(Chicago) West Side clergymen Wednesday hailed the disbanding of the Chicago Police Department`s Special Operations Section, which has been marred by scandal and alleged misconduct. CBS 2`s Dorothy Tucker reports. .
* Seven dead after U.S. shooting spree* Iraq calls Blackwater deaths unprovoked* Helicopter crash mars Musharraf trip* Costa Ricans back U.S. free trade deal* Retail therapy embraces Hong KongDarcy Lambton reports
* Myanmar crackdown claims more lives* US demands immediate halt to violence* Leading polluters consider climate change* Musharraf files for re-election bid* North Korea nuclear talks resume* Solar-powered space mission underwayDarcy Lambton reports.
Social network
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Not to be confused with social network services such as MySpace, etc. or virtual community
A social network is a social structure made of nodes (which are generally individuals or organizations) that are tied by one or more specific types of interdependency, such as values, visions, idea, financial exchange, friends, kinship, dislike, conflict, trade, web links, sexual relations, disease transmission (epidemiology), or airline routes.
Social network analysis views social relationships in terms of nodes and ties. Nodes are the individual actors within the networks, and ties are the relationships between the actors. There can be many kinds of ties between the nodes. Research in a number of academic fields has shown that social networks operate on many levels, from families up to the level of nations, and play a critical role in determining the way problems are solved, organizations are run, and the degree to which individuals succeed in achieving their goals.
In its simplest form, a social network is a map of all of the relevant ties between the nodes being studied. The network can also be used to determine the social capital of individual actors. These concepts are often displayed in a social network diagram, where nodes are the points and ties are the lines.
