thesauri and controlled vocabularies
DESCRIPTION
Thesauri and Controlled Vocabularies. Why use Valid input Data search Data integration Definitions, uses, controlled vocabularies, thesauri, ontologies examples taxonomic (EOL, ITIS, USDA plants, etc.) spatial gazetteer (Alexandria, USGS GNIS, date time format (time zone) - PowerPoint PPT PresentationTRANSCRIPT
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LTER Information ManagementTraining Materials
LTERInformationManagersCommittee
Thesauri and Controlled Vocabularies
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Outline Why use
Valid input Data search Data integration
Definitions, uses, controlled vocabularies, thesauri, ontologies examples taxonomic (EOL, ITIS, USDA plants, etc.) spatial gazetteer (Alexandria, USGS GNIS, date time format (time zone) NBII, LTER, KNB, SWEET
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Why use Data quality and consistency
project determined pulldown, autocomplete
Name CountMyrica cerifera 4Myr. Cer. 3M.c. 5Myrica 2
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Why use Globally unique identifier
taxonomic name resolution name changes, synonyms, taxnomic
concept spatial name resolutionITIS Code Name Taxonomic
Status19261 Myrica cerifera synonym
507899 Morella cerifera accepted
510634 Cerothamnus cerifera synonym
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Definitions
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Taxonomic Authorities
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Taxonomic Authorities
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Taxonomic Authorities
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Taxonomic Authorities
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How to Use Search website for names Download database and integrate Automate with webservice access
http://www.itis.gov/ITISWebService/services/ITISService/searchByScientificName?srchKey=Myrica cerifera
http://www.itis.gov/ITISWebService/services/ITISService/searchByCommonName?srchKey=wax myrtle
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How to Use
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Geographic Gazetteers
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Geographic Gazetteers
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How to Use Search website for names Download database and integrate Automate with webservice access
http://api.geonames.org/search?q=london&maxRows=10&style=LONG&lang=es&username=demo
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How to Use
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Date and Time Format Standard format
e.g. 02/04/03
• 2nd of April 2003 (European style)
• 4th of February 2003 (USA style)
• 3rd of April 2002
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Date and Time Format ISO 8601: YYYY-MM-DDThh:mm:ss(UTC)
2002-04-03T23:59:59(UTC) 2002-04-03T18:59:59(UTC-5)
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Keywords Project controlled vocabulary e.g. LTER, KNB
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Controlled Vocabularies LTER Metadata contained 2,711 distinct
keywords with only 86 (3.2 %) used by 5 or more sites