• Journal of the Korea Institute of Information and Communication Engineering
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• v.24 no.10
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• pp.1288-1293
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• 2020

As fears of infection with the Corona 19 virus increase, an untact mood is also blowing in the real estate market. Changes in life style are bringing about changes in the way of life and patterns of consumption. In the real estate marketing market, such changes are inevitable. In particular, marketing using a real estate model house has the characteristics of marketing that is closely related to the denseness that many people visit in an enclosed space. These characteristics include all three features (airtight, dense, close), characteristics mentioned in the COVID-19 prevention rules. Therefore, in this study, we will look at ways to reinforce model house customer marketing in line with the untact (non-face-to-face) trend and to avoid the above three features, characteristics in the model house customer marketing process, and show the implementation results to avoid features. Through this, we propose a safe and expandable real estate marketing strategy through the avoidance of the three features of corona 19.

• Journal of Convergence for Information Technology
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• v.11 no.2
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• pp.1-9
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• 2021

OASIS(Online Archiving & Searching Internet Sources) is a web archiving project of the National Library of Korea started in 2004 to systematically collect, manage, and preserve online digital information resources. In this study, the following problems were derived by analyzing the access log of the OASIS website and conducting a user survey. First, people's awareness of the OASIS project was very low, and there were many first-time visitors to the website. Second, active promotion and service reorganization to improve the use of OASIS was insufficient. The study suggested that the improvement point of this was to strengthen its own direct promotion and indirect promotion in connection with other agencies. In addition, it was proposed to enhance the service through user-customized services and to reinforce content that induces interest and fun.

• The Journal of the Korea Contents Association
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• v.21 no.8
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• pp.515-525
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• 2021

The study examines how the discourse on infants' smart media use has been constructed under media-saturated situations. Infants' use of smart media has been regarded as a dangerous activity, rate of overdependence has been increasing. Newspapers during the recent three years (2018-20) were analyzed. The most prominent speakers in the news field were smart media content producers and platform operators. There were negative views and concerns about infants' smart media use by academics, civic groups, and parents. However, the industry went beyond these risk discourses and gave positive meaning: Smart media was redefined as safe media for infants and reliable childcare helpers for parents. Parents were portrayed as those responsible for their children's media use and in need of help for childcare, rather than being blamed for their children's overdependence on smart media. Digital parenting seems to be emerging as an acceptable and practicable way of childcare rather than harmful and incomplete parenting.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.25 no.8
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• pp.1053-1059
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• 2021

In order to realize a smart home, a new type of service that converges the two technologies is required as a method to overcome the respective limitations of augmented reality and IoT technologies. Augmented reality recognizes objects and projects augmented content with the recognized objects on the screen. This technology mainly uses image processing methods such as markers as a method for recognizing objects. In this paper, an augmented reality-based IoT control platform using markers was developed. By defining a marker unique to the object, a unique identifier displayed on the camera was distinguished. A smart home system was implemented by calling a controller to control things. The proposed system receives state information of objects through symptom reality and transmits control commands. The proposed platform was verified by manipulating household lights.

• Journal of the Korea Convergence Society
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• v.13 no.4
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• pp.163-170
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• 2022

The purpose of this study is to examine the research trend on social media influencers in Korea. To this end, a total of 178 papers on social media influencers were analyzed from 2009 to 2021 among the academic papers registered in the Korean Academic Citation Index. As a result, the early social media influencer research, which was limited to only a few fields such as fashion, beauty, and communication, has expanded to various ones as time passed and achieved quantitative growth. The proportion of empirical studies has been on the rise in recent years, and studies that applied qualitative research methodologies have shown a tendency to decrease. The proportion of research focusing on specific media platforms and influencer types gets lower, although both the characteristics of social media platforms and the attitudes of each influencer are very diverse. This study has academic significance in that it is the first empirical study to investigate the current status of the social media influencer research in Korea.

• Journal of the Korean BIBLIA Society for library and Information Science
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• v.32 no.4
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• pp.231-263
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• 2021

The purpose of this study is to analyze the information behavior of so-called "MZ Generation" users who are going to be the main information users of the continuously and radically changing scientific information environment due to the advent of various types of information media and rapid increment of digital information resources. Especially, the characteristics of MZ generation is investigated through questionnaire asking questions about their use of contents platforms, and online resources for everyday life information and scholarly information, and their way of producing, responding, and sharing information contents. The results show that they use YouTube most as the contents platform, prefer Naver as their everyday life information source, and use Google as the main scholarly information source. Their main purpose of using the content platform is to search for everyday life information rather than scholarly or professional information, and they are actively producing information, mostly to keep records of their everyday lives.

• Journal of Microbiology and Biotechnology
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• v.32 no.5
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• pp.575-581
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• 2022

A Gram-stain-negative, white-coloured, and rod-shaped bacterium, strain DR4-4^T, was isolated from Daechung Reservoir, Republic of Korea, during Microcystis bloom. Strain DR4-4^T was most closely related to Caenimonas terrae SGM1-15^T and Caenimonas koreensis EMB320^T with 98.1% 16S rRNA gene sequence similarities. The average nucleotide identity (ANI) and digital DNA-DNA hybridization (dDDH) values between strain DR4-4^T and closely related type strains were below 79.46% and 22.30%, respectively. The genomic DNA G+C content was 67.5%. The major cellular fatty acids (≥10% of the total) were identified as C_16:0, cyclo C_17:0, summed feature 3 (C_16:1ω7c and/or C_16:1ω6c), and summed feature 8 (C_18:1ω7c and/or C_18:1ω6c). Strain DR4-4^T possessed phosphatidylethanolamine, diphosphatidylglycerol, and phosphatidylglycerol as the main polar lipids and Q-8 as the respiratory quinone. The polyamine profile was composed of putrescine, cadaverine, and spermidine. The results of polyphasic characterization indicated that the isolated strain DR4-4^T represents a novel species within the genus Caenimonas, for which the name Caenimonas aquaedulcis sp. nov. is proposed. The type strain is DR4-4^T (=KCTC 82470^T =JCM 34453^T).

• Journal of Korea Society of Industrial Information Systems
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• v.27 no.5
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• pp.61-72
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• 2022

Web 3.0 is also called the "next-generation Internet" and is a new concept that started in 2018 and is attracting attention as the beginning of the "distributed Internet era". As Web 3.0 became mainstream, non-fungible tokens (NFTs) serving as content as services were distributed, and companies started to introduce NFTs in their marketing campaigns. This is because NFTs can be used to promote brands to new consumers. In this study, using Japan's 「HARTi」 NFT Art as an example, we investigate a new method using urban infrastructure and spaces, not NFTs that exist only in the Japanese art market and online. By analyzing social issues following the introduction of a new digital marketing method based on NFT Art, we will discuss issues and countermeasures in the domestic NFT Art market and present a positive outlook.

• Journal of the Korea Society of Computer and Information
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• v.27 no.5
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• pp.93-100
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• 2022

Korea's ancestral culture has limited travel and contact due to Corona (COVID-19). In addition, Korean ancestral culture meets in person to commemorate the deceased. In this paper, we propose a non-face-to-face metaverse memorial platform service that can commemorate the deceased and perform ancestral rites in the cyber world (virtual reality) by applying the metaverse technology. The services proposed in the study consisted of a remembrance hall that displays the life story of the deceased, a ancestral hall that conducts ancestral rites for the deceased, and a deceased pavilion that checks the remains and wills of the deceased. In addition, the virtual reality device (HMD: Head Mounted Display) set the teleportation and content resolution to 4K to minimize dizziness. In particular, the priests applied interaction technology to provide an immersive service for ancestral rites between family members. The researched memorial hall metaverse service is a metaverse-based platform service that allows anyone to commemorate the deceased as a family unit in a non-face-to-face state rather than face-to-face.

• Journal of the Korea Institute of Information and Communication Engineering
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• v.26 no.2
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• pp.181-186
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• 2022

Poisson-Boltzmann equation (PBE) is used to model problems arising from various disciplinary including bio-pysics and colloid chemistry. Therefore, to predict a numerical solution of PBE is an important issue. The authors proposed deep learning based methods to solve PBE while the computational time to generate finite element method (FEM) solutions were bottlenecks of the algorithms. In this work, we shorten the generation time of FEM solutions in two directions. First, we experimentally find certain penalty parameter in a bilinear form. Second, we applied algebraic multigrids methods to the algebraic system so that condition number is bounded regardless of the meshsize. In conclusion, we have reduced computation times to solve algebraic systems for PBE. We expect that algebraic multigrids methods can be further employed in various disciplinary to generate deep learning samples.