Z39.50

ISO 23950
Z39.50 is an international standard client–server, application layer communications protocol for searching and retrieving information from a database over a TCP/IP computer network.wikipedia
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Reference management software

Bibliography managerReference managementcitation generator
Z39.50 is widely used in library environments, often incorporated into integrated library systems and personal bibliographic reference software.
These online libraries are usually based on Z39.50 public protocol.

National Information Standards Organization

NISO NISONational Information Standards Organization (NISO)
It is covered by ANSI/NISO standard Z39.50, and ISO standard 23950.

Bath Profile

An attempt to remedy the inconsistency is the Bath Profile (named after Bath, England, where the working group first met in 1999).
The Bath Profile is an international Z39.50 Specification for Library Applications and Resource Discovery.

Contextual Query Language

CQL
The Contextual Query Language (formerly called the Common Query Language) is based on Z39.50 semantics.
Based on the semantics of Z39.50, its design objective is that queries be human readable and writable, and that the language be intuitive while maintaining the expressiveness of more complex query languages.

Library of Congress

The Library of CongressUnited States Library of CongressU.S. Library of Congress
The standard's maintenance agency is the Library of Congress.
Areas of work include MARC standards, Metadata Encoding and Transmission Standard (METS), Metadata Object Description Schema (MODS), Z39.50 and Search/Retrieve Web Service (SRW), and Search/Retrieve via URL (SRU).

Wide area information server

WAISWide Area Information ServersWAIS Inc.
Wide Area Information Server (WAIS) is a client–server text searching system that uses the ANSI Standard Z39.50 Information Retrieval Service Definition and Protocol Specifications for Library Applications" (Z39.50:1988) to search index databases on remote computers. It was developed in the late 1980s as a project of Thinking Machines, Apple Computer, Dow Jones, and KPMG Peat Marwick.

Koha (software)

KohaKoha Integrated Library SystemKoha ILS
Koha is a web-based ILS, with a SQL database (MySQL preferred) backend with cataloguing data stored in MARC and accessible via Z39.50 or SRU.

Search/Retrieve Web Service

SRW
The successors to Z39.50 are the twin protocols SRU/SRW (Search/Retrieve via URL/Search/Retrieve Web service), which drop the Z39.50 communications protocol (replacing it with HTTP) while still attempting to preserve the benefits of the query syntax.
* Z39.50

International standard

international standardsstandardstandards
Z39.50 is an international standard client–server, application layer communications protocol for searching and retrieving information from a database over a TCP/IP computer network.

Client–server model

client–serverclient-serverclient/server
Z39.50 is an international standard client–server, application layer communications protocol for searching and retrieving information from a database over a TCP/IP computer network.

Application layer

Applicationapplication protocolapplication-layer
Z39.50 is an international standard client–server, application layer communications protocol for searching and retrieving information from a database over a TCP/IP computer network.

Communication protocol

protocolcommunications protocolprotocols
Z39.50 is an international standard client–server, application layer communications protocol for searching and retrieving information from a database over a TCP/IP computer network.

Database

database management systemdatabasesDBMS
Z39.50 is an international standard client–server, application layer communications protocol for searching and retrieving information from a database over a TCP/IP computer network.

Internet protocol suite

TCP/IPIP networkTCP/IP stack
Z39.50 is an international standard client–server, application layer communications protocol for searching and retrieving information from a database over a TCP/IP computer network.

Computer network

networkcomputer networkingnetworking
Z39.50 is an international standard client–server, application layer communications protocol for searching and retrieving information from a database over a TCP/IP computer network.

American National Standards Institute

ANSIAmerican Standards AssociationAmerican National Standard
It is covered by ANSI/NISO standard Z39.50, and ISO standard 23950.

Library

librariesreading roomreference library
Z39.50 is widely used in library environments, often incorporated into integrated library systems and personal bibliographic reference software.

Integrated library system

library automationLibrary computer systemlibrary management system
Z39.50 is widely used in library environments, often incorporated into integrated library systems and personal bibliographic reference software.

Interlibrary loan

interlibrary loansinter-library loandocument delivery
Interlibrary catalogue searches for interlibrary loan are often implemented with Z39.50 queries.

Bath, Somerset

BathBath, EnglandCity of Bath
An attempt to remedy the inconsistency is the Bath Profile (named after Bath, England, where the working group first met in 1999).

Working group

working groupsworking partygroup
An attempt to remedy the inconsistency is the Bath Profile (named after Bath, England, where the working group first met in 1999).

Library and Archives Canada

National Archives of CanadaNational Library of CanadaLibrary and Archives of Canada
The Bath Profile is maintained by Library and Archives Canada.

World Wide Web

WebWWWthe web
Z39.50 is a pre-Web technology, and various working groups are attempting to update it to fit better into the modern environment.