• 제목/요약/키워드: information database

검색결과 8,496건 처리시간 0.034초

음성 데이터베이스로부터의 효율적인 색인데이터베이스 구축과 정보검색 (The Extraction of Effective Index Database from Voice Database and Information Retrieval)

  • 박미성
    • 한국도서관정보학회지
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    • 제35권3호
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    • pp.271-291
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    • 2004
  • 전자도서관과 같은 정보제공원은 이미지, 음성, 동영상 등과 같은 비정형 멀티미디어 데이터 서비스에 대한 요구를 받고 있다. 그리하여 본 연구에서는 음성 처리를 위해 어절생성기, 음절복원기, 형태소분석기, 교정기를 제안하였다. 제안한 음성처리 기술로 음성데이터베이스를 텍스트데이터베이스로 변환 한후 텍스트데이터베이스로부터 색인데이터베이스를 추출하였다. 그리고 추출한 색인데이터베이스로 텍스트와 음성의 내용기반정보검색에 활용할 수 있음을 보이기 위해 정보검색모델을 제안하였다.

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Conceptual Data Modeling on the KRR-1&2 Decommissioning Database

  • Park, Hee-Seoung;Park, Seung-Kook;Lee, Kune-Woo;Park, Jin-Ho
    • Nuclear Engineering and Technology
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    • 제34권6호
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    • pp.610-618
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    • 2002
  • A study of the conceptual data modeling to realize the decommissioning database on the HRR-1&2 was carried out. In this study, the current state of the abroad decommissioning database was investigated to make a reference of the database. A scope of the construction of decommissioning database has been set up based on user requirements. Then, a theory of the database construction was established and a scheme on the decommissioning information was classified . The facility information, work information, radioactive waste information, and radiological information dealing with the decommissioning database were extracted through interviews with an expert group and also decided upon the system configuration of the decommissioning database. A code which is composed of 17 bit was produced considering the construction, scheme and information. The results of the conceptual data modeling and the classification scheme will be used as basic data to create a prototype design of the decommissioning database.

지반조사자료 정보화 시스템 구축 (Development of Database System for Ground Exploration)

  • 우철웅;장병욱
    • 한국농공학회:학술대회논문집
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    • 한국농공학회 1998년도 학술발표회 발표논문집
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    • pp.395-400
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    • 1998
  • This paper presents a geotechnical information system(HGIS) developed for Korea Highway Corporation. To make a database for boring information, characterization study of boring data is carried out. Based on tile study, the HGIS database is developed as a relational database. The HGIS database consists of 23 tables including 13 reference tables. For an effective database management, a boring log program called GEOLOG is developed. GEOLOG can print boring log and store those data to tile HGIS database.

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컨조인트 분석을 이용한 지식정보 데이터베이스 서비스 품질에 대한 고객 선호도 조사 (Use of Conjoint Analysis to Test Customer Preferences on Database Service Quality for Knowledge Information)

  • 박혜민;박희준;백민호;박종우
    • 한국IT서비스학회지
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    • 제7권2호
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    • pp.13-23
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    • 2008
  • This research is to study the core factors for knowledge information database service and very important database service quality factors to improve customer satisfaction. The database service quality has been critical issue rather than just information service in these days, because the qualitative aspect is becoming more important factors rather than quantitative aspect. As database service quality has been influenced by satisfaction of database user, it needs to try to get excellent results by enhancing ability to obtain information. In order to satisfy this condition, it needs to measure database service quality more accurately first. In this study, we apply conjoint analysis to measure how much to give quality condition to achieve customer satisfaction.

최소 권한 계정 분리 모델을 이용한 데이터베이스 엑세스 제어 연구 (A Study on Database Access Control using Least-Privilege Account Separation Model)

  • 장영수
    • 디지털산업정보학회논문지
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    • 제15권3호
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    • pp.101-109
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    • 2019
  • In addition to enabling access, database accounts play a protective role by defending the database from external attacks. However, because only a single account is used in the database, the account becomes the subject of vulnerability attacks. This common practice is due to the lack of database support, large numbers of users, and row-based database permissions. Therefore if the logic of the application is wrong or vulnerable, there is a risk of exposing the entire database. In this paper, we propose a Least-Privilege Account Separation Model (LPASM) that serves as an information guardian to protect the database from attacks. We separate database accounts depending on the role of application services. This model can protect the database from malicious attacks and prevent damage caused by privilege escalation by an attacker. We classify the account control policies into four categories and propose detailed roles and operating plans for each account.

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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데이터베이스 기술 분류 표준화 연구 (A Study on the Standardization for the Classification of Database Technologies)

  • 최명규
    • 정보관리연구
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    • 제27권2호
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    • pp.33-64
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    • 1996
  • 본 연구는 데이터베이스 기술분류의 표준시안을 제시하기 위하여 1차년도(1994년) 연구 결과에 대한 관점을 체계화하고 구체화시켜 수정, 보완하는 형식으로 이루어졌다. 분류관점을 정보와 이를 지원하는 시스템 측면으로 크게 나누어, 데이터베이스 일반, 정보유통, 정보검색, 데이터베이스 시스템, 주변 관련주제를 분류기준으로 하는 표준 시안의 모형이 제시되었다.

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Patome: Database of Patented Bio-sequences

  • Kim, SeonKyu;Lee, ByungWook
    • Genomics & Informatics
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    • 제3권3호
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    • pp.94-97
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    • 2005
  • We have built a database server called Patome which contains the annotation information for patented bio-sequences from the Korean Intellectual Property Office (KIPO). The aims of the Patome are to annotate Korean patent bio-sequences and to provide information on patent relationship of public database entries. The patent sequences were annotated with Reference Sequence (RefSeq) or NCBI's nr database. The raw patent data and the annotated data were stored in the database. Annotation information can be used to determine whether a particular RefSeq ID or NCBI's nr ID is related to Korean patent. Patome infrastructure consists of three components­the database itself, a sequence data loader, and an online database query interface. The database can be queried using submission number, organism, title, applicant name, or accession number. Patome can be accessed at http://www.patome.net. The information will be updated every two months.

A Study on the Korea Database Industry Promotion Act Legislation

  • Bae, Seoung-Hun;Lim, Jung-Sun;Lee, Jae-Jin;Park, Cheon-Woong;Shin, Kwang-Min;Kang, Sang-Kyu;Yoon, Jin-Sun;Shin, Minsoo
    • Journal of Information Science Theory and Practice
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    • 제1권3호
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    • pp.60-73
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    • 2013
  • The Database Industry Promotion Act was proposed at the National Assembly plenary session on July 26, 2012 and since then it has been in the process of enactment in consultation with all the governmental departments concerned. The recent trend of economic globalization and smart device innovation suggests a new opportunity and challenges for all industries. The database industry is also facing a new phase in an era of smart innovation. Korea is in a moment of opportunity to take an innovative approach to promoting the database industry. Korea should set up a national policy to promote the database industry for citizens, government, and research institutions, as well as enterprises. Above all, the Database Industry Promotion Act could play a great role in promoting the social infrastructure to enhance the capacity of small and medium-sized enterprises. This article discusses the background of the development of the Database Industry Promotion Act and its legislative processes in order to clarify its legal characteristics, including the meaning of the act. In addition, this article explains individual items related to the overall structure of the Database Industry Promotion Act. Finally, this article reviews the economic effects of the database industry for now and the future.

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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