ANSI Z39.50 definition 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
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.
Z39.50 resources (http://lamp.cs.utas.edu.au/net.html#Z3950).