• Title/Summary/Keyword: metadata management

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Harvest and Providing System based on OAI for Science Technology Information (OAI 기반 과학기술정보 수집 제공 시스템)

  • Yoon, Jun-Weon
    • Journal of Information Management
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    • v.38 no.1
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    • pp.141-160
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    • 2007
  • Many contents produced and provided as development of information technology on the internet. Especially discussion that collecting and storing of digital information resources, is expanded as growing dependence on academic information of research workers. Open Access is a new paradigm of information distribution that is opposite concept of high price distribution academic information. It is an OAI system that is intended to collect and automate open access data in good order. This paper constructs stOAI based on OAI that is a science and technology information providing system. This system provides international academic journal free of charge that collect and store through OAI protocol in OA(Open Access) of yesKISTI(science and technology information portal service). Also, It provides automate and centralize science technology information, that KISTI has, to external institution as a standard type.

An Analysis of Teacher Librarians' Preference on Subjects for their Customized Intensive In-Service Training Program (사서교사의 맞춤형 심화연수 프로그램용 연수과목에 대한 선호도 분석)

  • Song, Gi-Ho
    • Journal of the Korean Society for Library and Information Science
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    • v.45 no.2
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    • pp.163-184
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    • 2011
  • The aim of this study is providing basic data to design successful in-service training program for teacher librarians by analyzing their preference on subjects of customized intensive programs for indicators of teacher expertise development. According to the survey, teacher librarians seem to regard training subjects such as Reading Education and Information Literacy Instruction related educational information services as core jobs and prefer developing instructional contents and materials. Under the levels of school it seems that teacher librarians in the elementary school are interested in programs for library activation, management of volunteers, analyses of users' needs and curricula, evaluations of user instruction and information literacy instruction. Older teacher librarians favor an understanding of metadata, building and supporting information system and instruction. Therefore, training subjects for teacher librarians should be formed by linking strategies between school library instruction and subject curricula. And in terms of the method of training, case studies and practical training might be better than lectures based on the theory.

Development of the Bibliographic Information Network Prototype for Biology and Life Science (생명과학 문헌정보 네트워크 프로토타입 개발)

  • Ahn, Bu-Young;Song, Chi-Pyoung
    • Journal of Information Management
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    • v.36 no.2
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    • pp.125-151
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    • 2005
  • The eight types of Korean bibliographic information of biology and life science are included in PubMed that serves universal medical bibliographic information. Other domestic bibliographic information are served on its own format at different organizations. To fulfill the CCBB homepage user's request that it is necessary that integration of bibliographic service for quick acquisition of research information, we intends to construct metadata registry and service about bibliographic information of biology and life science. This paper describes the design and implementation of bibliographic information network prototype for biology and life science that can be used to share latest research result, seminar presentation data, research note, and research paper etc as well as to exchange information between researchers through Open Archiving Community.

Propose of Efficient u-smart tourist information system in Ubiquitous Environment (유비쿼터스 환경에서 효율적인 u-스마트 관광정보시스템 제안)

  • Sun, Su-Kyun
    • Journal of Digital Convergence
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    • v.11 no.3
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    • pp.407-413
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    • 2013
  • For Ubiquitous service, there are some method researched. To IT convergence study tourism the convergence of IT and tourism in recent years has emerged as a discipline in the future. Tourist information is information about tourism products as tourists tourism decision-making needed to say. Information presented information anytime, anywhere, using a contact-type media, mobile and efficient tourist information content and generate content using Smart App store to the database is needed. This paper, by taking advantage of the Smart App Places to generate content and Smart Things to query, modify, search, tourism information, tourism policy and tourists can be analyzed, and the average inclination and these efficient tourism information content and that can be utilizedmodels are proposed. This u-Smart is a tourist information system. Build the biggest advantages of the meta-meta-model in real time by utilizing Smart App disposition of existing tourism information and tourist and tourism rating database. Helps to generate patterned by digital tourism policy tourism information content.

An Effective Query Rewriting Method in Secure XML Access Control (안전한 XML 접근제어에서 효율적인 질의 재작성 기법)

  • An, Dong-Chan;Byun, Chang-Woo
    • Journal of the Korea Society of Computer and Information
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    • v.11 no.5 s.43
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    • pp.127-137
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    • 2006
  • We propose two phase filtering scheme to develop an efficient mechanism for XML databases to control query-based access. An access control environment for XML documents and some techniques to deal with fine-grained authorization priorities and conflict resolution issues are proposed. Despite this, relatively little work has been done to enforce access controls particularly for XML databases in the case of query-based access. The basic idea utilized is that a user query interaction with only necessary access control rules is modified to an alternative form through a query optimization technique, which is guaranteed to have no access violations using tree-aware metadata of XML schemas. The scheme can be applied to any XML database management system and has several advantages such as small execution time overhead, fine-grained controls, and safe and correct query modification. The experimental results clearly demonstrate the efficiency of the approach.

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Data Replication and Migration Scheme for Load Balancing in Distributed Memory Environments (분산 인-메모리 환경에서 부하 분산을 위한 데이터 복제와 이주 기법)

  • Choi, Kitae;Yoon, Sangwon;Park, Jaeyeol;Lim, Jongtae;Bok, Kyoungsoo;Yoo, Jaesoo
    • KIISE Transactions on Computing Practices
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    • v.22 no.1
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    • pp.44-49
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    • 2016
  • Recently, data has been growing dramatically along with the growth of social media and digital devices. A distributed memory processing system has been used to efficiently process large amounts of data. However, if a load is concentrated in a certain node in distributed environments, a node performance significantly degrades. In this paper, we propose a load balancing scheme to distribute load in a distributed memory environment. The proposed scheme replicates hot data to multiple nodes for managing a node's load and migrates the data by considering the load of the nodes when nodes are added or removed. The client reduces the number of accesses to the central server by directly accessing the data node through the metadata information of the hot data. In order to show the superiority of the proposed scheme, we compare it with the existing load balancing scheme through performance evaluation.

A Persistence Framework Based SQL (SQL 기반 퍼시스턴스 프레임워크)

  • Cho, Dongil-Il;Rhew, Sung-Yul
    • The KIPS Transactions:PartD
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    • v.15D no.4
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    • pp.549-556
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    • 2008
  • Web-based Enterprise Intranet System is developed Object-oriented programming language and data management is constructed using RDBMS. Between Object-oriented programming language and RDBMS bring about "Object-Relational Impedance Mismatch" due to heterogeneous paradigm. To solve this kinds of problems commonly use the ORM Framework that it is converting data between incompatible type systems in databases and object-oriented programming languages, uses complex mapping metadata. It causes difficult to develop and maintain because of inflexible in changes. This paper proposed persistence framework that solve the existing complexity of ORM framework and has more flexible in evolution of database table. This persistence framework is unnecessary meta information that connecting with entity of database table and the objects, it offers users convenience of maintenance and it allows far more flexible and affordable systems to be built because of automatically code generation. The result of testing based on the proposed persistence framework with Hibernate, iBATIS, It is similar response time with iBATIS and it has more about three times faster than Hibernate. But iBATIS has problems of mass data processing.

Design of Standard Data Model for the Informatization of Signboards (간판의 정보화를 위한 표준 데이터 모델 설계)

  • Kwon, Sang Il;Kim, Eui Myoung
    • Journal of the Korean Society of Surveying, Geodesy, Photogrammetry and Cartography
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    • v.38 no.3
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    • pp.197-209
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    • 2020
  • Signboards are installed in different types and sizes depending on the shop characteristics. However, the local government is having difficulty managing signboards with frequent opening and closing of stores and insufficient management personnel. In this study, a methodology was proposed to standardize and efficiently manage signboard information. To this end, the signboard display method of the enforcement ordinance related to outdoor advertising was analyzed to define the attribute elements of standard signboard data. In addition, physical information of signboards was obtained through signboard recognition technology, which is a prior study, and attribute elements of signboard standard data were defined through information that can be read with the naked eye, building integration information of the Ministry of the Interior and Safety, and street name address. In order to standardize the signboard information by spatial characteristics, data product specifications and metadata were defined according to the national spatial information standard. Lastly, standard data for signboards were produced in XML (Extensible Markup Language) format for compatibility, and XSD (XML Schema Definition) was defined for XML integrity so that data validity could be verified. Through this, a standard data model for the informatization of signboards was designed.

An Analysis on Multicultural Archives Based on Libraries (도서관 기반의 다문화 아카이브 분석 연구)

  • Cho, Yong Wan
    • Journal of the Korean BIBLIA Society for library and Information Science
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    • v.28 no.4
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    • pp.437-460
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    • 2017
  • After introducing the Industrial Trainee System in 1993, the population of immigrants coming to Korean have increased rapidly and over 2 million immigrants are living in Korea in 2017. In this situation, libraries are responsible for collecting, organizing, preserving and disseminating various records related to immigrants living in local communities but it is hard to find these kind of libraries in Korea. So, this study is trying to investigate the characteristics of multicultural archives established by libraries in other countries. To do this, 9 multicultural archives in U.S. and Canada were analyzed in terms of participating institutions and supporting institutions, types of records, digitizing and file formats, digital collection management systems and metadata schemas. At last, some suggestions were proposed to improve the function of libraries as a local multicultural archives.

Location reference technique of ITS Space Database supporting interoperability (상호운용성을 지원하는 ITS 공간 데이터베이스의 위치참조 기법)

  • Kim, Suk-Hee;Choi, Kee-Choo;Jang, Jeong-Ah
    • Journal of Korean Society for Geospatial Information Science
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    • v.12 no.1 s.28
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    • pp.45-53
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    • 2004
  • The purpose of this paper is to study a scheme to ITS service which enables the data (spatial, non-spatial and image) sharing among heterogeneous system (various environment) with employing the concept of object orientedness and to show Location Reference Technique of ITS Space DB for interoperability. Data warehouse service, query object service, interface object service, and naming object service have been identified for this. In addition, a metadata management object service and persistent object service based system framework has been devised. The proposed skeletal framework would be expected to be functioning well for ITS data sharing environment and for the interoperability support.

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