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Metadata Research and Application in The Management of Digital Collections Mark Sullivan University of Florida Libraries Digital Library of the Caribbean Introduction * What is metadata? * Standards * Standards Comparison What is metadata? What is metadata? What is metadata? UNIVERSITY of FLORIDA Mark V. Sullivan Programmer, Systems Department George A. Smathers Libraries 200 Smathers Library P.O. Box 117007 Gaincsvillc. FL 32611-7007 352-273-2900 352-846-3702 Fax mars I 'au ftlib.u fl.cdu UF Library and Museum Metadata Library and Museum Metadata Greek Vase 470 460 BC 35 centimeters Odysseus and Eumaios the Swineherd S. from Homer's story of the Odyssey Library and Museum Metadata Format: Date: Height: Greek Vase 470 460 BC 35 centimeters Title: [Greek Vase of Odysseus and Eumaios the Swineherd] Notes: from Homer's story of the Odyssey Library and Museum Metadata N ' -- -" I Library and Museum Metadata Title: L' Isle St. Domingue Alternate Title: Atlas portatif Universel.. Physical Desc: I Map.: col; 17 x 22 cm on sheet 23 x 32 cm. Language: French Creator: Robert de Vaugondy, Gilles, 1688-1766 Date: 1749 Place of Publ: Paris 1749 Subjects: Maps -- Early works to 1800 -- West Indies ( Icsh ) Maps -- Early works to 1800 -- Hispaniola ( Icsh ) Genre: single map ( marcgt) Maps ( Icsh ) Early works to 1800 ( Icsh) Spatial Coverage: Haiti, Dominican Republic Note: Outline color. Library and Museum Metadata Reflexiones sobre temas educativos Library and Museum Metadata Title: Physical Desc: Language: Creator: Publisher: Date: Subject: Avanzamos o retrocedemos? : reflexiones sobre temas educativos 165 p. Spanish Radhames Mejia Santo Domingo: PUCMM/CIEDHUMANO 2010 Educacion Republica Dominicana Ensayos, conferencias, etc. Abstract: Este libro recoge una series de arta-culos sobre temas educativos publicados en los aos 2006 y 2007 en el periodic El Caribe. En su mayorA-a son reflexiones alrededor de asuntos de la agenda educativa national que iban apareciendo o, que de manera structural, caracterizan a la education dominicana. Identifier: RD 370.97293 M516a isbn 9789945415339 Library Metadata .- HEB 144 IS 8 1983 .1..2 :'. ." L'- **: . f.. ,,. :, " .* ; ; " Econaaoc theory, conometrics, matbematical economics. andr lc hitS II JTt I: I RI. 0 Oame theory for economic analyst Tatouro Ichli hiL -- New York Academic Presa, 1983* x, 164 p. : it. ; 24 car -- (Ecanamic theory, econometrics, ancC mathematical economics ) Bibliography: p. 151- 656. Includes indexes. ISBN 0-12-370180--5 . te Game theory* 2. CEconomvciJ Ie Titlle Equili II. S .. I *.' 4' 1 y.ar -.. ,.. i* IV , ,. : ,, I..: - . .. q,, -. -. :.. : . .- t. ,., *;., bri un , erles ^**4- 84 8627997 * r .m Jr ., m r Ba-i~s~i MnStpaG19 DEC hMQMAit Library Metadata MARC FMT BK LDR 00897pamA2200313^La^4500 008 820706s 19 83k "nyu a^^^bA 01 0^e n g 010 laAAA82011554A 020 la 0123701805 035 la (OCoLC)08627997 035 9 laACB4513 b UF 040 la DLC Ic DLC Id FUG 049 a FLGA 050 0 la HB144 lb.128 1983 082 0 a 330/.0115193 1219 100 10 la lchiishi, Tatsuro. 245 10 la Game theory for economic analysis / Ic Tatsuro Ichiishi. 260 0 la New York: Ib Academic Press, Ic 1983. 300 lax, 164 p.: Ib ill.; Ic24 cm. 490 0 la Economic theory, econometrics, and mathematical economics 504 la Bibliography: p. 151-156. 500 la Includes indexes. 599 la mgh 650 0 la Game theory. 650 0 la Equilibrium (Economics) Metadata Standards Why Metadata Standards? Standards "The nice thing about standards is there are so many to choose from. - Andrew Tannenbaum ( 1988 ) Types of Metadata Standards Bibliographic Description Metadata "Wrappers" and Transport Collection Descriptions Other Standards * Authority Standards * Proprietary Standards * etc... Types of Metadata Standards * Bibliograph ic Description * Metadata "Wrappers" and Transport * Collection Descriptions * Other Standards * Authority Standards * Proprietary Standards * etc... Bibliographic Description Standards MARC * Dublin Core * MODS * VRA Core Bibliographic Description Standards: MARC MARC Originally developed in 1960s by Library of Congress Most embraced metadata standard in libraries MARC 21 Combination of USMARC and CAN/MARC Metadata standard for 21st century MarcXML Same MARC format, except encoded in XML Bibliographic Description Standards: MARC MARC Positives: Can encode a very granular amount of data Very well adopted and works well with machine readers Negatives Not very human-readable High learning curve Mixes data with display (as commonly implemented) Bibliographic Description Standards: DC Dublin Core Originally developed between 1994 and 1995 in Dublin Ohio by OCLC Used widely on web pages to assist search engines Simplified Dublin Core Title Description Date Identifier Relation Creator Publisher Type Source Subject Contributor Format Language Coverage Rights Bibliographic Description Standards: DC Dublin Core Qualified Dublin Core Added three elements (Audience, Provenance, RightsHolder) More importantly, added some basic refinements Positives Widely accepted and easy to read and encode Negatives Even with qualified dublin core, difficult to encode complex data Lack of data refinement leads to loss of UI options Bibliographic Description Standards: MODS SMetadata Object Description Scheme Developed in 2002 by Library of Congress Beginning to be the de facto standard for digital libraries (MODS/METS) Positives Can handle a (large) subset of MARC tags Handles complex objects and can easily be extended Negatives Hard to do round trip portability from MARC MODS MARC Bibliographic Description Standards: VRA Core Visual Resource Association Developed in 1996 by Visual Resource Association Used for describing visual/cultural materials Includes all the standard tags Date, Title, Description, Rights, Subject, etc.. Also more unique tags Cultural Context Style Technique Bibliographic Description Standards MARC * Dublin Core * MODS * VRA Core Types of Metadata Standards Bibliographic Description Metadata "Wrappers" and Transport Collection Descriptions Other Standards * Authority Standards * Proprietary Standards * etc... Metadata "Wrappers" and Transport * Contents Files and Structural data Administrative data * Choices METS OAI-PMH No wrapper necessary Metadata "Wrappers" and Transport: METS * Metadata Encoding & Transmission Standard * Standard by Library of Cong ress (2001 * Contains Descriptions sections) Administrative sections) File sections) Structure map(s) * Accepts any XML schema Metadata "Wrappers" and Transport: OAI-PMH * Open Archives Initiative Protocol Harvesting for Metadata (2000-2001) * Defines a protocol (over HTTP) * Main Verbs Identify ListMetadataFormats usually dublin core (99%) ListSets * ListRecords Types of Metadata Standards Bibliographic Description Metadata "Wrappers" and Transport Collection Descriptions Other Standards Authority Standards Proprietary Standards * etc... Collection Metadata Standards * (METS) * EAD * Encoded Archival * Electronic Finding Description Guide/Aid * Main Sections Descriptions Container List can link to digital objects * Examples: Smithsonian Univ of Florida Types of Metadata Standards * Bibliographic Description * Metadata "Wrappers" and Transport * Collection Descriptions * Other Standards Authority Standards Proprietary Standards * etc... Still to come... * Authority Metadata Standards NACO MADS EAC * Other Standards KML DarwinCore Z39.50 / ZING * Standards are like weeds.... Proprietary and Custom Formats * Proprietary File Formats * Greenstone Document File * Fedora Object * Custom (doc.xml) File (FOXml Schemas * SobekCM Schema ( UFDC and dLOC) Back to the beginning? Core? Dublin Core? -,MV EA C? AC? vvFgc;? LAL)? To Ira ? M DS6- V41 METS? Evidence-based Universities within Florida (10 schools) Digital Objects MARC (linked to catalog) Dublin Core ( no wrapper, simple objects ) * METS wrapper (for complex items ) * MODS * EAD for Finding Aids / Guides * OAI-PMH Harvesting "One Standard to Rule Them All" I e I "One Standard to Rule Them All" METS Wrapper L f -," "One Standard to Rule Them All" METS Wrapper DC MODS Additional Custom Data -,N L / -," "One Standard to Rule Them All" METS Wrapper Dublin Core Additional Custom Data >________ L / "One Standard to Rule Them All" METS Wrapper MODS Additional Custom Data I L / Archival Service Metadata Archival METS MODS SobekCM J Service C Greenstone \_____ K m ! -- m Archival Service Metadata Archival METS MODS SobekCM J Service C Fedora or ContentDM K m ! m Standards Comparison What is XML? * XML = eXtensible Markup Language * Allows information and services to be encoded with meaningful structure and semantics that computers and humans can understand. * Established by the World Wide Web Consortium XML Syntax XML Declaration Elements in matching tags Nested tags XML Syntax ( continued) Empty Tags Attributes Remarks XML Example * Example for a book with a title and OCLC number * This defines a book, but does not adhere to any standard or schema XML Schemas Creates a vocabulary to use Constrains the structure of XML data Defines a namespace xsi:schemaLocation="http://www.uflib.ufl.edu/digital/metadata/dc.xsd" > Metadata Example GRANDMOTHER GRATEr", LY^h^^Bik**l ol Metadata Example: Dublin Core lower wrapper. text illustrations. British Children's Lit (NEH PA-50860-00). Title Encoding Comparison lessamines Children Book MARC 245 14 la The Jessamines Ih [electronic resource] Ib a story of a country house / Ic by Grace Stebbing. Title Encoding Comparison Jessamines Children Book MarcXML Title Encoding Comparison Jessamines Children Book MODS by Grace Stebbing. Title Encoding Comparison Jessamines Children Book Dublin Core The Jessamines: a story of a country house by Grace Stebbing. Title Encoding Comparison lessamines Children Book Dublin Core The Jessamines: a story of a country house by Grace Stebbing. 245 1 la The Jessamines : a story of a country house Ih [electronic resource] Title Encoding Comparison * MARC Comparison From MODS 245 14 la The Jessamines Ih [electronic resource] Ib a story of a country house / Ic by Grace Stebbing. * From Dublin Core 245 1 la The Jessamines : a story of a country house Ih [electronic resource] Author Encoding Comparison It's his way, and other stories MARC 700 la Elliott, E. S. Iq (Emily S Id 1836-18 14 aut 14 ill teele), 97. Author Encoding Comparison It's his way, and other stories MODS < mods:displayForm> Emily Steele Author Encoding Comparison It's his way, and other stories Dublin Core Elliott, E. S. ( Emily Steele ), 1836-1897 Author Encoding Comparison It's his way. and other stories Dublin Core Elliott, E. S. ( Emily Steele ), 1836-1897 700 la Elliott, E. S. (Emily Steele), 1836-1897 Author Encoding Comparison * MARC Comparison From MODS 700 la Elliott, E. S. |q (Emily Steele), Id 1836-1897. 14 aut 14 ill * From Dublin Core 700 la Elliott, E. S. (Emily Steele), 1836-1897 Subject Encoding Comparison 5 Little Pigs MODS Subject Encoding Comparison 5 Little Pigs MARC 650 0 la Children Ix Conduct of life Iv Juvenile fiction. 655 0 la ly Children's stories 1890. Subject Encoding Comparison 5 Little Pigs Dublin Core Children -- Conduct of life -- Juvenile fiction Children's stories -- 1890 Subject Encoding Comparison 5 Little Pigs Dublin Core Children -- Conduct of life -- Juvenile fiction Children's stories -- 1890 650 4 la Children -- Conduct of life -- Juvenile fiction 650 4 la Children's stories -- 1890 Subject Encoding * MARC Comparison From MODS 650 0 Comparison la Children Conduct of life Juvenile fiction. 655 0 la Children's stories |y 1890. * From Dublin Core 650 650 4 la Children -- Conduct of life -- Juvenile fiction la Children's stories -- 1890 Subject Encoding Comparison * In practice * Faceted Searchi ng .4 * Citation Searching Lessons / Standards Conclusions * Try not to tie your metadata to your system Archival vs. Service * Don't be afraid of extending for your own needs, but continue to follow the standards * Don't cripple your metadata / Prepare for the most information you would want METS / MODS v. simple Dublin Core |
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| MILLISECOND | CLASS.METHOD | MESSAGE |
|---|---|---|
| 0 | sobekcm_page_globals.constructor | |
| 0 | sobekcm_page_globals.constructor | Application State validated or built |
| 0 | sobekcm_database.verify_item_lookup_object | |
| 0 | sobekcm_page_globals.constructor | Navigation Object created from URI query string |
| 0 | sobekcm_database.verify_item_lookup_object | |
| 0 | sobekcm_page_globals.display_item | Retrieving item or group information |
| 0 | sobekcm_page_globals.get_entire_collection_hierarchy | Retrieving hierarchy information |
| 0 | sobekcm_assistant.get_entire_collection_hierarchy | |
| 0 | cached_data_manager.retrieve_item_aggregation | |
| 0 | cached_data_manager.retrieve_item_aggregation | Found item aggregation on local cache |
| 0 | item_aggregation_builder.get_item_aggregation | Found 'dloc1' item aggregation in cache |
| 0 | system.web.ui.page.page_load (ufdc.page_load) | |
| 0 | sobekcm_page_globals.constructor.on_page_load | |
| 0 | html_echo_mainwriter.add_style_references | Adding style references to HTML |
| 0 | html_echo_mainwriter.add_text_to_page | Reading the text from the file and echoing back to the output stream |
| 42 | html_echo_mainwriter.add_text_to_page | Finished reading and writing the file |
