Ansi z39.50
ansi z39.50
networking, standard
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 osi application 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 iso standards and how they are amicably converging in z39.50 version 4.0.
overview (http://nlc-bnc.ca/ifla/vi/5/op/udtop3.htm).
z39.50 resources (http://lamp.cs.utas.edu.au/net.html#z3950).
(1996-07-22)
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