OAI-PMH characteristics:
Typical Repository
bibliographic metadata in MARC
oai_marc
metadataPrefix
modification date of MARC record
2004-07-31
datestamp
    Record
modification date of DC record
2004-10-18
datestamp
bibliographic metadata in Dublin Core
oai_dc
metadataPrefix
    Record
Library of Congress Subject Heading
LCSH
set membership
DNS-based name of metadata about resource
OAI Identifier
identifier
Item
PDF, PS, XML, HTML or other file
URL
Resource
description
value
OAI-PMH Entity