1. Food and Agriculture Organization of the UN GILW Library and Documentation Systems Division 10-06-2004 Food, Nutrition and Agriculture Ontology Portal Presentation Semantic Web technologies FAO June 2004 Ontology Portal for the Food, Nutrition and Agriculture Journal FAO, 10 June 2004

2. Food and Agriculture Organization of the UN GILW Library and Documentation Systems Division 10-06-2004 Food, Nutrition and Agriculture Ontology Portal Presentation Semantic Web technologies FAO June 2004 Outline What’s behind the portal What are semantic technologies What’s possible to do...

3. Food and Agriculture Organization of the UN GILW Library and Documentation Systems Division 10-06-2004 Food, Nutrition and Agriculture Ontology Portal Presentation Semantic Web technologies FAO June 2004 What’s behind the portal...

4. Food and Agriculture Organization of the UN GILW Library and Documentation Systems Division 10-06-2004 Food, Nutrition and Agriculture Ontology Portal Presentation Semantic Web technologies FAO June 2004 The ontology is composed of: concepts relationships between concepts instances A bibliographical metadata ontology FAOBIBDOCREP Merging + Transform

5. Food and Agriculture Organization of the UN GILW Library and Documentation Systems Division 10-06-2004 Food, Nutrition and Agriculture Ontology Portal Presentation Semantic Web technologies FAO June 2004 What are semantic technologies

6. Food and Agriculture Organization of the UN GILW Library and Documentation Systems Division 10-06-2004 Food, Nutrition and Agriculture Ontology Portal Presentation Semantic Web technologies FAO June 2004 Semantic technologies Intend to give meaning to web content and make use of it. –Information is formalized in order to eliminate ambiguities –Information is unambiguously defined for machine- processing Semantic technologies include tools, processing, and techniques (e.g. natural language processing, etc.) Ontologies –Knowledge representation and organization –Concepts are uniquely defined in terms of constraints and the surrounding context, realised with multiple lexicalisations (synonyms, translations, etc.) –Capability of performing reasoning or making inferences

7. Food and Agriculture Organization of the UN GILW Library and Documentation Systems Division 10-06-2004 Food, Nutrition and Agriculture Ontology Portal Presentation Semantic Web technologies FAO June 2004 What’s possible to do...

8. Food and Agriculture Organization of the UN GILW Library and Documentation Systems Division 10-06-2004 Food, Nutrition and Agriculture Ontology Portal Presentation Semantic Web technologies FAO June 2004 What is possible to do (1) Easy navigation of the objects by following the semantic links Multilingual concept resolution

9. Food and Agriculture Organization of the UN GILW Library and Documentation Systems Division 10-06-2004 Food, Nutrition and Agriculture Ontology Portal Presentation Semantic Web technologies FAO June 2004 What is possible to do (2) Get suggestions for the navigation (e.g. synonyms) : DEMO

10. Food and Agriculture Organization of the UN GILW Library and Documentation Systems Division 10-06-2004 Food, Nutrition and Agriculture Ontology Portal Presentation Semantic Web technologies FAO June 2004 What is possible to do (3) Guided query formulation DEMO

11. Food and Agriculture Organization of the UN GILW Library and Documentation Systems Division 10-06-2004 Food, Nutrition and Agriculture Ontology Portal Presentation Semantic Web technologies FAO June 2004 What is possible to do (4) Improve browsing: –e.g. continent / regions / countries –e.g. link Agris/Caris categories with keywords Perform some inferencing: –get the authors associated with specific keywords or vice versa (“what an author wrote about between two years”, “who wrote about famine in 1999”, etc.)

12. Food and Agriculture Organization of the UN GILW Library and Documentation Systems Division 10-06-2004 Food, Nutrition and Agriculture Ontology Portal Presentation Semantic Web technologies FAO June 2004 What is possible to do (5) Perform some inferencing: –get the co-authors –show articles with the same set or related keywords

13. Food and Agriculture Organization of the UN GILW Library and Documentation Systems Division 10-06-2004 Food, Nutrition and Agriculture Ontology Portal Presentation Semantic Web technologies FAO June 2004 What is possible to do (6) Improve searching: –concept identification through natural language processing: spell checking, parsing ( e.g. “Dietary guidelines for human nutrition” or “Anaemia in children ”)

14. Food and Agriculture Organization of the UN GILW Library and Documentation Systems Division 10-06-2004 Food, Nutrition and Agriculture Ontology Portal Presentation Semantic Web technologies FAO June 2004 What else...... and lots more. Thanks!