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About This Item


Full Description

Now in version 3, Z39.50 defines a standard way for two computers to communicate and share information. Designed to support searching and information retrieval - full-text documents, bibliographic data, images and multimedia - this standard is based on client-server architecture and is fully operational over the Internet. Specifies access control, resource control, extended services, and a "help" facility and addresses communication between the client and server.

Document History

  1. NISO Z39.50-2003 (S2014)

    Information Retrieval : Application Service Definition and Protocol Specification

    • Most Recent
  2. NISO Z39.50-1995


    Information Retrieval : Application Service Definition & Protocol Specification, Z39.50-1995

    • Historical Version