Introduction to
Controlled Vocabularies
(Term Lists)
Controlled Vocabularies
What: list of terms to choose from
Aim: easier to transfer data
Where: Data Guidelines and Discovery Metadata Standard
Vocabularies are available directly
or
‘served’ using the NERC Vocabulary Server (SeaDataNet)
Example – Platform types
Website
http://vocab.ndg.nerc.ac.uk/client/vocabServer.jsp
NERC Vocab Service:
http://seadatanet.maris2.nl/v_bodc_vocab_v2/welcome.asp
Units, Instruments, platforms, sea areas etc
SeaDataNet
http://seadatanet.maris2.nl/v_bodc_vocab_v2/vocab_relations.asp?lib=P08
SeaDataNet - KeywordsParameter relationships and discovery
Other Useful Controlled Vocabularies
http://www.epsg.org/
http://www.marinespecies.org/msbias/index.php
http://www.ices.dk/datacentre/reco/
How to add?
E-mail Clare Postlethwaite [email protected] – check with appropriate governance group.
Practical
Aim – to familiarise yourself with different controlled vocabularies
1)Find the MEDIN webpage for controlled vocabularies
2)Find:
a) Area code for the Irish Sea (use SeaDataNet)
b) The AphiaID for UK species Mytilus edulis (Common mussel) (use MSBIAS)
c) Code for the horizontal coordinate reference system WGS 84 (use EPSG)
d) The entrykey, vocabulary name and associated date for a Keyword for “Man-made Structure”
a)1_4 (using SeaVoX gazeteer)
[or 19 using SeaDataNet sea areas]
b)140480
c) EPSG: 4326
d) MMST
SeaDataNet Parameter Discovery Vocabulary
date last modified 2008-01-30