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The Use of Instagram for Fortune 500: Impacts of Conversational Human Voice on User Engagement
Seoyeon Hong,Bokyung Kim,Hyunmin Lee Korean Academic Society For Public Relations 2022 Asian Journal of Public Relations Vol.5 No.1
This study explored the actual use of conversational human voice in Instagram posts and tested their impact on user engagement based on Fortune 500 companies' content (N=7,545). Findings from this study stress the effectiveness and prevalence of conversational human voice in corporate messages utilized in social media content by Fortune 500 companies. Specifically, their accounts adopted human voice message features differently across various industry types, while some of them significantly increased engagement on their social media communication channels.
The Use of Instagram for Fortune 500: Impacts of Conversational Human Voice on User Engagement
( Seoyeon Hong ),( Bokyung Kim ),( Hyunmin Lee ) 한국PR학회 2022 AJPR Vol.5 No.1
This study explored the actual use of conversational human voice in Instagram posts and tested their impact on user engagement based on Fortune 500 companies' content (N=7,545). Findings from this study stress the effectiveness and prevalence of conversational human voice in corporate messages utilized in social media content by Fortune 500 companies. Specifically, their accounts adopted human voice message features differently across various industry types, while some of them significantly increased engagement on their social media communication channels.
김형직사범대학교의 외국어로서의 조선어교육 운영 사례 연구
홍서연 ( Hong Seoyeon ) 이중언어학회 2021 이중언어학 Vol.84 No.-
The purpose of this study is to review the specific operating practices of Korean language education as a foreign language at Kim Hyung Jik University of Education. In order to achieve the research purpose, I conducted in-depth interviews with two Korean language learners who were international students through Chinese government scholarships and receiving Korean language training at Kim Hyung Jik University of Education in 2019 and one Chinese student who came to the same school through postgrauate scholarships. I could confirm that currently in North Korea, foreign students were only able to get admission on Korean language course at Kim Il Sung University and Kim Hyung Jik University of Education. Both universities offered Korean language education for foreigners, but they had differences in the number of students in class, nationality, teaching methods of Korean conversations, educational tours, and academic programmes. In addition, in the case of Kim Hyung Jik University of Education, the curriculum was reduced and changed in the past, and changes such as an increase of class size, learning time, and the number evaluations were made during the course. On the other hand, two universities put the same importance on Korean conversations and reading comprehension. The participants were generally satisfied with the education programmes including Korean language, but they didn’t see much teacher-student relationship. Less developed educational environment and school life without freedom and small improvement on Korean language ability due to the difference of Korean language between North Korea and South Korea contributed to lower the satisfaction. (Hankuk University of Foreign Studies)
Seoyeon Ko,Na-Kyeong Kim,Hyo-Jeong Lee,Tae-Ho Ryu,Jin-Sung Hong,Rae-Dong Jeong 한국식물병리학회 2020 Plant Pathology Journal Vol.36 No.5
The potential transmission of plant pathogenic viruses through processed foods could be a source of concern for global crop production; however, there is a lack of supporting evidence. The present study was conducted to investigate the presence of plant pathogenic viruses in five samples of gochujang (fermented red pepper paste) manufactured in Korea. Several viruses infecting pepper were detected by reverse transcriptionpolymerase chain reaction, among which the pepper mild mottle virus (PMMoV) was detected in all five samples, at concentrations ranging from 2.8 to 7.0 (log10 copies/ml). In addition, PMMoV was observed by transmission electron microscopy in all five samples. The samples exhibited viral pathogenicity to Nicotiana benthamiana plants, indicating that global trade of processed products could be a possible source of the transmission of plant viruses.
Tumor hypoxia and reoxygenation: the yin and yang for radiotherapy
Hong, Beom-Ju,Kim, Jeongwoo,Jeong, Hoibin,Bok, Seoyeon,Kim, Young-Eun,Ahn, G-One The Korean Society for Radiation Oncology 2016 Radiation Oncology Journal Vol.34 No.4
Tumor hypoxia, a common feature occurring in nearly all human solid tumors is a major contributing factor for failures of anticancer therapies. Because ionizing radiation depends heavily on the presence of molecular oxygen to produce cytotoxic effect, the negative impact of tumor hypoxia had long been recognized. In this review, we will highlight some of the past attempts to overcome tumor hypoxia including hypoxic radiosensitizers and hypoxia-selective cytotoxin. Although they were (still are) a very clever idea, they lacked clinical efficacy largely because of 'reoxygenation' phenomenon occurring in the conventional low dose hyperfractionation radiotherapy prevented proper activation of these compounds. Recent meta-analysis and imaging studies do however indicate that there may be a significant clinical benefit in lowering the locoregional failures by using these compounds. Latest technological advancement in radiotherapy has allowed to deliver high doses of radiation conformally to the tumor volume. Although this technology has brought superb clinical responses for many types of cancer, recent modeling studies have predicted that tumor hypoxia is even more serious because 'reoxygenation' is low thereby leaving a large portion of hypoxic tumor cells behind. Wouldn't it be then reasonable to combine hypoxic radiosensitizers and/or hypoxia-selective cytotoxin with the latest radiotherapy? We will provide some preclinical and clinical evidence to support this idea hoping to revamp an enthusiasm for hypoxic radiosensitizers or hypoxia-selective cytotoxins as an adjunct therapy for radiotherapy.
한국어 어휘 의미망을 활용한 CRF 모델 기반 개체명 인식
박서연(Seoyeon Park),옥철영(Cheolyoung Ock) 한국정보과학회 2021 정보과학회논문지 Vol.48 No.5
개체명 인식은 주어진 문장 내의 고유한 의미가 있는 단어들을 미리 정의된 개체의 범주로 분류하는 작업이다. 최근 딥러닝 네트워크 혹은 언어 모델을 이용한 개체명 인식 연구들이 높은 성능을 보였지만 이러한 모델은 고성능의 컴퓨팅 파워가 요구되며 학습 모델의 속도가 느려 아직은 실용성이 낮다는 문제가 있다. 본 논문에서는 실용성을 목적으로 처리 속도와 정확률을 모두 고려하여 기계학습 방식의 CRF를 기반으로 하여 의미 자질과 구문적 자질을 추가한 개체명 인식 시스템을 제안한다. 한국어 어휘 의미망(UWordMap)을 활용하여 사람의 지식을 기반으로 하여 의미 자질인 상위어, 최상위어 정보와 구문적 자질인 의존관계와 격조사 정보를 학습 자질로 추가하고 평가하였다. 실험 결과, F1 score 기준 90.54% 포인트의 성능과 초당 약 1,461 문장을 처리하였다. Named Entity Recognition(NER) is the process of classifying words with unique meanings that often appear as OOV within sentence into categories of predefined entities. Recently, many researches have been conducted using deep learning to synthesize the words’ embedding via Convolution Neural Network(CNN), Long Short-Term Memory(LSTM) networks or training language models. However, models using these deep learning network or language model require high performance computing power and have low practicality due to slow speed. For practicality, this paper proposes Conditional Random Field(CRF) based NER model using Korean lexical network(UWordMap). By using hypernym, dependence and case particle information as training feature, our model showed 90.54% point of accuracy, 1,461 sentences/sec processing speed.