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Volumn 38, Issue , 2004, Pages

Preservation of Digital Objects

Author keywords

[No Author keywords available]

Indexed keywords


EID: 0344497430     PISSN: 00664200     EISSN: None     Source Type: Book Series    
DOI: 10.1002/aris.1440380112     Document Type: Review
Times cited : (10)

References (82)
  • 3
    • 0039227373 scopus 로고    scopus 로고
    • Retrieved December 16, 2002
    • Bearman, D. (1996). Virtual archives. Retrieved December 16, 2002, from http://web.archive.org/web/20001022231601/www.sis.pitt.edu/̃nhprc/prog6. html
    • (1996) Virtual Archives
    • Bearman, D.1
  • 4
    • 78149444724 scopus 로고    scopus 로고
    • Understanding digital preservation: A report from OCLC
    • Washington, DC. Retrieved December 16, 2002
    • Bellinger, M. (2002). Understanding digital preservation: A report from OCLC. In The state of digital preservation: An international perspective (pp. 38-48). Washington, DC: Council on Library and Information Resources. Retrieved December 16, 2002, from http://www.clir.org/pubs/reports/pub107/pub107.pdf
    • (2002) The State of Digital Preservation: An International Perspective , pp. 38-48
    • Bellinger, M.1
  • 5
    • 0344460058 scopus 로고    scopus 로고
    • Safekeeping: A cooperative approach to building a digital preservation resource
    • Retrieved December 16, 2002
    • Berthon, H., Thomas, S., & Webb, C. (2002). Safekeeping: A cooperative approach to building a digital preservation resource. D-Lib Magazine, 8(1). Retrieved December 16, 2002, from http://www.dlib.org/dlib/january02/berthon/01berthon.html
    • (2002) D-lib Magazine , vol.8 , Issue.1
    • Berthon, H.1    Thomas, S.2    Webb, C.3
  • 7
    • 84855629262 scopus 로고    scopus 로고
    • Retrieved December 16, 2002
    • CEDARS. (2002). Cedars guide to preservation metadata. Retrieved December 16, 2002, from http://www.leeds.ac.uk/cedars/guideto/metadata/guidetometa data.pdf
    • (2002) Cedars Guide to Preservation Metadata
  • 8
    • 84855636029 scopus 로고    scopus 로고
    • Grant proposal. Retrieved December 16, 2002
    • Center for Research Libraries. (2002). Political communications Web archiving. Grant proposal. Retrieved December 16, 2002, from http://www.library.cornell.edu/iris/research/WebPolCom.pdf
    • (2002) Political Communications Web Archiving
  • 10
    • 0038928574 scopus 로고    scopus 로고
    • Metadata for digital preservation: An Update
    • online. Retrieved December 16, 2002
    • Day, M. (1999, online). Metadata for digital preservation: An Update. Ariadne 22. Retrieved December 16, 2002, from http://www.ariadne.ac.uk/issue22/metadata.
    • (1999) Ariadne , vol.22
    • Day, M.1
  • 11
    • 0344028939 scopus 로고    scopus 로고
    • Digitale Bewaring Testbed, The Hague, The Netherlands: National Archives of the Netherlands. Retrieved December 16, 2002
    • Digitale Bewaring Testbed. (2001). Migration: Context and current status. The Hague, The Netherlands: National Archives of the Netherlands. Retrieved December 16, 2002, from http://digitaleduurzaamheid.nl.bibliotheek/docs. Migration.pdf
    • (2001) Migration: Context and Current Status
  • 13
    • 0344891869 scopus 로고    scopus 로고
    • Brussels, Belgium: European Commission. Retrieved December 16, 2002
    • European Commission. Interchange of Data between Administrators. (2001). Model requirements for the management of electronic records. Brussels, Belgium: European Commission. Retrieved December 16, 2002, from http://www.cornwell.co.uk/moreq.pdf
    • (2001) Model Requirements for the Management of Electronic Records
  • 14
    • 84855633793 scopus 로고    scopus 로고
    • Washington, DC: Library of Congress. Retrieved December 16, 2002
    • Friedlander, A. (2002a). Background summary of results from interviews and essays. Washington, DC: Library of Congress. National Digital Information Infrastructure and Preservation Program. Retrieved December 16, 2002, from http://www.digitalpreservation.gov/ndiipp/repor/interviews_summary.pdf
    • (2002) Background Summary of Results from Interviews and Essays
    • Friedlander, A.1
  • 15
    • 0344891871 scopus 로고    scopus 로고
    • The National Digital Information Infrastructure Preservation Program: Expectations, realities, choices and progress to date
    • Retrieved November 28, 2002
    • Friedlander, A. (2002b). The National Digital Information Infrastructure Preservation Program: Expectations, realities, choices and progress to date. D-Lib Magazine 8(4). Retrieved November 28, 2002, from http://www.dlib.org/dlib/april02/friedlander/04friedlander.html
    • (2002) D-lib Magazine , vol.8 , Issue.4
    • Friedlander, A.1
  • 16
    • 84855635883 scopus 로고    scopus 로고
    • Retrieved December 16, 2002
    • Guggenheim Museum. (2001). Variable media initiative. Retrieved December 16, 2002, from http://www.guggenheim.org/variablemedia
    • (2001) Variable Media Initiative
  • 18
    • 84855635051 scopus 로고    scopus 로고
    • Retrieved December 16, 2002
    • Harvard University Library. Office of Information Systems. (2002). Digital repository service. Retrieved December 16, 2002, from http://hul.harvard.edu/ois/systems/drs
    • (2002) Digital Repository Service
  • 19
    • 84855616912 scopus 로고    scopus 로고
    • The digital preservation research agenda
    • Washington, DC. Retrieved December 16, 2002
    • Hedstrom, M. (2002a). The digital preservation research agenda. In The state of digital preservation: An international perspective (pp. 32-37).Washington, DC: Council on Library and Information Resources. Retrieved December 16, 2002, from http://www.clir.org/pubs/reports/pub107/pub107.pdf
    • (2002) The State of Digital Preservation: An International Perspective , pp. 32-37
    • Hedstrom, M.1
  • 21
    • 0141527191 scopus 로고    scopus 로고
    • Emulation vs. migration: Do users care?
    • online. Retrieved December 16, 2002
    • Hedstrom, M., & Lampe, C. (2001, online). Emulation vs. migration: Do users care? RLG Diginews, 5(6). Retrieved December 16, 2002, from http://www.rlg.org/preserv/diginews/diginews5-6.html#feature1
    • (2001) RLG Diginews , vol.5 , Issue.6
    • Hedstrom, M.1    Lampe, C.2
  • 24
    • 0005097206 scopus 로고    scopus 로고
    • Digital rights management (DRM) architectures
    • online. Retrieved December 16, 2002
    • Iannella, R. (2001, online). Digital rights management (DRM) architectures. D-Lib Magazine, 7(6). Retrieved December 16, 2002, from http://www.dlib.org/dlib/june01/iannella/06iannella.html
    • (2001) D-lib Magazine , vol.7 , Issue.6
    • Iannella, R.1
  • 26
    • 84855621496 scopus 로고    scopus 로고
    • Retrieved December 16, 2002
    • Institute of Electrical and Electronics Engineers. Technical Committee on Digital Libraries. (2002). Welcome to TOOL. Retrieved December 16, 2002, from http://www.ieee-tcdl.org
    • (2002) Welcome to TCOL
  • 27
    • 84855626966 scopus 로고    scopus 로고
    • Retrieved December 15, 2002
    • Inter-university Consortium for Political and Social Research. (2002). Guide to social science data preparation and archiving. Retrieved December 15, 2002, from http://www.icspr.umich.edu/Access.dpm.html
    • (2002) Guide to Social Science Data Preparation and Archiving
  • 28
    • 33749369408 scopus 로고    scopus 로고
    • Geneva, Switzerland: International Organization for Standardization. Retrieved November 28, 2002
    • International Organization for Standardization. (2001). Iso Standard 15489: Information and documentation: Records management. Geneva, Switzerland: International Organization for Standardization. Retrieved November 28, 2002, from http://www.posc.org/Componentdocs/iso_15489-1.pdf
    • (2001) Iso Standard 15489: Information and Documentation: Records Management
  • 29
    • 84855636699 scopus 로고    scopus 로고
    • Retrieved December 16, 2002
    • International Research on Permanent Authentic Records in Electronic Systems Project. (InterPARES). (2002). The long-term preservation of authentic electronic records. Retrieved December 16, 2002, from http://www.interPARES.org/book/index.htm
    • (2002) The Long-term Preservation of Authentic Electronic Records
  • 31
    • 2342461918 scopus 로고    scopus 로고
    • Retrieved December 16, 2002
    • Internet Society. (2001). Internet message format. Retrieved December 16, 2002, from http://rfc.sunsite.dk/rfc/rfc2822.html
    • (2001) Internet Message Format
  • 33
    • 84855626813 scopus 로고    scopus 로고
    • Update: Ending Microsoft FUD: An interview with Peruvian Congressman Villanueva
    • May, online. Retrieved December 6, 2002
    • Leblanc, D., & Tipton, S. (2002, May, online). Update: Ending Microsoft FUD: An interview with Peruvian Congressman Villanueva. Linux Today. Retrieved December 6, 2002, from http://linuxtoday.com/news_story.php3?ltsn=2002-05-20-006-26-IN-LF-PB
    • (2002) Linux Today
    • Leblanc, D.1    Tipton, S.2
  • 36
    • 85086421059 scopus 로고    scopus 로고
    • A methodology and system for preserving digital data
    • New York. Abstract retrieved December 16, 2002
    • Lorie, R. (2002). A methodology and system for preserving digital data. Proceedings of the Second ACM/IEEE-CS Joint Conference on Digital Libraries. New York: ACM Press. Abstract retrieved December 16, 2002, from http://doi.acm.org/10.1145/544220.544296
    • (2002) Proceedings of the Second ACM/IEEE-CS Joint Conference on Digital Libraries
    • Lorie, R.1
  • 39
    • 84855633791 scopus 로고    scopus 로고
    • Washington, DC: Library of Congress. Retrieved December 16, 2002
    • Lyman, P. (2002). Environmental scan: Webpages. Washington, DC: Library of Congress. National Digital Information and Infrastructure Preservation Program. Retrieved December 16, 2002, from http://www.digitalpreservation. gov/ndiipp/repor/repor_back_web.html
    • (2002) Environmental Scan: Webpages
    • Lyman, P.1
  • 40
    • 0013285297 scopus 로고    scopus 로고
    • Canonicalization: A fundamental tool to facilitate preservation and management of digital information
    • online. Retrieved December 15, 2002
    • Lynch, C. (1999, online). Canonicalization: A fundamental tool to facilitate preservation and management of digital information. D-Lib Magazine, 5(9). Retrieved December 15, 2002, from http://www.dlib.org/dlib/september99/09lynch.html
    • (1999) D-lib Magazine , vol.5 , Issue.9
    • Lynch, C.1
  • 41
    • 10344239174 scopus 로고    scopus 로고
    • The battle to define the future of the book in the digital world
    • online. Retrieved December 16, 2002
    • Lynch, C. (2001, online). The battle to define the future of the book in the digital world. FirstMonday, 6(6). Retrieved December 16, 2002, from http://www.firstmonday.dk/issues/issue6_6/lynch.
    • (2001) FirstMonday , vol.6 , Issue.6
    • Lynch, C.1
  • 45
    • 84855631229 scopus 로고    scopus 로고
    • Retrieved December 16, 2002
    • Massachusetts Institute of Technology Libraries. (2002). DSpace: Durable digital repository. MIT Services. Retrieved December 16, 2002, from http://dspace. org/mit/services.html
    • (2002) DSpace: Durable Digital Repository. MIT Services
  • 46
    • 0344460051 scopus 로고    scopus 로고
    • Tech Report 2001-2. San Diego, CA: San Diego Supercomputer Center
    • Moore, R. W. (2001). Knowledge-based grids. (Tech Report 2001-2). San Diego, CA: San Diego Supercomputer Center.
    • (2001) Knowledge-based Grids
    • Moore, R.W.1
  • 47
    • 0003297638 scopus 로고    scopus 로고
    • Collection-based persistent digital archives: Part 1
    • online. Retrieved December 16, 2002
    • Moore, R. W., Baru, C., Rajasekar, A., Ludaescher, B., Marciano, R., Wan, M., Schroeder, W., & Gupta, A. (2000a, online). Collection-based persistent digital archives: Part 1. D-Lib Magazine, 6(3). Retrieved December 16, 2002, from http://www.dlib.org/dlib/march00/moore/03moore-pt1.html.
    • (2000) D-lib Magazine , vol.6 , Issue.3
    • Moore, R.W.1    Baru, C.2    Rajasekar, A.3    Ludaescher, B.4    Marciano, R.5    Wan, M.6    Schroeder, W.7    Gupta, A.8
  • 48
    • 0003297638 scopus 로고    scopus 로고
    • Collection-Based persistent digital archives: Part 2
    • online. Retrieved December 16, 2002
    • Moore, R. W., Baru, C., Rajasekar, A., Ludaescher, B., Marciano, R., Wan, M., Schroeder, W., & Gupta, A. (2000b, online). Collection-Based persistent digital archives: Part 2. D-Lib Magazine, 6(4). Retrieved December 16, 2002, from http://www.dlib.org/april00/moore/04moore-pt2.htm
    • (2000) D-lib Magazine , vol.6 , Issue.4
    • Moore, R.W.1    Baru, C.2    Rajasekar, A.3    Ludaescher, B.4    Marciano, R.5    Wan, M.6    Schroeder, W.7    Gupta, A.8
  • 49
    • 84855634912 scopus 로고    scopus 로고
    • Retrieved December 16, 2002
    • National Archives of Australia. (2000). Recordkeeping metadata standard for Commonwealth agencies. Retrieved December 16, 2002, from http://www.naa.gov.au/recordkeeping/control/rkms/contents.html
    • (2000) Recordkeeping Metadata Standard for Commonwealth Agencies
  • 50
    • 84855632024 scopus 로고    scopus 로고
    • Retrieved December 22, 2002
    • National Library of Australia, (n.d.). Preserving access to digital information: Issues. Retrieved December 22, 2002, from http://www.nla.gov.au/padi/topics/2.html
    • Preserving Access to Digital Information: Issues
  • 51
    • 12144271134 scopus 로고    scopus 로고
    • Dublin, OH: OCLC/RLG. Retrieved December 16, 2002
    • OCLC, Inc./Research Libraries Group. Preservation Metadata Working Group. (2001). Preservation metadata for digital objects: A review of the state of the art. Dublin, OH: OCLC/RLG. Retrieved December 16, 2002, from http://www.oclc.org/research/pmwg/presmeta_wp.pdf
    • (2001) Preservation Metadata for Digital Objects: A Review of the State of the Art
  • 52
    • 0344891860 scopus 로고    scopus 로고
    • Dublin, OH: OCLC/RLG. Retrieved December 16, 2002
    • OCLC, Inc./Research Libraries Group. (2002). A metadata framework to support the preservation of digital objects. Dublin, OH: OCLC/RLG. Retrieved December 16, 2002, from http://www.oclc.org/research/pmwg/pm_framework.pdf
    • (2002) A Metadata Framework to Support the Preservation of Digital Objects
  • 53
    • 0344891863 scopus 로고    scopus 로고
    • Researching long term digital preservation approaches in the Dutch digital preservation testbed (Testbed Digitale Bewaring)
    • Retrieved December 16, 2002
    • Potter, M. (2002a). Researching long term digital preservation approaches in the Dutch digital preservation testbed (Testbed Digitale Bewaring). RLG Diginews, 6(3). Retrieved December 16, 2002, from http://www.rlg.ac.uk/preserv/diginews/v6-n3-a2.html
    • (2002) RLG Diginews , vol.6 , Issue.3
    • Potter, M.1
  • 55
    • 0038593414 scopus 로고    scopus 로고
    • Retrieved December 16, 2002
    • Public Library of Science. (2002). Public library of science. Retrieved December 16, 2002, from http://www.publiclibraryofscience.org
    • (2002) Public Library of Science
  • 56
    • 0013179048 scopus 로고    scopus 로고
    • LOCKSS: A permanent Web publishing and access system
    • online. Retrieved December 16, 2002
    • Reich, V., & Rosenthal, D. S. H. (2001, online). LOCKSS: A permanent Web publishing and access system. D-Lib Magazine, 7(6). Retrieved December 16, 2002, from http://www.dlib.org/dlib/june01/reich/06reich.html
    • (2001) D-lib Magazine , vol.7 , Issue.6
    • Reich, V.1    Rosenthal, D.S.H.2
  • 57
    • 84859523447 scopus 로고    scopus 로고
    • Trusted digital repositories: Attributes and responsibilities
    • Mountain View, CA: Research Libraries Group. Retrieved December 16,2002
    • Research Libraries Group/OCLC, Inc. (2002). Trusted digital repositories: Attributes and responsibilities, An RLG-OCLC report. Mountain View, CA: Research Libraries Group. Retrieved December 16,2002, from http://www.rlg.ac.uk/longterm/repositories.pdf
    • (2002) An RLG-OCLC Report
  • 60
    • 84855626601 scopus 로고    scopus 로고
    • Retrieved December 16, 2002
    • San Francisco Museum of Modern Art. (2002). E.space gallery, display disclaimer. Retrieved December 16, 2002, from http://www.sfmoma.org/espace/rsub/disclaimer.html
    • (2002) E.space Gallery, Display Disclaimer
  • 61
    • 0041761504 scopus 로고
    • We make our tools and our tools make us: Lessons from photographs for the practice, politics, and poetics of diplomatics
    • fall
    • Schwartz, J. (1995, fall). We make our tools and our tools make us: Lessons from photographs for the practice, politics, and poetics of diplomatics. Archivaria 40, 40-74.
    • (1995) Archivaria , vol.40 , pp. 40-74
    • Schwartz, J.1
  • 64
    • 0344028932 scopus 로고    scopus 로고
    • Overview of technological approaches to digital preservation and challenges in coming years
    • Washington, DC. Retrieved December 16, 2002
    • Thibodeau, K. (2002). Overview of technological approaches to digital preservation and challenges in coming years. In The state of digital preservation: An international perspective (pp. 4-31). Washington, DC: Council on Library and Information Resources. Retrieved December 16, 2002, from http://www.clir.org/pubs/reports/pub107/pub107.pdf
    • (2002) The State of Digital Preservation: An International Perspective , pp. 4-31
    • Thibodeau, K.1
  • 65
    • 84855628977 scopus 로고    scopus 로고
    • Retrieved November 28, 2002
    • University of North Texas Library. Government Documents Department. (2002). Cybercemetery. Retrieved November 28, 2002, from http://govinfo.library.unt.edu
    • (2002) Cybercemetery
  • 66
    • 0344891859 scopus 로고    scopus 로고
    • Structuring the records continuum: Part one: Postcustodial principles and properties
    • online. Retrieved December 16, 2002
    • Upward, F. (1996, online). Structuring the records continuum: Part one: Postcustodial principles and properties. Archives and Manuscripts, 24(2). Retrieved December 16, 2002, from http://rcrg.dstc.edu.au/publications/recordscontinuum/fupp1.html
    • (1996) Archives and Manuscripts , vol.24 , Issue.2
    • Upward, F.1
  • 67
    • 0345322978 scopus 로고    scopus 로고
    • Structuring the records continuum: Part two: Structuration theory and recordkeeping
    • online. Retrieved December 16, 2002
    • Upward, F. (1997, online). Structuring the records continuum: Part two: Structuration theory and recordkeeping. Archives and Manuscripts, 25(1). Retrieved December 16, 2002, from http://rcrg.dstc.edu.au/publications/recordscontinuum/fupp2.html
    • (1997) Archives and Manuscripts , vol.25 , Issue.1
    • Upward, F.1
  • 68
    • 84855624438 scopus 로고    scopus 로고
    • Transfer of records to the National Archives of the United States: Electronic Records. Retrieved December 3,2002
    • U.S. Code of Federal Regulations. (2002). Code of Federal Regulations 36 CFR 1228.270, Transfer of records to the National Archives of the United States: Electronic Records. Retrieved December 3,2002, from http://frwebgate.access.gpo.gov/nara/cfr/cfr-retrieve.html#page1
    • (2002) Code of Federal Regulations 36 CFR 1228.270
  • 70
    • 84855640565 scopus 로고    scopus 로고
    • Washington, D.C. Department of Defense. Retrieved November 28, 2002
    • U.S. Department of Defense. Joint Interoperability Test Command. (2002). Records management application (RMA) DoD 5015.2-STD. Washington, D.C. Department of Defense. Retrieved November 28, 2002, from http://jitc.fhu. disa.mil/recmgt/standards.htm
    • (2002) Records Management Application (RMA) DoD 5015.2-STD
  • 71
    • 84855629101 scopus 로고    scopus 로고
    • Washington, DC. Retrieved December 16, 2002
    • U.S. Environmental Protection Agency. (2001). Cross-media electronic reporting and recordkeeping rule. Washington, DC: Environmental Protection Agency. Retrieved December 16, 2002, from http://www.epa.gov/cdx/cromerrr/propose/index.html
    • (2001) Cross-media Electronic Reporting and Recordkeeping Rule
  • 73
    • 0242484591 scopus 로고    scopus 로고
    • CCSDS 650.0-B-1 (Blue Book). Retrieved December 22, 2002
    • U.S. National Aeronautics and Space Administration. Consultative Committee for Space Data Systems. (2002a). Reference model for an open archival information system. CCSDS 650.0-B-1 (Blue Book). Retrieved December 22, 2002, from http://ccsds.org/documents/650.0b1.pdf
    • (2002) Reference Model for an Open Archival Information System
  • 74
    • 84855625989 scopus 로고    scopus 로고
    • Consultative Committee for Space Data Systems. CCSDS 651.0-R-1 (Draft). Retrieved December 22, 2002
    • U.S. National Aeronautics and Space Administration. Consultative Committee for Space Data Systems. (2002b). Producer-archive interface methodology abstract standard. CCSDS 651.0-R-1 (Draft). Retrieved December 22, 2002, from http://ssdoo.gsfc.nasa.gov/nost/isoas
    • (2002) Producer-archive Interface Methodology Abstract Standard
  • 75
    • 0345322976 scopus 로고    scopus 로고
    • Washington, DC. Retrieved December 15, 2002
    • U.S. National Archives and Records Administration. (2002). Proposal for a redesign of federal records management. Washington, DC: National Archives and Records Administration. Retrieved December 15, 2002, from http://www.archives.gov/records_management/initiatives/rm_redesign.html
    • (2002) Proposal for a Redesign of Federal Records Management
  • 76
    • 0008772976 scopus 로고
    • London: Routledge & Kegan Paul
    • Vansina, J. (1965). Oral tradition. London: Routledge & Kegan Paul.
    • (1965) Oral Tradition
    • Vansina, J.1
  • 78
    • 0344230424 scopus 로고    scopus 로고
    • Why Do We Need to Keep This in Print? It's on the Web...": A review of electronic archiving issues and problems
    • online. Retrieved December 16, 2002
    • Warner, D. (2002, online). "Why Do We Need to Keep This in Print? It's on the Web...": a review of electronic archiving issues and problems. Progressive Librarian, 19-20 (Spring). Retrieved December 16, 2002, from http://libr.org/PL/19-20_Warner.html
    • (2002) Progressive Librarian , vol.19-20 , Issue.SPRING
    • Warner, D.1
  • 79
    • 0344891854 scopus 로고    scopus 로고
    • Good archives make good scholars: Reflections on recent steps toward the archiving of digital information
    • Washington, DC. Retrieved December 16, 2002
    • Waters, D. (2002). Good archives make good scholars: Reflections on recent steps toward the archiving of digital information. In The state of digital preservation: An international perspective (pp. 78-95). Washington, DC: Council on Library and Information Resources. Retrieved December 16, 2002, from http://www.clir.org/pubs/reports/pub107/pub107.pdf
    • (2002) The State of Digital Preservation: An International Perspective , pp. 78-95
    • Waters, D.1
  • 80
    • 0344891852 scopus 로고    scopus 로고
    • Retrieved January 12, 2003
    • World Wide Web Consortium. (2002). Web-Ontology (WebOnt) Working Group homepage. Retrieved January 12, 2003, from http://www.w3.org/2001/sw/WebOnt
    • (2002) Web-ontology (WebOnt) Working Group Homepage
  • 82
    • 0344028934 scopus 로고    scopus 로고
    • "Superarchives" could hold all scholarly output
    • July 5. Retrieved December 22, 2002
    • Young, J. R. (2002, July 5). "Superarchives" could hold all scholarly output. The Chronicle of Higher Education. Retrieved December 22, 2002, from http://chronicle.com/free/v48/i43/43a02901.htm
    • (2002) The Chronicle of Higher Education
    • Young, J.R.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.