• Title/Summary/Keyword: Research Information Systems

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Estimating the Economic Burden of Premature Mortality Caused by Cancer in Iran: 2006-2010

  • Karami-Matin, Behzad;Najafi, Farid;Rezaei, Satar;Khosravi, Ardashir;Soofi, Moslem
    • Asian Pacific Journal of Cancer Prevention
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    • v.17 no.4
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    • pp.2131-2136
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    • 2016
  • Background: Cancer is currently one of the main public health problems all over the world and its economic burden is substantial both for health systems and for society as a whole. To inform priorities for cancer control, we here estimated years of potential life lost (YPLL) and productivity losses due to cancer-related premature mortality in Iran from 2006 to 2010. Materials and Methods: The number of cancer deaths by sex and age groups for top ten leading cancers in Iran were obtained from the Ministry of Health and Medical Education. To estimate the YPLL and the cost of productivity loss due to cancer-related premature mortality, the life expectancy method and the human capital approach were used, respectively. Results: There were 138,228 cancer-related deaths in Iran (without Tehran province) of which 76 % (106,954) were attributable to the top 10 ranked cancers. Some 63 % of total cancer-related deaths were of males. The top 10 ranked cancers resulted in 106,766,942 YPLL in total, 64,171,529 (60 %) in males and 42,595,412 (40%) in females. The estimated YPPLL due to top 10 ranked cancers was 58,581,737 during the period studied of which 32,214,524 (54%) was accounted for in males. The total cost of lost productivity caused by premature deaths because of top 10 cancers was 1.68 billion dollars (US$) from 2006 to 2010, ranging from 251 million dollars in 2006 to 283 million dollars in 2010. Conclusions: This study showed that the economic burden of premature mortality attributable to cancer is significant for Iranian society. The findings provide useful information about the economic impact of cancer for health system policy/decision makers and should facilitate planning of preventive intervention and effective resource allocation.

Therapeutic Effect of Dioctahedral Smectite on Diarrhea Caused by E. coli and Salmonella in Piglets (E. coli와 Salmonella에 의한 자돈설사에 있어서 Dioctahedral Smectite의 치료효과)

  • Jung, Won-Chul;Cha, Chun-Nam;Kim, Young-Il;Lee, Yeo-Eun;Yoo, Chang-Yeul;Kim, Suk;Lee, Hu-Jang
    • Journal of Veterinary Clinics
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    • v.27 no.4
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    • pp.378-381
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    • 2010
  • The objectives in the present study were to evaluate the therapeutic effect of dioctahedral smectite (smectite) against piglet diarrhea caused by E. coli and Salmonella. Of this study, twenty piglets (body weight, $6.60{\pm}0.34\;kg$) with diarrhea were used to estimate the efficacy of smectite on piglet diarrhea with 20% smectite suspension in PBS. Pigs were administered with 1 ml smectite suspension three times a day after feeding, and fecal samples were collected at the gate of treatment and on 1st, 2nd, 3rd, and 4th day after administration. Changes in body weight, diarrhea index, and shedding of E. coli and Salmonella were monitored during the experimental period. The group treated with smectite reduced diarrhea index (p < 0.01), and increased body weight compared to control group. In the treated group, the number of E. coli and Salmonella was significantly decreased compared to each control group (p < 0.01). From results of the present study, 20% smectite suspension had therapeutic effect on diarrhea caused by E. coli and Salmonella in piglets.

A Study on the Reviesd Methods of Missing Rainfall Data for Real-time Forecasting Systems (실시간 예보 시스템을 위한 우량자료 보정 기법 연구)

  • Han, Myoung-Sun;Kim, Chung-Soo;Kim, Hyoung-Seop;Kim, Hwi-Rin
    • Journal of Korea Water Resources Association
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    • v.42 no.2
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    • pp.131-139
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    • 2009
  • The weather accidents by global warming effect are increasing rapidly whole world. Flood forcasting system and hydrological database are operated by almost all the countries in the world. An objective of this study is to research revised methods of missing rainfall data and find more effective revised method for this operating system. 194 rainfall data of the Han river basin is used. Arithmetic average method, coefficient of correlation weighting method and inverse distance weighting method are compared to estimate revised methods. The result from the analysis shows that coefficient of correlation weighting method is best quantitatively among the 3 methods.

A Review of Science of Databases and Analysis of Its Case Studies (데이터베이스의 과학에 대한 고찰 및 연구 사례 분석)

  • Suh, Young-Kyoon;Kim, Jong Wook
    • Journal of KIISE
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    • v.43 no.2
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    • pp.237-245
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    • 2016
  • In this paper we introduce a novel database research area called science of databases (SoDB) and carry out a comprehensive analysis of its case studies. SoDB aims to better understand interesting phenomena observed across multiple database management systems (DBMSes). While mathematical and engineering work in the database field has been dominant, less attention has been given to scientific approaches through which DBMSes can be better understood. Scientific investigations can lead to better engineered designs through deeper understanding of query optimizers and transaction processing. The SoDB research has investigated several interesting phenomena observed across different DBMSes and provided several engineering implications based on our uncovered results. In this paper we introduce a novel scientific, empirical methodology and describe the research infrastructure to enable the methodology. We then review each of a selected group of phenomena studied and present an identified structural causal model associated with each phenomenon. We also conduct a comprehensive analysis on the case studies. Finally, we suggest future directions to expand the SoDB research.

Bandwidth Requirement Estimation Method for Future Wireless Railway Communication Systems (차세대 철도통합무선망을 위한 주파수 소요량 계산방법)

  • Jeong, Minwoo;Yoon, Hyungoo;Park, Duk-Kyu;Kim, Kyung-Hee;Lee, Sukjin
    • Journal of the Korean Society for Railway
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    • v.16 no.6
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    • pp.540-550
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    • 2013
  • The Future Wireless Railway Communication System(FWRCS) has attracted attention for the various advantages of such a system like efficient management, precise periodicity of operation and speedy travel. Related to it, the area of bandwidth requirement estimation for the FWRCS is being researched actively because there is a great need for accurate bandwidth distribution. In this paper, sophisticated bandwidth requirement estimation method for FWRCS is proposed by modifying ITU-R M.1390. With this method, the expected frequency requirements for the present, for five years from now, and for 10 years from now can be calculated by applying the data gathered from the actual field.

A Study on the Strategies of the Fashion Industry toward Fast Fashion (패스트 패션(Fast Fashion) 도입에 따른 패션 업계의 대응 전략 연구)

  • Lim, Sung-Min;Choi, Ju-Young;Kim, Mi-Sook
    • The Research Journal of the Costume Culture
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    • v.16 no.3
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    • pp.432-443
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    • 2008
  • Fast fashion is widely accepted in young generation who are eager to the new fashion trends. With the consumers' rapid adoption of fast fashion, fashion retailers have tried to adopt strategies to reflect current and emerging trends as quickly as possible and effectively in current merchandise assortment, raises important issues with respect to the processes of effective merchandise management. However, the concept of fast fashion has not been academically investigated and developed properly yet. Therefore, this study mainly reviewed secondary data such as leading fast fashion companies' website, newspaper articles and Zara's case study which covers fast fashion issues. Fast fashion gets widely spreading in market, current investigation showed that domestic fashion companies have adopted fast fashion concept in early stage. This study tried to examine characteristics and strategies used by fast fashion businesses to provide domestic fashion industry with valuable information of production and marketing strategies. Suggestions through the result are as follows: 1. Fast fashion requires flexible managing systems such as SCM, QRS and JIT in order to promote efficient production and assortment management from the entire supply chain. 2. Domestic fast fashion companies should build up not only quality of good design but also reasonable price and strengthen marketing strategies in order to compete with abroad fashion companies 3. Fashion companies that succeed in satisfying consumer's desire for new trend show that it has been successful their strategy to make market area wider to the world not focusing on domestic market.

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A study on Smart Water Grid through IT Convergence (IT 융합을 통한 스마트 워터그리드 추진방안에 대한 연구)

  • Kim, Dong-Hwan;Park, Kyung-Hye;Min, Kyung-Jin
    • Journal of Digital Convergence
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    • v.11 no.7
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    • pp.27-40
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    • 2013
  • Due to global population growth and urbanization, water problems are expected to increase in severity. In response to this expectation, Smart Water Management that refers to implement intelligent water information systems by IT convergence is considered a new paradigm. In this paper, we try to study the Smart Water policy, especially Smart Water Grid, and technology development trends in major countries. On the basis of results from the comparative analysis with Smart Grid in power sector, we evaluate political. legal, economic and technological feasibility related with the Smart Water Grid. In the conclusion, we suggest some strategic recommendations for the promotion of the Smart Water Grid.

Cooperative control system of the floating cranes for the dual lifting

  • Nam, Mihee;Kim, Jinbeom;Lee, Jaechang;Kim, Daekyung;Lee, Donghyuk;Lee, Jangmyung
    • International Journal of Naval Architecture and Ocean Engineering
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    • v.10 no.1
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    • pp.95-102
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    • 2018
  • This paper proposes a dual lifting and its cooperative control system with two different kinds of floating cranes. The Mega-erection and Giga-erection in the ship building are used to handle heavier and wider blocks and modules as ships and off-shore platforms are enlarged. However, there is no equipment to handle such Tera-blocks. In order to overcome the limit on performance of existing floating cranes, the dual lifting is proposed in this research. In the dual lifting, two floating cranes are well-coordinated to add up the lift capabilities of both cranes without any loss such that virtually a single crane is lifting, maneuvering and unloading. Two main constraints for the dual lifting are as follows: First, two barges of floating cranes should be constrained as a rigid body not to cause a relative motion between two barges and main hooks of the two cranes should be controlled as main hooks of a single crane. In order words, it is necessary to develop the cooperative control of two floating cranes in order to sustain a center of gravity of the module and minimize the tilting angle during the lifting and unloading by the two floating cranes. Two floating cranes are handled as a master-slave system. The master crane is able to gather information about all working conditions and make a decision to control the individual hook speed, which communicates the slave crane by TCP/IP. The developed control system has been embedded in the real floating crane systems and the dual lifting has been demonstrated five times at SHI shipyard in 2015. The moving angles of the lifting module are analyzed and verified to be suitable for hoisting control. It is verified that the dual lifting can be applied for many heavier and wider blocks and modules to shorten the construction time of ships and off-shore platforms.

Yijung-tang, a Traditional Herbal Formula, Exerts Anti-allergic Effect by Regulating Production of Th2-Type Chemokines and Cytokines (Th2 사이토카인 및 케모카인 분비 조절을 통한 이중탕의 항알러지 효능 연구)

  • Jeong, Soo-Jin;Seo, Chang-Seob;Lee, Mee-Young;Shin, Hyeun-Kyoo
    • Korean Journal of Pharmacognosy
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    • v.46 no.2
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    • pp.160-166
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    • 2015
  • Yijung-tang (YJT) is a traditional herbal formula comprising 4 medicinal herbs. In the present study, we performed the simultaneous analysis for three compounds of YJT and examined anti-allergic effects in vitro. The column for separation of three compounds was used Gemini C18 column and maintained at 40$^{\circ}C$. The mobile phase for gradient elution consisted of two solvent systems. To evaluate Th2 chemokines, YJT was treated into tumor necrosis factor (TNF)-${\alpha}$ and interferon (IFN)-${\gamma}$-stimulated HaCaT cells, and performed ELISA for thymus and activation regulated chemokine (TARC) and regulated on activation, normal T-cell expressed and secreted (RANTES). To measure Th2 cytokines, YJT was added into primary mouse splenocytes, and performed ELISA for interleukin (IL)-4, 5, 13. Calibration curves were acquired with r2 >0.9999. The contents of liquiritin, glycyrrhizin, and 6-gingerol in YJT were 4.50 mg/g, 11.10 mg/g, and 1.33 mg/g, respectively. YJT inhibited production of TARC and RANTES in TNF-${\alpha}$ and IFN-${\gamma}$-treated HaCaT cells. YJT also reduced production of IL-4, 5, and 13 in primary mouse splenocytes. In conclusion, our data will be a valuable information to improve quality control and anti-allergic effects of YJT.

Effect of a mixture of Galla rhois and Cinnamomum cassia extracts on susceptibility to the colonization of Campylobacter jejuni in broiler chickens

  • Cho, Byung-Wook;Lee, Soo-Mi;Cha, Chun-Nam;Yoo, Chang-Yeol;Son, Song-Ee;Kim, Suk;Lee, Hu-Jang
    • Korean Journal of Veterinary Research
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    • v.56 no.1
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    • pp.9-14
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    • 2016
  • The present study evaluated the effects of a mixture of Galla rhois and Cinnamomum cassia extracts (GCE) (1 : 1, w/w) on susceptibility to the colonization of Campylobacter (C.) jejuni in broilers. Eighty two-week-old broilers (n = 20 per group) were used to estimate the efficacy of GCE against C. jejuni infection via drinking water. Antibacterial activity testing revealed that the minimum bactericidal concentration of GCE against C. jejuni was 2.5 mg/mL. Broilers challenged with C. jejuni were administered 0.0 (Non-GCE), 2.5 (GCE-2.5), 5.0 (GCE-5.0) and 10.0 g/L (GCE-10) GCE for 7 days, and the cecal contents were collected from five broilers per group on the 1st, 3rd, 5th, and 7th day post-treatment. On day 3 post-administration, the number of C. jejuni in GCE-5.0 (p < 0.05) and GCE-10 (p < 0.01) was significantly decreased relative to Non-GCE, while on day 7 those in all GCE-treated groups were significantly decreased compared to the Non-GCE group (p < 0.001). Hematological and blood biochemical analysis revealed no significant differences in parameters between the Non-GCE and GCE-treated groups. Based on the results of the present study, GCE was identified as a safe and alternative candidate to suppress C. jejuni colonization in broilers.