• Information Systems Review
• /
• v.10 no.2
• /
• pp.97-121
• /
• 2008

There are relatively inactive discussions about applying ubiquitous technology (uT) to traditional marketplace. If u-Market which affords to promote customer shopping convenience and on/offline shopping experience is implemented, then traffic of visiting customers as well as the revenue of the market will increase. Ultimately, it will lead to revitalizing traditional market. For this purpose, we developed a realistic u-Market service scenario with restricted uT considering spatial limitation and poor infrastructure of the physical marketplace. Based on u-Market service scenario, we have empirically investigated the determinants of u-Market service acceptance of the actual customers of traditional marketplace. We hope the results of this study will help in improvement of u-Market system development and service feasibility.

• 한국IT서비스학회:학술대회논문집
• /
• 2008.05a
• /
• pp.462-467
• /
• 2008

본 논문에서는 유비쿼터스 서비스간의 변환을 통하여 유비쿼터스 서비스 통합 및 제어를 위한 유비쿼터스 홈(u-Home) 서비스 통합 모델을 제시하고 있으며, 이러한 유비쿼터스 서비스간의 변환은 SOA(Service-oriented architecture)을 기반으로 하는 서비스 변환 게이트웨이 엔진을 이용하여 이루어진다. 이 SOA기반의 서비스 변환 게이트웨이 엔진을 이용한 u-Home 서비스 통합 모델은 유비쿼터스 서비스들을 웹 서비스 형태의 서비스로 변환하고, 이를 이용해 유비쿼터스 서비스들을 일괄되게 제어할 수 있게 하여, u-Home 내에서의 유비쿼터스 서비스 통합을 이루도록 하기 위한 유비쿼터스 서비스 모델이다.

• 한국방재학회:학술대회논문집
• /
• 2008.02a
• /
• pp.343-347
• /
• 2008

In Korea it continues to grow elderly population, especially the elderly who lived alone and above-average temperatures is increased by global worming lately. So that, to take immediate action and to solve social isolation for elderly people living alone, we prospect it plays an important role ubiquitous information technology(IT) such as Geosensor based on GIS, RFID and wireless sensor networks, etc. In this paper, we searched domestic and foreign response status of heat wave for the elderly and proposed u-Care service for the elderly to stay indoors during heatwave warning. In future, we will design u-Care system and carry out various researches on accuracy, revitalization, the law, etc.

• Journal of the Korea Convergence Society
• /
• v.3 no.4
• /
• pp.1-5
• /
• 2012

The fast-paced development in the field of U-Healthcare, which is available anytime and anywhere, is being underway in accordance with the development of IT technology. U-Healthcare technology has various security threats because it is based on network. The purpose of this paper is to examine the threats of DOS / DDOS attacks based on network attacks, and to propose the response technique that fit the situation of the U-Healthcare service by modifying the existing Detecting Early DOS / DDOS attacks through Packet Counting.

• Journal of Information Technology Services
• /
• v.11 no.1
• /
• pp.325-340
• /
• 2012

KUbiquitous city(U-City) is a recent trend in urban planning and management across the globe. Currently, several typologies were developed and presented classifying U-City services, but validation research of these typologies are scarce. In this study, efforts were made to qualitatively validate the usability and practicality of a typology of u-city services. Using 228 U-City services identified in previous studies, classifying exercises were conducted against a typology. Three experts were involved in this expert heuristic exercise, against a most popularly used and comprehensive typology of U-City services. Findings indicates that the selected typology is high on comprehensive exhaustiveness, and empirical applicability while low on mutual exclusivity, simplicity and theoretical contribution. Implications for the typology improvement are suggested followed by limitations and directions for further research.

• THE INTERNATIONAL COMMERCE & LAW REVIEW
• /
• v.51
• /
• pp.441-464
• /
• 2011

It is childhood yet in uTradeHub system practical use. According as company's necessity of cost-saving is increased according to trade terms aggravation such as uncertainty of international money market, commodities prices rise, necessity of e-trade practical use in company is increased. Use is inevitable by state that link with e-Nego and e-B/L service with related presentation e-L/C banks is not made. At the present users are doing specification only service this main point, and practical use activation through public information and marketing about service is needed situation because most of, companies which is not using service, do not know about existence availability of uTradeHub system, usage, availability. This study presented five such as early materialization of user center's link and integration, medium and small enterprises e-trade participation extension, utilization ratio raising through government's public information, e-trade cooperation business activation between the country, electronic documents standardization etc. by prompting competition about practical use of uTradeHub system.

• Journal of Digital Convergence
• /
• v.9 no.6
• /
• pp.165-172
• /
• 2011

In this paper, we introduce an integrated performance evaluation model defined by the three indices (evaluation index for each evaluation stage, performance viewpoint, and performance type) and analyze the utilization and satisfaction of the seven public u-IT services implemented from 2008 to 2009 using the proposed model. From the performance results of the public u-IT services, it was found out that most of the research goals initially set by the public u-IT service support projects were satisfied. Furthermore, we suggest improvement directions and promotion strategies of future projects.

• IEMEK Journal of Embedded Systems and Applications
• /
• v.2 no.2
• /
• pp.123-127
• /
• 2007

Through USN field Test Projects launched in 2005, 9 USN application service models such as u-Ocean, u-Construction, u-Farm, u-Hospital has been deployed. We conducted technical, industrial, economical feasibility tests to verify those services. This thesis will cover briefly the current situation of USN industry domestically and internationally. It will show the future prospect of convergence service model based on USN in conjunction with research details and results from previous USN field Test Projects.

• Journal of the Korea Society of Computer and Information
• /
• v.17 no.8
• /
• pp.81-90
• /
• 2012

For digital TV, the recommendation of u-health personalized service of semantic environment should be done after evaluating individual physical condition, illness and health condition. The existing recommendation method of u-health personalized service of semantic environment had low user satisfaction because its recommendation was dependent on ontology for analyzing significance. We propose the personalized service recommendation method based on Naive Bayesian Classifier for u-health service of semantic environment in digital TV. In accordance with the proposed method, the condition data is inferred by using ontology, and the transaction is saved. By applying naive bayesian classifier that uses preference information, the service is provided after inferring based on user preference information and transaction formed from ontology. The service inferred based on naive bayesian classifier shows higher precision and recall ratio of the contents recommendation rather than the existing method.

• The Journal of the Korea institute of electronic communication sciences
• /
• v.8 no.9
• /
• pp.1351-1358
• /
• 2013

This paper aims to study the effects of quality of u-City public service on customer satisfaction in the Korea and is summarized as follows. First, we propose a model for assessing customer's satisfaction on u-City public services. The model comprises of information system (IS) quality, information quality, service quality and publicity. For verifying a model, a statistical study by SPSS 12.0 and AMOS 16.0 has been performed. Second, it is shown from the analysis that information system (IS) quality, information quality and publicity have a positive effect on customer satisfaction. while service quality does not. Last, the study shows that u-City public service enables any citizen to connect to necessary service in anytime and anywhere.