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IEEE LOM

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LOM metadata standard

LOM metadata standard

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IEEE LOM IEEE LOM Presentation Transcript

  • IEEE LOM Bram Vandeputte K.U.Leuven 1
  • slideshare • http://www.slideshare.net/bramvandeputte 2
  • Index • Introduction • General Overview • Detailed structure 3
  • Introduction • LO : digital or non digital resource • conceptual data schema : interoperability • multi cultural and lingual contexts • hierarchical • 9 categories • extendable • IEEE LOM final draft (Google) : • http://ltsc.ieee.org/wg12/files/LOM_1484_12_1_v1_Final_Draft.pdf 4
  • General Overview • Structure • Data types • Vocabularies 5
  • Structure 1. general : general info about LO 2. lifecycle : history and current state 3. meta metadata : info about metadata 4. technical : requirements and characteristics 5. educational : and pedagogic characteristics 6. rights : IPR and CoU 6
  • Structure 7. relation : relationships between LO’s 8. annotation : comments on educational use 9. classification : class. system 7
  • Data types • LangString : (“en”, “This is a String”) • DateTime : “1997-07-16T19:20:30+01:00” • Duration : “PT1H30M” (1h and 30 min) • CharacterString • Undefined • Vocabulary 8
  • Vocabularies • recommended list of values -> extendable • described in a source - value pair • source defines the value space • default : LOMv1.0 9
  • Detailed structure 1. General : 1. identifier : catalog - entry 2. title 3. language 4. description 5. keyword 6. coverage : time, cultrure, geography or region 7. structure : vocabulary 8. aggregation level : granularity 10
  • Detailed structure 2. lifecycle : 1. version 2. status 3. contribute : role - entity - date 11
  • Detailed structure 3. meta metadata : 1. identifier : catalog - entry 2. contribute : role - entity - date 3. metadata schema : eg. LOMv1.0, ASPECTv1.0, ... 4. language 12
  • Detailed structure 4. technical : 1. format : MIME type (“text/html”) 2. size : in bytes 3. location : URL 4. requirement : OS or browser req. 5. installation remarks 6. other platform requirements 7. duration 13
  • Detailed structure 5. educational : 1. interactivity type 2. learning resource type : figure, graph, text, ... 3. interactivity level : very low - very high 4. semantic density : very low - very high 5. intended end user role : teacher - learner ... 6. context : school - higher education ... 14
  • Detailed structure 5. educational (bis) 7. typical age range : 12-18 8. difficulty : very easy - very difficult 9. typical learning time 10.description : how to be used 11.language : human language of intended user 15
  • Detailed structure 6. rights : 1. cost : yes/no 2. copyright and other restrictions : yes/no 3. description 16
  • Detailed structure 7. relation : 1. kind 2. resource : identifier + description 17
  • Detailed structure 8. annotation : comments on educational use 1. entity 2. date 3. description 18
  • Detailed structure 9. classification : one or more classification systems 1. purpose 2. taxon path 3. description 4. keyword 19
  • Thank you • Questions ? 20