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Everything You Need to Know about LRMI
                     LRMI In Context

   Brandt Redd – Bill & Melinda Gates Foundation




CC-BY 3.0                                            1
Control Theory
                           Sensor
Feedback


  Reference   Controller   Input    System   Output
Pedagogical Theory
                       Assessment
Feedback


 Standards
             Teacher    Activities
                                       Student    Skills



                                     Feedback must be:
                                     • Frequent
                                     • Fast
                                     • Rich
The Personalized
Learning Model “What don’t I
                 know?”                             CEDS
                                                    SIF
                                                               Learning
                                                               Feedback
                                                    PESC         Loop
                                  Student Data
                                                   LRMI
                                       Alignment
                                                   LR


                                       Learning
                                      Objectives
                                        CCSS
            “How did I                                             “How do I
              do?”                                                learn this?”
                         Assessment                  Content
                    QTI, APIP                       W3C, IMS




                                                                          4
Four-Layer Framework
                                 for Data Standards
                            CEDS 2.0
                            Data            Definition of data elements




                                                                             Depth of Systems Integration
                                            including name and




                                                                              Ease of Data Exchange and
                            Dictionary      interpretation.
Broader Applicability and
 Longevity of Standards




                            Data            Logical definition of entities
                                            as groups of elements and
                            Model           inter-entity relationships.
                                            Concrete digital format for
                            Serialization   storage or transmission of
                                            entities.
                                            Transport layer and message
                            Protocol        formats for exchanging
                                            serialized entities.
Schema.org
• Jointly Developed by Bing! Google and Yahoo
• Specifies metadata schemas for common
  internet items.
        – E.g.
          Article, Blog, MusicRecording, Photograph, Recipe,
          SoftwareApplication, WebPage
• Invited industry consortia to submit additions.


CC-BY 3.0                                                  6
“Potato Salad” Demo




CC-BY 3.0                         7
Aligning Content to Competencies
LRMI addresses those metadata properties that distinguish
             content intended for learning.

              Learning               Competencies
             Resources                  (Objectives or
              (Content)            Achievement Standards)

                           LRMI




CC-BY 3.0                                                   8
Identifiers for the Common Core
          State Standards (CCSS)
    • Dot Notation
      CCSS.Math.6.NS.3
    • URL
            http://corestandards.org/math/content/6/NS/3
    • GUID
      1F31DD363906484D9D2779A34FB59611
    (http://corestandards.org/assets/E0330_ccss_identifiers.csv)


CC-BY 3.0                                                          9
Common Core Granularity

              6.NS.3
              Fluently add, subtract, multiply,
              and divide multi-digit decimals
              using the standard algorithm for
              each operation.”




CC-BY 3.0                                         10
Learning Registry
An open exchange for metadata assertions.

                             Assertion
                   http://khanacademy.org/math/arithmetic/decimals/v/
     Statement:    dividing-decimals
                   Teaches
                   http://corestandards.org/math/content/6/NS/3

                   Stated by: http://khanacademy.org
     Provenance:   When: 2011-10-23 13:45:27


                   59F8C29AD94C50A8D44F9357B32B89D9
     Signature:
                                                                        11


CC-BY 3.0
LRMI / LR Mesh
 Vocabulary                Schema.org        LRMI           Other

 Purpose                     Search Engine
                               Discovery
                                                      Data Exchange

 Encoding                      HTML
                                                      Any, incl. LRMI
                              Microdata

 Distribution               Web Crawling             Peer Replication


                   Schema.org                         Learning Registry

Although LRMI is being developed in the Schema.org context, its vocabulary is also
appropriate for the Learning Registry.
 CC-BY 3.0                                                                    12
Shared Learning Collaborative
  An alliance of states, foundations, educators, content
 providers, developers and vendors who are passionate
     about using technology to improve education.

            Student Data Services                   Content Services

                                   Application Layer
                             Security &          Metadata API
 Student Data API           Permissions
                                                   LR Index
      Student Data Store
                                            Standards     Content
              Ingestion Services               Data        Data          Other
                                                                           LR
        SLDS                   LLDS           Learning Registry        Instances
CC-BY 3.0                                                                  13
Resources
• http://schema.org – Schema.org
• http://lrmi.net – Learning Resource Metadata
  Initiative
• http://corestandards.org – Common Core State
  Standards
• http://learningregistry.org – Learning Registry
• https://ceds.ed.gov/ - Common Education Data
  Standards
• http://slcedu.org – Shared Learning Collaborative
• http://ofthat.com – Brandt’s Blog
CC-BY 3.0                                         14

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LRMI in Context, Brandt Redd

  • 1. Everything You Need to Know about LRMI LRMI In Context Brandt Redd – Bill & Melinda Gates Foundation CC-BY 3.0 1
  • 2. Control Theory Sensor Feedback Reference Controller Input System Output
  • 3. Pedagogical Theory Assessment Feedback Standards Teacher Activities Student Skills Feedback must be: • Frequent • Fast • Rich
  • 4. The Personalized Learning Model “What don’t I know?” CEDS SIF Learning Feedback PESC Loop Student Data LRMI Alignment LR Learning Objectives CCSS “How did I “How do I do?” learn this?” Assessment Content QTI, APIP W3C, IMS 4
  • 5. Four-Layer Framework for Data Standards CEDS 2.0 Data Definition of data elements Depth of Systems Integration including name and Ease of Data Exchange and Dictionary interpretation. Broader Applicability and Longevity of Standards Data Logical definition of entities as groups of elements and Model inter-entity relationships. Concrete digital format for Serialization storage or transmission of entities. Transport layer and message Protocol formats for exchanging serialized entities.
  • 6. Schema.org • Jointly Developed by Bing! Google and Yahoo • Specifies metadata schemas for common internet items. – E.g. Article, Blog, MusicRecording, Photograph, Recipe, SoftwareApplication, WebPage • Invited industry consortia to submit additions. CC-BY 3.0 6
  • 8. Aligning Content to Competencies LRMI addresses those metadata properties that distinguish content intended for learning. Learning Competencies Resources (Objectives or (Content) Achievement Standards) LRMI CC-BY 3.0 8
  • 9. Identifiers for the Common Core State Standards (CCSS) • Dot Notation CCSS.Math.6.NS.3 • URL http://corestandards.org/math/content/6/NS/3 • GUID 1F31DD363906484D9D2779A34FB59611 (http://corestandards.org/assets/E0330_ccss_identifiers.csv) CC-BY 3.0 9
  • 10. Common Core Granularity 6.NS.3 Fluently add, subtract, multiply, and divide multi-digit decimals using the standard algorithm for each operation.” CC-BY 3.0 10
  • 11. Learning Registry An open exchange for metadata assertions. Assertion http://khanacademy.org/math/arithmetic/decimals/v/ Statement: dividing-decimals Teaches http://corestandards.org/math/content/6/NS/3 Stated by: http://khanacademy.org Provenance: When: 2011-10-23 13:45:27 59F8C29AD94C50A8D44F9357B32B89D9 Signature: 11 CC-BY 3.0
  • 12. LRMI / LR Mesh Vocabulary Schema.org LRMI Other Purpose Search Engine Discovery Data Exchange Encoding HTML Any, incl. LRMI Microdata Distribution Web Crawling Peer Replication Schema.org Learning Registry Although LRMI is being developed in the Schema.org context, its vocabulary is also appropriate for the Learning Registry. CC-BY 3.0 12
  • 13. Shared Learning Collaborative An alliance of states, foundations, educators, content providers, developers and vendors who are passionate about using technology to improve education. Student Data Services Content Services Application Layer Security & Metadata API Student Data API Permissions LR Index Student Data Store Standards Content Ingestion Services Data Data Other LR SLDS LLDS Learning Registry Instances CC-BY 3.0 13
  • 14. Resources • http://schema.org – Schema.org • http://lrmi.net – Learning Resource Metadata Initiative • http://corestandards.org – Common Core State Standards • http://learningregistry.org – Learning Registry • https://ceds.ed.gov/ - Common Education Data Standards • http://slcedu.org – Shared Learning Collaborative • http://ofthat.com – Brandt’s Blog CC-BY 3.0 14

Hinweis der Redaktion

  1. I come from a family of engineers.That son I was talking about is a Mechanical Engineer working on PhDAs a computer scientist I barely qualifyWhen we talk about feedback loops, we can’t avoid getting into control theory.Open loopRequires a precise system to get predictable output.If the system breaks down and output goes haywire, input unchangedClosed feedback loopController adjusts the input to get predictable output
  2. Feedback in education is pretty much the sameStudent is not a precise systemAnd we like it that way.Foolish to standardize the activities because variation among students is guaranteed to produce a wide variety of results.Son’s exampleOne exam in all of high schoolMeasure of mathematical competency reduced to a single integer between 1 and 100InfrequentSlowWeak
  3. Nearly any content could be a learning resource. So, LRMI addresses those properties that distinguish the use of