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Ambiguities in representing thesauri using extended SKOS Examples from real life Jutta Lindenthal TPDL – 2012-09-27 – NKOS workshop.

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Presentation on theme: "Ambiguities in representing thesauri using extended SKOS Examples from real life Jutta Lindenthal TPDL – 2012-09-27 – NKOS workshop."— Presentation transcript:

1 Ambiguities in representing thesauri using extended SKOS Examples from real life Jutta Lindenthal TPDL – – NKOS workshop

2 Concept hierarchies hierarchical relationships between concepts vs. grouping concepts Node Labels and Top Terms node labels in the strict sense: denoting arrays of sibling concepts nodes representing concepts not used for indexing nodes representing classification-like elements not used for indexing top terms used to cluster concepts Groups classification-like structures, often called themes, fields, subject areas, subject categories, subject groups, micro-thesauri, sub-thesauri, and the like often used for systematic display and browsing Displays and user interfaces Presentation overview

3 Beauty is in the eye of the beholder... doctor grandam heart lung liver kidneystomach gut Pussy

4 Concept hierarchies

5 all mammals some HierarchicalRelationship (Generic) Concept hierarchy – All-and-some-test

6 all pets some HierarchicalRelationship (Generic) Concept hierarchy – All-and-some-test

7 all zoology some HierarchicalRelationship (Generic) Concept hierarchy – All-and-some-test

8 vertebrates animals all mammals some HierarchicalRelationship (Generic) Concept hierarchy – transitive closure transitive closure

9 Source: Art & Architecture ThesaurusArt & Architecture Thesaurus Concept hierarchy and thesaurus arrays a Generic Hierarchy cats. (cats by degree of domestication).. wild cats.. semi-feral cats.. domestic cats. (cats by usage).. laboratory cats.. pet cats ThesaurusArray array node label

10 ThesaurusArray and NodeLabel according to ISO iso-thes: ThesaurusArray (cats by degree of domestication) skos:member skos:narrower skos:member iso-thes: ThesaurusArray (cats by usage) skos:Concept domestic cats skos:narrower iso-thes:subordinateArray skos:Concept cats iso-thes:subordinateArray skos:member skos:narrower skos:Concept semi-feral cats skos:Concept wild cats skos:Concept laboratory cats skos:Concept pet cats

11 Source: Art & Architecture ThesaurusArt & Architecture Thesaurus Concept hierarchy and concept groups a Generic Hierarchy 25 Zoology 25.3 Spezific zoology Source: Gemeinsame NormdateiGemeinsame Normdatei ConceptGroup

12 Concept groups according to ISO Source: SWD-SachgruppenSWD-Sachgruppen...

13 Node Labels and Top Terms

14 Art & Architecture Thesaurus Guide Terms in the AAT Thesaurus (1)

15 Art & Architecture Thesaurus Guide Terms in the AAT Thesaurus (2) Source: Art & Architecture ThesaurusArt & Architecture Thesaurus

16 Guide Terms in the AAT Thesaurus (3) Source: Art & Architecture ThesaurusArt & Architecture Thesaurus

17 Thesaurus Ethics in the Life Sciences Node label in the Bioethic Thesaurus (1)

18 Thesaurus Ethics in the Life Sciences Node label in the Bioethic Thesaurus (2)

19 Art & Architecture Thesaurus Facets, Hierarchy Names and Guide Terms in the AAT Thesaurus Record Type facet hierarchy name guide term concept guide term concept guide term

20 ELSST European Language Social Science Thesaurus Top Terms in the ELSST Thesaurus

21 Groups

22 ... Systematics of the STW Thesaurus for Economics (1) Source: STW Thesaurus for EconomicsSTW Thesaurus for Economics

23 @base. a skos:Concept, zbwext:Thsys ; rdfs:isDefinedBy ; rdfs:label "Securities ; skos:notation "V "^^xsd:string ; skos:prefLabel "V Securities "V skos:broader ; [Financial Markets] skos:narrower,, [Bond Market] ; [Stock Market] skos:inScheme. Source: STW Thesaurus for EconomicsSTW Thesaurus for Economics Turtle representation of a systematics group of the STW Source:

24 a iso-thes:ConceptGroup ; rdfs:label "Securities ; skos:notation "V "^^xsd:string ; skos:prefLabel "Securities iso-thes:subGroup ; skos:member, skos:member ; skos:inScheme ; iso-thes:classificationOf. Turtle representation using iso-thes extensions

25 Systematics groups of the STW represented with iso-thes elements

26 Displays and user in interfaces

27 Source: Alibaba.comAlibaba.com Source: AGROVOC fertilizers (by type of plant nutrient) Calcium fertilizers Magnesium fertilizers (by number of plant nutrients) Compound fertilizers Fertilizer combinations (by substance group) Inorganic fertilizers Organic fertilizers Organomineral fertilizers (by aggregate state) Liquid fertilizers Liquid gas fertilizers (by nutrient release time) Slow release fertilizers

28 Descriptor display of German Parliament Thesaurus PARTHES Thesaurus für Parlamentsmaterialien PARTHES

29 Thesaurus für Parlamentsmaterialien PARTHES Systematic display of German Parliament Thesaurus PARTHES

30 Hierarchical display of German Parliament Thesaurus PARTHES Thesaurus für Parlamentsmaterialien PARTHES

31 Make things as simple as possible, but not simpler.


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