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An aggregator (to latin aggregare "accepting" or to "accumulate") is a software or a service provider , the ( digital ) media content ( English content ) accumulated, processed and if necessary finally categorized. Examples of content are digitally (ized) films, photos , music, news and reviews . The preparation and compilation can be either mechanically by means of certain algorithms or else manually by editors done.

The main idea behind such an aggregation is often to save the reader time.

Techniques for aggregation

Content is often collected using web feeds in RSS , Atom or web crawlers . The content obtained is examined and processed in a wide variety of ways for the purpose of processing, e.g. B. by comparing repetitive word sequences from various media sources.

The Outline Processor Markup Language is an example of the software side .

News aggregators

Well-known aggregators for news in the service sector include Google News and Yahoo News . Also, Twitter can be used as an aggregator. Examples of blog aggregators are Rivva and Bloglines .


As a service provider, the aggregator acts as an interface between rights holders and customers by licensing content and passing it on (for a fee) or by packaging existing offers from platform operators. The aggregator then makes these packets available, e.g. B. Pay TV packages for network operators and telecommunications companies or (audio) visual recordings for digital retailers. A typical example is the commercial relationship between the aggregator Zebralution and the retailer Apple iTunes . The prepared or packaged content is usually offered for a fee via trading platforms or other content platforms. Common digital music distribution platforms that act as music aggregators are e.g. B. the providers recordJet , Spinnup , or the provider The Orchard .

Review aggregators

There are various aggregators, especially on the Internet, that collect, evaluate and merge reviews published by various sources. In this way, among other things, meaningful leaderboards / rankings are created .

One of the best-known aggregators of this type is the English-language website Rotten Tomatoes , which brings together film reviews and averages the numerical ratings that are made according to the respective rating systems. These in turn are categorized according to their own system and assigned to different tomato symbols.

Other aggregators create rankings from the reviews of various restaurant guides. Examples of this are the Hornstein ranking or the restaurant ranking lists in German-speaking countries .

See also

Web links

Wiktionary: Aggregator  - explanations of meanings, word origins, synonyms, translations

Individual evidence

  1. aggregator . Duden ; accessed on October 30, 2015