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GData provides a simple standard protocol for reading and writing data on the Internet, designed by Google. GData combines common XML-based syndication formats (Atom and RSS) with a feed-publishing system based on the Atom Publishing Protocol, plus some extensions for handling queries.

External links

GData
Learning from THE WEB by Adam Bosworth - the vision behind GData

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 '''GData''' provides a simple standard protocol for reading and writing data on the [[Internet]], designed by [[Google]]. GData combines common [[XML]]-based syndication formats ([[Atom (standard)|Atom]] and [[RSS (file format)|RSS]]) with a feed-publishing system based on the [[Atom Publishing Protocol]], plus some extensions for handling queries.
-GData is a new protocol based on the Atom 1.0 and RSS 2.0 syndication formats, plus the Atom Publishing Protocol.
-GData extends those standards in various ways, using the extension mechanisms built into the standards. A GData feed conforms to either the Atom or RSS syndication formats. The GData publishing model conforms to the Atom Publishing Protocol.
-To acquire information from a service that supports GData, you send an HTTP GET request; the service returns results as an Atom or RSS feed.
-You can update data (where supported by a particular GData service) by sending an HTTP PUT request.
-All sorts of services can provide GData feeds, from public services like blog feeds or news syndication feeds to personalized data like email or calendar events or task-list items. The RSS and Atom models are extensible, so each feed provider can define its own extensions and semantics as desired while still conforming to the standards. A feed provider can provide read-only feeds (such as a search-results feed) or read/write feeds (such as a calendar application).
-For example, a blogging application might provide a feed for each blog, and a comment feed for each blog entry. A calendar application might allow you to send full-text search queries using the GData protocol, and return results in the GData syndication format.
-Because GData is built on basic technologies—HTTP and standard syndication models—you can send GData requests and process the resulting feeds in a variety of ways: traditional syndication aggregators/feed readers, JavaScript/AJAX-based clients in a web browser, standalone applications, or any other approach you like. The GData protocol is programming-language-neutral; you can write a client in any programming language that lets you issue HTTP requests and parse XML-based responses.
-Creating and deleting a feed is left up to the service; the GData protocol does not provide ways to create or delete a feed.
-For more information about these features, see the protocol reference document.
 ==External links==
-*[http://code.google.com/apis/gdata/index.html GData]
+* [http://code.google.com/apis/gdata/index.html GData]
-*[http://acmqueue.com/modules.php?name=Content&pa=showpage&pid=337&page=1 An old article, by Adam Bosworth, that gives the vision behind GData]
+* [http://acmqueue.com/modules.php?name=Content&pa=showpage&pid=337&page=1 Learning from THE WEB by Adam Bosworth] - the vision behind GData
 [[Category:Google]]