• Title/Summary/Keyword: problem analysis

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A Study on the Application of Machine Learning in Literary Texts - Focusing on Rule Selection for Speaker Directive Analysis - (문학 텍스트의 머신러닝 활용방안 연구 - 화자 지시어 분석을 위한 규칙 선별을 중심으로 -)

  • Kwon, Kyoungah;Ko, Ilju;Lee, Insung
    • The Journal of the Convergence on Culture Technology
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    • v.7 no.4
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    • pp.313-323
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    • 2021
  • The purpose of this study is to propose rules that can identify the speaker referred by the speaker directive in the text for the realization of a machine learning-based virtual character using a literary text. Through previous studies, we found that when applying literary texts to machine learning, the machine did not properly discriminate the speaker without any specific rules for the analysis of speaker directives such as other names, nicknames, pronouns, and so on. As a way to solve this problem, this study proposes 'nine rules for finding a speaker indicated by speaker directives (including pronouns)': location, distance, pronouns, preparatory subject/preparatory object, quotations, number of speakers, non-characters directives, word compound form, dispersion of speaker names. In order to utilize characters within a literary text as virtual ones, the learning text must be presented in a machine-comprehensible way. We expect that the rules suggested in this study will reduce trial and error that may occur when using literary texts for machine learning, and enable smooth learning to produce qualitatively excellent learning results.

A Study on College Students' Experiences for UCC Assignment in a Character Education Class (교양 인성 수업에서 대학생들의 인성을 주제로 한 UCC 과제 경험에 관한 현상학적 연구)

  • Kim, Byung-Sun;Son, Eun-Kyoung;Lee, Jun-Gil
    • Journal of the Korea Convergence Society
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    • v.13 no.3
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    • pp.239-253
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    • 2022
  • The purpose of this study is to have college students who took 'University Character Education Using YouTube Videos', which was opened as a liberal arts course in college, directly produce UCC assignments with the theme of personality. Despite the recent paradigm shift in learner-centered education, teacher-centered education still hinders learners' motivation to participate in classes. To solve this problem, a learner-led UCC production process is necessary for the practice of effective learner-centered education. For this purpose, a phenomenological research method was applied. The research participants were 10 students, in-depth interview was used for data collection, and Colaizzi's research method was selected for data analysis. As a result of the analysis, 9 themes, 4 theme clusters, and 2 categories were derived. The results are as follows. First, they recognized that the UCC assignments were a field of maturity, such as practicing the right thoughts and actions, and re-establishing the concept of character. Second, they said that the UCC production process was an opportunity to increase their self-esteem. Third, they showed a more mature personality by recognizing that the UCC assignments became a chance to pay attention to others beyond themselves. Fourth, they had the greatest difficulty in selecting a topic while carrying out the UCC project, and they were experiencing the limitations of high-quality projects due to the technical immaturity of UCC production. Finally, this study was concluded by discussing the educational implications based on the results. These results provide a suggestion that more effective character education can be expected when tasks led by learners will be developed and an interactive arena where students can be shared are provided.

A Study on the Relationship among Parents' Social Networks, Information-Sharing Intention, and Satisfaction (학부모 소셜네트워크와 정보공유 의도 및 만족도 간 관계에 대한 연구)

  • Lee, Go-Eun;Park, Ji-Hong
    • Journal of the Korean Society for information Management
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    • v.39 no.3
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    • pp.69-97
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    • 2022
  • Parents' interest and care are very important for their children in the process of growing up, but parenting is also very unfamiliar and difficult for themselves. Parents constantly need information related to parenting, and in order to solve this problem, they try to obtain information through informal meetings or social relationships among parents at an individual level, which often brings up conflicts and stresses. Accordingly, the purpose of this study is to explore the characteristics of social networks among parents and to understand the influence of the network characteristics on information-sharing intention and information-sharing satisfaction. To this end, a survey questionnaire was developed based on previous studies and was administered among parents whose children are in a daycare center. Then, the data was analyzed using social network analysis (SNA) method. Findings indicate that the correlation among the social networks, the information -sharing intention, and the information-sharing satisfaction was significant, but the influence of the social networks on the information-sharing intention, and the information-sharing satisfaction was not established. It was also found that the intention to receive help was higher than the desire to help others. Policy suggestions to meet parents' information needs and the need to reconsider the role of local public libraries were presented.

Estimating soils properties using NIRS to assess amendments in intensive horticultural production

  • Pena, Francisco;Gallardo, Natalia;Campillo, Carmen Del;Garrido, Ana;Cabanas, Victor Fernandez;Delgado, Antonio
    • Proceedings of the Korean Society of Near Infrared Spectroscopy Conference
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    • 2001.06a
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    • pp.1615-1615
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    • 2001
  • During the past ten years, Near Infrared Spectroscopy has been successfully applied to the analysis of a great variety of agriculture products. Previous works (Morra et al., 1991; Salgo et al., 1998) have shown the potential of this technology for soil analysis, estimating different parameters just with one single scan. The main advantages of NIR applications in soils are the speed of response, allowing the increase of the number of samples analysed to define a particular soil, and the instantaneous elaboration of recommendations for fertilization and soil amendment. Another advantage is to avoid the use of chemical reagents at all, being an environmentally safe technique. In this paper, we have studied a set of 129 soil samples selected from representative glasshouse soils from Southern Spain. The samples were dried, milled, and sieved to pass a 2 mm sieve and then analysed for organic carbon, total nitrogen, inorganic nitrogen (nitrate ammonium), hygroscopic humidity, pH and electrical conductivity in the 1:1 extract. NIR spectra of all samples were obtained in reflectance mode using a Foss NIR Systems 6500 spectrophotometer equipped with a spinning module. Calibration equations were developed for seven analytical parameters (ph, Total nitrogen, organic nitrogen, organic carbon, C/N ratio and Electric Conductivity). Preliminary results show good correlation coefficients and standard errors of cross validation in equations obtained for Organic Carbon, Organic Nitrogen, Total Nitrogen and C/N ratio. Calibrations for nitrates and nitrites, ammonia and electric conductivity were not acceptable. Calibration obtained for pH had an acceptable SECV, but the determination coefficient was found very poor probably due to the reduced range in reference values. Since the estimation of Organic Carbon and C/N ratio are acceptable NIIRS could be used as a fast method to assess the necessity of organic amendments in soils from Mediterranean regions where the low level of organic matter in soils constitutes an important agronomic problem. Furthermore, the possibility of a single and fast estimation of Total Nitrogen (tedious determination by modifications of the Kjeldahl procedure) could provide and interesting data to use in the estimation of nitrogen fertilizer rates by means of nitrogen balances.

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Job Title Recommendations for Allied Health Professionals Related to Clinical Pathology, Laboratory Medicine, and Medical Biology (임상병리학, 검사의학, 의료생물학 관련 지원보건직 명칭에 대한 제안)

  • Bon-Kyeong KOO;Dajin LIM;Sangwon KIM;Chul KIM
    • Korean Journal of Clinical Laboratory Science
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    • v.55 no.1
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    • pp.1-8
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    • 2023
  • The purpose of this study is to find terms that can give identity to the major and occupation of clinical laboratory technologist (also known as medical technologist). The term clinical pathology includes all branches of pathology, namely anatomical pathology, chemical pathology, hematology, microbiology, and all respective subspecialties. Unfortunately, several countries exclude anatomical pathology from the term clinical pathology, a problem that gets compounded when the title is translated into languages other than English. Clinical pathology (US, UK) is a medical specialty. Similar terms are laboratory medicine (Germany, Poland), medical/clinical biology (France, Netherlands) or clinical analysis (Spain). Depending on the person questioned, medical technology is defined slightly differently by individuals, companies, and institutions. The definition also depends on the language in which the question is asked. Medical technology can be translated to define clinical laboratory technology, allied health sciences, medical equipment, biomedical engineering, and health technology. The terms 'clinical pathology technology and pathological technology' are not used in allied health sciences. The names of 'medical technology·medical technologist' can be replaced by 'biomedical laboratory science·biomedical laboratory technologist' or 'clinical laboratory analysis·clinical laboratory analyst'. In this study, it is proposed to change the name of academic and occupation to 'medical biology·medical biology technologist' that combines the term biomedical.

A Study on the Classic Theory-Driven Predictors of Adolescent Online and Offline Delinquency using the Random Forest Machine Learning Algorithm (랜덤포레스트 머신러닝 기법을 활용한 전통적 비행이론기반 청소년 온·오프라인 비행 예측요인 연구)

  • TaekHo, Lee;SeonYeong, Kim;YoonSun, Han
    • Korean Journal of Culture and Social Issue
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    • v.28 no.4
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    • pp.661-690
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    • 2022
  • Adolescent delinquency is a substantial social problem that occurs in both offline and online domains. The current study utilized random forest algorithms to identify predictors of adolescents' online and offline delinquency. Further, we explored the applicability of classic delinquency theories (social learning, strain, social control, routine activities, and labeling theory). We used the first-grade and fourth-grade elementary school panels as well as the first-grade middle school panel (N=4,137) among the sixth wave of the nationally-representative Korean Children and Youth Panel Survey 2010 for analysis. Random forest algorithms were used instead of the conventional regression analysis to improve the predictive performance of the model and possibly consider many predictors in the model. Random forest algorithm results showed that classic delinquency theories designed to explain offline delinquency were also applicable to online delinquency. Specifically, salient predictors of online delinquency were closely related to individual factors(routine activities and labeling theory). Social factors(social control and social learning theory) were particularly important for understanding offline delinquency. General strain theory was the commonly important theoretical framework that predicted both offline and online delinquency. Findings may provide evidence for more tailored prevention and intervention strategies against offline and online adolescent delinquency.

Analysis of Bias in the Runoff Results Due to the Application of Effective Soil Depth (유효토심을 적용한 유출해석 결과의 왜곡 분석)

  • Sunguk Song;Chulsang Yoo
    • Journal of Wetlands Research
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    • v.25 no.2
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    • pp.121-131
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    • 2023
  • This study examines the possible problem in the rainfall-runoff analysis process using the VIC (Variable Infiltration Capacity) model caused by using the effective soil depth instead of the soil depth. The parameters of the model are determined as follows. First, parameters that can be determined using available numerical information are fixed. For parameters related to direct runoff and base runoff, the recommended values of the VIC model are applied. In the case of soil depth, four cases are considered: (1) the effective soil depth is applied as the soil depth, (2) 1.5 times of the effective soil depth is applied as the soil depth by reflecting the vertical structure of the soil layer, (3) 1.25 times of the effective soil depth, and (4) 2.0 times of the effective soil depth as alternative soil depths. This study simulates the rainfall-runoff for the period from 1983 to 2020 targeting the Chungju Dam and Soyang River Dam basins of the Han River system. As a result of the study, it is confirmed that when the effective soil depth is applied instead of the soil depth, direct runoff and baseflow have opposite effects, and direct runoff increases by more than 3% while base runoff decreases by the same scale. In addition, the most influential factor in the estimation of the effective soil depth in the Chungju Dam and Soyanggang Dam basins is found to be the proportion of rock outcrop area. The difference between the direct runoff ratio and the base runoff ratio in the two basins is conformed significantly different due to the influence of the rock outcrop area.

Evaluation of Mechanical Characteristics and Concentration Target Layer Applicability of Silty Sand by Fines Content (실트질 모래의 세립분 함유율에 따른 역학적 특성 및 압밀 대상층 적용성 평가)

  • Jung-Meyon Kim;Min-Seo Kang;Jong-Joo Kim;Seung-Joo Lee;Young-Seok Kim;Chan-Young, Park;Yong-Seong, Kim
    • Journal of the Korean Geosynthetics Society
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    • v.22 no.3
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    • pp.37-46
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    • 2023
  • In this paper, the physical properties, stress deformation and strength characteristics, density and permeability characteristics of silty sand (SM) by fines content were analyzed through indoor tests. also based on the results of the indoor tests, a compact analysis was performed according to the content of SM, and the applicability of SM ground to the compacted target layer was evaluated by comparing it with the measurement data of the actual problem site. As a result of indoor tests and compression analysis, SM changed its mechanical properties from sandy soil to viscous soil when the fine particle content was 35% or higher, and using field measurement data, SM was found to have a higher compression tendency than direct subsidence. Therefore, the mechanical characteristics of SM above Fc 35% are considered to be similar to that of viscous soil, which is different from the compression characteristics of the tendency of immediate subsidence to conventional sandy soil, so it is necessary to present the mechanical characteristics of SM through further research. The research findings highlight the importance of considering consolidation settlement in silty sand (SM) when evaluating soft soil conditions. These findings can aid in revising criteria for assessing weak ground conditions by providing essential engineering property data based on varying fines content in silty sand.

Analyzing the Characteristics of Evidence Use and Decision-making Difficulties of Gifted Elementary Science Students in SSI Discussions (SSI 수업에서 초등 과학 영재의 추론 유형별 근거 활용의 특징과 의사결정의 어려움 분석)

  • Jang, Hyoungwoon;Jang, Shinho
    • Journal of Korean Elementary Science Education
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    • v.42 no.3
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    • pp.421-433
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    • 2023
  • This study examined the reasoning of gifted elementary science students in a socioscientific issues (SSI) classroom discussion on COVID-19-related trash disposal challenges. This study aimed to understand the characteristics of evidence use and decision-making difficulties in each type of SSI-related reasoning. To this end, the transcripts of 17 gifted students of elementary science discussing SSIs in a classroom were analyzed within the framework of informal reasoning. The analysis framework was categorized into three types according to the primary influence involved in reasoning: rational, emotional, and intuitive. The analysis showed that students exhibited four categories of evidence use in SSI reasoning. First, in the rational reasoning category, students deemed and recorded scientific knowledge, numbers, and statistics as objective evidence. However, students who experienced difficulty in investigating such scientific data were less likely to have factored them in subsequent decisions. Second, in the emotional reasoning category, students' solutions varied considerably depending on the perspective they empathized with and reasoned from. Differences in their views led to conflicting perspectives on SSIs and consequent disagreement. Third, in the intuitive reasoning category, students disagreed with the opinions of their peers but did not explain their positions precisely. Intuitive reasoning also created challenges as students avoided problem-solving in the discussion and did not critically examine their opinions. Fourth, a mixed category of reasoning emerged: intuition combined with rationality or emotion. When combined with emotion, intuitive reasoning was characterized by deep empathy arising from personal experience, and when combined with rationality, the result was only an impulsive reaction. These findings indicate that research on student understanding and faculty knowledge of SSIs discussed in classrooms should consider the difficulties in informal reasoning and decision-making.

Analysis of the Involving Mechanism of Kim Eun-Sook Drama : Focused on the Audience's Predictability and the Activities of Constructing Hypotheses (김은숙 드라마 <도깨비>의 몰입기제 구축과정 분석 - 관람자 예측성과 가설 구성 활동을 중심으로 -)

  • Kim, Eui-Jun
    • Journal of Korea Entertainment Industry Association
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    • v.13 no.2
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    • pp.79-91
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    • 2019
  • In the entertainment industry, risk management is crucial for securing competitiveness due to the risk of investment. The competitiveness of contents is reinforced when external factors such as industrial environment and internal factors centering on involving mechanism are simultaneously provided. The involving mechanism is a form of cognitive response behavior of the audience and occurs through signal processing of the brain when watching the image contents. The signal processing of the brain related to the contents watching is mainly performed in the working memory area, and in the case of the captivating movie, the information other than the contents transmitted to the audience is blocked to generate a temporary dissociation state. A dissociation state similar to a symptom such as hypnosis or amnesia occurs when the audience's level of involving is high. On the other hand, contents information in which the audience is concentrating his attention is used intensively for constructing future thinking through an episodic buffer while the inflow of external information is relatively blocked or delayed. The spectator's future thinking configuration takes the form of a hypothesis-forming activity and is based on the predictability of the brain. When these hypothesized behaviors correspond to the problem solving simulation of story and predictability which is an evolutionary function of the brain, the audience' s brain is involved in the contents at a high level. In order for the act to be effective, the factors such as the background of the hypothesis, the subject of the hypothesis, the internal information of the person, the type and position and quantity of the hypothesis information, and the hypothesis relevance and type of information are important. Based on these factors, analysis of the Kim Eun Sook Drama 'Goblin' shows that the above elements are operated in a very organic and meaningful way.