• Information and Communications Magazine
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• v.11 no.7
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• pp.41-48
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• 1994

• TTA Journal
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• s.81
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• pp.51-55
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• 2002

• KSLA Bulletin
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• s.1
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• pp.25-35
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• 2009

• Transportation Technology and Policy
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• v.1 no.2
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• pp.9-14
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• 2004

• Proceedings of the Korea Contents Association Conference
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• 2007.11a
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• pp.421-425
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• 2007

The exponential increase of digital contents brought about the e-Challenge crisis to the librarians. How can all the e-resources be managed effectively? How can we detect all the broken links? How can we assist the users to the right resources? This paper concentrates on building CLICK(Cooperative Link Center in KOREA) as a knowledge compass by collecting diverse science & technology information and creating tight coupled links between information resources for reference linking and providing users with the optimal route for the resource per user. If the publishers, Abstract & Index DB, Searching Portal, Electronic Libraries, Full-text DB and Aggregator can be linked by using a standardized way through a CLICK, the service channels can be diversified. Users can select the channels without rein under according to a use purpose and conditions.

• Journal of Korean Society for Geospatial Information Science
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• v.14 no.3 s.37
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• pp.39-46
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• 2006

This study is aimed at the development of ubiquitous based road disaster management system. The fundamental technologies used for developing this system are classified into three modules - wireless internet communication module, mobile module and server module. These fundamental technologies can be used not only for developing road disaster management system but also for developing various mobile or ubiquitous systems. With this system, workers can download many DB (Digital map, Attribute information etc.) from server to the field in realtime. The accuracy and objectivity of the DB could be improved with these informations collected at fields because these data can be used as basic data for road disaster information collection. Because in the web based server module - Web based Road Disaster Management System (URDMS) - field disaster information was showed link up with exist DB on road by absolute coordinate, the decision making with all of the field information was made and it sent to a field staff in realtime. The problems of current road disaster management rule ran be solved by this URDMS.

• IE interfaces
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• v.8 no.3
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• pp.123-132
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• 1995

첨단생신시스템개발사업과 같은 국가전략으로 추진되는 개발사업에 있어서는, 핵심제품 및 신기술의 연구와 함께 개발성과에 대해 객관적이고 기술적인 평가시스템이 마련되어져야 한다. 본 연구는 이러한 평가시스템을 개발하기 위한 것으로써, 먼저 첨단생산시스템개발사업의 목표달성도를 주요하게 고려하여 평가대상을 시스템, 단위기계, 요소기술, S/W로 분류하고, 개발성과에 대한 평가항목으로 기술성, 신뢰성, 안전성, 경제성을 선정, 내용면에서 평가의 객관성을 보증하고자 하였다. 또한 형식적인 면에서는, 평가의 객관성 및 전문성을 보증하기 위하여 평가형태를 개발수행기업에 의한 자체평과와 위원회에 의한 위원회평가로 나누었으며, 위원회평가를 위해서는 평가자를 기술적으로 지원 할 수 있도록 개발사업에 대한 평가지원 DB시스템을 개발도록 하였다.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.19 no.5
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• pp.219-227
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• 2019

Manufacturing methods have been changed from labor-intensive methods to technological intensive methods centered on manufacturing facilities. As manufacturing facilities replace human labour, the importance of monitoring and managing manufacturing facilities is emphasized. In addition, Big Data technology has recently emerged as an important technology to discover new value from limited data. Therefore, changes in manufacturing industries have increased the need for smart factory that combines IoT, information and communication technologies, sensor data, and big data. In this paper, we present strategies for existing domestic manufacturing factory to becom big data based smart-factory through technologies for distributed storage and processing of manufacturing facility data in MongoDB in real time and visualization using R programming.

• Journal of the Korea Safety Management & Science
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• v.23 no.1
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• pp.81-94
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• 2021

In SMEs, technological innovation is recognized as an important tool in terms of sustainable growth. This study analyzed the determinants of technological innovation by using the information of the corporate panel DB composed of local SMEs. The internal factors were added with technological innovation capacity and production capacity and the industrial cluster environment was first applied to external factors. Also, whether the industrial cluster environment influences technological innovation through R&D capabilities, the mediating effect was tested with the Sobel Test. Among the internal and external factors, the most important determinant was marketing ability, and a policy was proposed to develop measures to increase R&D capability with mediating effect. Among the technological innovation variables, which are dependent variables, the most determinant factor was the proportion of new product sales. For this, it is considered that additional research such as longitudinal research with the concept of repetition and parallax using the corporate panel DB is necessary.

• Spatial Information Research
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• v.3 no.2
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• pp.147-159
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• 1995

To construct GIS successfully, mapping technology, primary S/W technology, and DB tool technology are necessarily required. Among them, the mapping technology is the most important one in constructing a GIS spatial database that needs much time and effort. In this paper, we designed and implemented a systematic and effective vectoring tool. The general vectoring process was analyzed and parted into an automated part and a remaining part for increasing overall efficiency. We also proposed a multi -level representation method for vector data and applied it to the developed vect1lring tool. We could verify usefulness of the proposed representation method.