Search Results - "Oh, Dong Hyun"

Reconsideration of new product development planning based on the relationship between product complexity and product lifetime: the case of the Korean mobile phone market by Yoon, Jungsub, Oh, Dong-hyun, Oh, Yoonhwan, Lee, Jeong-Dong

“…This study aims to investigate the impact of product complexity on product lifetime. As product lifetime increases, firms have a longer time to develop new…”
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Productivity growth, technical change and economies of scale of Korean fossil-fuel generation companies, 2001–2012: A dual approach by Oh, Dong-hyun

“…This paper examines total factor productivity (TFP) growth, technical change and economies of scale measure of Korean fossil-fuel power generation companies…”
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Leveraging bridging universities to access international knowledge: Korean universities’ R&D internationalization by Ahn, JongWuk, Choi, Hyundo, Oh, Dong-hyun

“…Bridging universities are research entities that connect the international research community with their domestic peer universities, referred as bridged…”
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The importance of research teams with diverse backgrounds: Research collaboration in the Journal of Productivity Analysis by Choi, Hyun-do, Oh, Dong-hyun

“…The Journal of Productivity Analysis (JPA) is a pioneering academic journal that aims to develop new methodologies for efficiency and productivity measurement…”
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Magnitude Spectrum Reformatting in the f-k Domain for FMCW Radar Background Characterization and Mitigation by Mboyi Gilles Yowel, Massala, Oh, Dong-Hyun, Han, Jung-Hoon

“…Recently, frequency-modulated continuous wave (FMCW) multiple-input multiple-output (MIMO) radar has been employed indoors for various applications, including…”
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A global Malmquist-Luenberger productivity index by Oh, Dong-hyun

“…This paper introduces an alternative environmentally sensitive productivity growth index, which is circular and free from the infeasibility problem. In doing…”
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Improving the performance of characteristic recognition for unknown antennas with limited data by Oh, Dong-Hyun, Yang, Sung-Jun, Han, Jung-Hoon

“…Identifying the electromagnetic features of an unknown antenna and evaluating its electromagnetic vulnerability are crucial for enhancing the effectiveness of…”
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Productivity changes in OECD healthcare systems: bias-corrected Malmquist productivity approach by Kim, Younhee, Oh, Dong-hyun, Kang, Minah

“…Summary This study evaluates productivity changes in the healthcare systems of 30 Organization for Economic Co‐operation and Development (OECD) countries over…”
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A metafrontier approach for measuring an environmentally sensitive productivity growth index by Oh, Dong-hyun

“…This paper presents an alternative environmentally sensitive productivity growth index to incorporate group heterogeneities into a conventional…”
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SNR Improvement for Heart Rate Estimation Using mmWave 79 GHz FMCW MIMO Radar by Gilles Yowel, Massala Mboyi, Oh, Dong-Hyun, Kim, Hyung-Ju, Jeong, Byung-Jang, Han, Jung-Hoon

“…Recently, interest in various engineering technologies for medical purposes has been increasing. Various biometric information can be obtained by remotely…”
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Measuring the efficiency changes of private universities of Korea: A two-stage network data envelopment analysis by Shamohammadi, Mehdi, Oh, Dong-hyun

“…Like all developed economies, South Korea has focused on the importance of higher education. This study investigates trends in the teaching and research…”
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Artificial Ion Channel Formed by Cucurbit[n]uril Derivatives with a Carbonyl Group Fringed Portal Reminiscent of the Selectivity Filter of K+ Channels by Jeon, Young Jin, Kim, Hyejung, Jon, Sangyong, Selvapalam, Narayanan, Oh, Dong Hyun, Seo, Inra, Park, Chul-Seung, Jung, Seung Ryoung, Koh, Duk-Su, Kim, Kimoon

“…Novel artificial ion channels (1 and 2) based on CB[n] (n = 6 and 5, respectively) synthetic receptors with carbonyl-fringed portals (diameter 3.9 and 2.4 Å,…”
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Factors Associated with Worsening Oxygenation in Patients with Non-severe COVID-19 Pneumonia by Hahm, Cho Rom, Lee, Young Kyung, Oh, Dong Hyun, Ahn, Mi Young, Choi, Jae-Phil, Kang, Na Ree, Oh, Jungkyun, Choi, Hanzo, Kim, Suhyun

“…This study aimed to determine the parameters for worsening oxygenation in non-severe coronavirus disease 2019 (COVID-19) pneumonia. This retrospective cohort…”
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Environmentally sensitive productivity growth and its decompositions in China: a metafrontier Malmquist–Luenberger productivity index approach by Choi, Yongrok, Oh, Dong-hyun, Zhang, Ning

“…The metafrontier Malmquist–Luenberger (MML) index was used to measure the environmentally sensitive productivity and analyze its decompositions on China’s…”
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A sequential Malmquist–Luenberger productivity index: Environmentally sensitive productivity growth considering the progressive nature of technology by Oh, Dong-hyun, Heshmati, Almas

“…This study proposes an index for measuring environmentally sensitive productivity growth which appropriately considers the nature of technical change. The…”
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Ruptured pseudoaneurysm of the internal maxillary artery in zygomaticomaxillary fracture: a case report by Lim, Soo Yeon, Lee, Hyun Gun, Kim, Kyu Nam, Kim, Hoon, Oh, Dong Hyun, Koh, In Chang

“…Post-traumatic pseudoaneurysms of internal maxillary artery are rare, but may be life-threatening. When arterial damage leads to pseudoaneurysm formation,…”
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Clinical Course and Outcomes of Patients with Severe Acute Respiratory Syndrome Coronavirus 2 Infection: a Preliminary Report of the First 28 Patients from the Korean Cohort Study on COVID-19 by Kim, Eu Suk, Chin, Bum Sik, Kang, Chang Kyung, Kim, Nam Joong, Kang, Yu Min, Choi, Jae Phil, Oh, Dong Hyun, Kim, Jeong Han, Koh, Boram, Kim, Seong Eun, Yun, Na Ra, Lee, Jae Hoon, Kim, Jin Yong, Kim, Yeonjae, Bang, Ji Hwan, Song, Kyoung Ho, Kim, Hong Bin, Chung, Ki Hyun, Oh, Myoung Don

“…Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-infected pneumonia emerged in Wuhan, China in December 2019. In this retrospective multicenter…”
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Sternal Osteomyelitis with a Mediastinal Abscess Caused by Gemella morbillorum following Blunt Force Trauma by Ann, Jin Young, Kwon, Jae-Cheol, Song, Je Eun, Kim, Min Hyung, Oh, Dong Hyun, Park, Yoonseon, Kim, Young Ah, Kang, Du-Young

“…Infections caused by Gemella morbillorum are uncommon. This organism is primarily associated with endocarditis and bacteremia and rarely with spondylodiscitis,…”
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Treatment Outcomes of Patients Treated for Pulmonary Tuberculosis after Undergoing Gastrectomy by Jung, In Young, Kim, Moo Hyun, Jeong, Woo Yong, Ahn, Mi Young, Jeon, Yong Duk, Ahn, Hea Won, Ahn, Jin Young, Song, Je Eun, Oh, Dong Hyun, Kim, Yong Chan, Kim, Eun Jin, Jeong, Su Jin, Ku, Nam Su, Kim, June Myung, Choi, Jun Yong

“…Gastrectomy is a proxy of malnutrition, which may lead to increased risk for developing pulmonary tuberculosis (TB). Malabsorption in gastrectomy patients…”
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A metafrontier approach for measuring Malmquist productivity index by Oh, Dong-hyun, Lee, Jeong-dong

“…This paper presents an alternative framework for the decomposition of the Malmquist productivity index by using the concept of a metafrontier. The approach…”
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