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| | Metadata: a current view of practice and issues |
 | | Data about how to extract information content, about provenance, use history, ownership, terms and conditions of use established by the creator, and so on, needs to be considered in the light of indefinite future use. |
 | | LDIF (the record used in LDAP, the Lightweight Directory Access Protocol) is in a similar position, lacking an agreed set of schema for resource description. |
 | | Data may be collected and served up in various environments, converted on the fly to appropriate formats: it may be collected by robot, added to a local 'catalogue', or pulled into a subject-based service. |
| www.ukoln.ac.uk /metadata/publications/jdmetadata (10997 words) |
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