• 인터넷정보학회논문지
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• 제18권4호
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• pp.7-17
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• 2017

Despite various types of online social networks having different topological and functional characteristics, the kinds of online social networks considered in social recommendations are highly restricted. The pervasiveness of social networks has brought scholarly attention to expanding the scope of social recommendations into more diverse and less explored types of online social networks. As a preliminary attempt, this study examined the information-sharing patterns of a new type of online social network - unilateral (directed) network - and assessed the feasibility of the network as a useful information source. Specifically, this study mainly focused on the presence of shared interests in unilateral networks, because the shared information is the inevitable condition for utilizing the networks as a feasible source of personalized recommendations. As the results, we discovered that user pairs with direct and distant links shared significantly more similar information than the other non-connected pairs. Individual users' social properties were also significantly correlated with the degree of their information similarity with social connections. We also found the substitutability of online social networks for the top cohorts anonymously chosen by the collaborative filtering algorithm.

• Journal of Information Processing Systems
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• 제11권1호
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• pp.1-21
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• 2015

This paper aims to assess the feasibility of a new and less-focused type of online sociability (the watching network) as a useful information source for personalized recommendations. In this paper, we recommend scientific articles of interests by using the shared interests between target users and their watching connections. Our recommendations are based on one typical social bookmarking system, CiteULike. The watching network-based recommendations, which use a much smaller size of user data, produces suggestions that are as good as the conventional Collaborative Filtering technique. The results demonstrate that the watching network is a useful information source and a feasible foundation for information personalization. Furthermore, the watching network is substitutable for anonymous peers of the Collaborative Filtering recommendations. This study shows the expandability of social network-based recommendations to the new type of online social networks.

• 한국IT서비스학회지
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• 제11권1호
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• pp.305-323
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• 2012

This study examines online social media diffusion across different countries that will help to provide a picture of current global online social network services (SNSs). Analyzing country-level data drawn from 78 nations, we find that non-technological factors such as culture and language as well as technological factors including Internet penetration rate and smartphone adoption rate have significant effects on online social media diffusion. These findings, derived from a broad range of different countries, not only provide theoretical insights into understanding critical factors that enable successful global expansion of online social media services but also help practitioners plan their marketing strategies more effectively in a global context.

• 유통과학연구
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• 제18권3호
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• pp.67-76
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• 2020

Purpose: Consumers are affected by the purchase of a large number of opinions or support during the online purchasing process. This can be defined as the term of 'social decisions' on line. This paper seeks to explore the factors of influence on social decisions in on-line environment and to study in depth. Methodology: The purpose of this paper is to empirically examine the impact of factors on online social decisions. To verify the hypothesis of study, This study collected 256 from Seoul City, Gyeonggi Province and Chungcheong Province through Survey. Results: According to the research results, First, eWOM information usefulness have a positive impact on online social decisions, Second, online network connectedness have a positive impact on online social decisions. Third, innovative product have a positive impact on online social decisions. and the lower the category of knowledge, the more inclined it is to make online social decisions. Finally, social decisions have a positive impact on purchasing decisions about product. It is most significant that academic research has advanced consumer behavior in response to recent changes in the consumption environment. It is meaningful that we have studied in depth the changing consumer decision process in online channel environment.

• 한국HCI학회:학술대회논문집
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• 한국HCI학회 2008년도 학술대회 2부
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• pp.656-661
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• 2008

사이버 커뮤니티(cyber community)는 다양한 사회학적 방법론을 통해 연구될 수 있다, 특히, 사회망 분석(social network analysis)에 기반하여 구성된 온라인 소셜 네트워크(online social network)는 사회망분석방법을 통해 제반 현상을 파악하고 그 문제점을 해결할 수 있다. 마누엘 카스텔(Manuel Castells)이 지적한 사회망의 문제점, 즉 참여(participation)와 개방(openness)에 따른 단일화(unification)와 단편화(fragmentation)의 문제는 사이버 커뮤니티의 특성으로 인해 더욱 두드러지게 나타난다. 그러나 시간적, 공간적 제약을 뛰어넘는 사이버 커뮤니티의 전자적 특성은 단일화, 단편화에 대한 또 다른 대안을 제시한다. 최근 들어 더욱 다양해진 온라인 소셜 네트워크의 공개 API(Open API)는 그러한 대안 가운데 하나이다. 본 연구에서는 사회망 분석법을 통해 드러나는 사이버 커뮤니티, 특히 온라인 소셜 네트워크의 문제점을 분석하고 공개 API 를 통한 해결방안을 모색하고자 한다.

• International Journal of Contents
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• 제10권4호
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• pp.18-22
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• 2014

Social network games (SNGs), a rapidly growing online game genre, are built and played on social network sites. SNGs provide an online world for enjoying leisure time and interpersonal communication, and an increasing numbers of college students are involved in such game-playing as a leisure time activity. Despite the popularity, relatively few studies have been conducted to investigate the nature of game players, especially the meaning of such leisure time behavior by college students. This paper's aim was to explore a subjective meaning structure of online social network game play. The means-end chain model was used to link attributes of SNGs to the underlying values of game playing as a leisure activity. The results revealed two emerging end-values: the need for bridging and a sense of belonging. This study sheds light on the meaning of college students' leisure activities when playing social network games.

• 한국콘텐츠학회논문지
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• 제12권5호
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• pp.370-379
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• 2012

본 연구는 청소년들의 온라인 사회적 활동에 있어 이들이 오프라인에서 형성하고 있는 사회적 네트워크에서의 지위가 어떤 특성을 나타내는지를 살펴보고 이러한 사회적 지위가 온라인에서의 사회적 활동에 미치는 영향을 파악하고자 하는 것이다. 이를 위해 먼저 청소년들이 오프라인에서 형성하고 있는 사회적 네트워크에서의 지위를 개인 네트워크와 학교 네트워크로 나누어 살펴보았다. 그 결과, 개인 네트워크에서는 사회적 지위를 나타내는 사회적 유대와 사교성이 활동성과 유의미한 상관관계가 있는 것으로 나타났으며, 학교 네트워크의 사회적 지위를 나타내는 중앙성 지표인 인접중앙성과 매개중앙성은 활동성과 상관관계가 존재하지 않는 것으로 나타났다. 또한 청소년의 개인 네트워크에서는 사회적 유대가 클수록, 사교성이 클수록 온라인의 활동 깊이가 높고 온라인의 활동 넓이도 높은 것으로 나타났다.

• 지식경영연구
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• 제11권2호
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• pp.17-35
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• 2010

As the internet has been used widely, many online communities have been appeared. Initially, many users used online communities for communication and information sharing. Recently, users start using online communities for building, maintaining, and extending social networks which they did in offline environments previously. The importance of online community is considered by many scholars and also companies to use it strategically. Therefore many studies have focused on exploring characteristics of online communities. Most of them have emphasized the importance of online community. Few study focuses on dynamics within online community. By using social network analysis (SNA), this study tries to explore dynamics of online community. Specially, By measuring the centrality of online community and tracing its changes, this study investigates how the relationships among participants in online communities have been changed over the time. Findings of this study indicate that, as participants has joined in an online community over the time, an opinion leader is appeared, and her/his power is changed.

• 디지털산업정보학회논문지
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• 제12권4호
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• pp.163-169
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• 2016

This study is to analyze factors affecting a growth of online community with perspectives of social network. Particularly this study tries to explore structural phenomenon built by interactions between users in a certain of free board belonging to the online community, in which focuses on one's writing a comments responding on those of others. With using SNA(Social Network Analysis), the social network data calculated from users' interaction shown as their comments were collected to draw out each individual's centrality value representing the structure of the online community and also we estimated duration time and the number of each comments as a proxy variable representing growth of the online community. And then cause-and-effect relationship between individual's centrality value and the duration time and the number of each comment were analyzed. As a result of the analysis, Core-Periphery, Centralization and Reciprocity have significant effects on the duration time and the number of each comment, therefore those significant values representing online structure will give an implication to manage, to promote the online community, to forecast its evolution path and to build critical policies.

• 지식경영연구
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• 제13권3호
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• pp.1-16
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• 2012

Nowadays, many first-time Internet users start off heavily using SNSs (Social Network Sites), such as Cyworld, Facebook, and Twitter. The reason for the growth of SNS use is closely related to the various services of gaming, playing, using entertainment items, sharing knowledge etc., provided by the SNS; technically, the most important of the services provided would be the behavior of sharing knowledge among people connected and networked in the site. In sum, we assume that the users may communicate well with each other and pay attention to building a close social network using the abovementioned activities. However, researchers have just begun to focus on the issues explaining why Internet users rush into SNSs and enjoy their time there. Therefore, we investigated the reasons for posting and sharing knowledge voluntarily on the SNS and how others respond to the posted knowledge and are actually affected by the behavior. We applied social identity theory and social capital theory in this study to find which network externalities in SNSs may affect online identity-based attachment and cause them to produce a knowledge sharing generation. We found that people's online identity in SNSs is closely related to and influences knowledge sharing. This empirical study resulted in the importance of social relations in SNSs, which leads to sharing knowledge.