METS

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Published on February 19, 2014

Author: bitttttsdas

Source: slideshare.net

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Metadata Encoding and Transmission Standard (METS)

Metadata Encoding and Transmission Standard Sandip Das MS-LIS 2013-2015 Documentation Research And Training Centre (DRTC) Indian Statistical Institute Bangalore Centre

Overview Introduction Characteristics of METS Sections of a METS Current Users Conclusion Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 2

Introduction Characteristics of METS Sections of a METS Current Users Conclusion Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 3

Metadata ?  Data about data  Metadata is structured information  Metadata can be used to find, gather, and maintain resources over long periods of time. Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 4

METS ?  Metadata Encoding and Transmission Standard   A metadata standard for encoding descriptive, administrative, and structural metadata regarding objects within a digital library, expressed using the XML language of the World Wide Web Consortium.  Produced by LC and DLF Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 5

XML?  An ISO standard  Interchangeable with other applications  Easy to integrate cataloguing information with text transcription, images etc.  Handles structural metadata easily Source : www.allzonedigital.com Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 6

Why We Use ?  All metadata format (like DC, EAD, VRA) utilize for bibliographic description.  METS act as a container object for the many piece of metadata needed to describe a single digital object.  A number of pieces of metadata are attached to each digital object.  METS provides a method for building the object (i.e. metadata, attached items etc.) together so they can be transferred. Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 7

Introduction Characteristics of METS Sections of a METS Current Users Conclusion Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 8

Characteristics  Generally one METS file corresponds to one digital object (which may incorporate many files)  All metadata encoded in single document  Each type is held in a separate section, linked by identifiers  All metadata and external data (eg. images, text, video) is either referenced from METS file or can be held internally Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 9

Introduction Characteristics of METS Sections of a METS Current Users Conclusion Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 10

HOW TO BUILD A METS DOCUMENT METS Header Struct. Map Admin MD File Sec. Struct. Link Descrip. MD Behaviors Image Source : http://www.slideshare.net/Annie05/mets-short-overview-context-presentation Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 11

METS Header The METS Header contains metadata describing the METS document itself, including such information as creator, editor, etc. Image Source : www.loc.gov/standards/mets/presentations/METS.ppt Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 12

METS Header(Contd.) <metsHdr CREATEDATE="2003-07-04T15:00:00" RECORDSTATUS="Complete"> <agent ROLE="CREATOR" TYPE="INDIVIDUAL"> <name>Jerome McDonough</name> </agent> <agent ROLE="ARCHIVIST" TYPE="INDIVIDUAL"> <name>Ann Butler</name> </agent> </metsHdr> Image Source : www.loc.gov/standards/mets/presentations/METS.ppt Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 13

Descriptive Metadata Can record all of the units of descriptive metadata pertaining to the digital entity represented by METS document – Descriptive Metadata may be – External to the METS document – Internal to the METS document Image Source : www.loc.gov/standards/mets/presentations/METS.ppt Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 14

External Descriptive Metadata (Contd.) External Descriptive metadata element in a METS document may simply identify the type of descriptive metadata it represents (MARC, EAD, etc), and point to this metadata in its external location via a URI Descriptive Metadata Image Source : www.loc.gov/standards/mets/presentations/METS.ppt Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 15

External Descriptive Metadata (Contd...) <dmdSec ID="dmd001"> <mdRef LOCTYPE="URN" MIMETYPE="application/xml" MDTYPE="EAD" LABEL="Berol Collection Finding Aid">urn:x-nyu:fales1735</mdRef> </dmdSec> Image Source : www.loc.gov/standards/mets/presentations/METS.ppt Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 16

Internal Descriptive Metadata  Internal descriptive metadata may be recorded internally in a METS document in one of two ways – As XML data using vocabulary and syntax specified in external XML standard. For example, Dublin Core, MARC, MODS. – As binary data. For example, a standard MARC record could simply be incorporated as binary data into METS document. Image Source : www.loc.gov/standards/mets/presentations/METS.ppt Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 17

Internal Descriptive Metadata (Contd…) <dmdSec ID="dmd002"> <mdWrap MIMETYPE="text/xml" MDTYPE="DC" LABEL="Dublin Core Metadata"> <xmlData> <dc:title>Alice's Adventures in Wonderland</dc:title> <dc:creator>Lewis Carroll</dc:creator> <dc:date>between 1872 and 1890</dc:date> <dc:publisher>McCloughlin Brothers</dc:publisher> <dc:type>text</dc:type> </xmlData> </mdWrap> </dmdSec> <dmdSec ID="dmd003"> <mdWrap MIMETYPE="application/marc" MDTYPE="MARC" LABEL="OPAC Record"> <binData>MDI0ODdjam0gIDIyMDA1ODkgYSA0NU0wMDAxMDA...(etc.) </binData> </mdWrap> </dmdSec> Feb 19, 2014 Image Source : www.loc.gov/standards/mets/presentations/METS.ppt Sandip Das, DRTC, Indian Statistical Institute 18

Administrative metadata  This elements contain the administrative metadata pertaining to the files comprising a digital library object, as well as that pertaining to the original source material used to create the object. There are four main forms of administrative metadata provided for in a METS document: 1. Technical Metadata (information regarding files' creation, format, and use characteristics), 2. IPR Metadata (copyright and license information) 3. Source Metadata (descriptive and administrative metadata regarding the analog source from which a digital library object derives) 4. Digital Provenance Metadata (information regarding source/destination relationships between files) Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 19

File Section   The file section lists all files containing content which comprise the electronic versions of the digital object. Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute Image Source : www.loc.gov/standards/mets/presentations/METS.ppt 20

File Section(contd…) File groups Files are organized into File Groups based on the grouping you would like to do. One way is to group by format (tiff, hi-res jpeg, med-res jpeg, gif, etc) Feb 19, 2014 Source:www.loc.gov/standards/mets/presentations/METS.ppt Sandip Das, DRTC, Indian Statistical Institute 21

File Section(contd…) File <file ID="FILE003" MIMETYPE="image/jpeg"> <Flocat LOCTYPE="URL"> http://dlib.nyu.edu/tamwag/beame.jpg </FLocat> </file> Image Source : www.loc.gov/standards/mets/presentations/METS.ppt Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 22

Structural Map Section The structural map is the heart of a METS document. It outlines a hierarchical structure for the digital library object, and links the elements of that structure to content files and metadata that pertain to each element. Feb 19, 2014 Image Source : www.loc.gov/standards/mets/presentations/METS.ppt Sandip Das, DRTC, Indian Statistical Institute 23

Structural Map Section(Contd…) <structMap TYPE="PHYSICAL"> <div ID="title1.div.1" LABEL="Chapter 1“ <div ID="title.1.div.1.1" LABEL="Section 1"> <fptr FILEID="title1.image.1"/> <fptr FILEID="title1.image.2"/> </div> <div ID="title.1.div.1.2" LABEL="Section 2"> <fptr FILEID="title1.image.3"/> </div> </div> <div ID="title1.div.2" LABEL="Chapter 2"> </div> </structMap> Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 24

Structural Link Section The Structural Links section of METS allows METS creators to record the existence of hyperlinks between nodes in the hierarchy outlined in the Structural Map. This is of particular value in using METS to archive Websites. Image Source : www.loc.gov/standards/mets/presentations/METS.ppt Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 25

Structural Link Section <div ID="P1" TYPE="page" LABEL="Page 1"> <fptr FILEID="HTMLF1"/> <div ID="IMG1" TYPE="image" LABEL="Image Hyperlink to Page 2"> <fptr FILEID="JPGF1"/> </div> <div ID="P2" TYPE="page" LABEL="Page 2"> <fptr FILEID="HTMLF2"/> </div> Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 26

Behavior Section A late addition to the METS standard, the behavior section allows information to be recorded on how components of the digital object should be rendered for the user, this may include information on specific software packages to be used, or on particular parameters to be used when rendering a file. Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 27

 Introduction  Characteristics of METS  Sections of a METS  Current Users  Conclusion Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 28

Current users – UC Berkeley (archival collections) – Harvard (scanned print publications, e-journals) – Library of Congress (audio/visual collections) – EU Meta E project (historic newspapers) – Michigan State (oral history collections) – Univ. of Virginia (FEDORA digital objects) – MIT (DSpace) – RLG (RLG Cultural Materials) Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 29

Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 30

Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 31

Introduction Characteristics of METS Sections of a METS Current Users Conclusion Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 32

Conclusion • METS provides varied and flexible mechanisms for – expressing structure or structures of a digital entity – linking structure with simple and complex content – linking structure with descriptive metadata – linking structure and content files with administrative metadata – linking behaviors with structure and content Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 33

Reference  METS official site: http://www.loc.gov/standards/mets  Wikipedia http://en.wikipedia.org/wiki/METS  UC Berkeley Library http://ucblibrary4.berkeley.edu:8088/xdlib//calcultures/uci/mets /cui_1_6_00004505.xml Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 34

Image Source : www.cornwall.gov.uk Feb 19, 2014 Sandip Das, DRTC, Indian Statistical Institute 35

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