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Social Networks Top Facts

Social networking service
A social networking service is an online service, platform, or site that focuses on facilitating the building of social networks or social relations among people who, for example, share interests, activities, backgrounds, or real-life connections. A social network service consists of a representation of each user (often a profile), his/her social links, and a variety of additional services.
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Social network
A social network is a social structure made up of a set of actors (such as individuals or organizations) and the dyadic ties between these actors. The social network perspective provides a clear way of analyzing the structure of whole social entities. The study of these structures uses methods of social network analysis to identify local and global patterns, locate influential entities, and examine network dynamics.
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Social network analysis
Social network analysis (SNA) is the methodical analysis of social networks. Social network analysis views social relationships in terms of network theory consisting of nodes (representing individual actors within the network) and connections or links (which represent relationships between the individuals, such as friendship, kinship, organizational position, sexual relationships, etc.
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List of social networking websites
This is a list of major active social networking websites and excludes dating websites. For defunct social networking websites, see List of defunct social networking websites. Please note the list is not exhaustive, and is limited to notable, well-known sites. Contents A B C D E F G H I J K L M N O P Q R S T U V W X Y Z    References 
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Mobile social network
Mobile social networking is social networking where individuals with similar interests converse and connect with one another through their mobile phone and/or tablet. Much like web-based social networking, mobile social networking occurs in virtual communities. A current trend for social networking websites, such as Facebook, is to create mobile apps to give their users instant and real-time access from their device.
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Social network aggregation
Social network aggregation is the process of collecting content from multiple social network services, such as MySpace or Facebook. The task is often performed by a social network aggregator, which pulls together information into a single location, or helps a user consolidate multiple social networking profiles into one profile.
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Unauthorized access in online social networks
Unauthorized access in online social networks, i.e. , events when user data in social networks such as Facebook, Twitter or LinkedIn are accessed and updated without user’s permission, can take different forms. One research highlighted that the most common incidents included inappropriate comments posted on social networking sites (43%), messages sent to contacts that were never authored (25%) and change of personal details (24%).
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Semantic Social Network
A semantic social network is the result of the application of Semantic Web technologies to social networks and online social media.
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