correlation analysis and the regression analysis. The results show that keyword factors such as planning, strategy, technology and PM mostly affects the evaluation result and that the keywords are more appropriate forms of factors for causal relationship analysis than the dimensions. Also, it can be asserted from the analysis that evaluation scores can be composed or calculated from the unstructured text comments using opinion mining, when a comprehensive dictionary of polarity for Korean language can be provided. This study may contribute to the area of big data-based evaluation methodology and opinion mining for IT proposal evaluation, leading to a more reliable and effective IT proposal evaluation method.

Antiemetic Effect of Dexamethasone in Dogs Sedated with Medetomidine (Medetomidine으로 진정시킨 개에서의 Dexamethaxone의 항구토 효과)

  • Kang, Han-Sem;Jang, Hwan-Soo;Kwon, Young-Sam;Jang, Kwang-Ho
    • Journal of Veterinary Clinics
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    • v.26 no.6
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    • pp.534-538
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    • 2009
  • Antiemetic effect of dexamethasone in dogs sedated with medetomidine was evaluated. On the day of experiment, five minutes prior to medetomidine ($40\;{\mu}g$/kg, IM) injection, dexamethasone was administered intravenously at the doses of 0.25, 0.5 and 1.0 mg/kg. Control group was received at 0.1 ml/kg of saline instead of dexamethasone. The dose of 0.5 and 1.0 mg/kg of dexamethasone significantly reduced emetic episode. The degree of sedation determined by visual sedation scoring was not influenced by dexamethasone pretreatments. In addition, the values of complete blood counts and blood chemistry did not show significant changes and were within normal ranges before and the day after experiment. These results show that the doses of 0.5 and 1.0 mg/kg of dexamethasone are useful and safe method to prevent emetic episode inducing by medetomidine in dogs, without evidence of any clinically relevant influences.

Aggravating and Mitigating Patient Factors Affecting Mild to Moderate Atopic Dermatitis (중등도 이하 아토피 피부염에 영향을 미치는 환자 요인)

  • Kang, Dong-Won;Kim, Yoon-Bum
    • The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology
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    • v.33 no.4
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    • pp.1-15
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    • 2020
  • Objectives : To investigate aggravating and mitigating factors of atopic dermatitis and to utilize the outcome in treatment planning. Methods : The research has a cross-sectional study design. Patients' SCORing Atopic Dermatitis (SCORAD) Index, demographic, physical characteristics, social history, serologic index and skin related instrumental measurements were analyzed with correlation and regression analysis method. Results : 48 patients in total were enrolled in the study. Skin Surface Hydration (SSH) and sex were found to be statistically significant aggravating and mitigating factors. As SSH increased, Total SCORAD (tSCORAD) and Objective SCORAD (oSCORAD) increased as well. As SSH decreased, tSCORAD and oSCORAD decreased as well. Female patient had a higher probability of suffering from severer subjective symptoms than that of male. Age, body mass index (BMI), alcohol consumption and smoking, transepidermal water loss (TEWL), IgE, IL-4, IL-5, IL-6, IFN-γ were found not to be statistically significant. There was no correlation between Subjective SCORAD (sSCORAD) and oSCORAD neither with Eczema Area and Severity Index (EASI). Conclusions : Increasing cutaneous moisture should be included in the treatment plan of atopic dermatitis. More emphasis should be put on alleviating subjective discomforts of female patients than that of male. Establishing separate strategies of managing objective eczema status and subjective discomforts respectively should be considered.

Open reduction of mandibular fracture without maxillomandibular fixation: retrospective study (악간고정 없는 하악골 골절의 관혈적 정복술: 후향적 연구)

  • Lee, Chung-Hyun;Kim, Chul-Hwan
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.37 no.4
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    • pp.255-263
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    • 2011
  • Introduction: Maxillomandibular fixation (MMF) is essential before surgery under general anesthesia in maxillofacial trauma patients. MMF is used basically to reconstruct the occlusion and occlusal stability to recover the facial shape and oral functions. The arch bar and wire is a traditional method for MMF, but it can not only bring pressure to the periodontal ligaments and teeth but also cause a penetrating injury to the surgeons. Materials and Methods: In this study, 198 patients with an open reduction using a manual reduction without MMF from September 2005 to May 2010 in Dankook University Dental Hospital were subjected to a follow-up evaluation during the postoperative 4 months periods. This study evaluated the incidence of complications according to the condition of the patient (gender, age), the state of bony union of the fracture sites and a numeric rating scale evaluation for postoperative pain scoring. Results: 1. The complications were classified into major and minor according to the seriousness, and the major complication rate was as low as 2.02%. Only 2 cases of re-operations (1.01%) were encountered. In the classification according to the fracture line, plate fracture was observed in both cases of mandibular symphysis fracture, and angle fractures and loosening of two screws were noted in the case of mandibular angle fracture. 2. The complication rate was similar regardless of gender and age. 3. The degree of bony union was satisfactory, and the complication rate was reduced as the bony union improved. 4. More patients complained of pain as the operation time was increased. Conclusion: The use of MMF is not always necessary if a skilled assistant is provided to help manually reduce the fracture site. Compared to other studies of mandibular fracture surgery using MMF, the complication rate was similar using only manual reduction and the patients' discomfort was reduced without MMF.

An Analysis on Clinical Education of Pediatric Nursing (아동간호학 임상실습교육 현황)

  • Kwon In-Soo
    • Child Health Nursing Research
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    • v.8 no.3
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    • pp.344-356
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    • 2002
  • This study was conducted to analyse the current clinical education of pediatric nursing in baccalaurate nursing program, then to give basic data for enhancing the quality of future clinical education of pediatric nursing. Data were collected through self-reported questionnaire by mail from December 2001 to February 2002. The subjects were 29 schools of 50 baccalaurate nursing education programs. The data were analysed by double raters, researcher and assistant researcher. The results were summarized as follows: 1. Twenty-eight schools had the objectives of the clinical education of pediatric nursing, and 28 schools in pediatric ward, 23 schools in nursery, 22 schools in neonatal intensive care unit(NICU), 15 schools in objectives related to profession by clinical site. 2. Credits on clinical education of pediatric nursing were most 15 schools of 3 credits. 3. The clinical sites were mainly the hospital that sick children were admitted in. 4. The clinical teacher were 9 types including pediatric professor and field nurse. 5. On teacher's role, the professor instructed the case study and conference, and field nurse instructed the patient assignment and nursing procedures. 6. All of schools used explanation and conference as a method of clinical education, 1 or 2 schools used PBL or role play or field study. 7. On clinical education content, most of school included Apgar scoring system, physical examination in newborn assessment, respira- tion maintenance, temperature maintenance, infection prevention, nutrition, and bath in newborn care. 8. On clinical education content, most of school included care of incubator, phototheraty, infusion, gavage feeding and how to use the instruments in NICU. Eighteen schools included attachment promotion, and 20 schools case study. 9. On clinical education content, most of school included a checklist of nursing procedures, case study, assessment of growth and development in pediatric ward and other sites. 10.There were various evaluation types in scores, measuring items. In conclusion, the results of this study revealed that there were some discrepancy in the objectives and contents, clinical sites on hospital focused, teacher's role, and diversity of measurement items and ratings in clinical education of pediatric nursing. There is a need for a standardization of content, clinical site, and evaluation tool to improve a quality of clinical education of pediatric nursing based on this study.

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The Needs on the Drug Free Education in Adolescents (청소년의 약물남용 예방교육 요구도 조사)

  • Jung Hyang-Mi;Lee Hwa-Za;Kim Young-Hae
    • Child Health Nursing Research
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    • v.9 no.1
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    • pp.57-65
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    • 2003
  • Purpose: This study was intended to present basic data of a more effective drug free education program by examining and analyzing the needs of drug and health education in the adolescent. Method: The study subjects were 480 students from six high schools in Pusan. The data were collected by a self-administered questionnaire between June 1 and June 10, 1999. Descriptive statistics, t-test, one-way ANOVA, Scheffe test in SPSS program were used for data analysis. Result: The scoring rate of knowledge for drug abuse of the subjects was 26.8%. For the scores of knowledge according to the type of drug, cigarettes were the highest at 38.4%, and for the scores of knowledge according to items, the abuse part was 59%, also the highest. The needs of drugs and drug education for the subjects had an average of 19.59. For the score of needs according to the items, plans to maintain and improve health was 1.72, the highest, methods to control anger and stress was 1.66, toxicity of drugs was 1.51, and medicinal use of drugs was 1.44. For the characteristics of the subject and characteristics relating to drugs, and the comparison of needs of drug education, consisted of students who said they liked or disliked their school life, those who have had drug education at school, who having received drug education by various kinds of materials, all had high needs for the education. Conclusion: It is necessary that drug free education plans including plans to maintain and improve health on the basis of the needs of drug education for the adolescent and other contents such as the methods to control anger and stress are established. Development of various kinds of audio-visual materials, publicity booklets and educational programs for parents etc. are needed in order to make the adolescent have an interest in drug free education, and recognize its importance.

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A Study on the Development of Diagnostic Model for Promotion of Management Innovation of Medium Enterprises (중견기업 경영혁신 촉진을 위한 진단모델 개발에 관한 연구)

  • Lee, Joon-Ho;Park, Kwang-Ho
    • Journal of Korean Society of Industrial and Systems Engineering
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    • v.36 no.3
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    • pp.109-117
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    • 2013
  • This study designed a "Diagnostic Model for Management Innovation of Medium Enterprises" based on the theoretical background of success factor and management diagnosis model for management innovation of medium enterprises and suggested a measure for utilization of strategic subject and diagnostic model that enterprises can apply. Utilization of medium enterprises management innovation diagnostic model designed through this study would be of help for making a diagnosis of the capability maturity level of enterprises' current management system and improving it by establishing a challenging capability objective and building a circulation system capable of innovating enterprises. It is expected for enterprises to overcome growing pains and establish a management system capable of achieving outcome (productivity) by repeating measurement and innovation through management diagnosis. In addition, this study provides a method to produce a strategic subject, select priority of implementation and prepare an implementation road map by classifying and filtering management issues produced as a result of management diagnosis in a systematic way. If variables necessary for production of an objective weighted value of scoring and discover of elements for category of diagnostic model and elementary items as well as design of a self-diagnosis questionnaire, measurement of management outcome suggested in this study can be able to be verified and supplemented through case study in the future, it is expected to make the degree of completion as a diagnostic model elevated that may help for growth and development through innovation of medium enterprises.

CT Classification and Treatment of Intraarticular Calcaneal Fractures - Conservative vs. Surgical Treatment by Prospective Study - (관절내 종골 골절의 전산화 단층 촬영에 따른 분류 및 치료)

  • Kang, Jae-Do;Kim, Hyung-Chun;Kim, Jin-Hyung
    • Journal of Korean Foot and Ankle Society
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    • v.5 no.1
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    • pp.35-42
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    • 2001
  • Purpose: To analyze the results of conservative or surgical treatment after computed tomograhy(CT) classification in intraarticular calcaneal fractures. Materials and methods: From January 1996 to May 1999, we prospectively analyze 23 cases of intraarticular calcaneal fractures who were treated conservatively or operated by open reduction and internal fixation by extensive L-shaped lateral approach after CT classification. Results: A functional scoring system of 0-100 points which was based upon the responses to AOFAS Ankle-Hindfoot Scale for the operative group was at 82.8, compared with 73.2 for the non-operative group, and these were meaningful statistically(P<0.05). Of type I fracture, in the operative group there were 2 excellent results and in the non-operative group there were 2 excellent results, 1 good result. or type II fractures, in the operative group there were 2 excellent results, 3 good results, 1 fair result and in the non-operative group there were 1 good result, 1 fair result, 2 poor results. Of type III fractures, in the operative group there were 2 fair results, 2 poor results and in the non-operative group there were 1 fair result, 3 poor results. Bohler angles of subtalar joint were changed from initial average $13.3^{\circ}$ to postoperative average $20.9^{\circ}$ for the operative group compared with from initial average $15.5^{\circ}$ to follow-up average $14.8^{\circ}$ of the non-operative group(P<0.01). Conclusions: Computed tomography in the evaluation of intraarticular calcaneal fractures is effective tool. We believed that open reduction and internal fixation in all Crosby & Fitzgibbons type II and according to degrees of comminution reducible type III for the intraarticular calcaneal fractures is more effective method than conservative treatment.

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Review of Literatures for Development of Clinical Trial Guideline for Total Ankle Arthroplasty (인공발목관절의 임상시험 가이드라인 개발을 위한 문헌적 고찰)

  • Park, Jin Oh;Lee, Moses;Lee, Jin Woo;Lee, Soo Bin;Han, Seung Hwan
    • Journal of Korean Foot and Ankle Society
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    • v.18 no.4
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    • pp.195-201
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    • 2014
  • Purpose: The purpose of this study is to develop guidelines for clinical trial of the total ankle replacement system for premarket approval. Materials and Methods: We selected and analyzed nine peer-reviewed articles whose quality had been proven in a previous phase. Two investigators extracted parameters for guideline criteria, including number of cases, patient age, follow-up period, failure rate, radiographic osteolysis rate, residual pain rate, and percentage of satisfaction. In addition, the inclusion and exclusion criteria were analyzed and developed. Results: Eight level IV studies and one level II study were included. The average number of cases was 159 cases and the mean patient age was 63.5 years. The mean follow-up period was 4.2 years, ranging from two to nine. The average failure rate of total ankle replacement in mid- to long-term follow-up was approximately 13% (2%~32.3%). The rate of osteolysis was approximately 18%. Residual pain was common (21.4%~46%), but overall patient satisfaction was approximately 85.6% (67.5%~97%). Conclusion: The results could be used as criteria for designing the clinical studies, such as number of cases, patient age (over 60 years), and follow-up period (minimum two years). The clinical scoring system and 36-item short form health survey (SF-36) was the most commonly used method for clinical evaluation for total ankle arthroplasty. In addition, the overall results, including failure rate, osteolysis rate, and patient satisfaction, could be used as a parameter of guidelines for premarket approval.

Recipes for dishes controlling diabetes and its blood glucose response effect (당뇨조절식의 조리법과 혈당반응효과)

  • 김명애;김연선;윤석권
    • Korean journal of food and cookery science
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    • v.15 no.4
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    • pp.401-409
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    • 1999
  • This stydy was performed to improve recipes for dishes with seaweed, spinach, wild parsley, and yam as food source of low blood glucose and to select better favorite dishes controlling diabetes trough sensory test of 9 scoring method. Also the effect controlling blood glucose based on observation of blood glucose and glycemic index was applied for the normal person. The traditional recipes gained high acceptability in the sensory test. The Segogiguk, Daenjanguk, Guonsaeujuk, Sujebi, Bokeum and Beoseokhoi of seaweed ranged from 8.2 to 7.2. The Danggun juice, Daenjangguk, jeon and Dubumuchim of spinach was evaluated as 8.2 to 7.3. The Gulsaengche, Beefmuchim, Juice and Chodae of wild parsley showed high acceptability as 7.9 to 6.8. The Jorim and Jeon of yam ranged form 7.7 and 6.8. Addording to the result of blood glucose response of normal person meals controlling dishes showed GI 57.9-GI 91.3 compared to GI 100 of usual meal. The rice boiled with 30% of black soybean and additional dishes controlling diabetes were most effective as GI 57.9.

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