http://www.w3.org/2004/02/skos/core#altLabel

used by 21:

• a-z-of-terms-dfe
• courts-thesaurus
• english-heritage-maritime-craft-thesaurus
• english-heritage-monument-types-thesaurus
• hellenic-fire-brigade
• hellenic-police
• iris2
• jel-classification
• lcsh
• lod2
• mesh_ipsv_skos_rdf
• msc
• nalt
• nvs
• radatana
• reference-data-gov-uk
• stitch-rameau
• thesaurus-bncf
• wals
• wals-temp
• ysa