MetadataAnalysis

LOM Fields Used

This data was extracted from the repositories of LACLO, ARIADNE and EUN (around 400.000 objects). It represent the percentage of those instances that have AT LEAST ONE value in the mentioned field. For example, if an instance have 2 titles (one in english and other in german) it just counted once.

Fields higher than 95% (good chance of being mandatory)

* General.Identifier * General.Title * General.Language * Technical.Location * Metametadata.Identifier * Metametadata.Contributor * Metametadata.Contributor (date, role, entity) * Rights.copyrightandotherrestrictions * Rights.description

Fields higher than 60% (good chance of being "recommended")

* General.Description * General.Keywords * Lifecycle.Contributor (date, entity) * Educational.Learningresourcetype * Metametadata.language * Rights.cost * Classification.taxon * Classification.purpose

Interesting to see that near 100% are basically Doublin Core - compatible.