• Title/Summary/Keyword: DB design

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Design for Creating Full-Text Database of Korean Dissertation (대학도서관의 학위논문 전문DB구축방안)

  • 방준필
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.9 no.1
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    • pp.39-52
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    • 1998
  • The purpose of this study is to design the solution for creating full-text database of Korean dissertaion, After considering file formats for text based and image based database, Viewer, Search, Copy Right, Abstracts and Indexes, situation of Korea University Library, decided the principles of creating database. And suggested the design to produce the database for Korea University Library, that is easy to get file format conversion in case of the introducing new technology for the future.

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The Study on Design of the 5kW Class Inline Micro-Turbine (5kW급 인라인 마이크로 수차 설계에 대한 연구)

  • Park, Sang-Eun;Roh, Hyung-Woon
    • The KSFM Journal of Fluid Machinery
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    • v.15 no.3
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    • pp.32-38
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    • 2012
  • This paper is aimed to propose the design database(DB) of the inline micro-turbine for 5kW class. CFD analysis is performed to investigate the effect of a turbine on each parameter. This study showed that RadhaKrishna's data is different from the 5kW class in the low-head and the micro-turbine. Therefore, new DB for the design of inline micro-turbine for 5kW class could be needed. This study configured new design DB for the design of inline micro-turbine for 5kW class. The DB of this study showed that the optimal hub ratio(Dp/DR), the optimal body ratio(Db/DR) and the optimal range of body length ratio(Lh/DR) is 50%, 1.1 and 2.3 to 2.9, respectively.

Design technique of Game DB optimized with Android-base (안드로이드 기반의 최적화된 게임DB 설계기법)

  • Ryu, Chang-su;Hur, Chang-wu
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2012.10a
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    • pp.465-468
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    • 2012
  • The growth speed of the industry of national smart phone game service has become faster and the its economical and cultural effect has increased steadily these days. The DB design for data perpetuation in C/S MMO which has accumulated data a lot and many simultaneous plays like smart phone games is very important. This paper, mindful of the operation and the scalability suitable for android OS, by utilizing RDBMS, enabling very short, many transactions, their complexity, and a large amount of game data process, suggests fully-qualified MMORPG game DB design techniques widely availabe for more than online game industries.

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Progressive Design-Build: Its Functions as a Contracting Method and the Four Pillars of Project Success

  • Jeong, Euiseok;Anderson, Connor;Lin, Ken-Yu;Migliaccio, Giovanni C
    • International conference on construction engineering and project management
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    • 2022.06a
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    • pp.25-32
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    • 2022
  • As a project delivery method, Design-Build (DB) has provided owner, architect, and contractor groups with a process of early design and rapid construction for the past three decades. Although there are many benefits to using standard DB, dissatisfaction has arisen due to limitations to innovate, limited owner involvement during design, and often lengthy procurement. Progressive Design-Build (PDB) has become an appealing alternative providing benefits not seen with standard DB. This paper investigates how PDB impacts a project and how it compares against standard DB; it also presents a proposed framework for evaluating the owner's responsibility and assessment of a project, which we named the "Four Pillars of Project Success". The four pillars are defined with respect to an owner's responsibility and assessment of a project, including project predictability, project risk, project schedule, and project cost. We conducted a literature review, examined several public project case studies, analyzed PDB project information collected by the Design-Build Institute of America (DBIA), and held stakeholder interviews with owners, contractors, and architects who have used both PDB and standard DB. This paper offers insight into PDB's structure and outcomes so an owner group can make an informed decision when considering PDB as their next construction contracting method.

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Database design and production in ETLARS system (ETLARS 시스템에서의 데이터베이스 설계 및 생성에 관한 연구)

  • 김상도;박계숙;김희섭;홍기채;우동진;기민호
    • Journal of the Korean Society for information Management
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    • v.11 no.2
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    • pp.165-184
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    • 1994
  • DB production process includes a series of data analysis, DB design, source data input, data conversion and load, and DB operation and maintenance. Software development and operation technique for data input and DR production is similar to each other, even though each computer environment or the function of information retrieval system is a little different. The purpose of this paper is to introduce software for data input and DR production in ETLARS system, which is providing services to 6.000 users ( a s of Oct. 10, 1994) by Electronics and Telecommunications Research Institute, and to open know-how information in the production and operation of Hanguel DR.

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The Establishment Plan of Knowledge-Based Community through the 3-D National Underground Information DB Design and Utilization Review (3차원 국토지하정보 DB설계 및 활용성 검토를 통한 지식기반 커뮤니티 구축 방안)

  • Song, Seok-Jin;Jang, Yong-Gu;Kang, In-Joon
    • Journal of Korean Society for Geospatial Information Science
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    • v.19 no.1
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    • pp.63-70
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    • 2011
  • The national spatial information systems project which is promoted by our country has been extended from existing 2-D geographic information to 3-D spatial information as the basic geo-spatial Information. Most of the construction of the ground geo-spatial information are completed or underway, on the other hand, the construction of the subsurface geo-spatial information has difficulty caused by the lack of the drilling data characterizing the subsurface. In terms of the construction of the geo-spatial information of the subsurface, the subsurface information is constructed and managed by the domestic institutions, but the subsurface information which is possessed by the institutions was not shared mutually so it is managed inefficiently. This study presented the 3-D national underground information DB design by dividing with the ground DB item which configures the state of the ground and the soil DB item which configures the state of the soil in order to increase the efficiency of the construction of the subsurface spatial information. The implementation & utilization of the national underground information application technology was reviewed by applying the constructed DB to the actual model area, and the national underground information knowledge-based community establishment plan was presented.

A Study on the Image DB Construction for the Multi-function Front Looking Camera System Development (다기능 전방 카메라 개발을 위한 영상 DB 구축 방법에 관한 연구)

  • Kee, Seok-Cheol
    • Transactions of the Korean Society of Automotive Engineers
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    • v.25 no.2
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    • pp.219-226
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    • 2017
  • This paper addresses the effective and quantitative image DB construction for the development of front looking camera systems. The automotive industry has expanded the capability of front camera solutions that will help ADAS(Advanced Driver Assistance System) applications targeting Euro NCAP function requirements. These safety functions include AEB(Autonomous Emergency Braking), TSR(Traffic Signal Recognition), LDW(Lane Departure Warning) and FCW(Forward Collision Warning). In order to guarantee real road safety performance, the driving image DB logged under various real road conditions should be used to train core object classifiers and verify the function performance of the camera system. However, the driving image DB would entail an invalid and time consuming task without proper guidelines. The standard working procedures and design factors required for each step to build an effective image DB for reliable automotive front looking camera systems are proposed.

Integrated Database Design for Retrieval and Analysis of Local Government's Data (지자체별 데이터 조회 및 분석을 위한 통합 데이터베이스 설계 방안)

  • Im, Kwang Hyuk
    • The Journal of the Korea Contents Association
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    • v.18 no.2
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    • pp.262-268
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    • 2018
  • It is essential to build a integrated database (DB) to grasp the present status and various analysis of the economic, social and cultural sectors of local governments and to provide various inquiries on the status data of the local governments according to the purpose of analysis. This study proposed a design method of the integrated DB which can support the inquiry and analysis of the data by the local government. The integrated DB should cover a wide range of heterogeneous data on the economic, social and cultural activities of local governments, and it is necessary to design a schema that can integrate the entire data considering differences between local governments and data elements. The data should be structured in accordance with the characteristics, and it should be possible to inquire related data comprehensively through the search through the keywords. In addition, data retrieval and downloading functions are indispensable for the researcher to easily retrieve data necessary for research purpose and to download and modify data for analysis.

A study on the Standardization of Design Guidelines for Geographic Information Databases (지리정보 DB 설계 지침의 표준화 연구)

  • Lim, Duk-Sung;Moon, Sang-Ho;Si, Jong-Ik;Hong, Bong-Hee
    • Journal of Korea Spatial Information System Society
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    • v.5 no.1 s.9
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    • pp.49-63
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    • 2003
  • Recently, two international standard organizations, ISO and OGC, have done the work of standardization for GIS. Current standardization work for providing interoperability among GIS DB focuses on the design of open interfaces. But, this work has not considered procedures and methods for designing GIS DB. Eventually, GIS DB has its own model. When we share the data by open interface among heterogeneous GIS DB, differences between models result in the loss of information. Our aim in this paper is to revise the design guidelines for geographic information databases in order to make consistent spatial data models, logical structures, and semantic structure of populated geographical databases. In details, we propose standard guidelines which convert ISO abstract schema into relation model, object-relation model, object-centered model, and geometry-centered model. Furthermore, we provide sample models for applying these guidelines in commercial GIS S/Ws. Building GIS DB based on design guidelines proposed in the paper has the following advantages: the interoperability among databases, the standardization of schema definitions, and the catalogue of GIS databases through.

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Optimal Design of High Temperature Vacuum Furnace Using Thermal Analysis Database (전산 열해석 DB를 이용한 초고온 진공로 최적설계)

  • Li Zhen-Zhe;Park Mee-Young;Byun Yung-Hwan;Lee Chang-Jin;Lee Jae-Woo
    • Transactions of the Korean Society of Mechanical Engineers B
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    • v.30 no.6 s.249
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    • pp.594-601
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    • 2006
  • Optimization study has been carried out to design an energy efficient, high temperature vacuum furnace which satisfies users' design requirements. First of all, the transient temperature distribution and the uniform temperature zone results have been compared with the steady state results to validate the feasibility of using steady state solution when constructing the thermal analysis DB. In order to check the accuracy, the interpolated results using thermal analysis DB have been compared with the computational and the experimental results. In this study, total heat flux is selected as the objective function, and the geometry parameters of vacuum furnace including the thickness of insulator, the heat zone sizes and the interval between heater and insulator are the design variables. The Uniform temperature zone sizes and the wall temperature are imposed as the design constraints. With negligible computational cost a high temperature vacuum furnace which has $40\sim60%$ reduction in total heat flux is designed using thermal analysis DB.