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Copyright © 2019 CCC-TIES All rights reserved. 1
May 2020
Masumi Hori, Seishi Ono, Kensuke Miyashita, Toshihiro Kita and Takao Terano
E-mail: hori@cccties.org
Toward Sustainable Learning
Economy through a Block-
Chain Based Management
System
CSEDU2020
Copyright © 2019 CCC-TIES All rights reserved. 2
Index
1. Learning Economy Model (LEM)
2. Competency Based Learning
(CBL) in the LEM
3. Attributes of CBL
4. Conclusion
Copyright © 2019 CCC-TIES All rights reserved. 3
Learning Economy Model
(LEM)
Management of
Intellectual Property
Management of
Intellectual Property
Goods & Services Market
Knowledge
Knowhow Skill
Factor Market
BlogsSNS
Awareness
Blockchain
Learners Fabricants
Copyright © 2019 CCC-TIES All rights reserved. 4
SNS
CHiLO Knowledge
Blockchain
(Hyperledger
Fabric)
Agent
OUTPUT Method
Learners
Fabricant
MRC (Metadata of
resources configuration)
Meta Data Meta Data Meta Data
Contract Contract Contract
Copyright © 2019 CCC-TIES All rights reserved. 5
Experimental results
 Effect of learning support system
based on learning economy
 Externalize know-how and tacit knowledge
 Virtual currency as an indicator for
proactiveness
▸ Evaluation of learning outcomes
 Virtual currency motivates learning
▸ Motivation
Copyright © 2019 CCC-TIES All rights reserved. 6
The Challenge of LEM
 Challenge
 Takes time to assure the quality of the
knowledge in the market
 Solution
 Provide well thought out competency-
based learning (CBL)
Copyright © 2019 CCC-TIES All rights reserved. 7
Installing CBL in LEM
Management of
Intellectual Property
Management of
Intellectual Property
CBL AgentLearners
Goods & Services Market
Factor Market
Blockchain
CBL
(Competency Based Learning)
Behavioral data
Learning logs
Self Assessment
(1)
(2)
(3) (4)
Knowledge
DB
Academic
Papers
OER
Copyright © 2019 CCC-TIES All rights reserved. 8
Research for competency
graph structure
 Specimen : iCompetency Dictionary (iCD)
▸ A freely available competency dictionary
▸ Consists of 4,500 task dictionaries
▸ 10,000 skill dictionaries included
▸ Created for human IT development
▸ Established by the Information Processing Agency
Japan.
 Validation issues
 Examination of iCD parameter of property
 Finding the graph structure peculiar to competency
Copyright © 2019 CCC-TIES All rights reserved. 9
Bipartite graph
Task-nodes(n=639) Skill-nodes(n=491)
• Edges concentrate on
specific nodes
Edges
Copyright © 2019 CCC-TIES All rights reserved. 10
Order distribution
Task-nodes Skill-nodes
Degree: Number of edges connected to the node
Hub Hub
Copyright © 2019 CCC-TIES All rights reserved. 11
Power distribution
Scale-free network structure
R2=0.75,5.40-1.20log(x) R2=0.78,5.13-1.27log(x)
Task-nodes Skill-nodes
Copyright © 2019 CCC-TIES All rights reserved. 12
Discussion : Scale-free network
 Complex network structure
- GAFA, air traffics, Bacon numbers
 Hub
- Edges concentrate on specific nodes
 Growing network
- New nodes are likely to connect to hubs
- Network structure is robust.
Copyright © 2019 CCC-TIES All rights reserved. 13
New nodes connect to
existing hubs at a high rate
2014 version
Task-nodes
(n=639)
Skill-nodes
(n=491)
Task-nodes
(n=495)
Skill-nodes
(n=424)
2018 version
New nodes added
Copyright © 2019 CCC-TIES All rights reserved. 14
Conclusion
 Competency is the structure of a complex
network
 Task-Skill graph is scale-free
 Small world of skills and tasks monograph
 The centrality of the graph indicates the importance of
competency
 LEM using blockchain and CBL
 LEM is not required teachers, just keep learners motivated
 CBL in LEM can provide competencies tailored to learners'
desired learning
Copyright © 2019 CCC-TIES All rights reserved. 15
Please feel free to ask questions.
hori@cccties.org
Thank you.

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Toward Sustainable Learning Economy through a Block-Chain Based Management System

  • 1. Copyright © 2019 CCC-TIES All rights reserved. 1 May 2020 Masumi Hori, Seishi Ono, Kensuke Miyashita, Toshihiro Kita and Takao Terano E-mail: hori@cccties.org Toward Sustainable Learning Economy through a Block- Chain Based Management System CSEDU2020
  • 2. Copyright © 2019 CCC-TIES All rights reserved. 2 Index 1. Learning Economy Model (LEM) 2. Competency Based Learning (CBL) in the LEM 3. Attributes of CBL 4. Conclusion
  • 3. Copyright © 2019 CCC-TIES All rights reserved. 3 Learning Economy Model (LEM) Management of Intellectual Property Management of Intellectual Property Goods & Services Market Knowledge Knowhow Skill Factor Market BlogsSNS Awareness Blockchain Learners Fabricants
  • 4. Copyright © 2019 CCC-TIES All rights reserved. 4 SNS CHiLO Knowledge Blockchain (Hyperledger Fabric) Agent OUTPUT Method Learners Fabricant MRC (Metadata of resources configuration) Meta Data Meta Data Meta Data Contract Contract Contract
  • 5. Copyright © 2019 CCC-TIES All rights reserved. 5 Experimental results  Effect of learning support system based on learning economy  Externalize know-how and tacit knowledge  Virtual currency as an indicator for proactiveness ▸ Evaluation of learning outcomes  Virtual currency motivates learning ▸ Motivation
  • 6. Copyright © 2019 CCC-TIES All rights reserved. 6 The Challenge of LEM  Challenge  Takes time to assure the quality of the knowledge in the market  Solution  Provide well thought out competency- based learning (CBL)
  • 7. Copyright © 2019 CCC-TIES All rights reserved. 7 Installing CBL in LEM Management of Intellectual Property Management of Intellectual Property CBL AgentLearners Goods & Services Market Factor Market Blockchain CBL (Competency Based Learning) Behavioral data Learning logs Self Assessment (1) (2) (3) (4) Knowledge DB Academic Papers OER
  • 8. Copyright © 2019 CCC-TIES All rights reserved. 8 Research for competency graph structure  Specimen : iCompetency Dictionary (iCD) ▸ A freely available competency dictionary ▸ Consists of 4,500 task dictionaries ▸ 10,000 skill dictionaries included ▸ Created for human IT development ▸ Established by the Information Processing Agency Japan.  Validation issues  Examination of iCD parameter of property  Finding the graph structure peculiar to competency
  • 9. Copyright © 2019 CCC-TIES All rights reserved. 9 Bipartite graph Task-nodes(n=639) Skill-nodes(n=491) • Edges concentrate on specific nodes Edges
  • 10. Copyright © 2019 CCC-TIES All rights reserved. 10 Order distribution Task-nodes Skill-nodes Degree: Number of edges connected to the node Hub Hub
  • 11. Copyright © 2019 CCC-TIES All rights reserved. 11 Power distribution Scale-free network structure R2=0.75,5.40-1.20log(x) R2=0.78,5.13-1.27log(x) Task-nodes Skill-nodes
  • 12. Copyright © 2019 CCC-TIES All rights reserved. 12 Discussion : Scale-free network  Complex network structure - GAFA, air traffics, Bacon numbers  Hub - Edges concentrate on specific nodes  Growing network - New nodes are likely to connect to hubs - Network structure is robust.
  • 13. Copyright © 2019 CCC-TIES All rights reserved. 13 New nodes connect to existing hubs at a high rate 2014 version Task-nodes (n=639) Skill-nodes (n=491) Task-nodes (n=495) Skill-nodes (n=424) 2018 version New nodes added
  • 14. Copyright © 2019 CCC-TIES All rights reserved. 14 Conclusion  Competency is the structure of a complex network  Task-Skill graph is scale-free  Small world of skills and tasks monograph  The centrality of the graph indicates the importance of competency  LEM using blockchain and CBL  LEM is not required teachers, just keep learners motivated  CBL in LEM can provide competencies tailored to learners' desired learning
  • 15. Copyright © 2019 CCC-TIES All rights reserved. 15 Please feel free to ask questions. hori@cccties.org Thank you.