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Learning object metadata-IEEE with metadata basics
 

Learning object metadata-IEEE with metadata basics

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First part of the presentation consists of Metadata basics and second part of the presentation consists of Learning Object metadata developed by Institute of Electrical and Electronic Engineers (IEEE) ...

First part of the presentation consists of Metadata basics and second part of the presentation consists of Learning Object metadata developed by Institute of Electrical and Electronic Engineers (IEEE) and its applications like CanCore, GEM 2.0 and Learning Object Resource (LOR) ontology.

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    Learning object metadata-IEEE with metadata basics Learning object metadata-IEEE with metadata basics Presentation Transcript

    • LOM-IEEE with Metadata basics MANASA RATH 1st year M.S.(LIS) Roll No.- 4
    • CONTENTS METADATA  Need  Structure  Types and Functions  Anatomy  Relationship between metadata schema and record  LOM-IEEE  Introduction  Structure  Categories  CanCore  GEM 2.0 
    • METADATA Simply defined as “Data about data”  Refined to “structured information that describes, explains, locates, or otherwise  Metadata, like data, is expressed as singular or plural.  Required for physical access, finding sources we need and places we want to g  Invisible hand of efficient organisation in the Web. 
    • STRUCTURE  Semantics What are the metadata elements? What are the definitions of these elements? Are they mandatory? Repeatable?  Content rules How are values for the metadata elements selected and represented?  Syntax How are the metadata elements encoded in machine readable form? 
    • Schemes, schemas, and formats Metadata formats and schemes The metadata elements and rules for use that have been defined for a particular purpose  Metadata schema How a metadata format is formally structured in a database or in XML. 
    • ANATOMY Elements* in a metadata may structured in different ways and pres  Linear list- enumerated  Flat list- side by side  Hierachical structure-Parent child relationship  * A metadata element is a formally defined term used to describe one of the properties  *Element set defines the structure and semantics of a group of a elements. A metadata  
    • Learning Object Metadata-IEEE Metadata for educational resources  Learning Object (LO) is any digital resource that can be reused to support learning  Learning Object Repository (LOR) is any collection of resources that are accessible via  Reusability is the extent to which LO can operate effectively for a variety of users in a v 
    • etadata Needs for Educational Resources Resources used in teaching and learning need to be described with edu  Repurposing a general resource as an educational resource (ADEPT)  -> A set of knowledge bases for more than 1,000 scientific concepts  ->Learning object collection(consisting app. 2,000 objects like maps, fig  ->Collection of reusable presentation materials such as courseware for  Provision of shortcuts to determine usage appropriateess of educationa 
    • EEE Learning Technology Standards Committee(L To enable learners or instructors to search, evaluate, acquire and utiliz  To enable the sharing and exchange of Learning Objects across any te  To enable the development of Learning Objects in units that can be com  To enable computer agents to automatically and dynamically compose  To compliment the direct work on standards that are  focussed on enabling multiple learning Learning Objects to work toge 
    • Categories to represent LOM ->GENERAL: Elements include identifier,title,language,description,key  ->LIFE CYCLE: Contains version,status and contribute(includes role,en  ->META-METADATA: Reuses “contribute” element construction from L 
    • ->RIGHTS: Uses elements of cost, copyright,digital rights expression  ->RELATION: Identifies possible relations of a resource to other resources.  ->ANNOTATION: Employs only four elements to “enable educators to share 
    • ->TECHNICAL: Indicated format,sizeand other “objective”characteristics o
    • ->EDUCATIONAL: focuses on “subjective” characteristics of the object, i
    • ->CLASIIFICATION:Provides intricately structured elements (taxon source
    • Applications of LOM -> CanCore: focusses on semantics and interpretation and interpretation Guidelines emphasize refinement and explication rather than customizat
    • Gateway to Educational Materials (GEM) 2.0 ->Metadata scheme which includes the element “pedagogy” which has b ->GEM v 2.0 is fully integrated with Dublin Core element sets and qualifie The elements requireed for handing educational materials are Cataloging GEM elements have qualifiers and provide detailed explanation of all ele