{"id":1816,"date":"2008-01-26T18:49:00","date_gmt":"2008-01-26T18:49:00","guid":{"rendered":"http:\/\/www.leobard.net\/blog\/?p=1816"},"modified":"2017-11-04T15:47:36","modified_gmt":"2017-11-04T15:47:36","slug":"google-data-api-and-gdata","status":"publish","type":"post","link":"https:\/\/www.leobard.net\/blog\/2008\/01\/26\/google-data-api-and-gdata\/","title":{"rendered":"Google Data API and GData"},"content":{"rendered":"<p><i>Since 2006, google collects API programming interfaces in the <b>Google Data (gdata)<\/b> project. At their website, you find links to google docs, calendar, spreadsheet, youtube, and more.<\/i><\/p>\n<p><a href=\"http:\/\/code.google.com\/apis\/gdata\/\">http:\/\/code.google.com\/apis\/gdata\/<\/a><\/p>\n<p>It is a one-stop place to find interfaces for the various google services. For Semantic Web developers, it is also a good overview how google shapes its interfaces to its web-based applications. Get inspired by the pros.<\/p>\n<p>Especially the GData protocol and data format is worth a look. It&#8217;s a generic API for getting and querying data, based on RSS 2.0 and Atom.<br \/>\nIn the <a href=\"http:\/\/code.google.com\/apis\/gdata\/reference.html\">GData reference<\/a>, you find a description of the Atom extensions and a simple query-format extending it.<\/p>\n<p>Assuming a  feed is hosted at the URI <a href=\"http:\/\/www.example.com\/feeds\/jo\">http:\/\/www.example.com\/feeds\/jo<\/a>, then elements within the feed can be queried with the following URI:<\/p>\n<p><a href=\"http:\/\/www.example.com\/feeds\/jo?q=Darcy&amp;updated-min=2005-04-19T15:30:00\">http:\/\/www.example.com\/feeds\/jo?q=Darcy&amp;updated-min=2005-04-19T15:30:00<\/a><\/p>\n<p>A kind of &#8220;easy going sparql&#8221;.<\/p>\n<p>In their own words:<br \/>\n<cite>The Google data APIs provide a simple standard protocol for reading and writing data on the web.<\/p>\n<p>These APIs use either of two standard XML-based syndication formats: Atom or RSS. They also have a feed-publishing system that consists of the Atom publishing protocol plus some extensions (using Atom&#8217;s standard extension model) for handling queries.<\/p>\n<p>Many Google services support the Google data API protocol.<\/cite><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Since 2006, google collects API programming interfaces in the Google Data (gdata) project. At their website, you find links to google docs, calendar, spreadsheet, youtube, and more. http:\/\/code.google.com\/apis\/gdata\/ It is a one-stop place to find interfaces for the various google services. For Semantic Web developers, it is also a good overview how google shapes its &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.leobard.net\/blog\/2008\/01\/26\/google-data-api-and-gdata\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Google Data API and GData&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bluesky_dont_syndicate":"","_bluesky_syndication_accounts":"","_bluesky_syndication_text":"","activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":3,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":""},"categories":[5],"tags":[],"class_list":["post-1816","post","type-post","status-publish","format-standard","hentry","category-semweb"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Google Data API and GData - Leobard&#039;s blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.leobard.net\/blog\/2008\/01\/26\/google-data-api-and-gdata\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Google Data API and GData - Leobard&#039;s blog\" \/>\n<meta property=\"og:description\" content=\"Since 2006, google collects API programming interfaces in the Google Data (gdata) project. At their website, you find links to google docs, calendar, spreadsheet, youtube, and more. http:\/\/code.google.com\/apis\/gdata\/ It is a one-stop place to find interfaces for the various google services. 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