An XML Syntax for RDF: RDF/XML. Ming Jing Team W. Tutorial Overview. • Order. - Description Classes. - Describing Properties. - Interpreting RDF Schema Declarations. - Other Schema Information. - Richer Schema Languages. • statement mode. - Concept and Standard.
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- Description Classes
- Describing Properties
- Interpreting RDF Schema Declarations
- Other Schema Information
- Richer Schema Languages
• statement mode
- Concept and Standard
- Code and reletive triple, graph
1.To provide a method to define Class which represents vocabulary in different domain
2.To define the properties of Classes
a category set representing a certain domain (instance of many classes are allowed)
K E Y W O R D S
relation between subject resource and object resource
inheritance the father-class
inheritance properties from super-property
a set which subject resource must belong to
a set which object resource must belong to
super-class of all classes
all class is the instance of rdfs:Class
Use triple model to expound :
• All classes are the instances of rdfs:Class
• All things described are subclass of rdfs:Resource
ex:MotorVehicle rdf:type rdfs:Class .
ex:PassengerVehicle rdf:type rdfs:Class .
ex:Van rdf:type rdfs:Class .
property rdf:type suggested that rdfs:Class is the class of these instances
the super-class in all triples are always URI, URI is resource essentially
ex:PassengerVehicle rdfs:subClassOf ex:MotorVehicle .
ex:Van rdfs:subClassOf ex:MotorVehicle .
ex:Truck rdfs:subClassOf ex:MotorVehicle .
Motor Vehicle is a Class
Motor Vehicle is a Class (abbr.format)
PassengerVehicle is a subclass of MotorVehicle
" XML base+'companyCar' " is a instant of MotorVehicle (abbr.format)
REASERCH OBJECT: the properties which express the relation
between subject resource and object resource
******All properties in RDF are instances of rdf:Property******
ex:author rdf:type rdf:property .
Declare author is a property
exterms:weight rdfs:domain ex:Book .
exterms:weight rdfs:domain ex:MotorVehicle .
the domain of weight(a property) is ex:book and ex:MotorVehicle
ex:hasMother rdfs:range ex:Female .
ex:hasMother rdfs:range ex:Person .
the range of weight(a property) is ex:Female and ex:Person
xsd:integer rdf:type rdfs:Datatype .
To declare a data type use "to instenclism the class"
ex:driver rdf:type rdf:Property .
ex:primaryDriver rdf:type rdf:Property .
ex:primaryDriver rdfs:subPropertyOf ex:driver .
Use rdfs:subPropertyOf (sub-property includes all domain and range defined in super-property)