Presentation about the Web of Needs infrastructure held at CBI 2014 in Geneva, Switzerland

1. The Case For the Web of Needs
Florian Kleedorfer
Christina Maria Busch
Christian Pichler
Christian Huemer

2. The Web as a Marketplace
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Supply DemandSupply
Demand
@webofneeds

3. Google Search: Supply >> Demand
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4. Google Search: Supply >> Demand
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5. Marketplace Functions
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Publish intention (supply, demand, and others (!))
Find Partners
Perform Transactions
@webofneeds

6. Example: Rent a Hotel Room
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7. Representation
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8. Management of Combinations
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AND
shared
properties
distributed
transactions
@webofneeds

9. Decentralization
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10. Simple Proxy Creation
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11. Flexible Description Language
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 RDF
@webofneeds

12. World Readability
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 Linked Data
 1 URI per obj
 Allows
independent
matching
@webofneeds

13. Always On-Line Nodes
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 WoN Node
 Owner
Application
@webofneeds

14. Standardized CRUD Protocol
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Create
Read
Update
Delete
@webofneeds

15. Standardized Discovery Protocol
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16. Standardized Protocol for Making Connections
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connect 
 open
 communicate 
close 
@webofneeds

17. Layered Communication Protocol (Facets)
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Chat, group chat, comments
Transactions (WS-BA, DEMO)
more can be defined
connect 
 open
 communicate 
close 
@webofneeds

18. World-Readable Connection Information
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19. Anonymity (weak)
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 No personal
information
(unless you
want to)
@webofneeds

20. Anonymity (strong)
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 Onion Routing
@webofneeds

21. Identity
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 WebID
@webofneeds

22. Acess Control
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 WebAccessControl
Demand:
- when
- where
- how
- …
Transaction-related:
- invoice address
- email
- phone
- bank connection
Supply:
- when
- where
- how
- ...
Contact:
- email
- phone
Transaction-related:
- invoice address
- bank connection
public restricted access
@webofneeds

23. Trust Layer
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24. Trust Layer
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1. Interact
2. Give feedback
 cryptographically
signed, interconnected
track records
@webofneeds

25. Thin Clients
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26. Concluding: what are Owner Proxies?
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Owner Proxies should
• Be easy to understand technical artifacts
• Allow messy as well as structured data
• Behave predictably according to simple higher-level protocols
• Allow spontaneous cooperation based on common interest
e.g., e-commerce:
• WoN can be a common platform for customer AND
businesses
@webofneeds

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Visit: https://github.com/researchstudio-sat/webofneeds
Follow: @webofneeds
Contact:
Florian Kleedorfer
@fkleedorfer
florian.kleedorfer@researchstudio.at
Christina Maria Busch
@cm_busch
christina.busch@researchstudio.at
Christian Pichler
cpichler@ec.tuwien.ac.at
Christian Huemer
huemer@big.tuwien.ac.at