1. Online Laptop Shop through Semantic Webby
Moein Mehrolhassani

2. Outline Introduction Implementation Query in Protégé 3.2 Conclusion
References
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3. Introduction Semantic Web Extension of the current web
Enabling computers and people to work in cooperation
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4. Introduction (cont..) Ontology languages to develop SW: RDF/XML RDFS
OWL
OWL Lite
OWL DL
OWL Full
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5. Introduction (cont..) On-Line Laptop Shop through SW The Scenario
Information about laptops embedded in web
Customer will search for specific configuration
Query based on user search
Retrieve information
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6. Implementation Creating the ontology
Classes
Subclasses
Properties
Creating Instances and individuals
Performing Queries
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7. Implementation (cont..)
Development tools
Protégé 3.2
To create and edite ontology
Classes, relationships, properties, restrictions
TGViz, OntoViz and OWLViz plug-ins
For graphical representation
Algernon API and QUERIES Tab
To perform queries
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8. Implementation (cont..)
Ontology
Ontology Graph
OWL Ontology Graph
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9. Implementation (cont..)
Ontology
Classes
Class Relations
Object Properties
Datatype Properties
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10. Implementation (cont..)
Ontology
Individuals/Instances
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11. Query in Protégé To approaches to perform query Queries Tab
Algernon plug-in
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12. Query in Protégé
Queries Tab
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13. Query in Protégé
Algernon plug-in
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14. Query in Protégé
Algernon plug-in
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15. Query in Protégé
Algernon plug-in
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16. Conclusion Data: Query Current WEB: Semantic WEB:
Data bases,…
Huge DB size
Semantic WEB:
Embedded in pages
Less size
Query
Semantic Web performance is better (information are embedded)
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17. References [1] http://protege.stanford.edu
[2] Lee W. Lacy “OWL: Representing Information Using the Web Ontology Languare”, 2005.
[3]
[4]
[5]
[6]
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18. Thank you!!
Questions?
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