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Ontology Programming Notes

Page where notes about libraries and how things might work will be stored:

Ontology applications¶

• protege the defacto standard
• TopBraid Composer Free Edition
  • download page
    == .Net Libraries ==
• semweb Semantic Web/RDF Library for C#/.NET
• rolex ROWLEX stands for Relaxed OWL EXperience
• Linq to RDF
  • google code project
  • install linq to rdf, then rdf designer second
    

Original Code Notes ¶

Original code use the Java Jena classes, ported using iKVM.

Other examples ¶

• Marine vocabularies
• slick gml dictionary http://ws.spotimage.com/SensorML/ESA/dictionary/Dictionary_ESA_BandTypes_v01_draft02.xml
  

RDF/XML ¶

Original ¶

Proposed Modifcations ¶

• Use about to link resources
• add a database ID as a property
  

Sample RDF from ¶

• export from medi wiki: Ontology RDF from Neurolex
  

From the RDF document ¶

http://www.w3.org/TR/rdf-schema/#ch_appendix_rdfs

1. The first Class is a resource.
2. The first property, defines type
3. The second class defines class as SubClassOf Resource (using about as the link
   

   
   
   <rdfs:Class rdf:about="http://www.w3.org/2000/01/rdf-schema#Resource">
   
   <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
   
   <rdfs:label>Resource</rdfs:label>
   
   <rdfs:comment>The class resource, everything.</rdfs:comment>
   
   </rdfs:Class>
   
   <rdf:Property rdf:about="http://www.w3.org/2000/01/rdf-schema#isDefinedBy">
   
   <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
   
   <rdfs:subPropertyOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#seeAlso"/>
   
   <rdfs:label>isDefinedBy</rdfs:label>
   
   <rdfs:comment>The defininition of the subject resource.</rdfs:comment>
   
   <rdfs:range rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
   
   <rdfs:domain rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
   
   </rdf:Property>
   
   <rdfs:Class rdf:about="http://www.w3.org/2000/01/rdf-schema#Class">
   
   <rdfs:isDefinedBy rdf:resource="http://www.w3.org/2000/01/rdf-schema#"/>
   
   <rdfs:label>Class</rdfs:label>
   
   <rdfs:comment>The class of classes.</rdfs:comment>
   
   <rdfs:subClassOf rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
   
   </rdfs:Class>