What: Yaz
 Where: http://www.indexdata.com/yaz
	http://lamp.cs.utas.edu.au/net.html
	ftp://ftp.algonet.se/pub/index/yaz/ir-tcl-1.0.tar.gz
	ftp://ftp.funet.fi/pub/doc/library/z3950/yaz/
 Description: A compact toolkit that provides access to the Z39.50/SR
	protocol, as well as a set of higher-level tools for implementing
	the server and client roles.  Provides interfaces to ASN, ODR
	and COMSTACK.  IrTcl is a Tcl 7.[34] interface to yaz.
 Updated: 04/2002
 Contact: mailto:info@index.ping.dk (Index Data)

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[Z39.50] is a [IETF] defined protocol for communicating with search
engines.  Not all engines support this protocol...

Z39.50 is an ANSI/NISO Standard. There are some RFC's for Z39.50 though... (one example ftp://ftp.rfc-editor.org/in-notes/rfc1729.txt).

Z39.50 is widely used for library catalogue interfaces. [Michael Schlenker] 

'''[[EE]]''': What is NISO?

[Nicolas Boretos] NISO, http://www.niso.org, the National Information Standards Organization, a non-profit association accredited by the American National Standards Institute (ANSI), identifies, develops, maintains, and publishes technical standards to manage information in our changing and ever-more digital environment. NISO standards apply both traditional and new technologies to the full range of information-related needs, including retrieval, re-purposing, storage, metadata, and preservation. 

Yaz/Irtcl is(waz) the underlying technology of Europagate, an httpd/z39.50 gateway that, along with Isite/Isearch, "web enabled" most of the worlds Library catalogues.
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