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An activity stream is a list of recent activities performed by an individual, typically on a single website. For example, Facebook's News Feed is an activity stream. Since the introduction of the News Feed on September 6, 2006,〔("Facebook Users Revolt, Facebook Replies" ). TechCrunch. Retrieved July 11, 2010.〕 other major websites have introduced similar implementations for their own users. Since the proliferation of activity streams on websites, there have been calls to standardize the format so that websites could interact with a stream provided by another website. The Activity Streams project, for example, is an effort to develop an activity stream protocol to syndicate activities across social Web applications.〔("Atom Activity Base Schema (Draft)" ). Activity Streams. Retrieved July 11, 2010.〕 Several major websites with activity stream implementations have already opened up their activity streams to developers to use, including Facebook and MySpace.〔〔 Though activity stream arises from social networking, nowadays it has become an essential part of business software. Enterprise social software is used in different types of companies to organize their internal communication and acts as an important addition to traditional corporate intranet. Such major collaboration software like Jive Software, Yammer, eXo Platform or Chatter offer activity stream as a separate product. At the same time other major software providers, such as tibbr, Central Desktop, Bitrix and Wrike offer activity stream as an integrated part of their collaboration software solution.〔http://www.tibbr.com/blog/tag/forrester-research/〕〔https://www.informationweek.com/thebrainyard/news/240000678/yammer-chatter-tibbr-ranked-top-social-activity-streams〕 ==Examples== * Facebook's News Feed〔("Facebook opens up 'activity stream' to external developers" ). ''Computer World''. Retrieved July 11, 2010.〕 * MySpace〔("MySpace Opens Activity Stream to External Developers" ). ''PC World''. Retrieved July 11, 2010.〕 * Salesforce.com's Chatter〔("Salesforce.com Heralds The Activity Stream - Chatter Comes out of Beta" ). ReadWriteWeb. June 22, 2010. Retrieved July 11, 2010.〕 * eXo Platform Open Source Activity Streams Software * Traction TeamPage Release 5.0 adds activity streams to Enterprise 2.0 social software platform〔("Traction TeamPage 5.0 Delivers Integrated Social Networking and Collaboration with New Generation Interface Technology" ) Company press release. June 15, 2010.〕 * Ektron CMS400.NET Release 8.0 adds activity streams to its social software suite〔("Release delivers eMarketing Suite and builds on CMS400.NET’s social software platform" ) Company press release. November 9, 2009.〕 * Trilog Group ProjExec 5.0 brings the Project Wall and Social Project Management to the IBM Platform〔("Another Social Business Award! Trilog Wins Second 2011 IBM Lotus Award" ) Company press release. January, 2011〕 * Foragr Activity Stream unifies Facebook likes, Twitter retweets, Disqus comments, IntenseDebate comments, and WordPress posts into one stream for those running on WordPress or other platforms〔("Foragr feature tour" ) Foragr feature tour. June 1, 2011.〕 * Collabinate - Hosted Activity Streams provides a service with an API for building activity streams into other software〔("What's the best manner of implementing a social activity stream?" ) Stack Overflow question response. October 14, 2008.〕〔("Activity Streams: What are the scaling issues to keep in mind while developing a social network feed?" ) Quora question response. March 25, 2010.〕 * GetStream - Activity Streams as a service Commercial service that provides hosted activity streams via HTTP APIs〔("What's the best manner of implementing a social activity stream?" ) Stack Overflow question response. October 14, 2008.〕〔("Activity Streams: What are the scaling issues to keep in mind while developing a social network feed?" ) Quora question response. March 25, 2010.〕〔("Stream Framework is a Python library, which allows you to build newsfeed and notification systems using Cassandra and/or Redis." ) Stream-Framework OpenSource library Readme. February 15, 2015.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「activity stream」の詳細全文を読む スポンサード リンク
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