1-2 of about 2 matches for site:pbcore.org fairly standard
http://pbcore.org/faqs
Frequently Asked Questions | PBCore Metadata Standard Ver en Español About What is PBCore? FAQs Glossary Credits Schema Elements Attributes Controlled Vocabularies
http://pbcore.org/pbcore-users
PBCore Case Studies | PBCore Metadata Standard Ver en Español About What is PBCore? FAQs Glossary Credits Schema Elements Attributes Controlled Vocabularies