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Mobile Guidance System for Evacuation based on Wi-Fi System and Node Architecture

  • Raju, Timalsina;Kim, Woo Sung
    • Journal of Information Technology Applications and Management
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    • v.26 no.5
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    • pp.41-56
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    • 2019
  • Recently great loss of life and property is occurring because of fire, natural disaster, earth quake, tsunami and so on. People spend 80~90% of their time indoor environment like office, supermarket, campus. Therefore Indoor navigation and guidelines system became so essential for most of all. Incase of emergency we must be careful earlier, in such a cases 5G kind of new technology may also cannot work. So immediate action and quick routing notification for guidelines and protection is the most. Considering this issue We proposed indoor evacuating guidance system based on microcontroller Wi-Fi board for Indoor APP using mobile. Focusing various kind of technology like, ok google, voice search APP we purposed node architecture based system. When we listen fire alarm while living inside the room. Then to be safe we connect with server and start Arduino UNO+IoT ESP8266 Wi-Fi shield version1-IoT module to store data in MySQL DB server. We make application to escape out from the building up-to the three exits giving information from source point to destination. Our program can send information to the users emergency location and situations. For this when the user get sound or vibration in their mobile device it indicate fire out near by. At that time we update message from Arduino to DB server for the fixed current position inside the building which give routing signal for that fire out location by changing values from 0 to 1. We have user in point 10 where user is near by. Later we detect Wi-Fi signal form Nodemcu as room of each floor and try to connect with user. Main purpose of this paper is to save life of people in short time and find out the shortest path up to nearest exits in the time of emergencies and rescue them.

Hand Surgery Fellowship Selection Criteria: A National Fellowship Director Survey

  • Egro, Francesco M.;Vangala, Sai K.;Nguyen, Vu T.;Spiess, Alexander M.
    • Archives of Plastic Surgery
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    • v.44 no.5
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    • pp.428-433
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    • 2017
  • Background Candidate characteristics for hand surgery fellowship training remains unknown, as very little data is available in the literature. This study aims to provide information on the criteria that are employed to select candidates for the hand surgery fellowship match. Methods A 38-question survey was sent in April 2015 to all Accreditation Council for Graduate Medical Education recognized hand surgery fellowship program directors (n=81) involved in the U.S. match. The survey investigated factors used for the selection of applicants, including medical school, residency training, research experience, fellowship interview, and candidate characteristics. A 5-point Likert scale was used to grade 33 factors from "not at all important" (1) to "essential in making my decision" (5); or for five controversial factors from "very negative impact" (1) to "very positive impact in making my decision" (5). Results A total of 52% (42 out of 81) of responses were received from hand surgery fellowship program directors. The most important influential factors were interactions with faculty during interview and visit ($4.6{\pm}0.6$), interpersonal skills ($4.6{\pm}0.5$), overall interview performance in the selection process ($4.6{\pm}0.6$), professionalism and ethics ($4.6{\pm}0.7$), and letters of recommendation from hand surgeons ($4.5{\pm}0.7$). Factors that have a negative impact on the selection process include visa requirement ($2.1{\pm}1.2$), graduate of non-plastic surgery residency program ($2.4{\pm}1.3$), and graduate of a foreign medical school ($2.4{\pm}1.1$). Conclusions This study provides data on hand surgery fellowship directors' perception on the criteria important for fellowship applicant selection, and showed that interview-related criteria and letters of recommendation are the important factors.

Evaluation of Human Papillomavirus Infections in Prostatic Disease: a Cross-Sectional Study in Iran

  • Ghasemian, Ehsan;Monavari, Seyed Hamid Reza;Irajian, Gholam Reza;Nodoshan, Mohammad Reza Jalali;Roudsari, Rouhollah Vahabpour;Yahyapour, Yousef
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.5
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    • pp.3305-3308
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    • 2013
  • Background: The role of inflammation in prostate diseases is suggested by the presence of inflammatory cells within the prostate in benign prostatic hyperplasia (BPH) and prostate cancer (PCa) patients. In addition, bacterial and viral infection may lead to chronic and recurrent inflammation of the prostate. The human papillomaviruses (HPVs) are a family of sexually transmitted viruses which have been implicated in the aetiology of cervical cancer and several other malignancies. This study evaluated the frequency of HPV infection in individuals with prostatic disease in Iran. Materials and Methods: The study included formalin fixed paraffin- embedded tissue samples of 196 primary prostate cases, including 29 PCa and 167 BPH samples. HPV DNA was purified and amplified through MY09/MY11 and GP5+/GP6+ primers with nested PCR. All patients were interviewed using a questionnaire to collect demographic information. Results: Nested PCR showed that HPV DNA was found in 17.2 percent of PCa samples and 4.8 percent of BPH samples (not significant). Conclusions: Our data do not support a significant role of HPV infection in prostatic disease in Iranian patients, but demographic data indicated a probable association between presence of HPV DNA and risk of inflammation in prostate tissue which might lead to prostate carcinoma. Further studies are required to elucidate any roles of HPV infection in prostatic disease.

Study on input data for developing virtual fitting model at internet apparel shopping sites and comparison of the results (인터넷 의류 판매 사이트의 가상피팅모델 구축을 위한 입력정보 종류와 결과 비교)

  • 천종숙;최현영
    • Science of Emotion and Sensibility
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    • v.5 no.4
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    • pp.1-10
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    • 2002
  • A web based virtual try-on provides customers a more enjoyable shopping experience that visualize clothes on personal mannequin. The researchers compared virtual fitting models which were developed in 2000 at Korea and in 2000 and 2002 at U.S. The results of this study as follows: The information about user's body size was required to input for selection of a virtual fitting model. 7 to 19 different body size, shape, and face features including weight and height were needed for visualizing virtual fitting model. The body type of the U.S virtual fitting model(My virtual model) was selected by front view silhouette for women, and by shoulder width and midriff silhouette for men. The more detailed information was required for developing Korean virtual fitting model. The additional body size information required in the site were leg and arm lengths, waist length, and thigh and ankle circumferences. The body proportion of Korean cyber personal mannequin was longer and narrower than the U.S cyber personal mannequin. It was recommended that standardized body length, width, and depth proportions calculated from national anthropometric data must be applied for developing Korean virtual fitting model. With application of more detailed information on face feature and advanced graphic image technology the 'My virtual model in 2002 resembled the human body shape of various race.

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A Study of Hospital Nurse's Intention to Keep Nursing Job (병원간호사의 재직의도)

  • Lee, Eun Hee;Cho, Kyung Sook;Son, Haeng-Mi
    • Journal of Korean Clinical Nursing Research
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    • v.20 no.1
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    • pp.15-27
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    • 2014
  • Purpose: The purpose of this study was to identify nurse's intention to keep current job in the hospital. Methods: Data were collected from 1,143 nurse's working in over 300 beds hospital. The questionnaire with 47 items was developed by researchers to measure nurse's intention to keep his/her current nursing job in hospital. The questionnaire was developed through a focus group interview asking nurse's about their work experiences and literature review, and validated by researchers. Using descriptive statistics, data were analyzed in frequency and severity of nurse's intention to keep nursing job. The Cronbach's ${\alpha}$ of the questionnaire was .906. Results: The mean score of nurse's intention to keep current nursing job was 2.66. The highest mean scores of item of nurse's intention to keep nursing job was "as a nurse it is my duty to help others" ($3.19{\pm}0.45$), and the lowest was "the rotating shift helps me doing housework and raise for my kids" ($1.77{\pm}0.64$). And there are significant differences between period of working (F=9.71, p<.001), current position (F=5.91, p<.001), educational level (F=13.44, p<.001), and impulse experience of changing a job (F=71.20, p<.001). Conclusion: The findings of this study showed possibilities to develop programs for heightening the pride of professional nurse and increasing nurse's intention to keep nursing job in order to increase nurse's professional satisfaction and achievement.

Experiences of Korean Women in Choosing the Date of Childbirth (산모의 출산 택일 경험에 관한 융합적 연구)

  • Lee, Hyerim;Kim, Yoonjung
    • The Journal of the Convergence on Culture Technology
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    • v.6 no.2
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    • pp.1-8
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    • 2020
  • The purpose of this study was to explore the experience of choosing the best days for childbirth and to understand the nature and meaning of the experience. The qualitative method of data collection was used, and in-depth face-to-face interview were conducted. Participants included four women who had given the day of birth set as the desired date. Van Manen's phenomenological method was adopted to analyze data. Four theme clusters emerged from the analysis: "The first gift to my baby"; "Collaboration with others for my baby"; "Choosing a date for childbirth such as blueprint of child"; and "Complex feelings." Our findings helped in understanding the experience of Korean women in choosing the best days for childbirth. Health care providers should offer appropriate advice and show sufficient empathy as well as emotional support by considering cultural expectations.

A Study about Performance Evaluation of Various NoSQL Databases (다양한 NoSQL 데이터베이스의 성능 평가 연구)

  • Park, Hong-Jin
    • The Journal of Korea Institute of Information, Electronics, and Communication Technology
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    • v.9 no.3
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    • pp.298-305
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    • 2016
  • Various NoSQL databases are more excellent to process a large amount of big data than existing relational databases such as MySQL, PostgreSQL and Oracle. Among widely used NoSQL databases, performance of HBase, Cassandra, MongoDB and Redis was comparatively assessed. For distributed processing of a large amount of data, 12 servers were connected through switching hub and Ubuntu was installed as operating system. As for benchmark tool, YCSB was applied. Read and update ratios changed from 50% and 50%, 95% and 5% and finally, 100% and 0% and each of them was assessed as 200,000 commands developed into 1,200,000 commands for each case. Cassandra was most excellent with transaction processing per second while MongoDB was most excellent with the number of processes carried out per unit time.

Mothers' experience of caring for home-quarantined children after close contact with COVID-19 in Korea: an exploratory qualitative study

  • Lee, Hyeyeon;Kim, Mihui;Kim, Ocksim;Kim, Sue;Choi, Seongmi
    • Women's Health Nursing
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    • v.27 no.3
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    • pp.220-229
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    • 2021
  • Purpose: The world saw a shift into a new society consequent to the coronavirus disease 2019 (COVID-19), which made home quarantine mandatory for a person in close contact with those who tested positive. For children, however, home quarantine was not limited only to themselves but parents, especially mothers were involved and required to quarantine. This qualitative study aims to explore and understand mothers' experience and their related psychosocial issues while caring for their school-aged children in Korea, who had to home quarantine after coming in close contact with COVID-19 positive individuals. Methods: Data were collected from October 2020 to January 2021 via in-depth, semi-structured interviews with nine mothers of children who had to home quarantine. Interviews were conducted face-to-face in an independent space near the participant's home or workplace (n=5) or via online platforms or telephone (n=4). The data were analyzed using thematic analysis through several iterative team meetings. Results: Thematic analysis revealed the following four themes: "Unable to be relieved due to uncertain situations surrounding me," "Blame and hurt toward me, others, and one another," "Pulling myself together for my children in my broken daily life," and "Changes in the meaning of life amid COVID-19." Conclusion: The narratives show that mothers experienced psychosocial difficulties while caring for their children during home quarantine. It is necessary to reduce the social stigma toward individuals in home quarantine and establish policies to ensure work-family compatibility for such mothers.

Women's Religious Engagement at Daesoon Jinrihoe's Yeoju Headquarters (大巡真理會的女性宗教參與 : 以驪州本部道場為例)

  • Li, Yuchen
    • Journal of the Daesoon Academy of Sciences
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    • v.34
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    • pp.75-105
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    • 2020
  • Previous scholars have studied Daesoon Jinrihoe mainly through its scriptures and doctrines; however, in this essay I have combined data from a questionnaire with interviews I conducted to observe women's religious engagement from their own perspectives. I conducted my fieldwork from October 23 to 26 at Yeoju Headquarters in Korea and received 81 questionnaire replies. This ongoing project will shed light on the niche for women in Korean new religious movements. This essay is divided into three parts. First, I reviewed 5 articles on general attitudes towards women within Daesoon Jinrihoe to serve as a doctrinal introduction. Second, I used the Ladies Club, the Women's Assembly of the Department of Social Welfare, and female students from the Inter- national Volunteers Association to better understand women's participation and education in Daesoon Jinrihoe on an institutional level. Third, I issued a questionnaire in order to learn respondents' sex, age, educational background, and birth place and used those data points determine patterns in how the above influence religious participation and positions in Daesoon Jinrihoe. My investigation showed that both the self-expectation and division of labor among the followers at Yeoju Headquarter were affected by and corresponded to social gender roles. Moreover, the emphasis on missionary work rather than centralized hierarchy contributed to a reduction in the influence of gender-segregation and led to relative coherence in terms of gender relations within Daesoon Jinrihoe.

Evaluation of Storage Engine on Edge-Based Lightweight Platform using Sensor·OPC-UA Simulator (센서·OPC-UA 시뮬레이션을 통한 엣지 기반 경량화 플랫폼 스토리지 엔진 평가)

  • Woojin Cho;Chea-eun Yeo;Jae-Hoi Gu;Chae-Young Lim
    • The Journal of the Convergence on Culture Technology
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    • v.9 no.3
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    • pp.803-809
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    • 2023
  • This paper analyzes and evaluates to optimally build a data collection system essential for factory energy management systems on an edge-based lightweight platform. A "Sensor/OPC-UA simulator" was developed based on sensors in an actual food factory and used to evaluate the storage engine of edge devices. The performance of storage engines in edge devices was evaluated to suggest the optimal storage engine. The experimental results show that when using the RocksDB storage engine, it has less than half the memory and database size compared to using InnoDB, and has a 3.01 times faster processing time. This study enables the selection of advantageous storage engines for managing time-series data on devices with limited resources and contributes to further research in this field through the sensor/OPC simulator.