Z39.50
- Z39.50
- ANSI/NISO Z39.50-1995; ISO 23950:1998
- search and retrieve
- cross-searching of remote databases
- profiling to meet specific community/application needs
- vendor implementation variations
- Bath Profile
- designed to improve interoperability between library & cross-domain applications
- minimise use of defaults
- more accurate, precise searches
- cross-domain: unqualified DC in XML (XML DTD)