• 한국정보처리학회:학술대회논문집
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• 한국정보처리학회 2022년도 춘계학술발표대회
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• pp.385-387
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• 2022

With the tremendous rise in popularity of the Internet and technological advancements, many news keeps generating every day from multiple sources. As a result, the information (News) on the network has been highly increasing. The critical problem is that the volume of articles or news content can be overloaded for the readers. Therefore, the people interested in reading news might find it difficult to decide which content they should choose. Recommendation systems have been known as filtering systems that assist people and give a list of suggestions based on their preferences. This paper studies a personalized news recommendation system to help users find the right, relevant content and suggest news that readers might be interested in. The proposed system aims to build a hybrid system that combines collaborative filtering with content-based filtering to make a system more effective and solve a cold-start problem. Twitter social media data will analyze and build a user's profile. Based on users' tweets, we can know users' interests and recommend personalized news articles that users would share on Twitter.

• 한국정보통신학회:학술대회논문집
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• 한국정보통신학회 2022년도 춘계학술대회
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• pp.125-128
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• 2022

웹에서 서비스하는 시스템이 점차 늘어나며 웹 서비스의 정상적인 운영을 방해하는 사이버 공격의 규모도 커지는 추세이다. 특히 정상적인 웹 서비스 운영을 방해하는 DDoS (분산 서비스 거부 공격) 또한 늘어나고 있다. 따라서 본 논문에서는 주요 공격 근원지의 국가나 도시 단위로 PoP을 운영하여 Anycast 형태의 네트워크에서 BGP ECMP(Equal Cost Multi Path) 라우팅 기법을 활용한 효율적인 DDoS 공격 방어의 기법을 제시하고, 고가용성의 웹 서비스를 운영할 수 있는 방법에 대해 기술한다.

• International journal of advanced smart convergence
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• 제12권1호
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• pp.108-119
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• 2023

Instatoon is a type of webtoons distributed through Instagram, but in the process of advancement of the webtoon industry, it shows the possibility of diversifying into a new genre that meets creativity, and diversity beyond uniform commercial webtoons. Since it does not go through a large platform, the content is freely composed. In addition, it is differentiated from other types of webtoons because in many cases artists create instatoon by adding entertaining elements into their real-life stories rather than drawing fictional ones. Furthermore, instatoons are free to enjoy, satisfaction level is high, but in most cases, even if there is a complaint, readers just enjoy webtoons without expressing it. We aimed to find out how the service quality characteristics of these instatoons affect behavioral intentions through the coexistence of satisfaction and dissatisfaction of readers, and meaninful results were found through empirical analysis. We discusses factors affecting the spread of Instatoons, including readers' satisfaction and dissatisfaction, the importance of relatability, good directing, and informativeness. The study emphasizes the need to approach maintaining existing readers and attracting new ones separately, and to manage readers effectively in the future.

• 유통과학연구
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• 제20권1호
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• pp.109-114
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• 2022

Purpose: The purpose of this study is to confirm that multichannel distribution strategies may be used for cultural and artistic products such as musicals, just as for general consumer goods, through a case study on the distribution strategy for a musical title. In addition, a distribution strategy for cultural and artistic products is proposed based on the analysis of the case. Research design, data, and methodology: Qualitative research methods, such as case study research and in-depth interviews, were used in this study. Results: The case study of the Korean musical Myeongdong Romance confirmed that multichannel distribution strategies may be used for musicals, including performances at theaters, Naver TV screenings (a service linked to an Internet portal), LGU+ screenings (an IPTV and OTT media service), DVD releases, and screenings of recordings of Romance Hall performances. Conclusion: For cultural and artistic products such as musicals, distribution channels can be diversified to incorporate the simultaneous use of multiple channels. New cases involving other cultural and artistic products and services to which this distribution strategy is applicable may be identified, and the strategy may be implemented along with new technologies to reduce costs further.

• 수완나부미
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• 제11권2호
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• pp.25-57
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• 2019

The paper addresses Erik Cohen's pioneering work on tourism in Thailand, specifically his publications on the relations between Thai women and foreign (farang) men in tourist-oriented encounters. Of sociological-anthropological interest is his conceptualization of these relations as "open-ended prostitution as a skilful game of luck" based on his study of a Bangkok soi (lane) in 1981-1984, and his exploration of Thai culture in terms of ambiguity and contradiction. On the basis of recent ethnographic research in the northern Thai tourist hub of Chiang Mai and wide-ranging observations on tourism development in Thailand, we examine continuity and change in these male-female engagements since Cohen's research, especially in the context of the increasing availability of such electronic agencies as social media, messaging, video chat, and internet dating. Whereas Cohen's concept of ambiguity and illusion has tended to disappear from physical spaces, it seems to have resurfaced in virtual space. The complexities of host-guest relations, and particularly the interactions both within the variegated category of "guests" themselves and then between their "hostesses" are explored in terms of sites of tourism-oriented encounters in both physical and virtual space so as to deconstruct these oppositional categories which have been formative in studies of tourism.

• 한국정보처리학회:학술대회논문집
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• 한국정보처리학회 2020년도 춘계학술발표대회
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• pp.389-392
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• 2020

The growth in social media, blogs and restaurant listing directories have led to increasing customer reviews about restaurants, their quality of food items and services available on the internet. These user reviews offer a massive amount of valuable information that can be used for various decision-making purposes. Currently, most food recommendation sites provide recommendation scores about restaurants rather than food items of the restaurant and the provided recommendation scores may be biased since they are calculated only from user reviews listed only in their sites. Usually, people wants a reliable recommendation about foods, not restaurant. In this paper, we present a reliable Korean food items rating method; we first extract food items by applying NER technique to restaurant reviews collected from many Korean restaurant recommendation web sites, blogs and web data. Then, we apply lexicon-based sentiment analysis on collected user reviews and predict people's opinions as sentiment polarity scores (+1 for positive; -1 for negative; 0 for neutral). Finally, by taking average of all calculated polarity scores about a food item, we obtain a rating to individual menu items of the restaurant. The proposed food item rating is more reliable since it does not depend on reviews of only one site.

• 한국식생활문화학회지
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• 제25권6호
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• pp.661-670
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• 2010

Although many studies have suggested that introducing the distance learning method, including Web-based learning, to a practice class is effective, studies applying the distance learning method to subjects who are practicing cooking are rare. The purpose of this study was to determine the perception of the distance learning method, the degree of computer use, and the use of distance learning by college students with cuisine-related majors to practice cooking. The results showed that most students used the distance learning method, and that the method was positively perceived, as it was a great aid in learning. Most of the cooking information was obtained through the internet, and the most effective learning media for practicing cooking was "e-learning" using a computer. The most effective learning method for those who were practicing cooking was a "face-to-face learning method", because face-to-face type of teaching and learning was most universally recognized. Most of the students surveyed responded that using the distance learning method was a positive experience, indicating that cyber lectures could be applied at more universities for subjects practicing cooking.

• 한국정보처리학회:학술대회논문집
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• 한국정보처리학회 2008년도 춘계학술발표대회
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• pp.1100-1103
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• 2008

VANET(Vehicle Ad-hoc Network) 환경은 도로위의 차량을 노드로 하여 구성하는 애드혹 네트워크로써 최근 들어 그 연구가 활발히 진행되고 있는 분야이다. 일반적인 애드혹 환경과 마찬가지로 VANET 환경에서도 보안적인 문제가 중요한 이슈로 대두되고 있다. VANET 환경에서 가장 중요하게 요구되는 보안요소는 차량의 익명성을 통한 위치 프라이버시와 협력 운전(cooperative driving) 단계에서 사용되는 메시지에 대한 인증, 무결성, 부인방지 등이다. 본 논문에서는 익명 아이디(pseudonym), 그룹화 등을 통해 차량의 위치 프라이버시를 제공하고 또한 이를 이용해 VANET 환경에서 사용할 수 있는 라우팅 프로토콜을 제안하고자 한다. RA(Registration Authority)에서 발급되는 익명 아이디의 집합과 차량의 전송 범위를 고려해서 구성되는 그룹화는 그룹에 속한 차량에 대해 익명성을 제공하고, 또한 그룹리더에 의해 생성되는 그룹키를 통해 효율적인 협력 운전 메시지 전달을 할 수 있게 된다. 그리고 각각의 그룹리더를 라우터로 이용해 전달되는 라우팅 프로토콜은 노드가 매우 유동적으로 움직이는 VANET 환경에서 효과적으로 메시지를 전달할 수 있도록 해줄 것이다.

• International journal of advanced smart convergence
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• 제13권2호
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• pp.119-129
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• 2024

We look at Web 3.0 business model canvas (BMC) of metaverse gaming platform, The Sandbox (TS). As results, the decentralized, blockchain-based platform, TS benefits its creators and players by providing true ownership, tradability of decentralized assets, and interoperability. First, in terms of the governance and ownership, The SAND functions a governance token allowing holders to participate in decision and SAND owners can vote themselves or delegate voting rights to other players of their choice. Second, in terms of decentralized assets and activities, TS offers three products as assets like Vox Edit as a 3D tool for voxel ASSETS, Marketplace as NFT market, and Game Maker as a visual scripting toolbox. The ASSETS made in Vox Edit, sold on the Marketplace, can be also utilized with Game Maker. Third, in terms of the network technology, in-game items are no longer be confined to a narrow ecosystem. The ASSETS on the InterPlanetary File System (IPFS) are not changed without the owner's permission. LAND and SAND are supported on Polygon, so that users interact with their tokens in a single place. Last, in terms of the token economics, users can acquire in-game assets, upload these assets to the marketplace, use for paying transaction fees, and use these as governance token for supporting the foundation.

• International Journal of Knowledge Content Development & Technology
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• 제13권3호
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• pp.75-93
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• 2023

A cross sectional survey method was used to determine the utilization of e-resources and their influence on the reading culture of 119 undergraduate students registered with the JD Amin library of Federal University Dutse. The data collected was analysed using both descriptive (frequency counts and means) and inferential statistics (regression analysis). The research found that databases (mean=4.00) and e-journal (mean=4.00) are available to the undergraduate students. It further found that e-resources are often utilized by the undergraduate student, with social media (mean=4.00), databases (mean=4.00) and e-journal (mean=4.00). the most commonly used e-resources. It was also found that erratic power supply (mean=3.91) and inability to seek, obtain and evaluate information (mean=3.67) are the prominent factors hindering the utilization of e-resources. The regression analysis rejected the null hypotheses of the study where it shows that the level of utilization of e-resources have positive statistical correlation (r=0.772) with the reading culture of undergraduate students. The study proposed a conceptual model for the sustainable reading culture of students by libraries providing of e-resources. The general conclusion of the research is that e-resources are necessary tools and are moderately available and adequately utilized for influencing reading culture. The study recommended that Internet facilities should be made available to undergraduate students to facilitate more utilization of e-resources.