z39.50

1 definition found

z39.50 - Free On-line Dictionary of Computing (26 May 2007) :

  ANSI Z39.50
  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)