• Proceedings of the Korea Information Processing Society Conference
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• 2003.11b
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• pp.1177-1180
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• 2003

차세대 비젼 컴퓨팅 환경인 유비쿼터스 컴퓨팅(Ubiquitous Computing)환경에서는 사용자에 대한 상황(context)변화에 적응적(adaptive)으로 서비스 해줄 수 있는 응용이 필수적인 요소라고 할 수 있다. Service기반의 분산 네트워크인 JINI를 기반으로, 사용자에 대한 상황을 인식(context-aware)하기 위한 시스템 연구 역시 관심의 대상이라고 한 수 있겠다. 본 논문에서는 이러한 환경을 기반으로 사용자에 대한 행동, 감정상태, 위치와 같은 정보를 인식할 수 있으며, 검색을 통해 사용자의 위치정보, 활동형태 등의 context들을 질의 할 수 있는 Context-aware 챗팅 프로그램을 기술하고 있다. 또한 인터페이스를 사용하는 사용자들에 대한 context 데이터의 표현과 질의를 위해 메타언어인 eXtensible Makup Language (XML)을 사용하였다. 이러한 context-aware system은 편재형 컴퓨팅환경 하에서 사용자에게 유효한 context를 생성 및 관리, 응용 서비스에서 유용하게 이용할 수 있을 것이다.

• Proceedings of the Korean Information Science Society Conference
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• 2002.10d
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• pp.1-3
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• 2002

최근 S/W관련 산업계에서는 조직의 프로세스 개선 요구가 증대되고 있다. 이는 수준 높은 소프트웨어의 품질과 개발, 유지 보수 비용의 최소화, 제품 출하시간의 단축을 위하여 소프트웨어 프로세스에 대한 예측, 통재 가능성을 증가시키기 위함이다. 따라서 SPICE / CMM와 같은 표준을 사용하여 조직의 프로세스 능력 수준을 평가하고 수준향상을 꾀하고, 기업이 최고도의 높은수준에 도달하기 위해서는 조직의 비젼에 대응한 정량적인 모델에 의한 프로젝트 관리가 필요하다. 본 논문에서는 목표기반 (GQM) 방법을 도입하여 소프트 웨어 프로세스 개선 (SPI)을 추진하고, 경험공장(EF)를 구축하는 기반이 되는 프로젝트 정보 구축 모델을 설계하고 이 과정의 방법론과 모델을 UML로 표현하여 검증하고, 사례연구를 통한 모델의 신뢰성을 확인하고자 한다. 목표기반 방법을 사용하여 조직의 목표를 도출해 내고, 구축된 조직의 목표를 SPA에서 나온 개선사항에 프로젝트의 목표로 투영하여 조직전체의 프로세스가 조직의 목표에 맞추어 나아감으로서, 조직의 프로세스 개선과 최적화를 성취할 수 있게 한다.

• Proceedings of the Korean Institute Of Construction Engineering and Management
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• 2004.11a
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• pp.625-628
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• 2004

Even though the tower crane is a major equipment in a construction of high rise buildings, there are lack of studies of it. This study is presenting a framework of developing a intelligent tower crane applied with the technology of machine-vision, RFID(Radio Frequency Identification), or GPS(Global positioning System) and proposing the prototype of machine-vision module, sub module of this Framework. Through monitoring form CCTV(Closed Circuit Television) and LCD(Liquid Crystal Display) in machine-module the real time communication between in-site workers and crane operator is possible. this will improve the productivity and safety of the tower crane.

• Journal of the Korea Society of Computer and Information
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• v.8 no.4
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• pp.176-185
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• 2003

The SCM is on the effective treatment solution that has process schedule, material supplying, inventory management for perfect product these days. The SCM is innovative process activity to attain effective whole. It depends on the structure of approach because supplying network is consist of organization, budgeting, responsibility and authority. The major objective of the thesis was to propose the integration model and structure method technique of the SCM. Thus, to implement strategy model, firstly, it is determined repairs and non-effectiveness of supplying network. secondly, to set up future vision and goal, it is considered success factor of supplying net. thirdly, no gaps introduce between present and future of supplying net fourthly as above-mentioned consequence, Alternative is to set up integration and implementing model according to enterprise administration strategy .

• The KIPS Transactions:PartD
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• v.11D no.7 s.96
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• pp.1349-1356
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• 2004

The interest of version management is increasing in electronic commerce requiring data mining and documents processing system related to digital governmentapplications. In this paper, we define a change set that is to manage historicalinformation and to maintain XML documents during a long period of time and propose several storage policies of XML documents using a change set. A change set includes a change oper-ation set and temporal dimensions and a change operation set is composed with schema change operations and data change operations. We pro-pose three storage policies using a change set. Three storage policies are (1) storing all the change sets, (2) storing the change sets and the versions periodically. (3) storing the aggregation of change sets and the versions at a point of proper time. Also, we compare the performance between the existing storage policy and the proposed storage policies. Though the performance evaluation, we show that the method to store the aggregation of change sets and the versions at a point of proper time outperforms others.

• Journal of Digital Contents Society
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• v.19 no.5
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• pp.935-944
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• 2018

The purpose of this study is to investigate the impact of Airline Partner Organization members ' perception of supply chain management characteristics on the satisfaction of the relationship and to verify the parameter effectiveness of collaboration. An empirical study was conducted through survey techniques to achieve the objectives of the study. Research has shown that the factors for building trust, immersion, and sharing of vision tables, other than information sharing, are significant prerequisites for collaboration. We have identified statistically significant effects of collaborative factor on relationship satisfaction factor. Additionally, it was confirmed that there was a parameter effect between supply chain management characteristics recognition and relationship satisfaction by testing the effectiveness of the collaboration.

• Proceedings of the KSR Conference
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• 2007.05a
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• pp.1344-1368
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• 2007

The Advanced countries including Japan, USA and European countries are adopting automatic system(e.g., auto-measurement using CCD camera) for measuring pantograph sliding plate and wheel abrasion to minimize manpower for E.M.U(Electric Multiple Unit) inspection and maintenance as part of management rationalization of railroad Corporation since late 1980's. In Korea, as part of scheme of business rationalization, automatic system for measuring pantograph sliding plate and wheel abrasion started to draw industry attention since late 1990s, and the system started to be installed in newly built depots of Korea Railroad Corporation since 2002. This study hopefully provides the base for realizing business rationalization and applying the advanced technology developed by Korea, the country of powerful IT basis, to overseas railroad organizations by examining automatic system for measuring pantograph sliding plate abrasion using existing CCD cameras produced domestically and in foreign countries to study cases(organizations in Korea) for improvement of measurement, management and inspection of pantograph sliding plate abrasion using CCD cameras with new cutting-edge technology; and by applying the study result to railroad organizations in metropolitan areas in Korea.

• Journal of Korean Society for Geospatial Information Science
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• v.18 no.1
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• pp.129-134
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• 2010

Low-carbon Green Growth is highlighted as the main political issue from in and outof Korea. Recently Korean government announced the vision for low-carbon green growth. Considering this as a starting point the carbon emission estimation has become an important factor in the city planning. In order to realize the carbon reduction planning, this research was focused on the trend analyzes between the carbon exhaust estimation as well as the land use change for the past 40 years in Jinju. The image processing data of past aerial photography and the land suitability assessment databases were used to collect the useful information's for the land trend analysis for 40 years. As the results, the land use changes by new residential developments have led to increase the carbon emissions and population concentration rapidly. The urban management planning for low carbon and green growth should consider carbon emissions by population growth derived from land use change. Further research need to estimate the accurate carbon exhaust using relationship model with fuel consumption, carbon estimation, and land use.

• Korean Journal of Construction Engineering and Management
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• v.15 no.6
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• pp.16-25
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• 2014

Recent national policy agenda of 'Low-Carbon Green Growth' has been implemented as the important vision of the country. The government has set a target of entering the seven major world powers of Green Nation at 2020, and five major world powers at 2050. In order to achieve the goal, the reduction of greenhouse gases and the composition of green land and transportation has been promoted as an important policy. In a construction industry sector, policies and technologies for reducing greenhouse gas emissions and energy have been actively developed. In the case of developed countries, research for green road infrastructure has been conducted, which is the basis for certification system of green highway. This paper benchmarks the policies and cases of developed countries, verifies the applicability in the domestic road sector, and suggests the introduction of the certification system of green highway.

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.19 no.1
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• pp.161-170
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• 2019

Multi-product mass production small and medium enterprise factories have a wide variety of products and a large number of products, wasting manpower and expenses for inventory management. In addition, there is no way to check the status of inventory in real time, and it is suffering economic damage due to excess inventory and shortage of stock. There are many ways to build a real-time data collection environment, but most of them are difficult to afford for small and medium-sized companies. Therefore, smart factories of small and medium enterprises are faced with difficult reality and it is hard to find appropriate countermeasures. In this paper, we implemented the contents of extension of existing inventory management method through character extraction on label with barcode and QR code, which are widely adopted as current product management technology, and evaluated the effect. Technically, through preprocessing using OpenCV for automatic recognition and classification of stock labels and barcodes, which is a method for managing input and output of existing products through computer image processing, and OCR (Optical Character Recognition) function of Google vision API. And it is designed to recognize the barcode through Zbar. We propose a method to manage inventory by real-time image recognition through Raspberry Pi without using expensive equipment.