fao 1/70 semantic technologies at fao international society for knowledge organization (isko) 3...
TRANSCRIPT
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FAO 1/70
http://www.fao.org/aims/
Semantic Technologies at FAO
International Society for Knowledge Organization (ISKO)3 Aprile 2009, Torino
Margherita Sini
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FAO 2/70
http://www.fao.org/aims/
Few words about myself
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FAO 3/70
http://www.fao.org/aims/
Just a very rapid introduction• What?
– semantic, semantic web, semantic technologies– ontologies, Knowledge Organization Systems, – metadata
• Why?– interoperability, exchange, share– user orientation, precision and recall– multilinguality, cultural views, context
• Who?– everybody, all domains, all countries, all .org
• Which instruments?– experts, NLP, methodologies and techniques
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FAO 4/70
http://www.fao.org/aims/
Outline• Semantic projects involving FAO
– AOS– IPFSAPH, FNA, CWR, Fisheries, Food &
nutrition, Geopolitical ontology, AGROVOC Concept Server
– Thai Rice Onto, Agropedia Indica• Conclusions
– ontology-based applications– Collaborations– Take home messages
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FAO 5/70
http://www.fao.org/aims/
Semantic projects involving FAO
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FAO 6/70
http://www.fao.org/aims/
Why AOS
vessel? craft? boat?
bateaux?barco?
ship or
container
Terminology brokering
Semantic navigation,Clustering, Ranking, ...
Intelligent queryexpansion
InferencingReasoning
Machine learning
Interoperability
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FAO 7/70
http://www.fao.org/aims/
• Built from AGROVOC • Domain concepts• Categories
AGROVOCConcept Server
Agricultural Ontology Service• An FAO initiative for
more coherence in Agricultural Information Systems
• Need of a semantic approach• AOS elements:
– AGROVOC Concept Server
– KOS registry
– Mapping registries
– Metadata standards
– Tools
– Publications (guidelines, ...)
Ontology registry
Sub-domainontologies
Metadataontologies
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FAO 8/70
http://www.fao.org/aims/
IPFSAPH
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FAO 9/70
http://www.fao.org/aims/
IPFSAPH
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FAO 10/70
http://www.fao.org/aims/
The Ontology
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FAO 11/70
http://www.fao.org/aims/
Creation of the core ontology
1600 concepts
Information Resources•Brainstorming•Codex Alimentarius•SPS Agreement Ontology
Ontology Editor(OI-Modeler)
subject specialists
Agrovoc
Food SafetyDocuments
GenericDocuments
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FAO 12/70
http://www.fao.org/aims/
Concept Search
The same records will be retrieved regardless of the specific synonyms or singular/plural forms that the user uses to refer to a concept.
Related concepts
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FAO 13/70
http://www.fao.org/aims/
Multilinguality
The system is also able to understand a concept even when different languages are used.
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FAO 14/70
http://www.fao.org/aims/
Check spelling
Spelling errors are corrected: e.g. “desease” into “disease”
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FAO 15/70
http://www.fao.org/aims/
Paraphrasing
“mad cow disease symptoms” or
“clinical signs of bovine spongiform encephalopathy”
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FAO 16/70
http://www.fao.org/aims/
give the same results, which are ranked.
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FAO 17/70
http://www.fao.org/aims/
Semantic navigation of the bibliographical metadata (1)
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FAO 18/70
http://www.fao.org/aims/
Semantic navigation of the bibliographical metadata (2)
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FAO 19/70
http://www.fao.org/aims/
Semantic Navigation of Knowledge
parent concept(s)
children concept(s)
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FAO 20/70
http://www.fao.org/aims/
FNA
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FAO 21/70
http://www.fao.org/aims/
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FAO 22/70
http://www.fao.org/aims/
Creation of the core ontology
BIBLIOGRAPHICDATABASE
CORPORATEDOCUMENT
REPOSITORYDATABASE
MERGERECORDS
+TRANSFORM
TO RDFS
Ontology Editor(OI-Modeler) maintain
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FAO 23/70
http://www.fao.org/aims/
Ontology Relationships
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FAO 24/70
http://www.fao.org/aims/
The ontology concepts
• Publication
• Issue
• Work• Article
• Subject Term
• Category
• Author
• Region
• Language
• Year
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FAO 25/70
http://www.fao.org/aims/
The ontology instances
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FAO 26/70
http://www.fao.org/aims/
Features• Multilingual concept resolution
• Get suggestions for the navigation(e.g. synonyms)
• Guided query formulation
• Easy navigation of the objects by following the semantic links
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FAO 27/70
http://www.fao.org/aims/
RDFa
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FAO 28/70
http://www.fao.org/aims/
CWR
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FAO 29/70
http://www.fao.org/aims/
Hierarchy
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FAO 30/70
http://www.fao.org/aims/
• Undertaken by FAO with partners• Developed in harmony with CWR descriptor list• First version (English only) available by
December 2006• About 800 core terms + acronyms + spelling
variants;• Clearly definition of concepts (AGROVOC +
other sources); and• Relationships: hierarchical + causative
The project
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FAO 31/70
http://www.fao.org/aims/
More semantics
Term: wild plants
subclass of plants superclass of crop wild relatives
adapted by domestication benefits from resource conservation
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FAO 32/70
http://www.fao.org/aims/
Properties (1/2)
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FAO 33/70
http://www.fao.org/aims/
Properties (2/2)
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FAO 34/70
http://www.fao.org/aims/
Overall Solution (1/2)
Value-added information
services
Shared layer of
interoperability
Distributed Datasets
dataset1
dataset2
Common exchange layer (Vocabularies,Ontologies, RDF/XML)
datasetn
Aggregated Database
View
Subject specific Portals
…
Information
System (n)
News feed
service…
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FAO 35/70
http://www.fao.org/aims/
Overall Solution (2/2)
Data
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FAO 36/70
http://www.fao.org/aims/
Fisheries
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FAO 37/70
http://www.fao.org/aims/
• The initial goal Making information interchangeable between ASFA, FIGIS, OneFish and
AGROVOC
• The approach Creating an ontology, integrating or mapping the 3 different systems +
AGROVOC Linking of the Ontology through wrappers to the different Information
Systems
• Evolution: NeOn
Fisheries Ontologies
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FAO 39/70
http://www.fao.org/aims/
Fisheries Ontologies (2/2)OneFish
FIGIS
AGROVOC
Aquaculture
BrackishwaterAquaculture
MarineAquaculture
AquacultureDevelopment
AquacultureFacilities
BROADERTERM
BROADERTERM
RELATEDTERM
RELATEDTERM
FreshwaterAquaculture
AquacultureEconomics
AquacultureEngineering
BROADERTERM
RELATEDTERM
RELATEDTERM
Aquaculture Resource
Water Area
land
strainsSpecieslife cycle
Farming system
management system
Production center
Spawning technique
Breeding technique
Hatchery technique
Expl. form
Regulation
Farming
technique
Environment
Institution
Health monitoring technique
diseases
suppliers
ASFA
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FAO 40/70
http://www.fao.org/aims/
Features1. Form versus meaning:
a) Traditional Searchb) Concept Search
2. Implemented functionalities:a) synonym searchb) multilingual capabilityc) terminology brokeringd) disambiguatione) related conceptsf) query expansion
3. Basic natural language queries
4. Semantic navigation of bibliographical metadata
5. Semantic Navigation of Knowledgea) Alphabetic list ...b) Core Fishery
Concepts ...
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FAO 41/70
http://www.fao.org/aims/
Ontology properties|Fishing Grounds@ag| PARTICIPANT-IN |Fishing Operations@ag||Sponges@ag| PARTICIPANT-IN |Sponge Fisheries@ag||Pearls@ag| PARTICIPANT-IN |Pearl Culture@ag||Pearls@ag| PARTICIPANT-IN |Pearl Fisheries@ag||Silk@ag| PARTICIPANT-IN |Sericulture@ag||Small Enterprises@ag| PARTICIPANT-IN |Artisanal Fisheries@ag||Dairy Farms@ag| PARTICIPANT-IN |Milk Production@ag||Fish Farms@ag| PARTICIPANT-IN |Aquaculture@ag||Fish Farms@ag| PARTICIPANT-IN |Fish Feeding@ag||Fish Farms@ag| PARTICIPANT-IN |Fisheries@ag||Natural Resources@ag| PARTICIPANT-IN |Resource Conservation@ag|
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FAO 42/70
http://www.fao.org/aims/
Example• "tell me what vessels from a nearby country are
currently in the marine area 50N060W within Atlantic Ocean, provided that also some Thunnus alalunga stock can be fished by those vessels, through allowed techniques"
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FAO 43/70
http://www.fao.org/aims/
Using multilingual lexicalizations ENGLISH
SPANISH
FRENCH
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FAO 44/70
http://www.fao.org/aims/
Using hierarchically related concepts
hierarchically related concept
Polyvalent Trawlers
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FAO 45/70
http://www.fao.org/aims/
Using non-hierarchically related concepts
non-hierarchically related concept
gears
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FAO 46/70
http://www.fao.org/aims/
Help the user formulate queries
Original query: bateau de pêcheTo refine your query, click on the concepts you are interested in. They will appear to the left.
Search:
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FAO 47/70
http://www.fao.org/aims/
Reconcile different vocabularies
“navire de pêche”, “fishing
vessel”, “embarcaciones
de pesca”
AGROVOC or ASFA or
other“fishing vessels,”
“fishing boat,”
AGROVOC: “fishing vessels”, “barco”, etc...ASFA: “fishing
vessels”
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FAO 48/70
http://www.fao.org/aims/
Semantic Navigation of Knowledge: Thesaurus based
Highlighting the originator thesaurus. User can select a specific thesaurus to look for.
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FAO 49/70
http://www.fao.org/aims/
Geopolitical ontology
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FAO 50/70
http://www.fao.org/aims/
Geopolitical ontology• Incorporate geopolitical data
• Will serve as a bridge to allow communication between the various systems.
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FAO 51/70
http://www.fao.org/aims/
PropertiesisValidFrom
hasOfficialName
hasCode
isSuccessorOf
hasBorderWith
dependsOn
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FAO 52/70
http://www.fao.org/aims/
Nutrition Ontology
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FAO 53/70
http://www.fao.org/aims/
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FAO 54/70
http://www.fao.org/aims/
Procedure
=CONCATENATE("<owl:Class rdf:ID=""",J2,"""><rdfs:subClassOf><owl:Class rdf:ID=""c_",B2,"""/></rdfs:subClassOf><rdfs:label xml:lang=""en""><![CDATA[",D2,"]]></rdfs:label><code><![CDATA[",J2,"]]></code><TAGNAME><![CDATA[",J2,"]]></TAGNAME>",S2, T2,"</owl:Class>")
<?xml version="1.0"?><rdf:RDF xmlns="http://www.fao.org/aos/infoods#" xmlns:protege="http://protege.stanford.edu/plugins/owl/protege#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:xsd="http://www.w3.org/2001/XMLSchema#" xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#" xmlns:owl="http://www.w3.org/2002/07/owl#" xmlns:daml="http://www.daml.org/2001/03/daml+oil#" xmlns:dc="http://purl.org/dc/elements/1.1/" xml:base="http://www.fao.org/aos/infoods"> <owl:Ontology rdf:about=""> <owl:imports rdf:resource="http://protege.stanford.edu/plugins/owl/protege"/> <owl:versionInfo rdf:datatype="http://www.w3.org/2001/XMLSchema#string" >Revision 4.0</owl:versionInfo> <protege:defaultLanguage rdf:datatype="http://www.w3.org/2001/XMLSchema#string" >en</protege:defaultLanguage> <rdfs:comment rdf:datatype="http://www.w3.org/2001/XMLSchema#string" >International Network of Food Data Systems (INFOODS) was established in 1984 on the basis of the recommendations of an international group convened under the auspices of the United Nations University (UNU). Its goal was to .....</rdfs:comment> </owl:Ontology> <owl:Class rdf:ID="c_0413"> <code rdf:datatype="http://www.w3.org/2001/XMLSchema#string" >0413</code> <rdfs:subClassOf> <owl:Class rdf:ID="c_041"/> </rdfs:subClassOf> <rdfs:label xml:lang="en">Vitamin D</rdfs:label> </owl:Class>
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FAO 55/70
http://www.fao.org/aims/
AGROVOC
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FAO 56/70
http://www.fao.org/aims/
TerminologyWorkbench
AGROVOCOWL
AOS Core: the Concept Server
Export
AGROVOCRDFS formats
(e.g. SKOS)and
TagTextISO2709
Other thesauriand
terminologies
integration
ABACA NT1 Food NT2 AppleANIMAL BT Organ NT ....
mapping
Other thesauri & terminologies
ABACA NT1 Food NT2 AppleANIMAL BT Organ NT ....
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FAO 57/70
http://www.fao.org/aims/
Concept Server project• Refine semantics and enrich data pool and
lexicon
• Develop a workbench for terminology and ontology development and maintenance.
• Support information management specialists in the development, maintenance, and quality assurance of the AOS/CS
• Global knowledge vs local knowledge
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FAO 58/70
http://www.fao.org/aims/
AGROVOC Concept Server• AGROVOC cleaning and refinement
CurrentAGROVOC
MySQL
ImprovedAGROVOC
MySQL
AGROVOC OWLRevision
andRefinement
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FAO 59/70
http://www.fao.org/aims/
Modelling– Conversion to UTF-8– Migration to MySQL (from SQL server)– Migration to PostgreSQL (from MySQL)– Incorporated AGRIS/CARIS classification scheme
(multilingual) and the mapping with AGROVOC keywords
– Modified structure to store multiple classification schemes
– Revised RDBMS scheme for ontology representation– Designed OWL models– Export to OWL format (v0.8a)– Export to SKOS format (v0.8a)
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FAO 60/70
http://www.fao.org/aims/
Methods• Concepts from
descriptors• Synonym
<owl:DatatypeProperty rdf:ID="synonym">
• Acronyms <owl:AnnotationProperty rdf:about="http://www.fao.org/aos/agrovoc/2005#acronym">
<owl:Class rdf:about=" http://www.fao.org/aos/agrovoc/2005#c_3"> <rdfs:label xml:lang="en">ABA</rdfs:label> <rdfs:label xml:lang="fr">ABA</rdfs:label> <rdfs:label xml:lang="es">ABA</rdfs:label> <rdfs:label xml:lang="ar">آبا</rdfs:label> <rdfs:label xml:lang="zh">脱è½é…¸</rdfs:label>� <synonym xml:lang="en">[8565] Abscisic acid</synonym> <rdfs:subClassOf rdf:resource=" http://www.fao.org/aos/agrovoc/2005#c_3397"/> <rdfs:subClassOf rdf:resource=" http://www.fao.org/aos/agrovoc/2005#c_32543"/></owl:Class>
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FAO 61/70
http://www.fao.org/aims/
SKOS• SKOS export from AGROVOC Concept Server
Workbench (WB)
• SKOS web services– SKOS-services for DSpace plug-in
• SKOS for mapping projects
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FAO 62/70
http://www.fao.org/aims/
AGROVOC CSWorkbench
triple store
SKOS
export
maintain
WebServices
access
access response
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FAO 63/70
http://www.fao.org/aims/
Ontology models (AGROVOC Concept Server, LIR, ...)
Concept
Relationshipsbetweenconcepts
Lexicalization/Term
String
Relationshipsbetweenstrings
Relationshipsbetweenterms
designated by
manifested asOther information:language/culture
subvocabulary/scopeaudiencetype, etc.
Note
annotation relationship
Relationship
RelationshipsbetweenRelationships
All terms are created as instances of the class o_terms. All at the same level. Only one language per term.
term level
string level
concept level
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FAO 64/70
http://www.fao.org/aims/
Agropedia Indica
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FAO 65/70
http://www.fao.org/aims/
References• http://www.slideshare.net/marghe_rita/1-pantnag
ar
• http://www.slideshare.net/marghe_rita/2-pantnagar-w-guidelines
• http://www.slideshare.net/marghe_rita/3-pantnagar-w-exercices
• http://agropedia.iitk.ac.in/
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FAO 66/70
http://www.fao.org/aims/
Conclusions
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FAO 67/70
http://www.fao.org/aims/
Ontology-based applications• Better exploitation of the potentiality at the
application level: powerful IR
• No more words but URIs in IS
• Networked Ontologies
• Ontology Web services (OWS)
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FAO 68/70
http://www.fao.org/aims/
Collaborations• With AOS partners• Within EU Projects
– NeOn
– SEMIC.EU
• With other initiatives– GFIS
– Ecoterm
• Mapping projects• GBIF Global Biodiversity Information Facility secretariat• JRC + BGS + Biblioteca Nazionale di Firenze
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FAO 69/70
http://www.fao.org/aims/
Take-home message
• There are many uses for terminology & ontology systems in food and agriculture, both for information access and information processing
• FAO has several projects using such systems• FAO is deploying the
Agricultural Ontology Server (AOS)as a global resource
• SKOS and other knowledge representation standards play a key role
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FAO 70/70
http://www.fao.org/aims/
Questions?
Thanks
Margherita Sini: [email protected] Keizer: [email protected]
Dagobert Soergel: [email protected] Kawtrakul: [email protected]
But Also: Gudrun Johannsen, Boris Lauser, Claudio Baldassarre, Gauri Salokhe, Marta Iglesias, Caterina Caracciolo, Sachit
Rajbhandari, Jeetendra Singh, Mary Redahan, Shrestha, Prashanta, Ton, Imm, Thanapth, Trakul, and many others...