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Co-funded by the European Union , through the Comenius Programme Intro to metadata, educational metadata, and metadata-bas...
Metadata
Structure <ul><li>Definition of Metadata & Examples </li></ul><ul><li>Metadata Types </li></ul><ul><li>Schemas </li></ul><...
Definition <ul><li>“ Metadata is structured information that describes, explains, locates, or otherwise makes it easier to...
Example <ul><li>E.g. Books </li></ul><ul><ul><li>Title </li></ul></ul><ul><ul><li>Author </li></ul></ul><ul><ul><li>Year <...
Example / 61 Intro to metadata, educational metadata, and metadata-based searching Title Abstract  Keywords
Metadata is everywhere <ul><li>We can have metadata on: </li></ul><ul><ul><li>HTML documents, digital images, books, museu...
Metadata Types  (1/2) <ul><li>Descriptive : Facilitates discovery and describes intellectual content </li></ul><ul><li>Adm...
Metadata Types  (2/2) <ul><li>Structural : Describes the relationships within a digital object </li></ul><ul><li>Preservat...
Purpose <ul><li>R esource discovery, </li></ul><ul><li>O rganize   electronic resources , </li></ul><ul><li>F acilitate   ...
Metadata Elements <ul><li>Each information resource is described by using specific data items </li></ul><ul><li>These data...
Metadata Schemas <ul><li>“ A metadata scheme is a sets of metadata elements designed for a specific purpose, such as descr...
Metadata Specifications <ul><li>Stable and widely adopted  Metadata Schemas  can evolve into  Metadata Specifications  </l...
Metadata Standards <ul><li>If a standardization organization recognizes a  Metadata Specification , then it may become a  ...
Application Profiles <ul><li>Metadata Standards or Specifications can be adapted or “profiled” to meet community context-s...
Adaptation <ul><li>By imposing restrictions and modifying vocabularies, definitions or elements of the original (base) sta...
Evolution / 61 Intro to metadata, educational metadata, and metadata-based searching element element element element eleme...
Evolution / 61 Intro to metadata, educational metadata, and metadata-based searching Profiled Refined Adapted Used in spec...
Application Domains <ul><li>Libraries </li></ul><ul><li>Agriculture </li></ul><ul><li>Museums </li></ul><ul><li>Education ...
Dublin Core <ul><li>Initiative to improve  resource discovery  on Web </li></ul><ul><ul><li>Develop s  and maintain s  int...
Element Set <ul><li>15 elements </li></ul><ul><ul><li>All elements are optional and repeatable </li></ul></ul><ul><ul><li>...
/ 61 Intro to metadata, educational metadata, and metadata-based searching Type Format Identifier Source Language Relation...
Application Profiles  (Dublin Core) <ul><li>DC Government AP </li></ul><ul><ul><li>Metadata for governmental resources   <...
IEEE LTSC LOM <ul><li>Tries to  define the attributes required to fully/adequately describe a Learning Object  </li></ul><...
Element Set <ul><li>9 categories of elements </li></ul><ul><ul><li>E lements may be repeated either individually or as a g...
Value Spaces & Datatypes <ul><li>Value space : Restrictions on elements  </li></ul><ul><ul><li>E.g.  Unicode or controlled...
/ 61 Intro to metadata, educational metadata, and metadata-based searching IEEE LOM Categories Life Cycle Meta-metadata Te...
Application Profiles  (IEEE LOM) <ul><li>UK LOM Core </li></ul><ul><ul><li>Further and Higher Education  in UK </li></ul><...
Application Profiles  (IEEE LOM) <ul><li>ISRACore </li></ul><ul><ul><li>Israeli LOM Application Profile </li></ul></ul><ul...
Application Profiles  (IEEE LOM) <ul><li>CG LOM Core </li></ul><ul><ul><li>Consultative Group on International Agricultura...
Learning Objects
Structure <ul><li>Definition of Learning Objects </li></ul><ul><li>Examples </li></ul><ul><li>Granularity of LOs </li></ul...
Learning Object <ul><li>“ E ducational resources that can be employed in technology   supported   learning ” 1 </li></ul><...
Learning Object <ul><li>With appropriate metadata descriptions, they can be modular units that can be   assembled together...
Learning Object <ul><li>A LO can be based on : </li></ul><ul><ul><li>E lectronic text , </li></ul></ul><ul><ul><li>Web sit...
Video <ul><li>Video of a  presentation on economics </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-b...
Text <ul><li>To be used  when talking  about learning objects </li></ul>/ 61 Intro to metadata, educational metadata, and ...
Image <ul><li>To be used in  teaching of food chains in nature </li></ul>/ 61 Intro to metadata, educational metadata, and...
Granularity Levels <ul><li>C ontent, information or knowledge object </li></ul><ul><li>Lesson </li></ul><ul><ul><li>Contai...
Granularity Levels / 61 Intro to metadata, educational metadata, and metadata-based searching Course Module 1 Module 2 Les...
LO Sources <ul><li>MERLOT - Multimedia Educational Resource for Online Learning and Teaching ( www.merlot.org )  </li></ul...
LO Sources <ul><li>Education Network Australia  -   http:// edna.edu.au   </li></ul><ul><li>WISC Online Resource Center - ...
LO Sources <ul><li>MIT Opencourseware -  http://ocw.mit.edu/   </li></ul><ul><li>Open Learning Initiative -  http://oli.we...
LO Reuse <ul><li>Open Archives Initiative Object Reuse and Exchange (OAI-ORE) defines standards for the description and ex...
LO Reuse <ul><li>Learning  objects, may combine resources with media types  such as  text, images and video </li></ul><ul>...
Learning Repositories
Structure <ul><li>Learning Object Repository </li></ul><ul><li>Examples </li></ul><ul><li>Types of Repositories </li></ul>...
Learning Object Repository (LOR) <ul><li>“ A collection of digital assets and/or meta-data accessible without prior knowle...
Learning Object Repository (LOR) <ul><li>“ LORs are databases used for storing and/or enabling the interoperability of LOs...
<ul><li>Content repositories ( Type 1 );  </li></ul><ul><ul><li>MIT  Open Courseware , SOFIA </li></ul></ul><ul><li>Linkin...
Examples / 61 Intro to metadata, educational metadata, and metadata-based searching
/ 61 Intro to metadata, educational metadata, and metadata-based searching
Digital Repositories <ul><li>Institutional </li></ul><ul><ul><li>educational or research parent body controlled  </li></ul...
Digital Repositories <ul><li>Consortia Repositories </li></ul><ul><ul><li>Founded by a consortium of institutions </li></u...
The Australian Way <ul><li>See the object without contractual obligations; </li></ul><ul><li>Simple, non-intimidating desi...
LOR Functionalities <ul><li>search/find   </li></ul><ul><ul><li>the ability to locate an appropriate learning object </li>...
LOR Functionalities <ul><li>maintain   </li></ul><ul><ul><li>appropriate version control </li></ul></ul><ul><li>retrieve  ...
LOR Functionalities <ul><li>store </li></ul><ul><ul><li>place a submitted object into a data store with unique, registered...
Interoperability <ul><li>Supported and promoted by the  Open Archive Initiative , Protocol for Metadata Harvesting (OAI-PM...
OAI – PMH  <ul><li>The  Open Archives Initiative  develops and promotes interoperability standards to facilitate the effic...
<ul><li>Dear user, </li></ul><ul><li>please take the time (5 minutes) to help us improve METASCHOOL modules! </li></ul><ul...
Intro to metadata, educational metadata, and metadata-based searching Informatics Laboratory Agricultural University of At...
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Introducation to metadata

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3.7. Introduction to educational metadata and metadata-based searching

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  • 23/04/10
  • Transcript of "Introducation to metadata"

    1. 1. Co-funded by the European Union , through the Comenius Programme Intro to metadata, educational metadata, and metadata-based searching
    2. 2. Metadata
    3. 3. Structure <ul><li>Definition of Metadata & Examples </li></ul><ul><li>Metadata Types </li></ul><ul><li>Schemas </li></ul><ul><li>Specifications </li></ul><ul><li>Standards </li></ul><ul><li>Application Profiles </li></ul><ul><li>Dublin Core & IEEE LTSC LOM </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    4. 4. Definition <ul><li>“ Metadata is structured information that describes, explains, locates, or otherwise makes it easier to retrieve, use, or manage an information resource” * </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching * NISO (2004) Understanding Metadata. Bethesda, NISO Press
    5. 5. Example <ul><li>E.g. Books </li></ul><ul><ul><li>Title </li></ul></ul><ul><ul><li>Author </li></ul></ul><ul><ul><li>Year </li></ul></ul><ul><ul><li>Subject (Math, History, etc) </li></ul></ul><ul><ul><li>No of pages </li></ul></ul><ul><ul><li>… </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    6. 6. Example / 61 Intro to metadata, educational metadata, and metadata-based searching Title Abstract Keywords
    7. 7. Metadata is everywhere <ul><li>We can have metadata on: </li></ul><ul><ul><li>HTML documents, digital images, books, museum objects, metadata themselves </li></ul></ul><ul><ul><li>Collections, services, physical places, people, institutions, abstract “works”, concepts, events </li></ul></ul><ul><ul><li>And more… </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    8. 8. Metadata Types (1/2) <ul><li>Descriptive : Facilitates discovery and describes intellectual content </li></ul><ul><li>Administrative : Facilitates management of digital and analog resources </li></ul><ul><li>Technical : Describes the technical aspects of the digital object </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching http://www.lib.umd.edu/dcr/publications/best_practice.pdf
    9. 9. Metadata Types (2/2) <ul><li>Structural : Describes the relationships within a digital object </li></ul><ul><li>Preservation : Supports long-term retention of the digital object and may overlap with technical, administrative, and structural metadata </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching http://www.lib.umd.edu/dcr/publications/best_practice.pdf
    10. 10. Purpose <ul><li>R esource discovery, </li></ul><ul><li>O rganize electronic resources , </li></ul><ul><li>F acilitate interoperability & legacy , resource integration , </li></ul><ul><li>P rovide digital identification , </li></ul><ul><li>S upport archiving & preservation </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching * NISO (2004) Understanding Metadata. Bethesda, NISO Press
    11. 11. Metadata Elements <ul><li>Each information resource is described by using specific data items </li></ul><ul><li>These data items are called Elements </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    12. 12. Metadata Schemas <ul><li>“ A metadata scheme is a sets of metadata elements designed for a specific purpose, such as describing a particular type of information resource” * </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching * NISO (2004) Understanding Metadata. Bethesda, NISO Press
    13. 13. Metadata Specifications <ul><li>Stable and widely adopted Metadata Schemas can evolve into Metadata Specifications </li></ul><ul><li>The majority of implementers in a particular domain or industry adopts them </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    14. 14. Metadata Standards <ul><li>If a standardization organization recognizes a Metadata Specification , then it may become a Metadata Standard </li></ul><ul><li>Dublic Core for Educational resources (DC-ed) and IEEE LOM are dominant examples for educational purposes </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    15. 15. Application Profiles <ul><li>Metadata Standards or Specifications can be adapted or “profiled” to meet community context-specific needs </li></ul><ul><li>Then, they are called Metadata Application Profiles </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    16. 16. Adaptation <ul><li>By imposing restrictions and modifying vocabularies, definitions or elements of the original (base) standard </li></ul><ul><li>Aim : Increase interoperability with base standard and not to break interoperability with existing applications </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    17. 17. Evolution / 61 Intro to metadata, educational metadata, and metadata-based searching element element element element element Metadata Scheme Used by one publishing house Used by many publishing houses Metadata Specification Metadata Standard Adopted by Standards’ Organization
    18. 18. Evolution / 61 Intro to metadata, educational metadata, and metadata-based searching Profiled Refined Adapted Used in specific community E.g. Publishing houses of medical books Metadata Application Profile Metadata Standard Metadata Specification
    19. 19. Application Domains <ul><li>Libraries </li></ul><ul><li>Agriculture </li></ul><ul><li>Museums </li></ul><ul><li>Education </li></ul><ul><li>Environment </li></ul><ul><li>… </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    20. 20. Dublin Core <ul><li>Initiative to improve resource discovery on Web </li></ul><ul><ul><li>Develop s and maintain s international standards for describing resources </li></ul></ul><ul><ul><li>Support s a worldwide community of users and developers </li></ul></ul><ul><ul><li>Promot es widespread use of Dublin Core solution s </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    21. 21. Element Set <ul><li>15 elements </li></ul><ul><ul><li>All elements are optional and repeatable </li></ul></ul><ul><ul><li>Elements can be refined using qualifiers </li></ul></ul><ul><ul><li>Any syntax may be used to record the metadata </li></ul></ul><ul><ul><li>Favours text-based resources </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    22. 22. / 61 Intro to metadata, educational metadata, and metadata-based searching Type Format Identifier Source Language Relation Coverage Title Subject Creator Description Publisher Date Contributor Rights Dublin Core Element Set
    23. 23. Application Profiles (Dublin Core) <ul><li>DC Government AP </li></ul><ul><ul><li>Metadata for governmental resources </li></ul></ul><ul><li>FAO DC AP </li></ul><ul><ul><li>Developed by FAO to describe learning resources </li></ul></ul><ul><li>SWAP DC AP </li></ul><ul><ul><li>Describing scholarly works </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    24. 24. IEEE LTSC LOM <ul><li>Tries to define the attributes required to fully/adequately describe a Learning Object </li></ul><ul><li>Learning Objects are defined as any entity, digital or non-digital, which can be used, re-used or referenced during technology supported learning </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching * http://ltsc.ieee.org/wg12/
    25. 25. Element Set <ul><li>9 categories of elements </li></ul><ul><ul><li>E lements may be repeated either individually or as a group </li></ul></ul><ul><ul><li>V alue space and D atatype is defined for each element </li></ul></ul><ul><ul><li>Can be profiled to meet context-specific needs </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    26. 26. Value Spaces & Datatypes <ul><li>Value space : Restrictions on elements </li></ul><ul><ul><li>E.g. Unicode or controlled vocabularies </li></ul></ul><ul><li>Datatypes : </li></ul><ul><ul><li>LangString </li></ul></ul><ul><ul><li>Vocabulary </li></ul></ul><ul><ul><li>DateTime  </li></ul></ul><ul><ul><li>Duration </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    27. 27. / 61 Intro to metadata, educational metadata, and metadata-based searching IEEE LOM Categories Life Cycle Meta-metadata Technical Educational Rights Relation Annotation General Classification
    28. 28. Application Profiles (IEEE LOM) <ul><li>UK LOM Core </li></ul><ul><ul><li>Further and Higher Education in UK </li></ul></ul><ul><li>ANZ-LOM </li></ul><ul><ul><li>Education in Australia and New Zealand </li></ul></ul><ul><li>NORLOM </li></ul><ul><ul><li>Norwegian LOM Application Profile </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    29. 29. Application Profiles (IEEE LOM) <ul><li>ISRACore </li></ul><ul><ul><li>Israeli LOM Application Profile </li></ul></ul><ul><li>Vetadata </li></ul><ul><ul><li>Australian Vocational Training and Education Sector </li></ul></ul><ul><li>Organic.Edunet Application Profile </li></ul><ul><ul><li>Learning resources on Organic Agriculture and Agroecology </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    30. 30. Application Profiles (IEEE LOM) <ul><li>CG LOM Core </li></ul><ul><ul><li>Consultative Group on International Agricultural Research </li></ul></ul><ul><li>TW LOM </li></ul><ul><ul><li>Education in Taiwan </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    31. 31. Learning Objects
    32. 32. Structure <ul><li>Definition of Learning Objects </li></ul><ul><li>Examples </li></ul><ul><li>Granularity of LOs </li></ul><ul><li>Quality of LOs </li></ul><ul><li>Reusable LOs </li></ul><ul><li>Online Sources </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    33. 33. Learning Object <ul><li>“ E ducational resources that can be employed in technology supported learning ” 1 </li></ul><ul><li>“ Any entity, digital or non-digital, which can be used, re-used and referenced during technology-supported learning” 2 </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching 1 Learning Objects: A Practical Definition, Rory McGreal 2 http://ltsc.ieee.org/wg12/s_p.html
    34. 34. Learning Object <ul><li>With appropriate metadata descriptions, they can be modular units that can be assembled together to form lessons and courses </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching Learning Objects: A Practical Definition, Rory McGreal Lesson that is compiled from audio, video, text, images, etc
    35. 35. Learning Object <ul><li>A LO can be based on : </li></ul><ul><ul><li>E lectronic text , </li></ul></ul><ul><ul><li>Web site , </li></ul></ul><ul><ul><li>I mage, </li></ul></ul><ul><ul><li>M ovie , </li></ul></ul><ul><ul><li>Java applets </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching Learning Objects: A Practical Definition, Rory McGreal
    36. 36. Video <ul><li>Video of a presentation on economics </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching Screenshot from Youtube
    37. 37. Text <ul><li>To be used when talking about learning objects </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching Learning Objects: A Practical Definition, Rory McGreal
    38. 38. Image <ul><li>To be used in teaching of food chains in nature </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching   www.srd.gov.ab.ca
    39. 39. Granularity Levels <ul><li>C ontent, information or knowledge object </li></ul><ul><li>Lesson </li></ul><ul><ul><li>Contains many objects </li></ul></ul><ul><li>Module </li></ul><ul><ul><li>Contains many lessons </li></ul></ul><ul><li>Course </li></ul><ul><ul><li>Contains many modules </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    40. 40. Granularity Levels / 61 Intro to metadata, educational metadata, and metadata-based searching Course Module 1 Module 2 Lesson 1 Lesson 2 Objects
    41. 41. LO Sources <ul><li>MERLOT - Multimedia Educational Resource for Online Learning and Teaching ( www.merlot.org ) </li></ul><ul><li>Maricopa Center for Learning and Instruction ( http://www.mcli.dist.maricopa.edu/ ) </li></ul><ul><li>Careo - Campus Alberta Repository of Educational Objects ( http://www.careo.org/ ) </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    42. 42. LO Sources <ul><li>Education Network Australia - http:// edna.edu.au </li></ul><ul><li>WISC Online Resource Center - www.wisc-online.com/ </li></ul><ul><li>EcoLearnIT - http://ecolearnit.ifas.ufl.edu/ </li></ul><ul><li>LeMill - http://lemill.net/ </li></ul><ul><li>Connexions - http://cnx.org/ </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    43. 43. LO Sources <ul><li>MIT Opencourseware - http://ocw.mit.edu/ </li></ul><ul><li>Open Learning Initiative - http://oli.web.cmu.edu/openlearning/ </li></ul><ul><li>Gateway to Educational Materials (GEM) - http://www.thegateway.org/ </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    44. 44. LO Reuse <ul><li>Open Archives Initiative Object Reuse and Exchange (OAI-ORE) defines standards for the description and exchange of aggregations of Web resources </li></ul><ul><li>In this way, the reuse of LOs is facilitated </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    45. 45. LO Reuse <ul><li>Learning objects, may combine resources with media types such as text, images and video </li></ul><ul><li>OAI-ORE standards expose the se combinations to applications that support authoring, deposit, exchange, visualization, reuse, and preservation of learning objects </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    46. 46. Learning Repositories
    47. 47. Structure <ul><li>Learning Object Repository </li></ul><ul><li>Examples </li></ul><ul><li>Types of Repositories </li></ul><ul><li>Functionalities </li></ul><ul><li>Legal Issues </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    48. 48. Learning Object Repository (LOR) <ul><li>“ A collection of digital assets and/or meta-data accessible without prior knowledge of the repository’s structure through a interoperable functions via a network” * </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching *IMS Digital Repositories Interoperability Specification
    49. 49. Learning Object Repository (LOR) <ul><li>“ LORs are databases used for storing and/or enabling the interoperability of LOs” * </li></ul><ul><li>Do LORs store LOs or simply the metadata describing them with associated links? </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching *R. McGreal, A Typology of Learning Object Repositories , 2007
    50. 50. <ul><li>Content repositories ( Type 1 ); </li></ul><ul><ul><li>MIT Open Courseware , SOFIA </li></ul></ul><ul><li>Linking or metadata repositories ( Type 2 ); </li></ul><ul><ul><li>MERLOT, CITIDEL </li></ul></ul><ul><li>Hybrid repositories ( Type 3 ) </li></ul><ul><ul><li>ARIADNE, COLLOR </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching Type 3 LORs Links to LOs & locally stored content Type 1 LORs Only locally stored content Type 2 LORs Only links to LOs
    51. 51. Examples / 61 Intro to metadata, educational metadata, and metadata-based searching
    52. 52. / 61 Intro to metadata, educational metadata, and metadata-based searching
    53. 53. Digital Repositories <ul><li>Institutional </li></ul><ul><ul><li>educational or research parent body controlled </li></ul></ul><ul><li>Discipline-Base d </li></ul><ul><ul><li>Aka Subject or Research repositor ies </li></ul></ul><ul><ul><li>B ased around a specific discipline </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching *Digital Repositories: Issues and Challenges, a Literature Review, A. Luarte Rmit, 2006
    54. 54. Digital Repositories <ul><li>Consortia Repositories </li></ul><ul><ul><li>Founded by a consortium of institutions </li></ul></ul><ul><li>Learning Objects </li></ul><ul><ul><li>Repository with learning objects used in teaching and training </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching *Digital Repositories: Issues and Challenges, a Literature Review, A. Luarte Rmit, 2006
    55. 55. The Australian Way <ul><li>See the object without contractual obligations; </li></ul><ul><li>Simple, non-intimidating design and structure; </li></ul><ul><li>Being able to get the object straight away; </li></ul><ul><li>Being able to store the object </li></ul><ul><ul><li>On your own computer or </li></ul></ul><ul><ul><li>On personal online space (protected with login) </li></ul></ul><ul><li>Simple versus advanced </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching Flexible Learning Advisory Group, 2003
    56. 56. LOR Functionalities <ul><li>search/find </li></ul><ul><ul><li>the ability to locate an appropriate learning object </li></ul></ul><ul><li>quality control </li></ul><ul><ul><li>ensure that learning objects meet technical, educational and metadata requirements </li></ul></ul><ul><li>request </li></ul><ul><ul><li>a learning object that has been located in the database </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching *Higgs, 2003
    57. 57. LOR Functionalities <ul><li>maintain </li></ul><ul><ul><li>appropriate version control </li></ul></ul><ul><li>retrieve </li></ul><ul><ul><li>receive an object that has been requested </li></ul></ul><ul><li>submit </li></ul><ul><ul><li>provide an object to a repository for storage </li></ul></ul><ul><li>publish </li></ul><ul><ul><li>provide metadata to other repositories </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching *Higgs, 2003
    58. 58. LOR Functionalities <ul><li>store </li></ul><ul><ul><li>place a submitted object into a data store with unique, registered identifiers that allow it to be located </li></ul></ul><ul><li>gather (push/pull) </li></ul><ul><ul><li>obtain metadata about objects in other repositories for wider searches and information via a clearing house function </li></ul></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching *Higgs, 2003
    59. 59. Interoperability <ul><li>Supported and promoted by the Open Archive Initiative , Protocol for Metadata Harvesting (OAI-PMH) </li></ul><ul><li>E nables the sharing of metadata between services </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    60. 60. OAI – PMH <ul><li>The Open Archives Initiative develops and promotes interoperability standards to facilitate the efficient dissemination of content </li></ul><ul><li>OAI has its roots in the open access movements </li></ul><ul><li>P romote s broad access to resources for eScholarship, eLearning, and eScience </li></ul>/ 61 Intro to metadata, educational metadata, and metadata-based searching
    61. 61. <ul><li>Dear user, </li></ul><ul><li>please take the time (5 minutes) to help us improve METASCHOOL modules! </li></ul><ul><li>Find the Module Questionnaire here: </li></ul><ul><ul><li>METASCHOOL Portal: http://lreforschools.eun.org/metaschool </li></ul></ul><ul><ul><li>Find present module (ask your workshop leader, if you are unsure) </li></ul></ul><ul><ul><li>Scroll to the end of the module description </li></ul></ul><ul><ul><li>Fill in the Module Questionnaire </li></ul></ul><ul><li>If you took part in a METASCHOOL Workshop and this is the last module of your workshop, please ALSO help us improve our METASCHOOL Workshops by completing the Workshop Questionnaire (10 minutes): </li></ul><ul><ul><li>METASCHOOL Portal: http://lreforschools.eun.org/metaschool </li></ul></ul><ul><ul><li> Click on a language: </li></ul></ul>Evaluation
    62. 62. Intro to metadata, educational metadata, and metadata-based searching Informatics Laboratory Agricultural University of Athens http://infolab-dev.aua.gr/
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