The Aggregation reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Aggregation

In economics, aggregation is any attempt to bypass information asymmetry by systematically amassing information about prices and other features of goods on the market. Shop bots are a commercial example of aggregation in action.

In biology the term is applied to fish, birds and insects and describes a gathering of animals of the same size and body orientation, often cruising in the same direction. See schooling.

In object-oriented programming, aggregation is a special form of association.

In television broadcasting, aggregation is the merging of several license areas into a single area, allowing competition between broadcasters.

See also traffic aggregation in telecommunications.

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