May 22, 2022

SRU (Search and Retrieve via URL) Approved as OASIS Standard, Successor to Z39.50

From an OCLC Research Announcement:

SRU (Search and Retrieve via URL) 2.0 has been approved as a standard by the Organization for the Advancement of Structured Information Standards (OASIS). SRU is the web-based successor to Z39.50.

Functionality supported by SRU includes defining a standard query grammar for complex interoperable searching, the ability to specify the format of the documents returned and the mime-type of the response. SRU includes a capability to allow client software to query the server for functionality, include a complex description of the databases being searched.

Read the Complete OCLC Research News Item

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About Gary Price

Gary Price ( is a librarian, writer, consultant, and frequent conference speaker based in the Washington D.C. metro area. Before launching INFOdocket, Price and Shirl Kennedy were the founders and senior editors at ResourceShelf and DocuTicker for 10 years. From 2006-2009 he was Director of Online Information Services at, and is currently a contributing editor at Search Engine Land.