Difference between revisions of "Extending SiDIF"

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= SiDIF Extension Proposal =
 
= SiDIF Extension Proposal =
  
== 1. Statement Representations and Evolution ==
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== Statement Representations and Evolution ==
  
=== 1.1 Natural Language Statement ===
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=== Natural Language Statement ===
 
<syntaxhighlight lang="text">
 
<syntaxhighlight lang="text">
 
dad loves mom
 
dad loves mom
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* object (mom)
 
* object (mom)
  
=== 1.2 Semantic Web Identifiers ===
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=== Semantic Web Identifiers ===
 
The same triple structure with Wikidata URLs:
 
The same triple structure with Wikidata URLs:
 
<syntaxhighlight lang="text">
 
<syntaxhighlight lang="text">
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Now each part has a unique identifier in the semantic web space. The first version shows the raw syntax, while the second version shows the actual linked URIs.
 
Now each part has a unique identifier in the semantic web space. The first version shows the raw syntax, while the second version shows the actual linked URIs.
  
=== 1.3 Human-Readable with Links ===
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=== Human-Readable with Links ===
 
<syntaxhighlight lang="text">
 
<syntaxhighlight lang="text">
 
[https://www.wikidata.org/wiki/Q76 Barack Obama] [https://www.wikidata.org/wiki/Property:P26 spouse] [https://www.wikidata.org/wiki/Q13133 Michelle Obama]
 
[https://www.wikidata.org/wiki/Q76 Barack Obama] [https://www.wikidata.org/wiki/Property:P26 spouse] [https://www.wikidata.org/wiki/Q13133 Michelle Obama]
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Combines human readability with semantic web identifiers.
 
Combines human readability with semantic web identifiers.
  
== 2. Current SiDIF Reference Mechanism ==
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== Current SiDIF Reference Mechanism ==
  
=== 2.1 Using 'it' Keyword ===
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=== Using 'it' Keyword ===
 
<syntaxhighlight lang="text">
 
<syntaxhighlight lang="text">
 
dad loves mom
 
dad loves mom
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'it' refers to the subject of the previous statement, bridging Object-Oriented concepts (this/self) with semantic web references.
 
'it' refers to the subject of the previous statement, bridging Object-Oriented concepts (this/self) with semantic web references.
  
=== 2.2 Proposed Extension for Statement Parts ===
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=== Proposed Extension for Statement Parts ===
 
<syntaxhighlight lang="text">
 
<syntaxhighlight lang="text">
 
https://www.wikidata.org/wiki/Q76 is wikidata_url of subject
 
https://www.wikidata.org/wiki/Q76 is wikidata_url of subject
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Allows referencing any part of the previous statement.
 
Allows referencing any part of the previous statement.
  
== 3. Core Concepts and Bridging ==
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== Core Concepts and Bridging ==
  
=== 3.1 Fundamental Elements ===
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=== Fundamental Elements ===
 
<syntaxhighlight lang="text">
 
<syntaxhighlight lang="text">
 
Entity - Object
 
Entity - Object
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* Semantic Web: Resources and their properties
 
* Semantic Web: Resources and their properties
  
=== 3.2 Technology Integration Example ===
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=== Technology Integration Example ===
 
<syntaxhighlight lang="text">
 
<syntaxhighlight lang="text">
 
Person isA Concept
 
Person isA Concept
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</syntaxhighlight>
 
</syntaxhighlight>
  
== 4. Semantic Web Foundation ==
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== Semantic Web Foundation ==
  
=== 4.1 Description Logic Basis ===
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=== Description Logic Basis ===
 
OWL/Description Logic components:
 
OWL/Description Logic components:
 
* Concepts (Classes)
 
* Concepts (Classes)
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* Individuals (Instances)
 
* Individuals (Instances)
  
=== 4.2 RDF/OWL Mappings ===
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=== RDF/OWL Mappings ===
 
<syntaxhighlight lang="text">
 
<syntaxhighlight lang="text">
 
# Class hierarchy
 
# Class hierarchy
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</syntaxhighlight>
 
</syntaxhighlight>
  
== 5. Design Decisions ==
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== Design Decisions ==
  
=== 5.1 Reference Keywords Options ===
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=== Reference Keywords Options ===
1. Full form: subject/predicate/object
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# Full form: subject/predicate/object
2. Short form: s/p/o
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# Short form: s/p/o
3. Alternative: subject/link/object
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# Alternative: subject/link/object
  
=== 5.2 Key Bridging Concepts ===
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=== Key Bridging Concepts ===
1. 'it' semantics bridges:
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# 'it' semantics bridges:
  * OO: self/this/me
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* OO: self/this/me
  * Semantic Web: subject reference
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* Semantic Web: subject reference
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# Statement part references enable:
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* Metadata about relationships
 +
* Integration with semantic web identifiers
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* Technology-specific bindings
  
2. Statement part references enable:
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=== Relationship Considerations ===
  * Metadata about relationships
 
  * Integration with semantic web identifiers
 
  * Technology-specific bindings
 
 
 
=== 5.3 Relationship Considerations ===
 
 
<syntaxhighlight lang="text">
 
<syntaxhighlight lang="text">
 
# 1:n relations bring:
 
# 1:n relations bring:

Revision as of 10:50, 28 January 2025

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SiDIF Extension Proposal

Statement Representations and Evolution

Natural Language Statement

dad loves mom

This represents the most basic, human-readable form of a statement. It contains:

  • subject (dad)
  • predicate (loves)
  • object (mom)

Semantic Web Identifiers

The same triple structure with Wikidata URLs:

https://www.wikidata.org/wiki/Q76 https://www.wikidata.org/wiki/Property:P26 https://www.wikidata.org/wiki/Q13133

https://www.wikidata.org/wiki/Q76 https://www.wikidata.org/wiki/Property:P26 https://www.wikidata.org/wiki/Q13133

Now each part has a unique identifier in the semantic web space. The first version shows the raw syntax, while the second version shows the actual linked URIs.

Human-Readable with Links

[https://www.wikidata.org/wiki/Q76 Barack Obama] [https://www.wikidata.org/wiki/Property:P26 spouse] [https://www.wikidata.org/wiki/Q13133 Michelle Obama]

Barack Obama spouse Michelle Obama

Combines human readability with semantic web identifiers.

Current SiDIF Reference Mechanism

Using 'it' Keyword

dad loves mom
https://www.wikidata.org/wiki/Q76 is wikidata_url of it

'it' refers to the subject of the previous statement, bridging Object-Oriented concepts (this/self) with semantic web references.

Proposed Extension for Statement Parts

https://www.wikidata.org/wiki/Q76 is wikidata_url of subject
1992-10-03 is date of predicate
https://www.wikidata.org/wiki/Q13133 is wikidata_url of object

Allows referencing any part of the previous statement.

Core Concepts and Bridging

Fundamental Elements

Entity - Object
Link - relation between two objects

These map to both OO and Semantic Web paradigms:

  • OO: Objects and their relationships
  • Semantic Web: Resources and their properties

Technology Integration Example

Person isA Concept

# Technology binding options
Person_Sparql is sparql_impl of subject
http://foaf/... is prefix_url of subject
foaf is prefix of subject

Barack1950 isA Person
"Barack" is firstname of subject

Semantic Web Foundation

Description Logic Basis

OWL/Description Logic components:

  • Concepts (Classes)
  • Roles (Properties)
  • Individuals (Instances)

RDF/OWL Mappings

# Class hierarchy
Concept subClassOf owl:Thing    # Top concept (T with bar)
owl:Nothing                     # Bottom concept (inverted T)

# Instance relationship
Barack rdfType Person          # Individual -> Class relationship

Design Decisions

Reference Keywords Options

  1. Full form: subject/predicate/object
  2. Short form: s/p/o
  3. Alternative: subject/link/object

Key Bridging Concepts

  1. 'it' semantics bridges:
  • OO: self/this/me
  • Semantic Web: subject reference
  1. Statement part references enable:
  • Metadata about relationships
  • Integration with semantic web identifiers
  • Technology-specific bindings

Relationship Considerations

# 1:n relations bring:
# Good: Flexibility for different tech bindings
# Challenge: Increased complexity
Person_Sparql is sparql_impl of subject
foaf is prefix of subject