• Proceedings of the Korean Society of Computer Information Conference
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• 한국컴퓨터정보학회 2018년도 제57차 동계학술대회논문집 26권1호
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• pp.175-176
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• 2018

다문화주의는 문화적 다양성을 장려하는 생각이나 정책을 말한다. 통계청의 자료에 따르면, 우리나라도 1990년대 이후로 꾸준히 국제결혼이 증가하면서, 2010년에는 다문화 가정이 38만 6977가구로 나타났으며 사회적 영향력과 문제점을 가지고 있다. 그 중 하나로 다문화 가정 자녀의 학교생활에 대한 적응과 다양성 존중을 위한 다문화 아동에 대한 이해로, 본 논문에서는 학생, 교직원, 시민들이 참여하여 다문화에 대한 다양성을 학습하고 이해하여 소통할 수 있는 모바일 서비스를 제안한다.

• Proceedings of the Korean Information Science Society Conference
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• 한국정보과학회 2004년도 봄 학술발표논문집 Vol.31 No.1 (B)
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• pp.865-867
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• 2004

유무선 인터넷의 발달로, PDA, 셀룰러폰, Hand-held PC 등 low-end로부터 high-end까지의 다양한 규모의 하드웨어 자원을 가지는 유무선 단말들이 속속 등장하고 있다. 웹 상의 점보 표현을 위한 표준으로 자리잡은 확장성 표기 언어인 XML을 위한 파서 및 뷰어는 그러한 단말에서의 자료 브라우징을 위해 필수적으로 임베딩 되어야할 소프트웨어 중의 하나이다. 본 논문에서는 국내의 모바일 표준 플랫폼 규격으로 채택된 WIPI 기반의 모바일 단말에 내장되어 수행되는 소규모 모듈 기반의 XML 파서가 설계, 구현되며, 그 응용으로 간단한 전자책 뷰어가 구현된다. 본 XML 파서는 경량급으로 셀룰러 폰과 같은 소규모 단말로의 내장을 위해 유용하다.

• Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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• 한국정보통신학회 2014년도 춘계학술대회
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• pp.929-932
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• 2014

As Smartphone Popularity Increases, mobile games market has been received increasing attention. Therefore, Games that offers a variety of Characters desired by the user is increased. and become industrial extension in the Korea mobile device market from 2012, this paper, we purposed to research and analyze effective designs of playing character that impact directly on success of the mobile role playing game.

• Journal of Digital Convergence
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• 제8권3호
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• pp.95-113
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• 2010

The mobile commerce (m-commerce) has very high market value unlike other technology innovation areas in IT industries and also changing rapidly. Therefore, it is fact that the development of the effective business strategy is challenging in a digital convergence era of m-commerce context. In most of the researches, m-commerce has dealt with conceptual study such as establishment of definition. There are not many studies of influence of information valuation evaluation on users' satisfaction have done so far. In this paper, we have reported a theoretical study as well as empirical analysis and examined an influence of information valuation evaluation have on users' satisfaction. A questionnaire was constructed and data were collected from 192 users of m-commerce system. The results indicated that users' satisfaction was affected by information valuation evaluation and difference between cost satisfaction and service quality satisfaction according to users' specialty.

• Journal of the Korea Society of Computer and Information
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• 제20권4호
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• pp.17-23
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• 2015

In this paper, we propose a mobile app clustering method using word clusters. Considering the quick change of mobile app trends, the proposed method divides the mobile apps into some semantically similar mobile apps by applying a clustering algorithm to the mobile app set, rather than the predefined category system. In order to alleviate the data sparseness problem in the short mobile app description texts, the proposed method additionally utilizes the unigram, the bigram, the trigram, the cluster of each word. For the purpose of accurately clustering mobile apps, the proposed method manages to avoid exceedingly small or large mobile app clusters by using the word clusters. Experimental results show that the proposed method improves 22.18% from 57.48% to 79.66% on overall accuracy by using the word clusters.

• The Journal of the Korea Contents Association
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• 제13권4호
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• pp.8-16
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• 2013

Active studies are under way on telemedicine and medical support based on mobile devices in order to vitalize U-Healthcare. Especially when the medical law is revised to allow a remote prescription system, studies on a mobile prescription system will rapidly increase. And yet since mobile apps have less compatibility due to the nature of mobile platform, there is a restriction that they have to be redeveloped to be compatible with the platform. To compensate this problem, this study designs a mobile web prescription interface by using HLTML5, the standard language of mobile web development and jQuery Mobile, a JavaScript Library. It also adds a feature of converting to a form of standard protocol HL7-based messages to share data with existing hospital information system. This interface makes it possible to be interlocked with the existing hospital information system through the transmission of the HL7 messages. The advantage of the proposed system is that it can be used in various environments since it is independent of mobile platforms and compatible with general computers.

• Journal of Korean Society for Geospatial Information Science
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• 제22권4호
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• pp.107-115
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• 2014

Visibility of the road influence the safe driving because it recognizes the obstacle on the road. In this paper, we propose a mobile data acquisition and processing system for evaluating road visibility at night. And it was converted efficiently with mobile images and archived for spatial analysis of road-visibilities at night. This was applied to the following techniques to the system. Low-power computing units, open an image processing library, GPU-based acceleration techniques and document database techniques, etc. And converting the RGB image to the YUV color system, which was integrated the brightness component and the spatial information. High performance Android devices were used to collect brightness data on roads and it was confirmed whether this prototype was to determine the spatial distribution of such acquisition and management systems for spatial-assessments of road visibility at night.

• Journal of the Korean Association of Geographic Information Studies
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• 제20권1호
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• pp.152-161
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• 2017

Making precise 3D maps using Mobile Mapping System (MMS) sensors are essential for the development of self-driving cars. This paper conducts research on the extraction of 3D objects around the roads using the point cloud acquired by the MMS Light Detection and Ranging (LiDAR) sensor through the following steps. First, the digital surface model (DSM) is generated using MMS LiDAR data, and then the slope map is generated from the DSM. Next, the 3D objects around the roads are identified using the slope information. Finally, 97% of the 3D objects around the roads are extracted using the morphological filtering technique. This research contributes a plan for the application of automated driving technology by extracting the 3D objects around the roads using spatial information data acquired by the MMS sensor.

• Korean Journal of Remote Sensing
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• 제28권2호
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• pp.245-253
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• 2012

The public and civilian demands regarding 3D geo-spatial information processing on mobile device including smartphone are increasing. But there are few actual implementations or application cases. This work is to present some results by a prototype implementation of 3D terrain information visualization function with satellite image and DEM using HTML5 WebGL, which is a web-based graphic library under the standardization process. This is a useful standard for cross-platform operation for 3D graphic rendering without other plug-in modules. As the results, in the different types of operating system or browser in a personal computer or a smartphone, it shows same rendering results, as long as they support HTML5 WebGL. As well;geo-metadata search and identification functions for data sets for 3D terrain visualization process are added in this implementation for the practical aspect.

• Journal of Digital Contents Society
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• 제5권2호
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• pp.133-142
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• 2004

The purpose of this study is to analyze characteristic of mobile commerce based on mobile internet and diagnose obstacles and suggest promotional plans in terms of for mobile commerce. First of all, this study defines the concept of mobile internet and mobile commerce as on, and then analyzes the characteristic and the status quo of mobile commerce in the aspect of technology and business and customer. In conclusion this study there are many problems to overcome to expand mobile commerce environment. However, the environment of internet is moving from online to wireless and the volume of e-commerce through internet is growing rapidly. Thus, mobile commerce will be a matter of course in information society.