항공 응용 : 유비쿼터스 비즈니스를 위한 참여자 기반의 디지털 콘텐츠 속성에 관한 연구

이홍주 ( Hong Joo Lee ),장정주 ( Jung Joo Jahng ),안중호 ( Joong Ho Ahn ) 한국항행학회 2009 韓國航行學會論文誌 Vol.13 No.2

학술연구 : 블로그 기반 컨텐츠 네트워크에서 주의끌기 경쟁과 그 결과로 나타난 중심성의 영향

김용진 ( Yong Jin Kim ),장정주 ( Jung Joo Jahng ),( Mani Subramani ) 한국중소기업학회 2012 기업가정신과 벤처연구 Vol.15 No.4

블로그는 점차적으로 뉴스와 논평의 원천으로서 그 중요성을 더해가고 있으며, 미디어 환경을 급격하게 바꾸고 있는 주요 요소로 인식되고 있다. 특히, 이런 유형의 사회적 미디어는 중소기업들이 자신의 존재감을 드러내고 고객들과의 커뮤니케이션을 향상시키는데 매우 중요한 역할을 담당한다. 본 연구는 블로그 기반의 컨텐츠 네트워크가 정보를 공유하고 새로운 미디어 생태계를 조성하는데 있어 핵심적인 역할을 수행한다고 가정하고, 주의력끌기 경쟁이라는 개념을 확장하여 온라인 컨텐츠 네트워크에서 블로그의 중심성에 영향을 미치는 요소들을 이해하기 위해 수행되었다. 첫째, 본 연구의 저자들은 블로그 기반의 컨텐츠 네트워크에서의 신뢰성, 통일성, 그리고 상호작용성을 표현하기 위한 변수들을 정의하였다. 연구변수들 중에서 블로그 포스팅의 양과 질은 신뢰성을, 특정한 주제 영역별 포스팅의 집중도는 통일성을, 연결정도는 상호작용성을 의미하는 것으로 설정했다. 둘째, 한국에서 가장 큰 포털사이트가 운영하는 블로그 사이트로부터 모아진 데이터를 통해 연구모델을 테스트했다. 분석결과 본 연구자들이 제시한 연구모델은 강력하게 지지되었다. 본 연구의 결과는 지금까지 관심을 별로 받아오지 못했던 온라인 소셜네트워크 상에서 블로거들의 관심을 끌 수 있는 블로그 사용방법에 대해 그 이해를 증진시킬 것이다. 본문에서는 분석결과와 그 시사점에 대해 자세히 논의했다. 실성 회피에 의해 비례한다고 제시한다. 권력 간격과는 상관관계가 없었다. Blogs are increasingly becoming important sources of news and commentary and regarded as the primary force significantly changing the media environment. In particular, this type of social media is very important for SMEs to promote their presence and improve their communication with consumers. Given the critical role of blog-based content networks in information sharing and providing a new media ecosystem, we set out to understand the factors that affect the centrality of a blog in the online content network by extending the notion of competing for attention. First, we identified a set of variables essential to establish credibility, unity, and interactiveness in the blog-based content network. Among the research variables, quantity and quality of postingsare related to credibility, concentration of postings in a topic area is associated with unity, and interactiveness is linked to the feeling of being connectedness. Second, we empirically tested the proposed model with a set of data collected from a blog site run by a biggest portal company in Korea. This study has found strong support for the proposed research model. The proposed model is believed to advance the understanding of blog use behavior to attract attention from the other bloggers in online social network, which has little academic attention. Further results and implications for researchers and practitioners are discussed.

온라인 게임 비즈니스의 재편과 도전

김태경(Tae Kyung Kim),장정주(Jung Joo Jahng),장현영(Hyun Yung Jang) 한국경영학회 2009 Korea Business Review Vol.12 No.3

1990년대 말부터 시작하여 2000년대 중반까지 한국의 온라인 게임 시장은 전략시뮬레이션 게임인 스타크래프트와 온라인 롤플레잉 게임인 리니지를 중심으로 급격한 성장을 보였다. 비록 시장은 빠르게 성장했으나 수익을 낼만한 사업모델의 다양성은 경직된 상태여서 후발 주자들이 새로운 비즈니스 기회를 찾기 어려웠다. 이때 넥슨은 카트라이더를 시장에 내놓아 온라인 레이싱 게임으로는 성공적인 비즈니스를 하기 어렵다는 관행을 뒤엎으며 상업적 성공을 거두었다. 부분유료화를 적극적으로 활용하고 원소스멀티유즈 전략을 활용하여 정액제 요금과 광고수익에 의존하던 온라인 게임의 전통적 사업전략에 혁신을 가져왔다. 본 사례는 넥슨을 온라인 게임 산업의 강자로 자리 잡게 한 카트라이더의 성공 원인을 분석한다. 특히, 레이싱게임은 온라인에서 성공하기 힘들다는 기존의 판단에도 불구하고 캐주얼게임 장르를 기반으로 “대박”게임 대열에 오른 원인을 플랫폼 비즈니스 모델 관점에서 조망하였다. 또한 부분 유료화의 특성이 어떻게 카트라이더가 캐주얼 레이싱 게임이 가진 약점을 오히려 강점으로 바꾸어 놓았는가 하는 점을 다루었다. The online game market in Korea had been radically expanded from the late of 1990s to the mid-2000s with commercial success of Starcraft by Bllizard Entertainment and Lineage from NC Soft. The most of game developers in Korea focused their positions on how their games resembled Lineage, which had known to “Big Shot Game”type of MMORPG (Massively Multiplayer Online Role-Playing Game), as a measurement of success. Even though the market growth was incredible, game developers suffered from fierce competition soon due to the lack of diversity of revenue models. Then, Nexon launched “Crazing Kart Rider”the game, which was a clever reposte enough to be over common practice that a racing game is not compatible with online environment in terms of Big Shot Game. New strategies of Nexon included 1) mixing charged items with free service and items, and 2) one-source-multi-use. Those were so innovative that online game industry came to rethink their business practice. But, Crazing Kart Rider came to be confronted by new challenges from rising of game portal and penetration of traditional game console manufactures from 2007. This case study is helpful to make business practitioners to discuss with success factors of Nexon and to find feasible strategy to gain sustainability in the online game industry.

정보기술 수용 후 주관적 지각 형성: 사용 경험에서 형성된 습관, 기대일치, 자기효능감의 역할

김용영,오상조,안중호,장정주,Kim, Yong-Young,Oh, Sang-Jo,Ahn, Joong-Ho,Jahng, Jung-Joo 한국경영정보학회 2008 Asia Pacific Journal of Information Systems Vol.18 No.1

Researchers have been continuously interested in the adoption of information technology (IT) since it is of great importance to the information systems success and it is also an important stage to the success. Adoption alone, however, does not ensure information systems success because it does not necessarily lead to achieving organizational or individual objectives. When an organization or an individual decide to adopt certain information technologies, they have objectives to accomplish by using those technologies. Adoption itself is not the ultimate goal. The period after adoption is when users continue to use IT and intended objectives can be accomplished. Therefore, continued IT use in the post-adoption period accounts more for the accomplishment of the objectives and thus information systems success. Previous studies also suggest that continued IT use in the post-adoption period is one of the important factors to improve long-term productivity. Despite the importance there are few empirical studies focusing on the user behavior of continued IT use in the post-adoption period. User behavior in the post-adoption period is different from that in the pre-adoption period. According to the technology acceptance model, which explains well about the IT adoption, users decide to adopt IT assessing the usefulness and the ease of use. After adoption, users are exposed to new experiences and they shape new beliefs different from the thoughts they had before. Users come to make decisions based on their experiences of IT use whether they will continue to use it or not. Most theories about the user behaviors in the pre-adoption period are limited in describing them after adoption since they do not consider user's experiences of using the adopted IT and the beliefs formed by those experiences. Therefore, in this study, we explore user's experiences and beliefs in the post-adoption period and examine how they affect user's intention to continue to use IT. Through deep literature reviews on the construction of subjective beliefs by experiences, we draw three meaningful constructs which theoretically have great impacts on the continued use of IT: perceived habit, confirmation, and computer self-efficacy. Then, we examine the role of the subjective beliefs on the cognitive/affective attitudes and intention to continue to use that IT. We set up a research model and conducted survey research. Since IT use implies interactions among a user, IT, and a task, we carefully selected the sample of users using same/similar IT to perform same/similar tasks, to exclude unwanted influences of other factors than subjective beliefs on the IT use. We also considered that the sample of users were able to make decisions to continue to use IT volitionally or at least quasi-volitionally. For each construct, we used measurement items recognized for reliability and widely used in the previous research. We slightly modified some items proper to the research context and a pilot test was carried out for forty users of a portal service in a university. We performed a full-scale survey after verifying the reliability of the measurement. The results show that the intention to continue to use IT is strongly influenced by cognitive/affective attitudes, perceived habits, and computer self-efficacy. Confirmation affects the intention to continue indirectly through cognitive/affective attitudes. All the constructs representing the subjective beliefs built by the experiences of IT use have direct and/or indirect impacts on the intention of users. The results also show that the attitudes in the post-adoption period are formed, at least partly, by the experiences of IT use and newly shaped beliefs after adoption. The findings suggest that subjective beliefs built by the experiences have deep impacts on the continued use. The results of the study signify that while experiencing IT in the post-adoption period users form new beliefs, attitudes, and intentions which may be differe

모바일 뱅킹의 수용 의도에 영향을 미치는 요인

박철우(Chul-woo Park),안중호(Joong-ho Ahn),장정주(Jung-joo Jahng) 한국인터넷전자상거래학회 2007 인터넷전자상거래연구 Vol.7 No.3

The main objective of this research is to find factors affecting the intention to accept information technology in a mobile environment. In order to explain the intention to adopt the mobile banking service in which uncertainty and risk exist, the factor of trust is added on the technology acceptance model widely used in the information system discipline. In this study covering acceptance of innovative technology of mobile banking, TAM and Web trust model are introduced as basic theories to explain phenomena in mobile area. In addition, social influence is considered as an explaining factor as well as usefulness and ease of use. Mobile service area should be studied in view of psychological and social characteristics as well as technical aspects. That is, multidimensional approaches and analyses for user behavior will be available by grasping the intention to accept from the point of psychological, managerial, and sociological view.

이사회의 전략적 IT 의사결정 참여가 조직의 성과에 미치는 영향

안중호(Joong Ho Ahn),양지윤(Ji Youn Yang),장정주(Jung Joo Jahng) 한국경영학회 2009 經營學硏究 Vol.38 No.1

In the early stage of IT governance, only computer-related policy and process were associated with IT governance. However, today’s IT is becoming far more complex, IT investment is increasing, and core business tasks are being operated based on IT. All of these lead to the intimate relation between IT and business. Although IT governance has various definitions among scholars and practitioners, they all strive to build a framework for decision making and responsibility to encourage the desirable use of IT. There are two major sources of motivation in IT governance. One is the concerns on corporate governance for improving the transparency of firms and the other one is the concerns on lack of ability to deal with the risk of firms. IT not only plays a key role in present business systems but also in preventing and protecting the firms’ asset from iniquity, loss, and abuse. Unfortunately, as the IT applications propagate, firm’s risk management ability is often not sufficient. IT risk may threaten the going concern of a firm because the size of damages becomes larger as technology improves. Thus IT should not be managed just at the IT department level but at the enterprise level. That is, IT governance is strongly related to shareholder’s value. In this perspective, the firm’s board, as an agent, is extremely important to protect the value of shareholders, the true owners of the firm. Previous researches on information systems only considered CEO, CIO, and IT executives as stakeholders while neglecting the board. However, information systems are now considered as the foundation for the firms’ core businesses and the investments in information systems increase along with more functionally advanced requirements and thus risks are rising accordingly. This phenomenon demonstrates that the past view of IT as a functional part should be transformed into the perspective of IT governance. Theories that support the righteousness of the board’s involvement in IT decision making may be found in the agency theory and the strategic choice theory. In the agency theory’s view, the board may be used as a monitoring mechanism for shareholders’ benefit. According to this theory, the board is to monitor and assess the conducts of agents (CEO and management), to align their rewards to business performance, and to assign or dismiss them in order to protect and maximize the shareholder’s value. Fundamentally, it supports the perspective that it is critical to prevent the shareholder’s loss due to fault decision makings triggered by the management’s incompetence, delinquency, or misconduct. Strategic choice theory states that organization structure is defined by strategic choice of management with authority. This view focuses on individuals or groups in the organization to explore the organization process. This ruling group is able to strategically form a specific organization structure to maintain and strengthen its power, but the final formation of organization structure may not necessarily maximize the effectiveness of organization. In this case, the fiduciary responsibility of the board is to assure the maximization of shareholders’ wealth. Therefore, the board is required to involve aggressively in the strategic decision making for positive outcome. The most widely discussed issue regarding the board’s role is the effect of its involvement in the strategic decision making on financial outcome of the organization. Strategic decision makers in this theory are to pursuit the optimization of financial outcome in its firm. When applying this theory to IT governance, the board should pay attention to the strategic IT decision making. The strategic choice theory strengthens the shareholder’s benefit by allowing the board’s involvement in the strategic decision making and thus complements the perspective of business-IT alignment. The board’s involvement in the strategic IT decision making directly influences the business-IT alignment and IT risk readines