Application field of third dimension graphic is becoming diversification by the fast development of hardware recently. Various theory of details technology necessary to design game such as 3D MMORPG (Massive Multi-play Online Role Flaying Game) that do with third dimension. Cyber city should be absorbed. It is the detection speed that this treatise is necessary in game engine design. 3D MMORPG game engine has much factor that influence to speed as well as rendering processing because it express huge third dimension city´s grate many building and individual fast effectively by real time. This treatise nay get concept about the collision in 3D MMORPG and detection speed elevation of game engine through improved detection method. Space division is need to process fast dynamically wide outside that is 3D MMORPG´s main detection target. 3D is constructed with tree construct individual that need collision using processing geometry dataset that is given through new graph. We may search individual that need in collision detection and improve the collision detection speed as using hierarchical bounding box that use it with detection volume. Octree that will use by division octree is used mainly to express rightly static object but this paper use limited OSP by limited space division structure to use this in dynamic environment. Limited OSP space use limited space with method that divide square to classify typically complicated 3D space´s object. Through this detection, this paper propose follow contents, first, this detection may judge collision detection at early time without doing all polygon´s collision examination. Second, this paper may improve detection efficiency of game engine through and then reduce detection time because detection time of bounding box´s collision detection.
Objectives : This study aims to assess the impact of acupotomy on migraine through an examination of clinical studies conducted since 2015. Methods : We conducted a comprehensive search for randomized controlled trials (RCTs) and non-randomized controlled trials (nRCTs) related to acupotomy treatment for migraine, utilizing five Korean online databases (OASIS, Science ON, DBPIA, KISS, RISS), as well as four foreign online databases (CNKI, PubMed, EMBASE, Cochrane Library). We identified a total of 10 relevant studies for analysis. Participants characteristics, treatment points, combination treatments, treatment cycles or frequencies, evaluation indices, efficacy, and adverse events were analyzed. The risk of bias in the 10 RCTs was assessed using the Revised Cochrane risk-of-bias tool for randomized trials (RoB 2.0). Results : A total of 931 participants were included in 10 studies. In the intervention group, the average duration of migraine morbidity ranged from 15.5±4.5 months to 15.9±4.2 years. Six studies based their diagnoses on the International Classification of Headache Disorders (ICHD), while five studies relied on Chinese diagnostic criteria. All studies specified the treatment area as the region exhibiting tenderness or induration on the head and neck. Treatment cycles ranged from a minimum of 2 days to a maximum of 1 week, with the number of days per treatment course varied from 5 days to 4 weeks. The diameter of acupuncture needles used varied between 0.3 mm and 1 mm. Of the eight studies specifying needle length, the shortest was 20 mm, and the longest was 40 mm. A total of eight evaluation indices were employed, with total efficacy rate (TER) and visual analogue scale (VAS) being the most frequently used. Statistically, all intervention groups showed more significant results compared to the control groups. Adverse events were reported in only two studies within the intervention group. Overall, the risk of bias assessment for the selected RCTs ranged from 'some concerns' to 'high risk of bias.' Conclusions : This study showed that acupotomy treatments for migraine were effective.
Younghee Noh;Youngmi Jung;Aekyoung Son;Inho Chang;Hyunju Cha
Journal of Korean Library and Information Science Society
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v.55
no.1
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pp.193-214
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2024
This study aimed to propose a method for collecting and applying media platform based materials at the National Library of Korea. Firstly, we analyzed the current status and limitations of data collection based on domestic media platforms, including the National Library of Korea. Secondly, a literature review method was used to investigate the current status and types of digital content based on media platforms. Thirdly, we identified the types of materials based on media platforms that are not currently included in the National Central Library's online material collection guidelines through the examination of cases from major overseas libraries. Fourthly, after reviewing technical and legal elements such as the definition of collection targets and scope for each new media, and collection methods, we established collection criteria. Fifthly, based on the research results, the policies proposed in this study are as follows: 1) there is a need to establish a clear legal basis for the collection of media platform based materials; 2) the development and presentation of collection guidelines for media platform based materials is necessary; 3) the development of collection tools and infrastructure for media platform based materials is required; 4) for the collection of media platform based materials, it is necessary to obtain permission for collection from targeted social media organizations, and to cooperate in linkage with organizations that produce and service extended reality content; 5) for the service activation of media platform based materials, it is necessary to improve accessibility for the usage activation of these materials, to enhance the content extensibility and ease of use of the e-deposit system including extended reality content, and to advance and construct spaces for reproducing extended reality content.
The purpose of this paper is to suggest fundamental data for finding problems and ways to improve Korean dental infection control studies through the classification of literature on dental infection control which have been conducted in Korea. The collection of literature was done via seven online database programs only for domestic literature. The date of first search was September 16-17th, 2009, and the final search was completed on December 20th, 2009. (1) From the examination of the frequency of research according to the publishing form by year, it is revealed that after 2006, dental infection control is being performed most vigorously, compared with 1980's when the studied on this area started. (2) According to the classification of research method by research design of original article among the literature, original articles were 45 studies, and the others were 20 studies. It was also found that in 45 studies of original article, there were 37 studies of survey research, and there were 8 studies which include microbiology examination. (3) On the analysis of the subject of each study, glob and mask using rate have gradually increased, and the frequency of pierced with sharp implement or needle have gradually decreased. Through this research, it can be observed roughly how the results depended on subject of each studies change. However, it may be restricted to generalize the results of this research, because there are lack of clear standard and literature evidence to assess the interrelationship between each study. Also, since there are shortage of research and studies in dental infection control, the research to examine the effects should be tried actively after the standards and precaution of dental infection control developed.
This introduction is both a statement of a research problem and an account of the first research results for its solution. As more historical databases come online and overlap in coverage, we need to discuss the two main issues that prevent 'big' results from emerging so far. Firstly, historical data are seen by computer science people as unstructured, that is, historical records cannot be easily decomposed into unambiguous fields, like in population (birth and death records) and taxation data. Secondly, machine-learning tools developed for structured data cannot be applied as they are for historical research. We propose a complex network, narrative-driven approach to mining historical databases. In such a time-integrated network obtained by overlaying records from historical databases, the nodes are actors, while thelinks are actions. In the case study that we present (the world as seen from Venice, 1205-1533), the actors are governments, while the actions are limited to war, trade, and treaty to keep the case study tractable. We then identify key periods, key events, and hence key actors, key locations through a time-resolved examination of the actions. This tool allows historians to deal with historical data issues (e.g., source provenance identification, event validation, trade-conflict-diplomacy relationships, etc.). On a higher level, this automatic extraction of key narratives from a historical database allows historians to formulate hypotheses on the courses of history, and also allow them to test these hypotheses in other actions or in additional data sets. Our vision is that this narrative-driven analysis of historical data can lead to the development of multiple scale agent-based models, which can be simulated on a computer to generate ensembles of counterfactual histories that would deepen our understanding of how our actual history developed the way it did. The generation of such narratives, automatically and in a scalable way, will revolutionize the practice of history as a discipline, because historical knowledge, that is the treasure of human experiences (i.e. the heritage of the world), will become what might be inherited by machine learning algorithms and used in smart cities to highlight and explain present ties and illustrate potential future scenarios and visionarios.
Schemes to case analysis and cope with on-line game crimes net supervision system, a real name confirmation process, and a self-examination system to check by themselves if they are addicted to on-line games with a view to prevent the addiction. In addition, this study found that general precuations should comprise measures to change the awareness of the users of the internet and to establish their ethical senses because most on-line garners are not aware that their actions are a crime and believe their crimes are not disclosed to the outsiders.
Journal of the Korean Society of Clothing and Textiles
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v.39
no.6
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pp.924-937
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2015
This study surveyed the recognition and credibility of infant's organic cotton apparel and examined the current quality of children's organic cotton clothes available in the market. This study contributes to improve fabric certification programs and safety standards by understanding customer opinions and actual quality. A customer survey revealed that customers believe that organic cotton products should not include chemicals such as pesticides, fluorescent whitening agents and chemical colors; in addition, customers have high expectations for safety as well as worries about the products' validity. Children's underwear was the most purchased item category among organic cotton products. Current organic cotton certification programs are voluntary with multiple organizations that provide various certification standards. A total of 34.2% of children's organic cotton clothes sold at online and offline stores were not certified, and 10.5% had invalid certification information. This may substantially lower the credibility of organic cotton products and requires immediate change. Examination of organic cotton products showed that products do not meet customer expectations for quality and safety: 3 out of 8 products used accessories (buttons and wappens) that include harmful chemicals such as lead, phthalate and formaldehyde, 6 products used fluorescent whitening agents, and 4 products used other fabrics such as rayon, polyurethane and polyester. GOTS mark is the most recognized organic certification, but it still allows the usage of fluorescent whitening agents, which indicates a gap between customer opinions and actual certification standards. Managing national-level mandatory certification programs like food and setting quality standards that meets customer expectations are required to enhance the credibility of organic cotton products.
This study has two major purposes. First, this research empirically tests whether there are the impacts of the third-person effects on individuals' perceptions of the girl groups' suggestive performance. The second purpose of this study is to examine the relationships between the perceptual biased toward the influences of the girl groups's suggestive performances and the supports for regulation. For this purpose, this paper investigated individuals' perception of different degrees to which the suggestive performance has influences on three dissimilar groups including 'the self', 'colleagues' and 'the others' and how they affect supports for regulation. An online survey was administrated on 305 people who have watched the girl groups' lasciviousness performance for data gathering. The collected data were analyzed with t-test, multiple and hierarchical regression. The results showed that there are significant differences in perceptions of the effect of suggestive performance on three groups including 'the self', 'colleagues' and 'the others'. The findings also revealed that the perception of the effects of lasciviousness performance on 'the others' is one of the strongest predictors for the supports for regulation. The implications of these results were also discussed.
This study investigated multidimensional body image, self-esteem, clothing benefits sought, and Body Image After Breast Cancer (BIABC) within surgical subgroups among breast cancer survivors. The study applied the questionnaire survey method and the main research was conducted through an online survey. The respondents included 207 breast cancer survivors between the ages of 30 and 59, each of whom received the Multidimensional Body-Self Relations Questionnaire (MBSRQ). Self-esteem, clothing benefits sought, examination, and demographic variables were measured using a 5-point Likert scale. The main results of this study are outlined below. For clothing benefit sought, six factors were formulated-pursuit of self-expression/social approval, function/health, compensation, femininity, fashion, and camouflage-and BIABC was defined by the four factors of body stigma/vulnerability, transparency, limitation and cancer concern. While MBSRQ and self-esteem did not show a statistically significant difference between groups differentiated by the surgical methods experienced, those who underwent mastectomies scored slightly lower than members of the other groups. Moreover, the reconstruction after mastectomy group showed the highest mean on self-expression/social approval, compensation, femininity and entire clothing benefits sought, followed by the lumpectomy group and mastectomy group. The lumpectomy group was found to have more positive BIABC than the mastectomy group. In particular, the mastectomy group showed a lower body stigma/vulnerability mean than the other groups. This study is meaningful in that it improves our understanding of the body image of breast cancer survivors and provides basic knowledge for developing products and marketing strategies for breast cancer survivors as consumers.
Seo, Woo-Seok;Jyung, Chyul-Young;Lee, Jae-Ho;Kim, Jae-Ho;Lee, Yoon-Jo
Hwankyungkyoyuk
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v.22
no.4
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pp.95-110
/
2009
The purpose of the study was to develop The Stream Environmental education u-learning contents for elementary school students. For the development of content, the researchers commissioned detailed examination to experts to confirm validity, did a literature review and hosted expert forums. In addition, to enhance accessibility, they asked fairytale writers to develop easier and more valid scenarios and narrations of u-learning contents for elementary school students. The development content is for 18 hours of education and has three sections: i) Preparation, ii) Exploration, and iii) Arrangement. Since the content has been developed based on SCROM, it is expected to have re-usability, accessibility, compatibility and durability. Based on evaluation criteria of u-learning contents suggested in the research methods, the research group commissioned evaluation to ten experts in environmental education of each school level. Recommendations for applying the content developed in this study and further research are as follows: First, the developed content should be actively promoted and provided both online and offline so that elementary school students can fully utilize them. To this end, the website of the Ministry of Environment and u-learning training centers of universities of education should be used. Since content requires interaction not only between learners of the content but also between learners and operators, additional administrative and financial support should be provided. Second, this study focuses on the development of u-learning contents for elementary school students. Further studies are needed to develop content for secondary school students.
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