With the development of artificial intelligence(AI), the jobs of many human experts are threatened, and this also applies to the legal profession. This study attempted to investigate whether AI can actually replace humans in the legal profession, especially the role of judges making final judgments. For this purpose, from the perspective of uniqueness neglect, this study was conducted to confirm the effect of involvement and the severity on acceptance of the judgment made by the AI judge (Experiment 1) and the AI jury (Experiment 2). The involvement was manipulated as if the subject who was sentenced for committing a crime was his or her family (mother, father) or stranger, and the severity was manipulated by the extent of the damage, the perception of the crime, and the number of applied crimes. In Experiment 1, the interactive effect of involvement and severity was found. Specifically, when the involvement was low, the acceptance of AI judges was higher in high severity (vs. low severity). Conversely, when the involvement was high, the acceptance of AI judges was higher in low severity (vs. high severity). The same interactions as in Experiment 1 occurred in Experiment 2. Specifically, when the involvement was low, a larger number of AI jury members were allocated in high severity (vs. low severity). On the other hand, when the involvement was high, the number of AI juries increased in low severity (vs. high severity). This study has implications in that it is the first experimental study in Korea on artificial intelligence legal judgment and that it presents the prospects for the jobs of legal experts.
Background: The incidence of ischemic cerebrovascular disease is increasing in recent years and has been one of the leading causes of neurological dysfunction and death. Ginsenoside Rg1 has been found to protect against neuronal damage in many neurodegenerative diseases. However, the effect and mechanism by which Rg1 protects against cerebral ischemia-reperfusion injury (CIRI) are not fully understood. Here, we report the neuroprotective effects of Rg1 treatment on CIRI and its possible mechanisms in mice. Methods: A bilateral common carotid artery ligation was used to establish a chronic CIRI model in mice. HT22 cells were treated with Rg1 after OGD/R to study its effect on [Ca2+]i. The open-field test and poleclimbing experiment were used to detect behavioral injury. The laser speckle blood flowmeter was used to measure brain blood flow. The Nissl and H&E staining were used to examine the neuronal damage. The Western blotting was used to examine MAP2, PSD95, Tau, p-Tau, NOX2, PLC, p-PLC, CN, NFAT1, and NLRP1 expression. Calcium imaging was used to test the level of [Ca2+]i. Results: Rg1 treatment significantly improved cerebral blood flow, locomotion, and limb coordination, reduced ROS production, increased MAP2 and PSD95 expression, and decreased p-Tau, NOX2, p-PLC, CN, NFAT1, and NLRP1 expression. Calcium imaging results showed that Rg1 could inhibit calcium overload and resist the imbalance of calcium homeostasis after OGD/R in HT22 cells. Conclusion: Rg1 plays a neuroprotective role in attenuating CIRI by inhibiting oxidative stress, calcium overload, and neuroinflammation.
Journal of Korea Entertainment Industry Association
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v.14
no.2
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pp.73-84
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2020
South Korea's newly branded musical industry 'K-Musical' is currently booming. The growth of K-Musical can be attributed to the popularity of other industries in the Korean wave, namely K-Pop and Korean dramas. With the inclusion of K-Musicals into the Korean wave, it is beginning to standout on its own as a cultural brand. In the first half of 2012, the popularity of K-Musicals grew 24%, higher than any other performance industry. Moreover, this industry grew 20% in the latter half of 2012 and grew to 300 billion won in 2013. One reason for this growth can be attributed to the increased output of musicals of Korean origin in large-scale theatres dedicated solely to musicals. This has became to necessary foundation for the export of korean musicals abroad. Now is a critical time for Korean musicals to expand to other countries in order to become the hub of Asia for musical industries. 2012 and 2013 saw the greatest increase in the export of musicals to Japan and China. The musical sales in 2018 totaled 257.1 billion won, an increase of 29% over the previous year. Therefore, understanding the importance of these two markets is pivotal in the continued sustainable growth of K-Musicals. This paper seeks to highlights the importance of becoming the canter of Asia musicals and to offer strategies to lead Korea's musical industry toward this goal.
Background music is presented simultaneously with target messages. The main content should be kept intact for some time to aid decision making process. The maintenance of this information requires auditory working memory. The temporal compression of background music may often adopted due to the limitation of the presentation time. In this study, auditory working memory and decision making proces were analyzed in terms of temporal compression ratios of the background music. A total of 37 subjects of early twenties joined the study. Selected products were categorized based on eigen values of multi-dimensional scaling. Four presentation conditions were cases with no background music, background music with no compression, background music with low compression, and background music high compression. Matched reponses were analyzed through repeated ANOVA. Results showed that the high involvement product required more working memory resources. However, the increased level of usage did not always lead to the corresponding changes in decision making process. This approach may be useful in analyzing the role of time compression and working memory in consumer behaviors.
Recent aspects of terrorism varies in various ways according to means, targets, and regions. In particular, the 9/11 terrorist attacks in the United States in 2001 changed the paradigm of each country's terrorism, and the South Korea also participated in the enactment and enforcement of the Anti-Terrorism Act in 2016. Based on this, CBRN terrorism is included in general terrorism, and the National Police Agency plays the role of a control tower, and a system supported by related organizations such as the Ministry of Environment is being built and operated. However, restrictions were confirmed in the organizational system, manpower composition, and equipment and materials in operation in preparation for CBRN within the police. Based on the identified limitations, we proposed improvement plans to strengthen the capacity for CBRN terrorism: establishing a dedicated CBRN organization; creating research organization; and securing additional dedicated personnel. Based on this, as an improvement plan to strengthen the capability of CBRN, the establishment of an organization dedicated to CBRN and a research organization within the National Police Agency, and expansion of electronic equipment suitable for the characteristics of CBRN were proposed. It is expected that the police's on-site response capability system for CBRN terrorism will be strengthened via the proposed improvement measures to recover the various restrictions on the response to CBRN terrorism.
Kim, Gahyoung;Choi, Kevin Kyeong-iI;Kim, Dowon;Son, Muntak;Kim, Byoung-Yoon
Journal of Appropriate Technology
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v.6
no.2
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pp.190-199
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2020
The purpose of this study is to develop and implement the Appropriate Technology Science School program (ATSS) for youth operated by the Europe-Korea Conference on Science & Technology (EKC) since 2016. The development process consisted of pre-online management meetings, online and offline tutor training, operation of ATSS for youth, and satisfaction surveys. As a result of the development, the management team selected the mission-solving theme of "Transforming village using blockchain technology" through a pre-online meeting. The contents were reorganized according to the level of the participating tutees, and various learning activities such as co-building activities, games, and plays were newly introduced and developed first, and the programs developed through tutor training were demonstrated and improved. A total of 38 tutees and tutors from 6 countries participated in the 2018 ATSS. As a result, participants showed positive satisfaction overall. Tutees showed interest in dome co-building activities and hash function calculation activities, and tutors showed interest in lectures and monopoly games related to blockchain technology. The development and of the 2018 ATSS will contribute to the improvement of expertise in the operation of the EKC ATSS in the future to the management team. It will be an opportunity for tutors to experience that high-tech science and technology have a good impact on appropriate technology for the third world and community society. In addition, Tutees will be provided with an opportunity to indirectly experience the local situation and community society through a role play on the impact of blockchain technology on African villages.
Purpose - This paper empirically investigates the predictors and main determinants of consumers' ratings of mobile applications in the Google Play Store. Using a linear and nonlinear model comparison to identify the function of users' review, in determining application rating across countries, this study estimates the direct effects of users' reviews on the application rating. In addition, extending our modelling into a sentimental analysis, this paper also aims to explore the effects of review polarity and subjectivity on the application rating, followed by an examination of the moderating effect of user reviews on the polarity-rating and subjectivity-rating relationships. Design/methodology - Our empirical model considers nonlinear association as well as linear causality between features and targets. This study employs competing theoretical frameworks - multiple regression, decision-tree and neural network models - to identify the predictors and main determinants of app ratings, using data from the Google Play Store. Using a cross-validation method, our analysis investigates the direct and moderating effects of predictors and main determinants of application ratings in a global app market. Findings - The main findings of this study can be summarized as follows: the number of user's review is positively associated with the ratings of a given app and it positively moderates the polarity-rating relationship. Applying the review polarity measured by a sentimental analysis to the modelling, it was found that the polarity is not significantly associated with the rating. This result best applies to the function of both positive and negative reviews in playing a word-of-mouth role, as well as serving as a channel for communication, leading to product innovation. Originality/value - Applying a proxy measured by binomial figures, previous studies have predominantly focused on positive and negative sentiment in examining the determinants of app ratings, assuming that they are significantly associated. Given the constraints to measurement of sentiment in current research, this paper employs sentimental analysis to measure the real integer for users' polarity and subjectivity. This paper also seeks to compare the suitability of three distinct models - linear regression, decision-tree and neural network models. Although a comparison between methodologies has long been considered important to the empirical approach, it has hitherto been underexplored in studies on the app market.
Kim, Yoo-Jin;Seo, Kyung Hye;Jang, Gwi Young;Jung, Ji Wook;Kim, Mi Ryeo
The Korea Journal of Herbology
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v.36
no.3
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pp.47-53
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2021
Objectives : Currently, the alopecia is one of the most emotionally stressful syndromes in human life. Human hair dermal papilla cells (HDPCs) play an essential role in controlling hair growth and in regulating hair cycle. We performed MTT assay, cell cycle, and western blot to determine the effects of essential oil from Coicis Semen (ECS) on hair growth in HDPCs. Methods : We monitored cell proliferations by MTT assay in HDPCs. After setting up the safe and effective concentration range to be treated ECS, cell cycle analysis was performed using flow cytometry. Also, the protein expression of hair growth-related factors such as insulin like growth factor-1 (IGF-1), Wnt, extracellular signal-regulated kinase (ERK), serine/threonine-specific protein kinase (Akt) in HDPCs was determined by western blot. Results : As results, cell proliferation was increased in ECS group compared to dimethyl sulfoxide (DMSO) group and minoxidil (MNXD) group. Cell number of ECS group was more decrease in sub G1 phase than cell number of DMSO group. Also, cell number of ECS group increased compared to cell number of DMSO group in G1 phase. Protein expression of ECS group was higher than protein expression of DMSO group on related hair growth factors (IGF-1, Wnt, ERK, Akt). Conclusion : As mentioned above, ECS increased cell proliferation and the protein expression of IGF-1, Wnt, ERK, and Akt. These results suggest that ECS could be used as a potential material for the treatment of alopecia by increasing the proliferation of HDPCs.
Journal of Korea Entertainment Industry Association
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v.14
no.3
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pp.93-103
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2020
This study aims to explore the difficulties of Korean dance instructors targeting senior people and extends the difficulties found to developing PBL problems applicable to the instructors' education. To address the goal, this author employed an open-ended questionnaire consisting of four questions and 1:1 interview and collected data. According to the study results, total nine subfactors were drawn from four difficulties associated with student management, the curriculum, performances, and class environment. First, about difficulties related to student management, 'conflicts between students' and 'demand for personalized class' were explored. Second, regarding difficulties about the curriculum, 'refusal against new teaching methods' and 'level difference according to the ability of acquisition' were explored. Third, concerning difficulties related to having performances, 'lack of time for practicing', 'needs to achieve excellent performances', and 'the administration of organizations in charge' were explored. Fourth, about difficulties associated with class environment, 'environment in general' and 'spatial environment' were explored. Also, based on the difficulties explored from dance instructors for senior people, this researcher has developed four PBL problems through community dance for harmony, joint choreography-based creative dance, playful dance allowing role division, and mirroring-based dance.
Journal of Korea Entertainment Industry Association
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v.15
no.8
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pp.161-180
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2021
The purpose of this study is to define Juan Mayorga's play Hamelin as a Post-Epic Theatre and to study the practical directing technique for Hamelin as a Post-Epic Theatre. Post-Epic Theatre, which appeared after the Post-drama, has the purpose of presenting social issues, communicating interactively between the actors and the audience, and making the audience think about the issues presented by the techniques of immersion and alienation. To this end, after examining the theoretical background of the Post-Epic Theatre, the characteristics of the Post-Epic Theatre of Hamelin were identified and based on these features, '1. Building a visual image based on a Cubistic multifocal concept' and '2. The concept of directing was derived from reinforcing Meta-drama through role-playing'. Next, the actual directing technique was discussed, focusing on the chain action of immersion and alienation that occurs in the form of communication between actors and audiences. '1. Presenting the characteristics of the work through Post-Epic Theatre scenography', '2. Co-existence of actors and characters', '3. Building and utilizing body-centered gestus' are them. As a result, demanding an active attitude from the audience, various experiences such as critical thinking of the audience, strengthening the characteristics of post-epic dramas, and active meaning creation were made possible.
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