• 제목/요약/키워드: influencing factors

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심층신경망 기반 데이터 보충과 영향요소 결합을 통한 하이브리드 추천시스템 (Influential Factor Based Hybrid Recommendation System with Deep Neural Network-Based Data Supplement)

  • 안현우;문남미
    • 방송공학회논문지
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    • 제24권3호
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    • pp.515-526
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    • 2019
  • 특정 상품에 대한 사용자의 선호도는 상품의 질 외에도 많은 요소들에 의해 결정된다. 추천시스템에 있어 이러한 외적 요소들의 반영은 데이터의 부족을 포함한 여러 가지 근본적인 문제가 존재하여 지난한 일이었다. 그러나 공공데이터의 개방과 다양하고 방대한 양의 데이터를 가진 평가 플랫폼의 등장 등 기반 환경이 갖춰짐에 따라 외적 요소들의 접근이 용이해 졌다. 이러한 변화에 따라 본 논문은 상품의 품질 외에 사용자의 선호도에 영향을 주는 요소들을 반영할 수 있는 추천시스템 구조를 제안하고 사례를 적용하여 이러한 요소가 실제 선호도에 미치는 영향을 관찰하고자 한다. 제안하는 시스템의 구조는 크게 영향요소를 선정하고 추출하는 과정과 문장 분석을 활용하여 부족한 데이터를 보충하는 과정, 평가데이터와 영향요소를 결합하고 병합하는 과정으로 나눌 수 있으며 제안시스템의 결과 그룹과 실제 사용자 선호도 그룹 간 비교를 통해 구조 변수 설정의 적절성 등을 판단할 수 있는 검증 과정 또한 함께 제안한다.

Effects of Critical Thinking Disposition and Empathy on Cultural Competency in Dental Hygiene Students

  • Hwang, Ji-Min;Han, Ji-Hyoung
    • 치위생과학회지
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    • 제18권1호
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    • pp.24-31
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    • 2018
  • This study investigated the effects of critical thinking and empathy on the cultural competence of dental hygienists and students. A total of 529 dental hygiene students were randomly sampled and included as subjects. PASW Statistics for Windows ver. 18.0 was used to obtain the following results. Among the critical thinking sub-domains, cognitive integration was the highest and the lowest. Empathic ability had the highest acceptance factor among the sub-domains. Cultural competence was the highest among the sub-domains, while cultural knowledge was the lowest. According to their general characteristics, subject age, grade, religion, and economic level influenced the cultural capacity. Cultural awareness and sensitivity were high when there were foreign visiting experiences. Cultural awareness, sensitivity, skills, and knowledge were high when subjects had experienced multicultural education (p<0.05). Cultural awareness, sensitivity, skill, experience, and knowledge were correlated with critical thinking and cultural competence, among which cultural sensitivity showed the highest correlation (p<0.001). There was a correlation between cultural awareness and sensitivity, skill, and experience among the empathy and cultural competency sub-domains (p<0.001). The factors influencing cultural awareness included intellectual integration, openness, prudence, and perspective-taking (p<0.001). The factors influencing cultural sensitivity included intellectual integration, openness, and empathic concern (p<0.001). The factors influencing cultural skill included intellectual integration, creativity, and conductivity (p<0.001). The factors influencing cultural experience included prudence, objectivity, perspective-taking, and personal distress (p<0.001). Finally, the factors influencing cultural knowledge included creativity and conductivity (p<0.001). The results indicate that dental hygiene students should be equipped with cultural competence to enhance critical thinking and empathy required by the modern society and optimized dental hygiene courses should be provided for multicultural subjects.

Variability of Stem-Base Infestation and Coexistence of Fusarium spp. Causing Crown Rot of Winter Wheat in Serbia

  • Jevtic, Radivoje;Stosic, Nemanja;Zupunski, Vesna;Lalosevic, Mirjana;Orbovic, Branka
    • The Plant Pathology Journal
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    • 제35권6호
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    • pp.553-563
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    • 2019
  • Investigations related with factors influencing root and crown rot are rare and mainly related to farming practice and soil management. The main objective of this study was to examine broader range of factors influencing stem-base infestation of winter wheat in the field conditions. The effect of spatial distribution of infected plants on disease index (DIs) assessments was also investigated. Analysis of factors influencing DIs of crown rot of wheat demonstrated significant influence of the growing seasons (P < 0.001) and extreme fluctuations in winter temperatures (P < 0.001). In addition to that, localities together with their interaction with the growing season also significantly influenced DIs (P < 0.001). Aggregation of infected plants influenced variability of DI estimations, and it was pointed out that more extensive investigation should be conducted on broad range of DI in order to establish sampling method giving uniform sampling precision. Fusarium graminearum was shown to be predominant Fusarium species in Serbia (72.6%) using sequence-characterized amplified region analysis. Interestingly F. oxysporum was isolated in higher frequencies (27.4%) than it was reported in the literature. Given that there were no reports on the diversity of Fusarium species causing crown rot of wheat in Serbia, this study presents first report on this important subject. It also indicated that more attention should be focused on combined effects of abiotic and biotic factors influencing stem-base infestation of winter wheat. This knowledge will contribute to better understanding of factors influencing root and crown rot of wheat which would ensure sustainable disease management in the future.

후기 미숙아의 모유수유 실천 정도와 모유수유 실천 예측 요인: 재태기간 34주 미만 미숙아와의 비교 분석 (Breast Feeding Rates and Factors Influencing Breast Feeding Practice in Late Preterm Infants: Comparison with Preterm Born at Less than 34 Weeks of Gestational Age)

  • 장군자;이상락;김현미
    • 대한간호학회지
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    • 제42권2호
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    • pp.181-189
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    • 2012
  • Purpose: This study was done to compare breast feeding rates and factors influencing feeding practice between late preterm ($34{\leq}GA<37$) and preterm infants (GA<34). Methods: A survey was done of 207 late preterm and 117 preterm infants in neonatal intensive care units (NICU) of 4 university hospitals in D city. Data were collected from July 2009 to June 2010 from 324 medical records in the NICU. Breast-feeding at home was checked either by telephone survey or questioning during hospital visits. Results: Rate of breast feeding for late preterm infants was significantly lower than for preterm infants. There was no significant difference in breast-feeding at home. We found differences in factors influencing breast feeding between the two groups. Factors influencing feeding for late preterm infants were type of delivery, mothers' occupation, feeding type during hospitalization, time elapse from hospital discharge, total admission days, infant's body weight at first feeding and length of NPO (nothing by mouth). Factors influencing feeding for preterm infants were birth order, maternal disease and obstetric complications, and one-minute Apgar score. Conclusion: Results of the study show low rates of breast-feeding for late preterm infants indicating a need for breast-feeding education for mothers of these infants.

병원간호사의 조직몰입에 영향을 미치는 요인 (Influencing Factors of the Organizational Commitment among Hospital Nurses)

  • 이금재;이에리쟈;최심영
    • 한국직업건강간호학회지
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    • 제22권1호
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    • pp.35-46
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    • 2013
  • Purpose: The study aimed to identify influencing factors associated with the organizational commitment (OC) among hospital nurses. Methods: A descriptive correlational design was utilized. The subjects of this study were 447 female nurses working for over 6 months in Seoul. The study was based on the data from a self-reported survey using structured questionnaires. The data were collected from September 10 to 30, 2009 and analyzed using Pearson's correlation coefficients and stepwise multiple regression analysis. Results: The mean score of the OC was 2.45, slightly higher than the intermediate level. The mean score of the three-dimensional domain among the OC, affective commitment (AC) was 2.50, continuance commitment (CC) was 2.59, and normative commitment (NC) was 2.29. The influencing factors of nurses' AC were perceived organizational support (POS) (${\beta}$=.31, p<.001), supervisory trust, job burnout, nursing professionalism, and age, which accounted for 49.7%. The influencing factors of the CC were supervisory trust (${\beta}$=.20, p<.001), POS, and job burnout whereas the influencing factors of the NC were POS (${\beta}$=.40, p<.001), supervisory trust, nursing professionalism, and job burnout. Conclusion: It is necessary to develop supportive strategies that increase OC, which also improve the POS, nursing professionalism, and supervisory trust, and alleviate job burnout in hospital nurses.

간호사의 이직결정과 관련요인에 관한 연구 (Factors influencing the decisions of nurses to resign)

  • 김조자;박지원
    • 대한간호학회지
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    • 제21권3호
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    • pp.383-395
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    • 1991
  • This study was to investigated the factors influencing the decisions of nurses to resign. The purpose was to contribute information useful for the effective management of nurse staffing resources. The specific objectives were as follows : 1. To investigate the level of job satisfaction of nurses who resign. 2. To analyze the relationship of job expectations and the decisions to resign. 3. To investigate the major reason for nurses' resignations. 4. To identify the relationship of the general characteristics of the nurses and the factors influencing their decisions to resign. 5. To analyze the relationship of the intention to resign and the factors influencing the decisions to resign. The sample consisted of 90 nurses who worked at Y hospital in Seoul from march. 1987 to Feb. 1988 and who had resigned. The instruments used for this study were slavitt et al's Index of Work Satisfaction Scale and a job expectations scale developed by the researcher Analysis of data was done using frequency, t-test and ANOVA. The results of study were as follows : 1. There was no difference in the job satisfaction level of nurses who resigned compared with nurses in active service but the subcategory interaction score was lower and the subcategory salary score was higher than for nurses in active service. 2. Low job expectation scores influenced the decision to resign. 3. The major reason for resigning were personal problems such as marriage, childbirth, and relocation of family. 4. The length of employment and the number of different service areas of the nurses who resigned were associated with the job satisfaction level. 5. The nurses who had have an intention to resign while in active service had lower scores for job satisfaction and the job expectation score was a greater influence on the decision to resign. In conclusion, the factors influencing the decisions of nurse to resign were job satisfaction, job expectations and intention to resign while still in active service.

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1인 가구원의 정신건강 영향요인: 2019년 국민건강영양조사 자료를 활용한 융합 연구 (Factors influencing mental health of one-person household members: A convergence study using data from the 2019 National Health and Nutrition Examination Survey)

  • 한지영;박현숙
    • 한국융합학회논문지
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    • 제13권5호
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    • pp.389-400
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    • 2022
  • 본 연구는 1인 가구원의 정신건강의 영향요인을 확인하기 위하여 수행되었다. 제8기 1차연도 국민건강영양조사 자료(2019)를 활용한 연구로 연구대상자는 19세 이상의 1인 가구원 768명이었고, SPSS/Win 21.0 프로그램을 사용하여 복합표본 분석을 하였다. 1인 가구원 중 스트레스 인지가 높은 경우는 29.9%, 우울감이 있는 경우는 16.2%, 자살생각이 있는 경우는 8.2%로 나타났다. 스트레스의 영향요인은 연령과 주관적 건강상태이었고(p<.001), 우울감 영향요인은 가구소득, 주관적 건강상태 및 스트레스 인지로 나타났으며(p<.001), 자살생각 영향요인은 연령, 가구소득, 주관적 건강상태, 스트레스 인지 및 우울감이었다(p<.001). 본 연구결과는 1인 가구원의 정신건강 서비스 개선을 위한 기초자료로 활용될 수 있을 것이다.

Unveiling the mysteries of flood risk: A machine learning approach to understanding flood-influencing factors for accurate mapping

  • Roya Narimani;Shabbir Ahmed Osmani;Seunghyun Hwang;Changhyun Jun
    • 한국수자원학회:학술대회논문집
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    • 한국수자원학회 2023년도 학술발표회
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    • pp.164-164
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    • 2023
  • This study investigates the importance of flood-influencing factors on the accuracy of flood risk mapping using the integration of remote sensing-based and machine learning techniques. Here, the Extreme Gradient Boosting (XGBoost) and Random Forest (RF) algorithms integrated with GIS-based techniques were considered to develop and generate flood risk maps. For the study area of NAPA County in the United States, rainfall data from the 12 stations, Sentinel-1 SAR, and Sentinel-2 optical images were applied to extract 13 flood-influencing factors including altitude, aspect, slope, topographic wetness index, normalized difference vegetation index, stream power index, sediment transport index, land use/land cover, terrain roughness index, distance from the river, soil, rainfall, and geology. These 13 raster maps were used as input data for the XGBoost and RF algorithms for modeling flood-prone areas using ArcGIS, Python, and R. As results, it indicates that XGBoost showed better performance than RF in modeling flood-prone areas with an ROC of 97.45%, Kappa of 93.65%, and accuracy score of 96.83% compared to RF's 82.21%, 70.54%, and 88%, respectively. In conclusion, XGBoost is more efficient than RF for flood risk mapping and can be potentially utilized for flood mitigation strategies. It should be noted that all flood influencing factors had a positive effect, but altitude, slope, and rainfall were the most influential features in modeling flood risk maps using XGBoost.

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소형 제품의 조립용이성 평가 방법론 (Evaluation methodology of assemblability for the small-sized product)

  • 목학수;조종래;강영훈
    • 한국경영과학회:학술대회논문집
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    • 대한산업공학회/한국경영과학회 2002년도 춘계공동학술대회
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    • pp.616-623
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    • 2002
  • This paper proposes a new DFA methodology that ran estimate the standard assembly time and evaluate the assemblability of parts for small-sized product. We deride some determining and influencing factors related with assembly process and measure the assembly time using notion analysis to estimate of assemblability. We deduce quantitative store of assemblability through analysis of a correlation between determining factors and grade of influencing factors.

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정보보호정책 도입에 영향을 미치는 요인에 관한 연구 (Study on factors influencing adoption of information security policies)

  • 한영구;최명길;김세헌
    • 한국경영과학회:학술대회논문집
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    • 한국경영과학회 2004년도 추계학술대회 및 정기총회
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    • pp.636-639
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    • 2004
  • Information security keeps enterprises information from the unintended disclose, modification and destruction and plays important roles especially in enterprise owing Internet based information systems. This study recognizes the importance of information security policy, analyzes factors influencing adoption of information security policy, and provides the factors for enterprises utilize them.

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