• The Journal of Information Systems
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• v.20 no.1
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• pp.1-20
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• 2011

This study investigated the factors that facilitate knowledge creation of team with the aspect of knowledge management. We considered two characteristics which are team members' psychological characteristics (achievement needs and conflict emotion) and knowledge network characteristics among team members (internal cohesion and external bridging) and verified the relationship between these characteristics and team performance. Furthermore, we examined whether these characteristics have a different effect on team performance according to the mastery climate. This study performed a survey targeting team members in knowledge based firms and 376 final surveys to be used as a sample in this study. The result showed that team members' psychological characteristics and knowledge network characteristics among Team members have an influence on team performance significantly. In addition, the master climate moderated the relationship between team members' psychological characteristics and team performance.

• 한국경영정보학회:학술대회논문집
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• 2008.06a
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• pp.52-63
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• 2008

Virtuality is a product of the information age, and as it plays a larger role in the activities of individuals, groups and organizations, the issue of how human behavior varies between virtual and physical space has become one of the most important questions facing the management environment of today. The purpose of this article is to examine how virtuality shapes individuals' social relationships within and outside their work groups. We developed a conceptual framework that explores the links between virtuality and social network based on computer-mediated communication theory and social network theory. Using data from 172 individuals of 42 project teams in 5 global business consulting firms, we tested cross-level hypotheses. The results of hierarchical linear modeling (HLM) indicate that virtuality significantly influences individual's internal tie strength as well as external bridging ties. The results also show the effects of virtual process via CMC vary along with the virtual context.

• Proceedings of the Korea Society of Information Technology Applications Conference
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• 2005.11a
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• pp.177-178
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• 2005

Wireless 1394 over IEEE802.15.3 must allow a data reserved for delivery over a wired 1394 network to be delivered over an IEEE802.15.3 wireless network through bridging IEEE 1394 to IEEE802.15.3. Isochronous transfers on the 1394 bus guarantee timely delivery of data. Specifically, isochronous transfers are scheduled by the bus so that they occur once every $125\;{\mu}s$ and require clock time synchronization to complete the real-time data transfer. IEEE1394.1 and Protocol Adaptation Layer for IEEE1394 over IEEE802.15.3 specify clock time synchronization for a wired 1394 bus network to a wired 1394 bus network and wireless 1394 nodes, which are IEEE802.15.3 nodes handling 1394 applications, over IEEE802.15.3. Thus, the clock time synchronizations are just defined within a homogeneous network environment like IEEE1394 or IEEE802.15.3 until now. This paper proposes new clock time synchronization method for wireless 1394 heterogeneous networks between 1394 and 802.15.3. If new method is adopted for various wireless 1394 products, consumer electronics devices such as DTV and Set-top Box or PC devices on a 1394 bus network can transmit real time data to the AV devices on the other 1394 bus in a different place via IEEE 802.15.3.

• The Journal of the Korea Contents Association
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• v.19 no.4
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• pp.138-149
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• 2019

The purpose of this study is to empirically address the influences of motives for using SNS on relational bridging and relational bonding in SNS and motives for continuous use SNS by applying the concepts of bonding and bridging, defined in the social capital theory, and major motives for using SNS are classified into three categories-social, information, and recreation categories - based on the previous studies and the usage and gratification theories. Through this study, it was revealed that motives of all these three categories-social, information, and recreation categories-have significant influences over relational bridging and relational bonding in SNS while relational bridging and relational bonding in SNS have significant influences over consistent motives for using SNS so the hypothesis of this study is accepted. It was also proven that motives of all these three categories - social, information, and recreation categories-for using SNS are important factors for creating new communities or expand relationships with other SNS users sharing similar interests. In addition, it was found that SNS users constantly use SNS to build relationships that could create a strong bond between individuals and receive emotional supports when necessary and to expand its own network by creating new relationships with other SNS users.

• Information Systems Review
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• v.19 no.4
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• pp.43-62
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• 2017

This study investigates the effect of bonding and bridging social capital on the technological innovation performance in the Pangyo Techno Valley. In particular, we consider the information technology (IT) usage in industrial cluster as an antecedent of social capital. IT instigates the intra and extra communication and information sharing between employees, thereby promoting the formation of a network of various members. Results show that the IT usage factor positively affects both bridging and bonding social capital, but an evident difference exists among the effects of social capital on the technological innovation performance. In case of Pangyo industrial cluster, bridging social capital exerts significant effect on the technological innovation performance, whereas bonding social capital shows insignificance. Bridging social capital is composed of the interactions of various networks. Bonding social capital is based on the strong tie from trust and internal cooperation. Results are related with the characteristics of Pangyo Techno Valley, where various IT ventures need active communication and information sharing with other organizations for technological innovation performance.

• Journal of Korea Society of Industrial Information Systems
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• v.20 no.1
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• pp.63-77
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• 2015

As social network service(SNS) environments have been changed and increased, people perceive SNSs as a part of their daily lives. Therefore mutual communication activities based on the Internet and its influences are expanding continuously. This paper explored the difference between consumers' emotional well-being level and social capital formed through SNSs. Given that the reason of using SNS and its utilization can be different depending on consumers, this paper also examines generation differences. Hence, we examine how the forms of emotional well-being and social capital in SNSs can be different according to each generation. We conducted a survey targeting the consumers who have an experience of using online SNS and looked into the effects of emotional well-being and social capital among generations using eighty three valid samples. In this study, we find that there are differences on the effects of the sizes and the types of social capital formed through SNS, depending on the generations. In particular, the size of social capital from younger generation was larger compared to the older generation and bridging social capital, one of social capital types, was also bigger in the younger generation compared to the older generation. Although general emotional well-being was not differentiated among the generations, we could find a generation difference by showing that older generation's negative well-being, one of emotional well-being types, was more sensitive than younger generation. Based on such results, this paper proposes SNS utilization plan sub-divided by generations, suggesting management direction of online social networks.

• Proceedings of the KIEE Conference
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• 2007.07a
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• pp.1713-1715
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• 2007

Measurement of network traffic have shown that the self-similarity is a ubiquitous phenomenon spanning across diverse network environments. In previous work, we have explored the feasibility of exploiting the long-range correlation structure in a self-similar traffic for the congestion control. We have advanced the framework of the multiple time scale congestion control and showed its effectiveness at enhancing performance for the rate-based feedback control. Our contribution is threefold. First, we define a modular extension of the TCP-a function called with a simple interface-that applies to various flavours of the TCP-e.g., Tahoe, Reno, Vegas and show that it significantly improves performance. Second, we show that a multiple time scale TCP endows the underlying feedback control with proactivity by bridging the uncertainty gap associated with reactive controls which is exacerbated by the high delay-bandwidth product in broadband wide area networks. Third, we investigate the influence of the three traffic control dimensions-tracking ability, connection duration, and fairness-on performance.

• International Journal of Contents
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• v.12 no.2
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• pp.66-74
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• 2016

In recent years, studies have emerged highlighting the role of social networking services in the English as a foreign language context of Korea, particularly for teaching and learning, but none examine the role of Facebook in enhancing communities of practice. Therefore, this study undertakes such an endeavor on a Korea-based language teacher organization Facebook group. Social networking analysis came to reveal a group consisting of largely non-engaged members, with several key users successfully bridging the network and promoting engagement and interaction via commenting. Although the most viral posts were disproportionately organizational, professional development clearly emerges as the largest concern for active members. Ultimately, it will be critical for increasing success of the group as a social networking service to establish a means of further engaging all members, including those on the network periphery. To fully meet organizational goals, it will be imperative for key actors to be used increasingly proactively.

• Journal of Digital Convergence
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• v.13 no.2
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• pp.371-379
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• 2015

The degree of adolescents' life satisfaction is very low and the formation of social relationship through SNS is getting important to adolescents. This study aimed to examine if bridging social capital and bonding social capital through SNS and political-social participation affect the life satisfaction of adolescents. Using 2012 Adolescents Social Media Usage Survey of National Youth Policy Institute, this study analyzed 4708 data by Multiple Regression. The results showed that the life satisfaction of male adolescents was higher than that of female adolescents. And the higher the level of bridging social capital and bonding social capital through SNS and political-social participation was, the higher the level of adolescents' life satisfaction. On the basis of the results, practical suggestions to increase the life satisfaction of adolescents were discussed.

• Journal of the Korean Chemical Society
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• v.57 no.6
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• pp.721-725
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• 2013

Reaction between 2-pyridinecarboxylic acid (Hpic) and $K_3[Cr(O_2)_4]$ give complex $[Cr(pic)_3].H_2O$ (1) which is characterized by elemental analysis and spectroscopic methods (FT-IR, Raman) and X-ray crystallography. In the crystal structure of 1, chromium atom with coordinated by three nitrogen and three oxygen atoms has a distorted octahedral geometry. Also a water molecule is incorporated in crystal network. Each water molecule acts as hydrogen bond bridging and connects two adjacent complexes by two $O-H{\cdots}O$ hydrogen bonds.