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Encyclopedia > News aggregator

An aggregator or news aggregator is a type of software that retrieves syndicated Web content that is supplied in the form of a web feed (RSS, Atom and other XML formats), and that are published by weblogs, podcasts, vlogs, and mainstream mass media websites. Web syndication is a form of syndication in which a section of a website is made available for other sites to use. ... A web feed is an XML-based document which contains content items, often summaries of stories or weblog posts with web links to longer versions. ... RSS is a family of XML dialects for Web syndication used by (among other things) news websites and weblogs. ... Atom is an XML-based document format for the syndication of web content such as weblogs and news headlines, and an HTTP-based protocol for editing weblogs based on the format. ... The Extensible Markup Language (XML) is a W3C-recommended general-purpose markup language for creating special-purpose markup languages, capable of describing many different kinds of data. ... A weblog (now more commonly known as a blog) is a web-based publication consisting primarily of periodic articles (normally, but not always, in reverse chronological order). ... Podcasting is the distribution of audio or video files, such as radio programs or music videos, over the internet using RSS syndication for listening on mobile devices and personal computers. ... It has been suggested that this article or section be merged with vodcast. ... Mainstream is, generally, the common current of thought. ... Mass media is a term used to denote, as a class, that section of the media specifically conceived and designed to reach a very large audience (typically at least as large as the whole population of a nation state). ... The front page of the English Wikipedia Website. ...

Contents


What do aggregators do?

Aggregators reduce the time and effort needed to regularly check websites of interest for updates, creating a unique information space or "personal newspaper." An aggregator is able to subscribe to a feed, check for new content at user-determined intervals, and retrieve the content. The content is sometimes described as being "pulled" to the subscriber, as opposed to "pushed" with email or IM. Unlike recipients of some "pushed" information, the aggregator user can easily unsubscribe from a feed. E-mail, or email, is short for electronic mail and is a method of composing, sending, and receiving messages over electronic communication systems. ... A screenshot of PowWow, one of the first instant messengers with a graphical user interface Instant messaging is the act of instantly communicating between two or more people over a network such as the Internet. ...


Aggregator features are gradually being built into portal sites such as My Yahoo! and Google, Web browsers such as Mozilla Firefox, Safari, Opera, e-mail programs like Microsoft Outlook, and other applications, including Apple's iTunes, which serves as a podcast aggregator. It has been suggested that Yahoo! Photos be merged into this article or section. ... Google Inc. ... Mozilla Firefox is a free, cross-platform, graphical web browser developed by the Mozilla Corporation and hundreds of volunteers. ... Safari is a web browser developed by Apple Computer, Inc. ... Opera is an Internet suite developed by Opera Software, based in Oslo, Norway. ... Screenshot of Outlook 2003 Microsoft Outlook is a personal information manager from Microsoft, and is part of the Microsoft Office suite. ... iTunes is a proprietary digital media player application, developed by Apple Computer, for playing and organizing digital music and video files. ...


The aggregator provides a consolidated view of the content in a single browser display or desktop application. Such applications are also referred to as RSS readers, feed readers, feed aggregators or news readers, although in Internet communication, the latter term was first used for programs that read Usenet newsgroups. Usenet is a distributed Internet discussion system that evolved from a general purpose UUCP network of the same name. ...


A website may incorporate aggregator features by republishing syndicated content on one or more of its pages. Aggregator features also may be incorporated in other client software, including Web browsers, e-mail clients, weblog creation programs, or media player programs. Devices such as mobile phones or Tivo video recorders (already aggregating television programs) may incorporate XML aggregators. A weblog (now more commonly known as a blog) is a web-based publication consisting primarily of periodic articles (normally, but not always, in reverse chronological order). ... TiVo (pronounced, in IPA, ) is a popular brand of digital video recorder (DVR), a term synonymous with personal video recorder (PVR). ... The Extensible Markup Language (XML) is a W3C-recommended general-purpose markup language for creating special-purpose markup languages, capable of describing many different kinds of data. ...


The syndicated content an aggregator will retrieve and interpret is usually supplied in the form of RSS or other XML-based data, such as RDF or Atom formats. RSS is a family of XML dialects for Web syndication used by (among other things) news websites and weblogs. ... The Extensible Markup Language (XML) is a W3C-recommended general-purpose markup language for creating special-purpose markup languages, capable of describing many different kinds of data. ... Resource Description Framework (RDF) is a family of specifications for a metadata model that is often implemented as an application of XML. The RDF family of specifications is maintained by the World Wide Web Consortium (W3C). ... Atom is an XML-based document format for the syndication of web content such as weblogs and news headlines, and an HTTP-based protocol for editing weblogs based on the format. ...


Clouds

Some news aggregators have the ability to register to clouds, centralized folksonomic services that monitor and track many syndicated content sources online. An aggregator using a cloud will receive notifications from the cloud server only when there are updates, thus eliminating the need for periodic polling. This approach attempts to produce a more efficient use of bandwidth, though the overhead associated with registering a cloud can mean no net saving. It also introduces issues of scalability and a single point of failure among others. In the time since the cloud concept was introduced in 2000, very few sources have implemented it. Folksonomy, a portmanteau word combining folk and taxonomy, refers to the collaborative but unsophisticated way in which information is being categorized on the web. ... This article is about the year 2000. ...


Types of aggregators

Desktop

Desktop aggregators are software applications that are dedicated to the task of managing the subscriptions, monitoring and syndicated content of a user. Many aggregators display content in a window or list view similar to any email-program.


Other desktop aggregators have browser-based interfaces that look and operate like a Web-based aggregator, but are typically run on a local system and administered by the user. The interface may be served through an integrated HTTP server, that can be accessed from anywhere once the user's network is properly configured. The term web server can mean one of two things: A computer that is responsible for accepting HTTP requests from clients, which are known as web browsers, and serving them web pages, which are usually HTML documents. ...


Some desktop applications may have aggregator functionality in addition to their primary function, such as a web browser, email client, music player or weblog editor. Icons for Web browser shortcuts on an Apple computer (Safari, Internet Explorer, and Firefox). ... An email client (or mail user agent [MUA]) is a computer program that is used to read and send e-mail. ...


Web-based

An online aggregator is a website service offering aggregator functionality, typically hosted by a service provider or portal site. Feeds are checked for updates by the service, thus reducing the bandwidth that multiple desktop aggregators would consume polling feeds individually. Since they are remotely hosted, online aggregators are accessible from anywhere, but are only as reliable as the service provider. These aggregators can be free or commercial. Web-based aggregators of blogs which are related to some project or group are often called "planets", named after the program Planet used to generate them. A blog is a website in which items are posted on a regular basis and displayed in reverse chronological order. ... The introduction to this article provides insufficient context for those unfamiliar with the subject matter. ...


OEM/Meta news feeds

Providers of aggregation services to news portals and search engines (not necessarily direct to end users).


See also

To meet Wikipedias quality standards, this article or section may require cleanup. ...

External links

  • Linux and the news aggregators
  • RSS Reader Matrix
  • AggCompare - A community-edited comparison chart of RSS Aggregators

  Results from FactBites:
 
Aggregator - Wikipedia, the free encyclopedia (751 words)
An aggregator or news aggregator or feed reader is client software that uses a web feed to retrieve syndicated web content such as weblogs, podcasts, vlogs, and mainstream mass media websites, or in the case of a search aggregator, a customized set of search results.
Aggregators reduce the time and effort needed to regularly check websites for updates, creating a unique information space or "personal newspaper." Once subscribed to a feed, an aggregator is able to check for new content at user-determined intervals and retrieve the update.
One of the problems with news aggregators is that the volume of articles can sometimes be overwhelming, especially when the user has many feeds.
Wired News: Aggregators Attack Info Overload (862 words)
Many now say that their news aggregator is as indispensable as their e-mail client.
Aggregators, such as NewsGator and AmphetaDesk, allow users to subscribe to feeds from sources as diverse as the BBC, Sci-Fi Today, Slashdot and thousands of bloggers across the world.
For instance, the popular aggregator SharpReader, which runs on Microsoft's.NET framework, displays RSS feeds in a window similar to that of a standard e-mail client.
  More results at FactBites »


 

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