Tracing Networks: Ontology Software in a Nutshell

Tracing Networks Yi Hong Department of Computer Science University of Leicester Introduction to ontology-based database and software application

Semantic Web ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Tracing Networks programme

Ontology ,[object Object],[object Object],[object Object],Domain ontology e.g. (CIDOC-CRM for archaeology, Gene, GXO for Genetics) Ontology Concepts Specified by Describes Modelled by Domain

Relational database vs Ontology-based database ,[object Object],(provided by Katharina) Example : Image tagging and search for human representation database

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],etc. ……… . (60+ attributes) Data Relational database vs Ontology-based database

Relational database vs Ontology-based database Database schema Entity-relationship diagram Relational database (MS Access 2007) tables, fields (columns) Data Data primary-foreign key pairs

Relational vs Ontology-based database MySQL, Oracle, SQL Server, MS Access etc Jena SDB, virtuoso universal server, RDF/OWL document Database Schema (table, field, key) Ontology (class, property, individual) records triples (RDF graph) Data Structure Basic elements Database products Data storage Relational Database Ontology-based Database (Triple store)

Ontology ,[object Object],[object Object],[object Object],[object Object]

Ontology ,[object Object],[object Object],[object Object]

Ontology RDF Graph A set of triples become a graph An ontology-based database is a graph

Relational database vs Ontology-based database (Protégé Ontology Editor) http://protege.stanford.edu/

Relational vs Ontology-based database SQL generate query Database Query language SPARQL generate query Query Interface Text-based keywords+ options Graph pattern Search Relational Database Ontology-based Database (Triple store)

Why use ontology? ,[object Object],[object Object],[object Object],Tags: cat , mouse,

Why use ontology? ,[object Object],[object Object],[object Object],Tags: cat , mouse, chase? Who is chasing who?

Why use ontology? ,[object Object],[object Object],[object Object],Query: “ Display images with an animal and a person on them, along with what is happening between them" rider horse

Why use ontology? ,[object Object],[object Object],[object Object],definitely a horse! probably a fox ? Domain-specific expertise index = E(d) Degree of uncertainty = CF horse Tagged area 95% Is a

Query results visualisation - Geo-mapping ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Query results visualisation - Statistical charts ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ontology-based software demo Semantic tagging Query by graph pattern Integration with Google earth Statistical charts

Links ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Tracing Networks: Ontology Software in a Nutshell

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Tracing Networks: Ontology Software in a Nutshell