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A mediation system for continuous spatial queries on a unified schema using Apache Spark

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Big Earth Data 2024年第1期8卷 115-141页

作者： Thi thu trang Ngo François Pinet David Sarramia Myoung-Ah Kang UniversitéClermont Auvergne ISIMAAubièreFrance UniversitéClermont Auvergne INRAEUR TSCFClermont-FerrandFrance UniversitéClermont Auvergne CNRS/IN2P3LPCClermont-FerrandFrance

Recent advances in big and streaming data systems have enabled real-time analysis of data generated by Internet of Things(IoT)systems and sensors in various *** this context,many applications require integrating data from several heterogeneous sources,either stream or static *** such as Apache Spark are able to integrate and process large datasets from different ***,these frameworks are hard to use when the data sources are heterogeneous and *** address this issue,we propose a system based on mediation techniques for integrating stream and static data *** integration process of our system consists of three main steps:configuration,query expression and query *** the configuration step,an administrator designs a mediated schema and defines mapping between the mediated schema and local data *** the query expression step,users express queries using customized SQL grammar on the mediated ***,our system rewrites the query into an optimized Spark application and submits the application to a Spark *** results are continuously returned to *** experiments show that our optimizations can improve query execution time by up to one order of magnitude,making complex streaming and spatial data analysis more accessible.

关键词： Streaming data streaming data integration mediator geospatial data continuous queries

Natural products and food components with anti-Helicobacter pylori activities

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World Journal of Gastroenterology 2014年第27期20卷 8971-8978页

作者： Hiroaki Takeuchi vu thu trang Norihito Morimoto Yoshie Nishida Yoshihisa Matsumura Tetsuro Sugiura Department of Clinical Laboratory Medicine Kochi Medical School School of Biotechnology and Food Technology Hanoi University of Science and Technology

The bacterial pathogen Helicobacter pylori (H. pylori) colonizes in over half of the world’s population. H. pylori that establishes life-long infection in the stomach is definitely associated with gastro-duodenal diseases and a wide variety of non-gastrointestinal tract conditions such as immune thrombocytopenia. Triple therapy which consists of a proton pump inhibitor and combinations of two antibiotics (amoxicillin, clarithromycin or amoxicillin, metronidazol) is commonly used for H. pylori eradication. Recently, the occurrence of drug-resistant H. pylori and the adverse effect of antibiotics have severely weakened eradication therapy. Generally antibiotics induce the disturbance of human gastrointestinal microflora. Furthermore, there are inappropriate cases of triple therapy such as allergy to antibiotics, severe complications (liver and/or kidney dysfunction), the aged and people who reject the triple therapy. These prompt us to seek alterative agents instead of antibiotics and to develop more effective and safe therapy with these agents. The combination of these agents actually may result in lower a dose of antibiotics. There are many reports world-wide that non-antibiotic substances from natural products potentially have an anti-H. pylori agent. We briefly review the constituents derived from nature that fight against H. pylori in the literature with our studies.

关键词： Anti-Helicobacter pylori effect Natural product Food component In vitro and in vivo effects Human health Helicobacter pylori treatment Combined effect

Recognition in Shape and Form’s Characteristics of Japanese&vietnamese Traditional Daily Products

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Journal of Literature and Art Studies 2019年第7期9卷 720-736页

作者： Ngo Thi thu trang University of Architecture Ho Chi Minh City Ho Chi Minh CityVietnam

This paper presents the major analyses carried out on shape and form’s characteristic database from Japanese and vietnamese traditional daily products(TDPs).The aim of the research is to recognize the vital specifications representing for a national style by comparing two different countries *** using Quantification Theory Type III and Cluster analysis,firstly,the analyses were undergone separately for Japanese and then vietnamese product data in succession so that a view of general direction for each country was *** result showing a difference in scale of“Complexity”and“Specification”axis between Japan and vietnam leads to performance of the analysis done on combine database of the two countries to get a clearer view of correlation between ***,the biggest difference between the two countries lies in“Form”(Geometric—Organic)***,for studying more deeply into outline of product shape,the main ratios that affect the appearance or gorgeousness of product’s outline were taken into account and *** comparing this result to the previous ones,finally a wider and more detail perspective of Japan and vietnam shape’s specification in a mutual relationship was discovered.

关键词： shape and form Japan and vietnam traditional daily products national characteristics

Modified TiO_(2)/In_(2)O_(3) heterojunction with efficient charge separation for visible-light-driven photocatalytic CO_(2) reduction to C_(2) product

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Journal of Energy Chemistry 2024年第11期98卷 714-720页

作者： Mengfang Liang Xiaodong Shao Ji Yoon Choi Young Dok Kim trang thu Tran Jeongyong Kim Yosep Hwang Min Gyu Kim Yunhee Cho Sophia Akhtar Hyoyoung Lee Department of Chemistry Sungkyunkwan University(SKKU)Suwon 16419Republic of Korea CO_(2) to Multicarbon Production Center Sungkyunkwan UniversitySuwon 16419Republic of Korea Institute for Quantum Biophysics(IQB) Sungkyunkwan UniversitySuwon 16419Republic of Korea Creative Research Institute Sungkyunkwan UniversitySuwon 16419Republic of Korea Beamline Research Division Pohang Accelerator Laboratory(PAL)Pohang University of Science and TechnologyPohang 37673Republic of Korea Department of Energy Science Sungkyunkwan UniversitySuwon 16419Republic of Korea

Utilizing sunlight to convert CO_(2) into chemical fuels could address the greenhouse effect and fossil fuel crisis,Heterojunction structure catalysts with oxygen vacancy are attractive in the field of photocatalytic CO_(2) ***,a modified TiO_(2)/In_(2)O_(3)(R-P2 5/In_(2)O_(3-x)) type Ⅱ heterojunction composite with oxygen vacancies is designed for photocatalytic CO_(2) reduction,which exhibits excellent CO_(2) reduction activity,with a C_(2) selectivity of 56.66%(in terms of R_(electron)).In situ Fourier-transform infrared spectroscopy(DRIFTS) and time-resolved photoluminescence(TR-PL) spectroscopy are used to reveal the intermediate formation of the photocatalytic mechanism and photogenerated electron lifetime,*** experimental characterizations reveal that the R-P25/In_(2)O_(3-x) composite shows a remarkable behavior for coupling C-C ***,efficient charge separation contributes to the improved CO_(2) conversion performance of *** work introduces a type Ⅱ heterojunction composite photocatalyst,which promotes understanding the CO_(2) reduction mechanisms on heterojunction composites and is valuable for the development of photocatalysts.

关键词： Heterojunction Oxygen vacancy Photocatalytic CO_(2)reduction C_(2)product Charge separation

A Data Collection on Secondary School Students’STEM Performance and Reading Practices in an Emerging Country

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Data Intelligence 2021年第2期3卷 336-356页

作者： Quan-Hoang vuong viet-Phuong La Manh-Toan Ho Thanh-Hang Pham thu-trang vuong Ha-My vuong Minh-Hoang Nguyen Centre for Interdisciplinary Social Research Phenikaa UniversityYen Nghia WardHa Dong DistrictHanoi 100803Vietnam A.I.for Social Data Lab Vuong&AssociatesDong Da DistrictHanoi 100000Vietnam School of Business and Management RMIT Vietnam UniversityHanoi 100000Vietnam

Science,technology,engineering,and mathematics(STEM)education has become a critical factor in promoting sustainable ***,book reading is still an essential method for cognitive development and knowledge *** developing countries where STEM teaching and learning resources are limited,book reading is an important educational tool to promote ***,public data sets about STEM education and book reading behaviors in emerging countries are *** article,therefore,aims to present a data set of 4,966 secondary school students from a school-based data collection in *** data set comprises of five major categories:1)students’personal information(including STEM performance),2)family-related information,3)book reading preferences,4)book reading frequency/habits,and 5)classroom *** introducing the designing principles,the data collection method,and the variables in the data set,we aim to provide researchers,policymakers,and educators with well-validated resources and guidelines to conduct low-cost research,pedagogical programs in emerging countries.

关键词： STEM education Socio-economic status Book reading Emerging country Students

Anti-inflammatory effects of alkaloid enriched extract from roots of Eurycoma longifolia Jack

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Asian Pacific Journal of Tropical Biomedicine 2019年第1期9卷 18-23页

作者： Dao Thi Thanh Hien Tran Phi Long Tran Phuong Thao Jeong-Hyung Lee Duong thu trang Nguyen Thi thu Minh Pham van Cuong Do Thi Ngoc Lan Nguyen Hai Dang Nguyen Tien Dat Deparment of Traditional Pharmacy Hanoi University of Pharmacy Department of Biochemistry College of Natural Sciences Kangwon National University Advanced Center for Bio-organic Chemistry Institute of Marine Biochemistry Vietnam Academy of Science and Technology National Institute of Drug Quality Control Center for Research and Technology Transfers

Objective: To examine the in vitro and in vivo anti-inflammatory effects of the alkaloid enriched extract(ELA) from the roots of Eurycoma longifolia. Methods: The in vitro antiinflammatory effects of ELA were evaluated by examining its inhibitory activities against nitric oxide(NO) production and inducible nitric oxide synthase(iN OS) and cyclooxygenase2(COX-2) expressions in lipopolysaccharide(LPS)-stimulated RAW264.7 cells. The level of NO produced in the culture media was determined by Griess method. The i NOS and COX-2 protein expressions were analyzed by Western blot. The in vivo effect of ELA was evaluated on LPS-induced septic shock in mice model. Mice mortality was monitored for5 days after injection of LPS. The chemical contents of the ELA were determined by using various chromatographic and spectroscopic techniques. Results: The ELA was found to exhibit a significant anti-inflammatory effect in both in vitro and in vivo models. The results demonstrated that ELA dose-dependently inhibited LPS-induced NO production as well as the protein iN OS and COX-2 expressions. In the septic shock model, ELA dose-dependently protected mice from LPS-induced mortality. Further study on the isolated components of ELA indicated that 9,10-dimethoxycanthin-6-one may contribute significantly to the antiinflammatory effects of the extract. Conclusions: These results suggest that ELA exhibits the anti-inflammatory activity via suppression of pro-inflammatory mediators such as NO, iN OS,and COX-2 and protects mice from LPS-induced mortality in septic shock model.

关键词： Eurycoma longifolia Anti-inflammation Alkaloid 9,10-dimethoxycanthin-6-one

Prevalence and risk factors associated with long COvID symptoms in children and adolescents in a southern province of vietnam

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Asian Pacific Journal of Tropical Medicine 2024年第3期17卷 119-128,I0001,I0002页

作者： Huynh Ngoc Linh Nguyen The Tan Le Thi Minh thu Nguyen Tu Loan Nguyen Thi To Uyen Le Thanh Thao trang Truong Thanh Nam Doan Hoang Phu Faculty of Medicine Ca Mau Medical CollegeCa Mau 98000Vietnam Ca Mau Obstetrics and Pediatrics Hospital Ca Mau 98000Vietnam Faculty of Basic Science and Public Health Dong Thap Medical CollegeDong Thap 81000Vietnam Graduate University of Sciences and Technology Vietnam Academy of Science and TechnologyHa Noi 10000Vietnam Community Public Health Research Program School of Public HealthWalailak UniversityNakhon Si Thammarat 80160Thailand Faculty Public Health Can Tho University of Medicine and PharmacyCan Tho City 94000Vietnam Doctoral Program in Health Sciences College of Graduate StudiesWalailak UniversityNakhon Si Thammarat 80160Thailand

Objective:To investigate the prevalence and risk factors associated with long COvID symptoms among children and adolescents who have recovered from ***:This study applied a cross-sectional approach within community settings in a southern province of vietnam.A structured questionnaire featuring socio-demographic information and common long COvID symptoms was *** correlation coefficients assessed associations among pairs of long COvID ***,multivariable logistic regression models were performed to investigate the risk factors of long COvID in recovered COvID-19 children and ***:Among 422 participants,39.3%reported long COvID symptoms,with a prevalence of 45.2%(SD=0.5)in children and 22.2%(SD=0.4)in *** symptoms reported were cough 34.6%(SD=0.5),fatigue 20.6%(SD=0.4),shortness of breath 10.9%(SD=0.3),and lack of appetite 6.6%(SD=0.3).Concerning risk factors of long COvID,a higher risk was observed among demographic groups,including girls(OR 1.25,95%CI 1.15-1.37;Pverweight individuals(OR 1.14,95%CI 1.02-1.27;P=0.018,reference:healthy weight),and participants without any COvID-19 vaccination(OR 1.36,95%CI 1.20-1.54;Pve received only one single dose(OR 1.35,95%CI 1.10-1.64;P=0.004)compared to those who have received two ***,patients with a COvID-19 treatment duration exceeding two weeks also had a higher risk of long COvID(OR 1.32,95%CI 1.09-1.60;P=0.003)than those who recovered less than seven ***:The insights from this study provide crucial guidance for predicting the factors associated with the occurrence of long COvID in pediatric patients,contributing to strategic interventions aimed at mitigating the long COvID risks among children and adolescents in vietnam.

关键词： Long COvID Prevalence Risk factors Children Adolescent vietnam

Polluter Pays Principle： Who Pays for Industrial Waste in Ho Chi Minh City, vietnam

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Journal of Environmental Science and Engineering(A) 2012年第1期1卷 100-106页

作者： Nguyen Thi thu trang Kosuke Toshiki Shoichi Kunikane Department of Environmental Health Sciences University of ShizuokaShizuoka 422-8526Japan

Rapid industrialization in vietnam has resulted in the difficult task of finding means to properly manage the generation of industrial waste. In an attempt to deal with this problem, the vietnamese government revised the Law on Environmental Protection of 2005, with which it imposed strict regulations on industrial waste generators and the waste they discharge. However, questions remain about the current industrial solid waste management system because of the discrepancy between the ideals embodied in the Law and the actual practices occurring in industry. We report here on the effectiveness of governmental policies, focusing on environmental performance in industrial zones in Ho Chi Minh City （HCMC）, vietnam. We examined government records, and reports from waste generators, as well as waste treatment methods at sites. In addition, on-site surveys were carried out at 44 companies in HCMC in 2009 and 2010 to obtain a better understanding of the companies＇ handling of and attitude toward the industrial waste they produced. Our results show that the incoherence of the revised Law and regulations in industrial waste management has caused a serious pressure on domestic landfills. We conclude that there is a strong need for change in the current regulatory and management system in order to increase the effectiveness of environmental management for future sustainable development.

关键词： Environmental policy industrial waste management environmental performance sustainable development.

Estimation of Waste Generation and Recycling Potential from Traditional Market: A Case Study in Hue City, vietnam

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Journal of Environmental Protection 2015年第4期6卷 308-320页

作者： Yasuhiro Matsui Do Thi thu trang Nguyen Phuc Thanh Graduate School of Environmental and Life Science Okayama University Okayama Japan Hitachi Zosen Corp Osaka Japan

This study was conducted to provide a detailed description of waste generation and characteristics from a traditional market in Hue city, located in central vietnam. The authors conducted a waste generation survey and a waste composition survey for 309 stalls/vendors in five markets by 17 business categories for 10 consecutive days. The waste generation rates by stall/vendor and by floor area were assessed in three waste categories: general waste, recyclable, and food residues. The general waste that would be sent to a landfill site was classified into 10 physical categories and 77 sub-categories. For general waste, food waste accounted for the largest part, followed by plastic and grass. By multiplying the waste generation rate by stall/vendor by the total number of stall/vendors in 23 markets, the authors estimated the total amounts of general waste, recyclable, food residue and total waste by business category. The total waste generated from market was 17.0 tons/day, of which 4.6 tons (27.1%) were collected by pig farmers for feeding livestock and 0.6 tons (3.6%) were sold to the recycling market. The composting potential accounted for 55.2% of total waste generation from the traditional market in Hue. The recycling potential accounted for 5.1%. The total disposal amount sent to the landfill site would be reduced from 69.2% to 8.8% of the total. The 95% confidence interval (CI) of total waste amount from 23 markets was also estimated using Monte Carlo simulation based on the mean and standard error of the waste generation rate. The range of 95% CI was 14.9 - 18.9 tons/day.

关键词： Traditional Market Recycling Potential Composting Potential