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  1. No Access

    Article

    Antioxidant and α-glucosidase inhibitory potential of the pollen of Hibiscus spp.

    Hibiscus species are flowering plants of the Malvaceae family. Hibiscus are widely distributed in tropical and subtropical regions and play an important role not only in ornamental aspects but also traditional me...

    Sang Won Yeon, Hae-Yun Kwon, Yunmi Park in Horticulture, Environment, and Biotechnolo… (2024)

  2. No Access

    Chapter

    Anomalous Node Detection in a Graph Considering Text Features

    Recently, anomaly detection methods for graph nodes have been actively researched in various fields. Most of the previous studies designed models using graph neural networks (GNNs) to detect outliers. Anomaly ...

    Yeonju Song, Ki Yong Lee in Software Engineering and Management: Theory and Application (2024)

  3. No Access

    Article

    Adhesion with Aluminum for Material Surfaces Additively Manufactured by Directed Energy Deposition

    The adhesion of aluminum to molds or tools is common during the production of aluminum alloy products for vehicle light weighting. It reduces the productivity and quality, and thus, it needs to be prevented. T...

    Ju-Young Jeong, Hyun-Sung Kang, Su-Ho Kim in International Journal of Precision Enginee… (2023)

  4. Article

    Open Access

    Identification of compounds using HPLC-QTOF-MS online antioxidant activity map** from aerial parts of Ligularia stenocephala

    Inflammation, diabetes, and even malignancies are pharmacological effects connected by antioxidant capacity and free radicals. Many antioxidants scavenge free radicals originating from dietary sources such as ...

    Yoo Kyong Han, Le Ba Vinh, Mi-hyun Nam, Ki Yong Lee in Applied Biological Chemistry (2023)

  5. Article

    Open Access

    DeepSAT: Learning Molecular Structures from Nuclear Magnetic Resonance Data

    The identification of molecular structure is essential for understanding chemical diversity and for develo** drug leads from small molecules. Nevertheless, the structure elucidation of small molecules by Nuc...

    Hyun Woo Kim, Chen Zhang, Raphael Reher, Mingxun Wang in Journal of Cheminformatics (2023)

  6. No Access

    Article

    Phenomenological Modeling of Distortions and Residual Stresses in Direct Energy Deposition of AISI M4 High Speed Tool Steel on D2 Substrate

    This study aimed to develop a computational methodology to estimate the residual stress formation behavior followed by direct energy deposition of high-speed tool steel hard materials. First, evolutions of sub...

    Kyeongsik Ha, Young Hoon Moon, Tae Hwan Kim in Metals and Materials International (2023)

  7. No Access

    Article

    Wear resistance of direct-energy–deposited AISI M2 tool steel with and without post-heat treatment

    In this study, the wear resistance of AISI M2 high-speed tool steel produced using direct energy deposition (DED) was investigated in detail. Wear behavior was studied under different wear loads and sliding sp...

    Young Keun Park, Kyeongsik Ha in The International Journal of Advanced Manu… (2021)

  8. No Access

    Article

    Control of crack propagation on SUS316 plate by laser-induced patterning: heat treatment and cladding

    A practical method is proposed to control the direction of crack propagation and to generate a crack-growth-proof (CGP) zone on a metal plate using laser induced line patterns: heat treatment and cladding. To ...

    Yeong-Kwan Jo, Jae-Hyun Yu, Ki-Yong Lee in Journal of Mechanical Science and Technolo… (2020)

  9. Article

    Open Access

    Hierarchical phononic crystals for filtering multiple target frequencies of ultrasound

    Hierarchically structured phononic crystals are proposed for filtering multiple frequency bands. The advantages of using structural hierarchy come from its multiscale periodicity and the increased number of co...

    Ki Yong Lee, Wonju Jeon in Scientific Reports (2020)

  10. No Access

    Article

    Investigation into High-Temperature Interfacial Strength of Heat-Resisting Alloy Deposited by Laser Melting Process

    This paper presents an investigation of the interfacial strength between a material deposited on a substrate via direct energy deposition (DED) process. Using the DED process, a powder of the hot work tool ste...

    Jong Youn Son, Hi Seak Yoon, Ki Yong Lee in Metals and Materials International (2020)

  11. No Access

    Article

    Thin Filament Pyrometry Field Measurements in a Medium-Scale Pool Fire

    This paper presents the development of a thin filament pyrometry method to characterize the time-varying temperature field in a medium-scale pool fire burning in a quiescent environment. A digital camera with ...

    Zhigang Wang, Wai Cheong Tam, Jian Chen, Ki Yong Lee, Anthony Hamins in Fire Technology (2020)

  12. Article

    Open Access

    Author Correction: Structure-Activity Relationships of Baicalein and its Analogs as Novel TSLP Inhibitors

    An amendment to this paper has been published and can be accessed via a link at the top of the paper.

    Bernie Byunghoon Park, Jae Wan Choi, Dawon Park, Doyoung Choi in Scientific Reports (2020)

  13. Article

    Open Access

    Structure-Activity Relationships of Baicalein and its Analogs as Novel TSLP Inhibitors

    Thymic stromal lymphopoietin (TSLP) plays an important role in the differentiation and proliferation of Th2 cells, resulting in eosinophilic inflammation and numerous allergic diseases. Baicalein (1), a major com...

    Bernie Byunghoon Park, Jae Wan Choi, Dawon Park, Doyoung Choi in Scientific Reports (2019)

  14. No Access

    Article

    Metal embedding and ultrasonic nanocrystal surface modification technology for super wear-resistant mechanical parts

    High wear resistance is required for various mechanical parts that are in frequent physical contact with other mechanical parts, especially in heavy equipment, railways, and vehicles. For this reason, we propo...

    Jae-Hyun Yu, Ki Yong Lee, Do-Sik Shim in The International Journal of Advanced Manu… (2019)

  15. No Access

    Chapter and Conference Paper

    An Effective Method for Detecting Outlying Regions in a 2-Dimensional Array

    devices and simulation programs are widely used, a large amount of output data is being generated in the form of a 2-dimensional (2D) array. To facilitate the post data processing, it is of critical impor...

    Ki Yong Lee, Young-Kyoon Suh in Big Data Applications and Services 2017 (2019)

  16. No Access

    Chapter and Conference Paper

    Efficient Mining of Time Interval-Based Association Rules

    log data, it is very useful to find two sets of items or events that occur frequently with a regular time interval. We call a time-dependent relationship between two itemsets a time interval-based associat...

    Ki Yong Lee, Young-Kyoon Suh in Big Data Applications and Services 2017 (2019)

  17. No Access

    Chapter and Conference Paper

    PEGASEF: A Provenance-Based Big Data Service Framework for Efficient Simulation Execution on Shared Computing Clusters

    years simulation programs have been aggressively employed to solve complex problems in a variety of computational science and engineering disciplines. As those programs are shared in an online platfor...

    Young-Kyoon Suh, Ki Yong Lee, Nakhoon Baek in Big Data Applications and Services 2017 (2019)

  18. No Access

    Article

    A pattern-based outlier region detection method for two-dimensional arrays

    Recently, with the prevalence of various sensing devices and numerical simulation software, a large amount of data is being generated in the form of a two-dimensional (2D) array. One of the important tasks for...

    Ki Yong Lee, Young-Kyoon Suh in The Journal of Supercomputing (2019)

  19. Article

    Open Access

    A survey of simulation provenance systems: modeling, capturing, querying, visualization, and advanced utilization

    Research and education through computer simulation has been actively conducted in various scientific and engineering fields including computational science engineering. Accordingly, there have been a lot of at...

    Young-Kyoon Suh, Ki Yong Lee in Human-centric Computing and Information Sciences (2018)

  20. No Access

    Article

    Laminar flame speeds for n-butanol/air mixtures at elevated pressures and temperatures: An experimental and numerical study

    Laminar flame speeds of n-butanol/air premixed flames were measured experimentally and numerically at elevated pressures and temperatures for a wide range of equivalence ratios. Laminar flame speeds were obtai...

    Niladri Talukder, Ki Yong Lee in Journal of Mechanical Science and Technology (2018)

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