2010 04 iaald-agrovoc_keizer-et-al
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2010 04 iaald-agrovoc_keizer-et-al 2010 04 iaald-agrovoc_keizer-et-al Presentation Transcript

  • Montpellier 25-29 April 2010 The AGROVOC Concept Server Workbench System: Empowering management of agricultural vocabularies with semantics IAALD World Congress Margherita SINI1, Sachit RAJBHANDARI1, Maziar AMIRHOSSEINI2, Gudrun JOHANNSEN1,Ahsan MORSHED1, Johannes KEIZER1, 1FAOof the UN, Italy; 2The faculty of Information Science and Technology, Universiti Kebangsaan, Malaysia dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 Do we need AGROVOC? IAALD World Congress Yes! And Why: dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 The Linked Data Universe: http://www.linkeddata.com IAALD World Congress dr johannes keizer - FAO of the United Nations - knowledge and capacity for development 3 View slide
  • Montpellier 25-29 April 2010 RDF as a common format for merging data IAALD World Congress •http://www.w3.org/2007/Talks/0221-Bangalore-IH/ dr johannes keizer - FAO of the United Nations - knowledge and capacity for development View slide
  • Montpellier 25-29 April 2010 Finding things related to “genes” across databases IAALD World Congress Source: Joanne Luciano, Mitre, and the W3C HCLS IG dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 AgroTagger • Name/Identy determination in unstructured texts • Using Agrovoc as a controlled vocabulary • Structured RDF files that can be used to link data IAALD World Congress • Developed by IIT Kanpur for AgroPedia Indica • Prototype under testing with excellent results dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 http://agropedia.iitk.ac.in/auto_tagger/callable_auto_tagger.php IAALD World Congress dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 AGROVOC: From a traditional thesaurus to an Agricultural Concept Scheme IAALD World Congress A long and Winding Road dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 ..from thesaurus to Ontologies…. IAALD World Congress dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 AGROVOC since 2004 • We wanted to make a semantic web tool from AGROVOC • There was no standard model outside, we were on our own We discussed three years the model to IAALD World Congress • which we wanted to convert AGROVOC ……but in the meantime AGROVOC was used and translated into 20 languages dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 Semantic Relationships Concept to isA (hierarchy), isPestOf, hasPest Concept Concept to has_lexicalization Term (links concepts to their lexical IAALD World Congress realizations) Term to isSynonymOf, isTranslationOf, Term hasAcronym, hasAbbreviation Term to hasSpellingVariant, hasSingular String dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 The AGROVOC OWL model IAALD World Congress dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 More semantics MAIZE MAIZE UF corn synonym corn NT flint maize superclass-of flint maize NT popcorn used-to-make popcorn NT sweet corn hybridized-into sweet corn MILK MILK NT Milk Fat ingredient Milk Fat IAALD World Congress NT Colostrum ingredient Colostrum NT Cow Milk superclass-of Cow Milk International Fund for International Fund for Agricultural Agricultural Development Development UF IFAD acronym IFAD dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 AGROVOC today  around 30,000 concepts  600000 labels in around 20 languages.  one-stop shop for terminological knowledge related to agriculture in general IAALD World Congress  a knowledge base of related concepts organized in ontological relationships (hierarchical, associative, equivalence)  Is a concept/term/string based system  Concepts may be organized in multiple categories. dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 Evaluation of the Process  The AGROVOC OWL model needs a revision  Ontological over commitment in many class/subclass hierarchies  Unnecessary complications through concept /term/string hierarchy  Our push of AGROVOC to the Semantic Web IAALD World Congress had enormous positive effects, among others  From 4 to 20 language versions  Defacto standard for indexing in many areas  More than 2000 downloads only in 2009  SKOS incorporated all our requirements dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 http://www.w3.org/2004/02/skos/ IAALD World Congress dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 The AGROVOC SKOS Model Agrovoc SKOS rdf:type Concept Concept Scheme Scheme skos:inScheme skos:topConceptOf 6211 rdf:type skos:broader 8171 rdf:type SKOS IAALD World Congress skos:broader rdf:type Concept 1474 rdf:type skos:broader 12332 “corn” skosxl:prefLabel skosxl:literalForm rdf:type :foo SKOS rdf:type skosxl:altLabel Label :bar skosxl:literalForm “maize” dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 The workbench  Is a web-based working environment for managing the AGROVOC Concept Server  Facilitate the collaborative editing of multilingual terminology and semantic concept information  It includes administration and group management IAALD World Congress features  It includes workflows for maintenance, validation and quality assurance of the data pool  The CS is accessible freely to everybody to facilitates collaborative editing dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 Architecture of the System IAALD World Congress dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 Concept/Term Management IAALD World Congress dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 Concept Relationship Can create the concept-concept relationship Inverse relationship is also created automatically • Ex: If we create A affect B, then B is affected by A relationship is also created IAALD World Congress dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 Concept Image Name of the image with description URL will point to the image which will open in an external IAALD World Congress Provide the source of the image Can add more translation in different language dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 Concept Definition Add definition to the selected concept Add translation in different languages Provide the source of the definition IAALD World Congress Creation and modified date are set automatically dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 Visualization of concepts and Relationships in the Workbench IAALD World Congress dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 AGROVOC Web Services IAALD World Congress dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 The road map • The AGROVOC concept scheme in it’s proprietary OWL model will be published on June 5, 2010 on version 1.0 of the concept server workbench • Within Summer 2010 a patch to version 1.0 of IAALD World Congress the workbench will make it possible to export AGROVOC SKOS • AGROVOC SKOS will be published as linked data. • With version 2.0 of the workbench SKOS will become the native format for AGROVOC dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 …and more IAALD World Congress dr johannes keizer - FAO of the United Nations - knowledge and capacity for development
  • Montpellier 25-29 April 2010 Thank You! IAALD World Congress dr johannes keizer - FAO of the United Nations - knowledge and capacity for development