Hyori Jeon

Analysis of the Consumer Preferences toward M-Commerce Applications Based on an Empirical Study

In this paper, new concept of value proposition for m-commerce is set up based on the study on previous value propositions for m-commerce, and clustering a great number of m-commerce applications by 4 sectors. These 4-sector applications are evaluated by 17 detail propositions. Then these propositions are reorganized structurally by factor analysis, of which result can be used point for drawing perceptual map. This paper identifies the degree of importance in respective propositions through experimental analysis. These experimental analyses are able to hold up objectivity of research methods, and suggest multi-points of view. This result can be used for setting up m-commerce strategy. The implications of this paper are providing diagnostic information to design a new applications or devices. And concretizing value propositions for m-commerce make a operators clear in their decisionmaking

Analysis on the Mobil IPTV Adoption and Moderator Effect Using Extended TAM Model

Convergence is a key word in all of industries as well as telecommunication industry recently. The most noted case is media (specially, broadcasting) and IT convergent one in Korea. The reason is that broadcasting is under the influence of IT technology development trajectory such as digitalized, broadband, interactive and so on. For example, there are mobile TV (in Korea, DMB), IPTV, and mobile IPTV. Especially, mobile IPTV will be offered TV contents via mobile IP network such as WiMax or 4G all-IP. The determinants influencing mobile IPTV adoption decisions are analyzed using extended TAM model. Furthermore, we verify the moderator effects of experience and similar services of mobile IPTV.

Proposal for a Ubiquitous Virtual Enterprise Reference Model on Next-Generation Convergence Network

Nowadays, market environments can be expressed in terms of increased competition, the diverse demands of customers, and the rapid innovation of IT technologies and so forth. These environmental changes have left companies facing a highly competitive market, and company revenues are gradually decreasing. Virtual enterprise is considered as the one of the alternatives available to facilitate adjustment to the new digital economy and save companies from falling into a red ocean. The contents of this research include the definition of virtual enterprise, and the characteristics and technologies for embodying it in a company. The paper suggests a new flow model for a decision support system in a virtual enterprise set-up, assesses critical success factors and weights as per the factors from case studies. From the previous analysis, paper defines the needs of collaborative activities in virtual enterprise and suggests the ubiquitous virtual enterprise reference model.

Analysis of the Market Competitive Structure on Mobile Multimedia Services: Wibro, HSDPA, S-DMB, T-DMB

This paper studied on the future market competitive structure among mobile multimedia services that offer a variety of multimedia services and contents through wireless networks. In the past, forecasting methods based on market data would be used popularly in telecommunications industry. Now, methods are changed from market data based studies to customer preferences based ones. In this reason, paper use to forecast the market competitive structure and offer firm strategies and policies using a customer choice probability model