OWL-XML-Summer-School-09

Ontologies, OWL and Prot égé Duncan Hull The University of Manchester, UK http://www. manchester .ac. uk Semantic Technologies Tuesday 22nd September 2009

Learning Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object],Short summary of the class

Course Contents ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Where I’m coming from… ,[object Object],[object Object],[object Object],[object Object],Tamiflu ChEBI:7799 http://www.sbml.org It’s all John’s fault!

Why would you want to use OWL?

Why? ,[object Object],Image via http://www.flickr.com/photos/dullhunk/639163558/

Why would you bother doing that? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why? No. 1 Semantic Integration ,[object Object],[object Object],[object Object],stuff

Why? The Web is Agreement ,[object Object],[object Object],[object Object],Paul Downey

Why? No. 2 Better search ,[object Object],[object Object],[object Object],[object Object],[object Object],Usually impossible to do using the syntactic web search, need semantic search Image via http://en.wikipedia.org/wiki/File:Tyto_alba_close_up.jpg

Why? No. 3 A.I. ,[object Object],[object Object],[object Object]

Why? no. 3: A.I. ,[object Object],[object Object],[object Object],HAL 9000 Semantic Web? I'm sorry, Dave. I'm afraid I can't do that.

Why? no. 4: Some examples: ,[object Object],[object Object],[object Object]

Why? no. 4. Some examples ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why? 4. More examples ,[object Object],[object Object],[object Object],[object Object],[object Object]

Why no.5 : Standardisation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why? Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],“ Biology is just naming things”

What is an OWL ontology? ,[object Object],[object Object]

What? Pizza ontology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Pizza from http://www.flickr.com/photos/roadsidepictures/1544645159/

Pizza Margherita Pizza Vegetarian Pizza Spicy Beef Pizza What? A simple pizza ontology hasTopping (Object property) hasBase (Object property) subclassOf Pizza (A class in asserted hierarchy) Pizza Topping Vegetable topping Tomato topping Mozzarella topping Cheese topping Pizza_base Deep dish base Regular base

What? Object properties ,[object Object],[object Object],[object Object],[object Object]

What? Object properties ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What? Structure of ontology ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What? Logic and Reasoning ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What? OWL Subsumption ,[object Object],[object Object],[object Object],[object Object]

What? OWL equivalence ,[object Object],[object Object],[object Object]

What? OWL Consistency ,[object Object],[object Object],[object Object],[object Object]

What? OWL instantiation ,[object Object],[object Object],[object Object]

Where does OWL fit with related technology?

Where does OWL fit? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Where does OWL fit? ,[object Object],Unicode + URIs + namespaces RDF/XML OWL/XML e.t.c. OWL 2.0 explicit semantics syntaxes OWL builds on top of standards you already know or have just learned about at the XML summer school SPARQL-DL To be done SPARQL Previous tutorial

Where? Relational databases ,[object Object],[object Object],[object Object],[object Object],[object Object]

Where? Open World ,[object Object],[object Object],In a social networking website, missing information (who all your friends are) is often treated as false: e.g. “ You have NO friends ” (loser!) This is a subtle but important distinction On http://network.nature.com/people/duncan

Where? Rejecting updates ,[object Object],[object Object]

Where? Query answering ,[object Object],Pizza from http://www.flickr.com/photos/roadsidepictures/1544645159/ Is any Pizza that hasTopping Cheese necessarily a CheeseyPizza?

Where? OWL and Linked Data ,[object Object],[object Object],[object Object],[object Object],Returning to the linked data session… http://www.co-ode.org/ontologies/pizza/ for an example of owl and linked data

Who? ,[object Object],[object Object],[object Object],http://web.comlab.ox.ac.uk/ian.horrocks/ http://sciencecommons.org/about/whoweare/ruttenberg/ Ian Horrocks, The University of Oxford Alan Ruttenberg, Science Commons

Who? ,[object Object],[object Object],[object Object],[object Object]

When? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

When? ,[object Object],CC picture from http://en.wikipedia.org/wiki/File:Sanzio_01_Plato_Aristotle.jpg A Aristotle Οντολογία ,[object Object],[object Object],[object Object],[object Object],[object Object]

How? Protégé ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Mark Musen Alan Rector

How? Hands-on tutorial ,[object Object],[object Object]

Acknowledgements ,[object Object],[object Object],[object Object],[object Object]

Any questions? Thank you for your attention

How? Protégé tutorial ex. 2 ,[object Object],[object Object],[object Object],[object Object],[object Object]

How? Protégé tutorial, ex. 2 cont. ,[object Object],[object Object],[object Object],[object Object],[object Object]

How? Protégé tutorial ex. 2 cont. ,[object Object],[object Object],[object Object],[object Object],[object Object]

How? Protégé tutorial ex. 4 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How? Protégé ex. 4 continued ,[object Object],[object Object],[object Object],[object Object]

References ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

OWL-XML-Summer-School-09

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