Agricultural Ontology Web Services Striving for more interoperability in agricultural information management OASIS Symposium May 2006 Boris Lauser Food and Agriculture Organization of the United Nations (FAO), Rome, Italy
Overview FAO and its role Introduction to AGROVOC thesaurus Present situation and problems AGROVOC web services AOS and AOS Concept Server Outlook: AOS/CS web services AGROVOC thesaurusPresent SituationAGROVOC web servicesAOSAgricultural ontology web services
The role of the Food and Agriculture Organization (FAO) The First Article of the FAO Constitution: “The Organization shall collect, analyse, interpret and disseminate information relating to nutrition, food and agriculture.” WAICENT: World Agricultural Information Centre Knowledge Management Information Dissemination Collaboration with internal/external stakeholders Promotion of Agricultural Information Management Standards (AIMS) (bibliographical databases, use of metadata and knowledge organization systems (KOS) like thesauri, ontologies, etc.) AGROVOC thesaurusPresent SituationAGROVOC web servicesAOSAgricultural ontology web services
What is AGROVOC? Multilingual Thesaurus; Structured vocabulary to cover terminology in agriculture, fisheries, forestry, food and related domains; Currently available in 14 languages; about terms Available online at AGROVOC thesaurus Present SituationAGROVOC web servicesAOSAgricultural ontology web services
Use of AGROVOC: Metadata from controlled vocabularies AGROVOC thesaurus Present SituationAGROVOC web servicesAOSAgricultural ontology web services
Present Situation AGROVOC thesaurus relational database master copy local copy AGRIS center Thailand local copy AGRIS center Venezuela local copy AGRIS center Ukraine WebAGRIS input system local copy x local copy y local copy z local thesaurus browser z..... AGROVOC thesaurus Present Situation AGROVOC web servicesAOSAgricultural ontology web services
Problem request to add new term “ Avian Flu ” new term and relationships added local copy AGRIS center Vietnam local copy AGRIS center Y local copy AGRIS center Z Outdated! need to create an updated export and resubmit the physical database to each AGROVOC user AGROVOC thesaurus Present Situation AGROVOC web servicesAOSAgricultural ontology web services
Summary of Problems Local databases are frequently outdated (AGROVOC updated 3-monthly); Overhead for FAO to export and send new copies with every update / new request; Local applications need to be customized to AGROVOC’s specific database structure; A new interface needs to be implemented on the local application level for each other thesaurus to be used. AGROVOC thesaurus Present Situation AGROVOC web servicesAOSAgricultural ontology web services
The solution: web services AGROVOCweb servicesinterface update 1update x... java web services interface SOAP WSDL local application x local application y..... AGROVOCweb servicesinterface SOAP WSDL AGROVOC thesaurusPresent Situation AGROVOC web services AOSAgricultural ontology web services
AGROVOC web service Web service with 6 simple operations: getTermcodeByTerm getTermByLanguage getAllLabelsByTermcode searchByTerm getConceptByTerm getDefinitions sufficient for the most important thesaurus information AGROVOC thesaurusPresent Situation AGROVOC web services AOSAgricultural ontology web services
AGROVOC web services implementation using standard technologies Eclipse Web Tools Platform SOAP WSDL Apache Tomcat AGROVOC thesaurusPresent Situation AGROVOC web services AOSAgricultural ontology web services
OWL Web Ontology Language Agricultural Ontology Service (AOS) Elevate terminology services to the semantic web; Transform AGROVOC thesaurus to AOS Concept Server; Move from proprietary relational databases to standard formats. AGROVOC thesaurusPresent SituationAGROVOC web services AOS Agricultural ontology web services
Agricultural Ontology Web Services Outlook on possible future web services: Retrieval of standard OWL representation of terminology; Retrieval of semantically richer concepts; Retrieval of semantically richer relationships; Retrieval of more lexical information (synonyms, acronyms, spelling variants...); Automatic translation services; Automatic text classification services; Mapping services to other standard terminology systems. AGROVOC thesaurusPresent SituationAGROVOC web servicesAOS Agricultural ontology web services
References Agricultural Information Management Standards AGROVOC Web Services AGROVOC thesaurusPresent SituationAGROVOC web servicesAOSAgricultural ontology web services
Thanks for your attention