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An XML Syntax for RDF: RDF/XML

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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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Presentation Transcript
slide2
Tutorial Overview

• Order

- Description Classes

- Describing Properties

- Interpreting RDF Schema Declarations

- Other Schema Information

- Richer Schema Languages

• statement mode

- Concept and Standard

- Code and reletive triple, graph

slide3
Tutorial Outline

• The idea and macroscopic view

• Concept mentioned

• Specific Syntax in used

• Example to be analyzed

slide4
What is RDFS's job ?

ex:Montain

Semantic check

exterms:Hight

ex:John

1.To provide a method to define Class which represents vocabulary in different domain

2.To define the properties of Classes

slide5
Tutorial Outline

• The idea and macroscopic view

• Concept mentioned

• Specific Syntax in used

• Example to be analyzed

slide6
Concept mentioned

a category set representing a certain domain (instance of many classes are allowed)

K E Y W O R D S

Class

relation between subject resource and object resource

properties

subclass

inheritance the father-class

inheritance properties from super-property

subproperty

domain

a set which subject resource must belong to

range

a set which object resource must belong to

super-class of all classes

rdfd:Resource

all class is the instance of rdfs:Class

rdfs:Class

slide7
Concept mentioned

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 .

slide8
Tutorial Outline

• The idea and macroscopic view

• Concept mentioned

• Specific Syntax in used

• Example to be analyzed

slide9
Describe Classes

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)

slide10
Describe Properties

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

slide11
Describe Properties

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)

slide12
Tutorial Outline

• The idea and macroscopic view

• Concept mentioned

• Specific Syntax in used

• Example to be analyzed

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