1. Methods of Semantic Clarification (from Pennington, Databits, Spring 2006) DefinitionSynonymsClassification “is a” Propertiesother Keywords DictionaryX Controlled Vocabulary (X) ThesaurusXX Taxonomy(X)XX X OntologyXXXXX

2. Uses (from Pennington, Databits, Spring 2006) DiscoveryIntegrationWorking Analysis KeywordsX DictionaryX Controlled VocabularyX ThesaurusXX TaxonomyXX OntologyXXX

3. OBOE Discovery Data Integration SEEK Project (200x) Extensible Ontology for OBservations Semtools: Tools for Semantic Annotation 2009 - 2011 Semtools: Tools for Semantic Annotation 2009 - 2011

5. Demo in Protégé Entity, similar trees to CV “polytaxonomy” SBC extensions for – Entities – Measurements – Protocols

6. Observations and Context obsEntityMeasurement [characteristic, standard, protocol]Has context 1 Nitrate1. [amtSubstConc, microMolesPerLiter, my_protocol]obs4 2Ammonium1. [amtSubstConc, microMolesPerLiter, my_protocol]obs4 3Chlorophyll1. [amtSubstConc, microMolesPerLiter, my_protocol]obs4 4Sample1. [SampleId, rosette_bottle, SBC_naming_protocol]obs5 5Water1. [temperature, celsius, my_CTD_protocol] 2. [conductivity, milliseimensPerCm, my_CTD_protocol] 3. [salinity, PSU, my_CTD_protocol] obs6 6temporalPoint1. [dateTime, gregorianCalendar, __ ]obs7 7Station1. [Name, SBC_site_list, SBC_site_protocol] Dataset = knb-lter-sbc.10, entity = monthly_bottledata: http://sbc.lternet.edu/cgi-bin/showDataset.cgi?docid=knb-lter-sbc.10&displaymodule=entity&entitytype=dataTable&entityindex=2