• 제목/요약/키워드: Database technology

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Mobile PC를 이용한 절토사면 현황조사에 관한 연구 (A Study on Inventory of Cut-Slope using the Mobile PC)

  • 이종현;김승희;김승현;구호본
    • 한국지반공학회:학술대회논문집
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    • 한국지반공학회 2008년도 춘계 학술발표회 초청강연 및 논문집
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    • pp.813-820
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    • 2008
  • We have developed inventory database program which is available in the mobile PC. The mobile PC is convenient in terms of portability, data input, modification, practicality of various program and data confirmation in site. By utilizing the inventory database program in mobile PC, we are able to complete database in site. Then, database is converted into the Hangul document and Excel worksheet. Also, based on the above procedure, effective management and utilization of inventory on cut-slope can be achieved.

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계통보호 정정 프로그램의 데이터베이스 개선에 관한 연구 (A Study On Database Improvement Of The Power System Protection Program)

  • 김성훈;이승재;최면송;민병운
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2002년도 추계학술대회 논문집 전력기술부문
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    • pp.193-195
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    • 2002
  • This paper presents the methods to solve the problem about Power System Protection Program(PROSET) and describe the database relation and schema with UML. PROSET is a overall program system to protect power system and correct it. In the context of the PROSET it is so difficult to edit database data when topology is changed. When the renewal of data is performed. all changed values are disappeared. Therefore, it will not be expected to know the present situation by using the information of the databases data. So it is necessary to solve this problem. Solution is copy of the user. Only E.R diagram is used to express database schema and relation. So, in this paper, UML(Unified Modeling Language) will be used to express PROSET and database of MCD-H and MDT-H.

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The Design of the Selection and Alignment Queries Using Mobile Program (J2ME) for Database Query Optimization

  • Min, Cheon-Hong;Kumar, Prasanna
    • 한국경영정보학회:학술대회논문집
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    • 한국경영정보학회 2008년도 춘계학술대회
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    • pp.620-627
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    • 2008
  • In this paper, recognizing the importance of the database query optimization design methods, we implemented mobile database with mobile program (J2ME) which is a useful database procedures. In doing so, we emphasize the logical query optimization which brings mobile database to performance improvement. The research implies that the suggested mobile program (J2ME) would contribute to the realization of the efficient mobile database as the related technology develops in the future.

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The Design of the Selection and Alignment Queries Using Mobile Program (J2ME) for Database Query Optimization

  • 고완석;민천홍
    • 한국디지털정책학회:학술대회논문집
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    • 한국디지털정책학회 2003년도 창립학술대회
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    • pp.263-273
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    • 2003
  • Recognizing the importance of the database query optimization design methods, we implemented mobile database with mobile program (J2ME) which is a useful database procedures. In doing so, we emphasize the logical query optimization which brings mobile database to performance improvement. The research implies that the suggested mobile program (J2ME) would contribute to the realization of the efficient mobile database as the related technology develops in the future.

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NVST DATA ARCHIVING SYSTEM BASED ON FASTBIT NOSQL DATABASE

  • Liu, Ying-Bo;Wang, Feng;Ji, Kai-Fan;Deng, Hui;Dai, Wei;Liang, Bo
    • 천문학회지
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    • 제47권3호
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    • pp.115-122
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    • 2014
  • The New Vacuum Solar Telescope (NVST) is a 1-meter vacuum solar telescope that aims to observe the fine structures of active regions on the Sun. The main tasks of the NVST are high resolution imaging and spectral observations, including the measurements of the solar magnetic field. The NVST has been collecting more than 20 million FITS files since it began routine observations in 2012 and produces maximum observational records of 120 thousand files in a day. Given the large amount of files, the effective archiving and retrieval of files becomes a critical and urgent problem. In this study, we implement a new data archiving system for the NVST based on the Fastbit Not Only Structured Query Language (NoSQL) database. Comparing to the relational database (i.e., MySQL; My Structured Query Language), the Fastbit database manifests distinctive advantages on indexing and querying performance. In a large scale database of 40 million records, the multi-field combined query response time of Fastbit database is about 15 times faster and fully meets the requirements of the NVST. Our slestudy brings a new idea for massive astronomical data archiving and would contribute to the design of data management systems for other astronomical telescopes.

음성 DB의 메타데이타 표준화 (Meta-data Standardization of Speech Database)

  • 김상훈
    • 대한음성학회:학술대회논문집
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    • 대한음성학회 2003년도 10월 학술대회지
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    • pp.61-64
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    • 2003
  • In this paper, we introduce a new description method of annotation information of speech database. As one of structured description methods, XML based description which has been standardized by W3C will be applied to represent metadata of speech database. It will be continuously revised through the speech technology standard forum during this year

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WinBioDBs: A Windows-based Integrated Program for Manipulating Major Biological Databases

  • Nam, Hye-Weon;Lee, Jin-Ho;Park, Kie-Jung
    • Genomics & Informatics
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    • 제7권3호
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    • pp.175-177
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    • 2009
  • We have developed WinBioDBs with Windows interfaces, which include importing modules and searching interfaces for 10 major public databases such as GenBank, PIR, SwissProt, Pathway, EPD, ENZYME, REBASE, Prosite, Blocks, and Pfam. User databases can be constructed with searching results of queries and their entries can be edited. The program is a stand-alone database searching program on Windows PC. Database update features are supported by importing raw database files and indexing after downloading them. Users can adjust their own searching environments and report format and construct their own projects consisting of a combination of a local databases. WinBioDBs are implemented with VC++ and its database is based on MySQL.

음성 DB 부가 정보 기술방안 표준화를 위한 제안 (Standardization for Annotation Information Description of Speech Database)

  • 김상훈;이영직;한민수
    • 대한음성학회지:말소리
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    • 제47호
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    • pp.109-120
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    • 2003
  • This paper presents about the activities of speech database standardization in ETRI. Recently, with the support of government, ETRI and SiTEC have been gathering the large speech corpus for the domestic speech related companies. First, due to the lack of sharing the knowledge of speech database specification, the distributed speech database has a different format. Hence it seems to be needed to have the same format as soon as possible. ETRI and SiTEC are trying to find the better representation format of speech database. Second, we introduce a new description method of the annotation information of speech database. As one of the structured description method, XML based description will be applied to represent the metadata of the speech database. It will be continuously revised through the speech technology standard forum during this year.

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지리(地理) 정보(情報) 시스템을 위한 삼단계(三段階) 데이터베이스 설계(設計) (Three-Phase Database Design for a Geographic Information System)

  • 옥한석;김갑열;김창환;김상욱;신재호;양재웅
    • 산업기술연구
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    • 제18권
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    • pp.343-353
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    • 1998
  • Effective design of a database is essential for operating application systems efficiently. This paper discusses database design for a geographic information system. This goals of database design are multiple: to satisfy the information content requirements of the specified users and applications; to provide a natural and easy-to-understand structuring of the information; and to support processing requirements and any performance objectives such as response time, processing time, and storage space. Database design is a very complex process and is decomposed in three phases: conceptual, logical, and physical design. In this paper, we first collect and analyze the requirements for a geographic information system. We also perform database design for these requirements through the three design phases systematically. Our results would contribute to the effective construction of a database for a geographic information system.

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지적재산권 보호를 위한 전통의학 DB 구축에 관한 고찰 (Grope for a Summary Program about a Traditional Medical Database for Intellectual Property Protection in WIPO)

  • 최환수;이제현;김용진
    • 대한한의학회지
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    • 제25권3호
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    • pp.12-19
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    • 2004
  • Objectives : In the WIPO conference about the protection of intellectual property for traditional knowledge (TK) and genetic resources (GR), there was a demand concerning the necessity of recognizing the invention of TK and GR and the foundation of a related database. Methods : In the standard of the foundation of a database, the content and resource identification standards, the technological standards and the security and transmission standards were discussed. In a decision on intellectual property, it means the protection and recognition as a technology precedent of the materials of the database. Results : Massive material on traditional medical care technology in Korea has existed in many areas. However, it is hard to make a database because it is difficult to organize and find the data. In addition, a database demanded by WIPO is not only the material of images or texts of simple technology information, but also the use of patent decisions about traditional knowledge technology and the public sharing of information in related areas. A traditional medical care database would consist of the core of a subject and the related areas. The core part is the medical herb resource and Oriental clinical technology. Conclusions : These are necessary to detail the kind of medicines and prescriptions, their use, and their processing. In the related areas, it needs to detail PIAS and clinical data in regarding the industrialization. These DB have to protect the TK and the GR of Korea.

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