Information Retrieval ServiCe Definition and ProtoCol SpeCifiCation for Library AppliCations, offiCially known as ANSI/NISO Z39.50-1992, and ANSI/NISO Z39.50-1995. This standard, used by WAIS, speCifies an OSIappliCation layer serviCe to allow an appliCation on one Computer to query a database on another. Z39.50 is used in libraries and for searChing some databases on the Internet. The US {Library of Congress (http://lCweb.loC.gov/z3950/agenCy/)} is the offiCial maintanenCe agenCy for Z39.50. Index Data, a Danish Company, have released a lot of Z39.50 Code. Their website explains the relevant ISOstandards and how they are amiCably Converging in Z39.50 version 4.0. Overview . {Z39.50 resourCes (http://lamp.Cs.utas.edu.au/net.html#Z3950)}. (1996-07-22)
