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A hybrid LightGBM-LSTM machine learning model for short-term water level forecasting in the Mekong River BasinAccurate short-term forecasting of river water levels plays an important role in flood risk management and water resource planning. This study proposes a hybrid forecasting framework that integrates... Author: Dũng Nguyễn Đình, Trinh Nguyen Hien Keyword: Machine learning models Time series forecasting LightGBM LSTM Hybrid model Mekong river
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The results of culture snub-nose pompano (Trachinotus blochii Lacépède, 1801) in the “in Pond Raceway System” in Khanh Hoa provinceThe study aims to evaluate the environmental parameters and growth rate of snu-bnose pompano cultured in the “In Pond Raceway System - IPRS”. Fingerlings 5-6 cm in length were stocked at a density of... Author: Hà Nguyen Văn, Thiết Chu Chí, Dung Nguyen Thanh, Thảo Nguyen Thi Huong, Tan Tran Trong, Dang Nguyen Van, Bao Nguyen Tan Keyword: Snub-nose pompano In Pond Raceway System IPRS environmental parameters growth
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Applying PDCA model in managing Mathematics teaching activities in primary schools towards developing students' capacity - some theoretical issuesThe PDCA (Plan - Do - Check - Act) model is widely applied in quality management and can be adapted to suit educational settings, particularly in improving teaching quality and fostering student... Author: Hà Đỗ Thị Keyword: PDCA model mathematics teaching activities primary school student competencies management of mathematics teaching activities
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Group conflicts during collaborative learning: perceptions of students at a university in VietnamCollaborative learning, widely used in universities, fosters essential skills like critical thinking and teamwork through knowledge sharing. However, group conflict can hinder this process. This study... Author: Nguyen Dang Thi Keyword: Group conflict collaborative learning student’s perceptions factors challenges.
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Research on techniques to en-hance DDoS attack prevention using cumulative Sum and back-propagation algorithmsThis paper focuses on enhancing DDoS attack prevention ca-pabilities through the combination of the Cumulative Sum (CUSUM) algorithm and the Backpropagation method, aiming to detect attack indicators... Author: Phuong Hoang Thi Keyword: Network attack CUSUM algorithm Backpropagation algo-rithm Anti-spoofing DDoS attack
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Fiber dispersion measurements using Mach-Zehnder interferometer
We present an efficient technique for measuring chromatic dispersion using a modified Mach-Zehnder interferometer in conjunction with with a supercontinuum light source. Newport's femto White photonic... Author: Trung Lê Cảnh Keyword: Chromatic dispersion broad band light Mach-Zehnder interferometer
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Proposed essential features for an enterprise resource planning system for small and medium-sized enterprises in Vietnam: a case study in HanoiThe study investigates the characteristics of Enterprise Resource Planning (ERP) software that are most suitable for small and medium-sized enterprises (SMEs). It seeks to answer two key questions:... Author: Minh Trinh Nhat, Kim Oanh Tran Thi, Quang Ho Dinh Keyword: Enterprise Resource Planning (ERP) small and medium-size enterprises (SMEs) relevant features.
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A note on matchings and regularity of graphsLet G be a simple graph. We introduce the notion of comb-match(G), and prove that reg(I(G)) ⩽ comb-match(G)+1. This improves some known bounds. Author: Ha Dao Thi Thanh Keyword: Regularity Edge ideal Matching Cameron-Walker graph.
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AID OF THE GERMANY DEMOCRATIC REPUBLIC FOR THE RECONSTRUCTION OF VINH CITY, NGHE AN PROVINCE FROM 1973 TO 1980From 1973 to 1980, responding to the call of the government of the Democratic Republic of Vietnam, the Germany Democratic Republic provided aid for reconstruction, creating fundamental changes in the... Author: Cuong Le The, Thanh Luong Van Keyword: AID Germany Democratic Republic Democratic Republic of Vietnam Vinh city 1973-1980.
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Postharvest preservation of nghe an jujube (Ziziphus mauritiana) using a dipping method enriched with Schefflera heptaphylla leaf extractThis study evaluated the effectiveness of an edible coating containing 1.5% agar and 1% glycerol, supplemented with Schefflera heptaphylla leaf extract, for preserving jujube (Ziziphus mauritiana)... Author: Nguyen Huyen Thi, Thang Tran Dinh, Thanh Nguyen Tan Keyword: Postharvest preservation Ziziphus mauritiana antioxidant activity edible coating Schefflera heptaphylla
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